Title: The Initial Mass Function Based on the Full-sky 20-pc Census of ~3,600 Stars and Brown Dwarfs Authors: Kirkpatrick J.D., Marocco F., Gelino C.R., Raghu Y., Faherty J.K., Bardalez Gagliuffi D.C., Schurr S.D., Apps K., Schneider A.C., Meisner A.M., Kuchner M.J., Caselden D., Smart R.L., Casewell S.L., Raddi R., Kesseli A., Andersen N.S., Antonini E., Beaulieu P., Bickle T.P., Bilsing M., Chieng R., Colin G., Deen S., Dereveanco A., Doll K., Luca H.A.D., Frazer A., Gantier J.M., Gramaize L., Grant K., Hamlet L.K., Higashimura H., Hyogo M., Jalowiczor P.A., Jonkeren A., Kabatnik M., Kiwy F., Martin D.W., Michaels M.N., Pendrill W., Pessanha Machado C., Pumphrey B., Rothermich A., Russwurm R., Sainio A., Sanchez J., Sapelkin-Tambling F.T., Schumann J., Selg-Mann K., Singh H., Stenner A., Sun G., Tanner C., Thevenot M., Ventura M., Voloshin N.V., Walla J., Wedracki Z., Adorno J.I., Aganze C., Allers K.N., Brooks H., Burgasser A.J., Calamari E., Connor T., Costa E., Eisenhardt P.R., Gagne J., Gerasimov R., Gonzales E.C., Hsu C., Kiman R., Li G., Low R., Mamajek E., Pantoja B.M., Popinchalk M., Rees J.M., Stern D., Suarez G., Theissen C., Tsai C.-W., Vos J.M., Zurek D., The Backyard Worlds: Planet 9 Collaboration Table: Potentially New M, L, T, and Y Dwarf Members of the 20-pc Census ================================================================================ Byte-by-byte Description of file: apjsad24e2t2_mrt.txt -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 27 A27 --- Name Object's discovery designation with J2000 coordinates 29- 43 A15 --- DiscoveryRef Discovery reference (1) 45- 48 F4.1 --- SpOp ?="" Optical spectral type (2) 50- 53 F4.1 --- SpIR ?="" Near-infrared spectral type (2) 55- 56 A2 --- SpRf Reference for the spectral type (3) 58- 62 F5.2 mag G ?="" G-band magnitude from Gaia DR3 64- 68 F5.2 mag G_RP ?="" G_{RP}-band magnitude from Gaia DR3 70- 75 F6.3 mag W1 ?="" W1 magnitude from the WISE catalog indicated by the object designation (4) 77- 81 F5.3 mag W1err ?="" Uncertainty in W1 83- 88 F6.3 mag W2 ?="" W2 magnitude from the WISE catalog indicated by the object designation 90- 94 F5.3 mag W2err ?="" Uncertainty in W2 96-101 F6.3 mag ch1 ?="" Spitzer/IRAC ch1 magnitude 103-107 F5.3 mag ch1err ?="" Uncertainty in ch1 109-114 F6.3 mag ch2 ?="" Spitzer/IRAC ch2 magnitude 116-120 F5.3 mag ch2err ?="" Uncertainty in ch2 122-122 A1 --- S Reference for the Spitzer photometry (5) 124-128 F5.2 mag JMKO ?="" J-band magnitude on the Mauna Kea Observatories filter system (6) 130-133 F4.2 mag Jerr ?="" Uncertainty in JMKO 135-139 F5.2 mag H ?="" H-band magnitude on either the Mauna Kea Observatories or 2MASS filter system 141-144 F4.2 mag Herr ?="" Uncertainty in H 146-147 A2 --- Ph Reference for J and H photometry (7) 149-159 A11 --- DateObs UT date of observation for any JMKO or H values reported for the first time in this paper 161-168 F8.5 arcsec.yr-1 pmra ?="" Proper motion in Right Ascension from CatWISE2020 170-175 F6.4 arcsec.yr-1 pmrerr ?="" Uncertainty in pmra 177-184 F8.5 arcsec.yr-1 pmdec ?="" Proper motion in Declination from CatWISE2020 186-191 F6.4 arcsec.yr-1 pmderr ?="" Uncertainty in pmdec 193-198 F6.1 mas.yr-1 pmtot ?="" Total proper motion 200-204 F5.1 mas.yr-1 pmerr ?="" Uncertainty in pmtot 206-210 F5.1 --- pmsg ?="" Significance of the CatWISE2020 proper motion measurement (pmtot/pmerr) 212-212 A1 --- l_d_J Limit flag on d_J 214-218 F5.2 pc d_J ?="" Distance estimate based on the M_J vs J-W2 relation 220-224 F5.2 pc d_H ?="" Distance estimate based on the M_H vs spectral type relation 226-230 F5.2 pc d_ch2 ?="" Distance estimate based on the M_{ch2} vs ch1-ch2 relation 232-232 A1 --- l_d_W2 Limit flag on d_W2 234-238 F5.2 pc d_W2 ?="" Distance estimate based on the M_{W2} vs W1-W2 relation 240-244 F5.2 pc d_G ?="" Distance estimate based on the M_G vs G-J relation 246-250 F5.2 pc d_GRP ?="" Distance estimate based on the M_{GRP} vs G_{RP}-J relation 252-252 A1 --- l_d_adp Limit flag on d_adp 253-257 F5.1 pc d_adp ?="" Adopted distance 259-259 I1 --- M Method used to determine d_adp (8) 261-263 A3 --- Res Result (9) 265-265 A1 --- l_JW2 Limit flag on JW2 267-270 F4.2 mag JW2 ?="" J-W2 color 272-276 F5.2 mag ch12 ?="" ch1-ch2 color 278-278 A1 --- l_W12 Limit flag on W12 279-283 F5.2 mag W12 ?="" W1-W2 color 285-288 F4.2 mag GJ ?="" G-J color 290-293 F4.2 mag GRPJ ?="" G_{RP}-J color 295-295 A1 --- l_SpW Limit flag on SpW 297-300 F4.1 --- SpW ?="" Spectral type suggested by the W1-W2 color 302-305 F4.1 --- SpS ?="" Spectral type suggested by the ch1-ch2 color 307-307 A1 --- l_SpJW Limit flag on SpJW 309-312 F4.1 --- SpJW ?="" Spectral type suggested by the J-W2 color 314-450 A137 --- Note Additional notes for this object -------------------------------------------------------------------------------- Note (1): Alphabetic characters refer to discoveries in this paper by Backyard Worlds citizen scientists, and numeric characters refer to published literature references. Both an alphabetic and a numeric code are listed in cases for which a citizen scientist re-discovered a published object that we felt required a fresh look. The codes are as follows: A = Nikolaj Stevnbak Andersen; B = Paul Beaulieu; C = Guillaume Colin; D = Dan Caselden; E = Andres Stenner; F = Guoyou Sun; G = Sam Goodman; H = Leslie K. Hamlet; I = Nikita V. Voloshin; J = J\"org Sch\"umann; K = Martin Kabatnik; L = L\'eopold Gramaize; M = David W. Martin; N = Karl Selg-Mann; O = Frank Kiwy; P = William Pendrill; Q = Tom Bickle; R = Austin Rothermich; S = Arttu Sainio; T = Melina Th\'evenot; U = Alexandru Dereveanco; V = Christopher Tanner; W = Jim Walla; X = Alexander Jonkeren; Y = Benjamin Pumphrey; Z = Zbigniew W{\k e}dracki; a = Hiro Higashimura; b = John Sanchez; c = Martin Bilsing; 1 = Meisner et al. (2020a) [2020ApJ...889...74M]; 2 = Meisner et al. (2020b) [2020ApJ...899..123M]; 3 = Schneider et al. (2016) [2016ApJ...817..112S]; 4 = Schneider et al. (2017) [2017AJ....153..196S]; 5 = Schneider et al. (2020) [2020ApJ...898...77S]; 6 = Schneider et al. (2021) [2021ApJ...921..140S]; 7 = Schneider et al. (2022) [2022AJ....163..242S]; 8 = Zhang et al. (2019) [2019MNRAS.486.1260Z]; 9 = Kellogg et al. (2017) [2017AJ....154..112K]; 10 = Best et al. (2020) [2020AJ....159..257B]; 11 = Martin et al. (2018) [2018ApJ...867..109M]; 12 = Kirkpatrick et al. (2021a) [2021ApJS..253....7K]; 13 = Faherty et al. (2020) [2020ApJ...889..176F]; 14 = Bardalez Gagliuffi et al. (2020) [2020ApJ...895..145B]; 15 = Luhman (2014) [2014ApJ...781....4L]; 16 = Kota et al. (2022) [2022AJ....163..116K]; 17 = Schapera et al. (2022) [2022RNAAS...6..189S]; 18 = Humphreys et al. (2023) [2023RNAAS...7..184H]; 19 = Rothermich et al. (2024, submitted); 20 = Skrzypek et al. (2016) [2016A&A...589A..49S]. Note (2): Numeric spectral type codes are -5.0=M5, 0.0=L0, 5.0=L5, 10.0=T0, 15.0=T5, 20.0=Y0, etc. Note (3): The first character is for the optical type and second character for the near-infrared type, as follows: A = Schneider et al. (2017) [2017AJ....153..196S]; E = Martin et al. (2018) [2018ApJ...867..109M]; F = Faherty et al. (2020) [2020ApJ...889..176F]; H = Humphreys et al. (2023) [2023RNAAS...7..184H]; I = Kirkpatrick et al. (2021a) [2021ApJS..253....7K]; J = Kirkpatrick et al. (2016) [2016ApJS..224...36K]; K = this paper; L = Kellogg et al. (2017) [2017AJ....154..112K]; M = Meisner et al. (2020b) [2020ApJ...899..123M]; R = Rothermich et al. (2024, submitted); S = Schapera et al. (2022) [2022RNAAS...6..189S]; X = Schneider et al. (2020) [2020ApJ...898...77S]; Y = Schneider et al. (2022) [2022AJ....163..242S]; Z = Zhang et al. (2019) [2019MNRAS.486.1260Z]. Note (4): Values lacking uncertainties are 2{sigma} brightness upper limits. Note (5): Codes for references for the Spitzer photometry are as follows: a = Meisner et al. (2020a) [2020ApJ...889...74M]; b = Meisner et al. (2020b) [2020ApJ...899..123M]; K = This paper. Note (6): Values lacking uncertainties are 5{sigma} brightness upper limits. Note (7): Two-character code for the reference to JMKO and H, respectively. Note that H-band magnitudes are generally included only for sources with measured spectral types. Codes are as follows: 2 = 2MASS All-Sky Point Source Catalog; G = Gemini/FLAMINGOS-2 (this paper); K = Keck/MOSFIRE (this paper); P = Palomar/WIRC (this paper); S = Schneider et al. (2021) [2021ApJ...921..140S]; U = UHS; u = ULAS or UGPS; V = VHS; v = VVV; Z = VVV photometry from Schapera et al. (2022) [2022RNAAS...6..189S]. Note (8): Codes for the method used to determine d_adp are as follows: 1 = The average of d_J, d_H, d_ch2 is used; 2 = d_W2 alone is used; 3 = d_G alone is used; 4 = d_GRP alone is used; 5 = The distance is determined from the Gaia DR3 parallax; 6 = See Note for details. Note (9): Result codes are as follows: in = Object assumed to be located within 20 pc of the Sun and included in the 20-pc census; out = Object assumed to be located beyond 20 pc and not included in the 20-pc census. -------------------------------------------------------------------------------- CWISE J000229.93+635217.0 2 -- 18.208 0.214 15.733 0.052 17.349 0.246 15.690 0.055 b 18.67 0.01 P- 2021-Aug-10 0.81594 0.0630 0.09881 0.0584 821.9 85.9 9.6 27.95 28.85 28.0 1 out 2.94 1.66 2.47 17.5 17.6 CWISE J000844.33+012726.8 20,8 16.5 -Z 16.707 0.043 14.831 0.027 - 16.99 0.02 17.40 0.06 uu - -0.03458 0.0300 -0.42776 0.0312 429.2 43.3 9.9 22.29 23.92 22.3 1 out 2.16 1.88 16.2 CWISE J001322.53-114300.7 9,10 13.0 -L 15.585 0.023 14.356 0.020 14.837 0.007 14.276 0.011 K 15.68 0.11 -2 - 0.24712 0.0162 -0.04772 0.0157 251.7 22.6 11.2 20.82 24.68 23.56 22.8 1 out 0.56 1.23 14.2 13.4 CWISE J001504.00+475411.6 R,W,S,G,Q,L -- 18.288 0.144 15.497 0.036 - 18.90 0.03 P- 2020-Jul-03 0.01312 0.0457 -0.29211 0.0461 292.4 64.9 4.5 22.60 22.6 2 out 3.40 2.79 18.2 CWISER J003350.99+434010.6 G 2.0 K- 19.32 17.74 10.591 0.016 10.507 0.014 - 14.35 0.01 U- - 0.72695 0.0077 -0.05961 0.0075 729.4 10.7 67.9 20.56 25.58 24.3 5 out 3.84 0.08 4.97 3.39 CWISE J003507.81-153233.5 1 -- 18.167 0.140 15.340 0.038 17.111 0.065 15.228 0.020 a 19.13 0.03 19.05 0.16 PP 2018-Sep-01 -0.04891 0.0496 -0.61298 0.0552 614.9 74.2 8.3 19.92 20.69 19.9 1 in 3.79 1.88 2.83 18.3 18.1 CWISE J003915.40+360938.8 1 -- 19.759 16.310 0.075 18.191 0.102 15.982 0.021 a 19.83 0.01 K- 2021-Aug-27 -0.17040 0.1134 -0.22728 0.1307 284.1 173.0 1.6 22.89 < 23.94 22.9 1 out 3.52 2.21 > 3.45 > 19.3 19.1 proper motion confirmation needed CWISE J005411.45-145140.9 D,G,K -- 15.288 0.075 14.409 0.057 - -- - 0.13579 0.0165 -0.04329 0.0157 142.5 22.8 6.3 26.5 6 out 0.88 12.1 W1-W2 suggests a phototype of ~T2 --> distance of 26.5 pc CWISE J010055.31-511002.1 D -- 20.61 18.63 12.825 0.016 12.530 0.016 - 15.03 0.01 V- - -0.05347 0.0047 -0.09054 0.0043 105.2 6.4 16.5 26.95 43.3 5 out 2.50 0.29 5.58 3.60 CWISE J010650.59+225158.7 1 -- 17.505 0.081 15.087 0.032 16.490 0.035 15.135 0.020 a 17.41 0.03 U- - -0.18070 0.0363 -0.38581 0.0371 426.0 51.9 8.2 25.29 21.93 25.3 1 out 2.32 1.35 2.42 17.4 16.9 CWISE J011831.62+212750.9 S,G,I,D,Q -- 17.536 0.091 15.283 0.039 - 18.15 0.06 U- - 0.06374 0.0417 -0.31413 0.0440 320.5 60.6 5.3 25.63 25.6 2 out 2.87 2.25 17.0 CWISE J013343.58+803153.1 D,A,S,G,N,L 14.0 -K 15.109 0.016 13.771 0.011 - 15.80 0.02 15.66 0.14 P2 - -0.24759 0.0084 0.04551 0.0072 251.7 11.1 22.8 18.57 17.44 18.6 1 in 2.03 1.34 14.6 CWISE J014217.66+414653.6 D,G,S -- 19.365 16.421 0.096 - -- - 0.51744 0.1343 -0.80462 0.1474 956.6 199.4 4.8 < 32.26 < 32.2 2 --- > 2.94 > 18.5 promising candidate, may yet prove to be within 20 pc CWISE J014407.64+380255.6 K,L 5.5 -K 14.749 0.017 14.446 0.020 - 16.25 0.01 15.85 0.17 U2 - 0.29450 0.0124 0.11465 0.0108 316.0 16.4 19.2 45.57 45.6 1 out 1.80 0.30 CWISE J014433.03-545545.5 D,S,Q -- 16.971 0.121 14.580 0.032 - 16.79 0.01 V- - 0.38067 0.0295 0.44868 0.0309 588.4 42.7 13.8 17.56 17.6 2 in 2.21 2.39 17.4 J-W2 color is consistent with the W1-W2 phototype of ~T7.5 CWISE J014535.23-031413.3 4 9.0 -A 14.159 0.014 13.623 0.014 - 16.71 0.01 15.71 0.01 VV - 0.05410 0.0093 -0.12257 0.0081 134.0 12.3 10.9 24.99 25.0 1 out 3.09 0.54 8.4 CWISE J014642.51+512817.4 D,S,G -- 19.48 13.220 0.013 12.809 0.009 - 15.74 0.01 U- - 0.12220 0.0051 -0.07115 0.0047 141.4 6.9 20.4 29.57 29.6 4 out 2.93 0.41 3.74 6.4 CWISE J020258.53+291707.7 Q -- 18.322 0.172 15.722 0.052 - 18.08 0.05 U- - -0.11001 0.0676 -0.27334 0.0704 294.6 97.6 3.0 27.24 27.2 2 out 2.36 2.60 17.8 CWISER J021550.96+674017.2 D -- 14.326 0.017 13.837 0.013 - 15.11 0.01 K- 2022-Jan-21 0.39231 0.0108 -0.10232 0.0102 405.4 14.9 27.3 18.6 6 in 1.27 0.49 7.7 likely mid-T companion to HD 13579, MOSFIRE J-band detection blended w/ bkg object CWISER J021612.11+423015.9 G,Q -- 19.412 0.412 15.196 0.035 - 21.72 0.04 K- 2021-Aug-27 0.37152 0.0364 0.21335 0.0362 428.4 51.3 8.3 10.75 9.35 10.8 1 in 6.52 4.22 20.1 likely an early-Y dwarf CWISE J021621.35-494226.3 D,G,S,K -- 19.608 16.442 0.072 - 19.87 0.18 V- - 0.64611 0.1026 0.09633 0.0954 653.3 140.1 4.7 < 29.32 34.9 6 out 3.43 > 3.17 > 18.9 J-W2=3.43 is consistent with a phototype of ~T8 --> distance of 34.9 pc CWISE J021948.68+351845.3 6 -- 18.615 0.202 15.810 0.055 - 21.14 0.02 S- - 0.77971 0.0693 -0.41363 0.0700 882.6 98.5 9.0 17.70 25.94 17.4 6 in 5.33 2.80 18.2 19.5 companion to Ross 19, Gaia D3 parallax places the primary at 17.44 pc CWISER J022352.32+704300.7 D,P -- 13.533 0.014 13.113 0.010 - -- - 0.05292 0.0060 -0.03767 0.0052 65.0 7.9 8.2 24.1 6 out 0.42 6.5 W1-W2 suggests phototype of ~L6.5 --> distance of 24.1 pc CWISE J022609.18-161000.8 4 7.0 -A 13.714 0.013 13.169 0.011 - 17.15 0.01 15.75 0.14 V2 - 0.12459 0.0064 -0.12359 0.0057 175.5 8.6 20.5 32.62 32.6 1 out 3.98 0.54 8.5 CWISE J024210.47+071224.3 Q,K -- 19.242 0.435 15.602 0.050 - -- - 0.18721 0.0659 -0.03588 0.0677 190.6 94.5 2.0 15.63 6 --- 3.64 19.6 undetected in both MOSIFIRE J and VHS YJHK, may not be real CWISE J024708.36+274058.6 D,G,S,K,Q -- 19.005 16.210 0.077 - 20.70 P- 2020-Oct-09 -1.17015 0.1326 -0.35393 0.1210 1222.5 179.5 6.8 < 25.09 < 31.32 < 25.1 1 --- > 4.49 > 2.79 > 18.2 > 19.1 yet may be determined to be cold enough and close enough to be a 20-pc member CWISE J025711.65-390626.9 A,G,O -- 15.929 0.023 14.391 0.016 15.214 0.018 14.349 0.018 K -- - -0.12944 0.0137 -0.01972 0.0132 130.9 19.0 6.9 22.15 21.85 22.2 1 out 0.86 1.54 15.3 15.3 CWISE J030533.85-582636.8 2 18.0 -M 18.105 0.086 15.541 0.029 17.340 0.042 15.515 0.018 b 19.10 0.06 V- - -0.33268 0.0384 -0.24128 0.0362 411.0 52.8 7.8 23.52 25.45 23.5 1 out 3.56 1.82 2.56 17.7 18.0 CWISE J030854.46-621436.9 D,Q -- 14.208 0.014 13.810 0.012 - 16.08 0.01 V- - 0.04420 0.0066 0.07324 0.0058 85.5 8.8 9.7 36.5 6 out 2.27 0.40 J-W2 and W1-W2 colors are consistent with L6 --> distance ~ 36.5 pc CWISE J032117.03+091005.9 D,B,R,S,G,T,Q,L -- 17.954 0.119 15.292 0.040 - 18.08 0.04 P- 2020-Feb-05 0.57888 0.0476 -0.17831 0.0501 605.7 69.1 8.8 21.76 21.8 2 out 2.79 2.66 17.9 J-W2 color is consistent with the W1-W2 phototype of ~T8 CWISE J032600.46+421058.5 2 -- 18.782 0.260 15.285 0.035 17.230 0.038 15.292 0.018 b 18.71 0.12 U- - 0.38441 0.0433 0.26804 0.0440 468.6 61.7 7.6 19.85 14.57 19.9 1 in 3.42 1.94 3.50 19.4 18.3 CWISE J032811.17-422319.4 2 -- 19.248 0.280 16.181 0.054 17.930 0.066 16.026 0.020 b 19.16 0.09 V- - 0.44508 0.0702 0.47911 0.0720 653.9 100.6 6.5 28.41 27.27 28.4 1 out 2.98 1.90 3.07 18.7 18.2 CWISE J033627.36+103122.9 Q -- 18.871 0.339 16.066 0.074 - 18.02 0.05 U- - 0.37999 0.0953 0.04873 0.0980 383.1 136.7 2.8 29.18 29.2 2 out 1.95 2.80 18.2 J-W2 color suggests a phototype closer to T5 (and larger distance) CWISE J034008.55-603601.8 D -- 12.08 10.44 8.068 0.011 7.896 0.008 - 9.00 0.02 8.43 0.03 22 - -0.11988 0.0035 -0.17550 0.0033 212.5 4.8 44.2 12.27 12.3 3 in 1.10 0.17 3.08 1.44 J_2MASS used as proxy for J_MKO. Gaia DR3 entry w/o plx. CWISE J034547.29+513716.0 D,S,T,J 5.5 -K 20.83 19.21 12.848 0.015 12.565 0.012 - 15.36 0.01 14.40 0.01 uu - -0.07799 0.0053 -0.00289 0.0048 78.0 7.2 10.9 23.37 18.99 27.6 5 out 2.79 0.28 5.47 3.85 has Gaia DR3 parallax CWISE J034755.12+123052.7 1 -- 18.002 0.139 15.267 0.041 16.763 0.045 15.146 0.020 a 17.96 0.05 U- - 0.01889 0.0492 0.44327 0.0531 443.7 72.4 6.1 22.25 20.84 22.3 1 out 2.69 1.62 2.73 18.1 17.5 CWISE J035659.17+513101.7 P -- 11.877 0.012 11.470 0.009 - 15.72 0.01 u- - -0.01333 0.0041 -0.00416 0.0037 14.0 5.5 2.5 2.97 6 out 4.25 0.41 6.3 18.9 colors and lack of motion are most consistent with a reddended background star CWISE J035856.18+480244.9 S,G -- 19.135 15.453 0.042 - 20.86 0.03 K- 2021-Aug-27 0.18271 0.0487 -0.04280 0.0546 187.7 73.2 2.6 14.80 < 14.26 14.8 1 in 5.41 > 3.68 > 19.6 19.6 proper motion is small CWISE J040351.12-491605.4 1 -- 19.572 0.325 16.192 0.053 18.118 0.130 16.127 0.025 a -- - 0.26079 0.0654 0.17600 0.0664 314.6 93.2 3.4 28.23 23.49 28.2 1 out 1.99 3.38 19.2 18.4 if this object has common proper motion with SCR J0403-4916, then the distance is 41.8pc (Gaia DR3) CWISE J041822.64+272958.8 D,S -- 13.310 0.014 12.880 0.011 13.028 0.007 12.837 0.011 K -- - 0.06622 0.0064 -0.00049 0.0061 66.2 8.8 7.5 6 out 0.19 0.43 6.7 if truly an L6.5, distance estimate is 14.4 pc; object is more likely a reddened background star CWISE J042325.55+264045.0 S -- 13.110 0.013 12.676 0.010 12.908 0.004 12.670 0.007 K -- - 0.04878 0.0056 -0.06350 0.0054 80.1 7.8 10.3 6 out 0.24 0.43 6.8 if truly an L7, distance estimate is 13.3 pc; object is more likely a reddened background star CWISE J043034.32+255654.1 1 -- 17.126 0.060 14.867 0.027 16.035 0.025 14.788 0.018 a -- - 0.33172 0.0315 -0.31100 0.0339 454.7 46.3 9.8 22.70 21.12 22.7 1 out 1.25 2.26 17.1 16.6 CWISE J043227.67+260616.7 D -- 12.911 0.014 12.605 0.011 12.720 0.007 12.594 0.011 K -- - 0.00058 0.0057 -0.08350 0.0055 83.5 7.9 10.5 6 out 0.13 0.31 could be an early-L but more likely a reddened background star CWISE J044947.80-681745.6 O,Q -- 18.402 0.101 15.509 0.022 16.964 0.048 15.197 0.030 K -- - -0.14494 0.0308 0.00098 0.0281 144.9 41.7 3.5 20.99 21.70 21.0 1 out 1.77 2.89 18.4 17.8 CWISE J045136.63+370811.6 D -- 20.88 18.98 13.437 0.013 13.117 0.012 - 15.68 0.01 u- - -0.10321 0.0065 -0.02350 0.0061 105.9 8.9 11.9 52.30 6 out 2.56 0.32 5.20 3.30 colors suggest L4.5 at distance of 34.4 pc but more likely a reddened background object; Gaia DR3 entry w/o plx CWISE J045334.34+203350.2 A,T,G 3.0 -K 20.43 18.77 13.264 0.014 13.008 0.011 - 15.18 0.01 14.38 0.05 U2 - 0.06307 0.0060 -0.08090 0.0060 102.6 8.5 12.1 35.47 29.28 33.2 5 out 2.17 0.26 5.25 3.59 likely an early- to mid-sdL, so the estimate distance is highly uncertain CWISE J045923.00-340047.0 S -- 19.496 16.290 0.070 - 20.06 0.20 V- - -0.01700 0.0854 0.26400 0.0951 264.5 127.8 2.1 < 26.81 47.0 6 out 3.77 > 3.21 > 18.9 J-W2 color, in concert with the W1-W2 limit, suggests a ~T8 at ~ 47.0 pc CWISE J050246.05+475357.7 D -- 13.213 0.013 12.949 0.011 - 15.83 0.01 u- - 0.07194 0.0060 -0.20700 0.0056 219.1 8.2 26.7 > 23.2 6 out 2.88 0.26 J-W2 and W1-W2 colors suggest an early- to mid-L dwarf at d > 23.2 pc CWISE J053046.20+440849.2 D,S,L,G 15.0 -K 15.988 0.029 14.250 0.018 - 16.07 0.01 16.14 0.18 U2 - 0.11586 0.0216 -1.36000 0.0251 1364.9 33.1 41.2 19.40 19.19 19.4 1 in 1.82 1.74 15.8 CWISE J053204.60+111955.1 7 7.0 -Y 13.193 0.015 12.764 0.011 - 15.94 0.01 14.76 0.07 U2 - 0.06678 0.0060 -0.03800 0.0060 76.8 8.5 9.1 20.68 20.7 1 out 3.18 0.43 6.7 CWISE J054034.89+414401.7 D,G 3.0 -K 15.347 0.029 14.456 0.024 - 16.58 0.02 16.26 0.21 U2 - -0.21149 0.0189 0.02720 0.0197 213.2 27.3 7.8 84.31 84.3 1 out 2.12 0.89 12.2 CWISE J054921.19+264755.0 P -- 11.718 0.013 11.373 0.009 11.480 0.011 11.356 0.011 K 15.70 0.01 u- - -0.01236 0.0043 0.00135 0.0043 12.4 6.1 2.0 2.80 6 out 4.33 0.12 0.35 18.9 placement on color-magnitude diagrams and lack of significant motion point to a reddened background star CWISE J055816.67-450233.4 1 18.5 -K 18.455 0.114 15.876 0.039 17.631 0.078 15.861 0.023 a 19.50 0.09 V- - -0.12027 0.0455 0.12600 0.0519 174.2 69.0 2.5 28.45 29.51 28.5 1 out 3.62 1.77 2.58 17.8 17.8 distance estimate suggests this is a companion to UCAC4 225-007620 (d=27.0 pc, Gaia DR3) CWISE J055829.92-233053.4 T 7.0 -K 18.72 12.891 0.012 12.486 0.009 - 15.22 0.01 14.30 0.04 V2 - -0.03957 0.0047 -0.00770 0.0046 40.3 6.6 6.1 16.73 33.52 23.7 5 out 2.73 0.40 3.50 6.3 CWISE J055942.94-012002.4 D,G,S 5.5 -K 13.552 0.013 13.036 0.010 - 16.49 0.01 15.35 0.08 V2 - 0.01308 0.0058 -0.10500 0.0057 105.8 8.1 13.0 36.20 36.2 1 out 3.45 0.52 8.1 young object?; likely outside 20 pc if a member of AB Dor and possibly within 20 pc if a member of beta Pic CWISE J060822.15-421244.7 G 5.5 -K 21.00 19.34 13.308 0.012 12.920 0.009 - 14.55 0.05 -2 - -0.02645 0.0048 0.24400 0.0049 245.4 6.9 35.8 25.04 25.0 1 out 0.39 has Gaia DR3 entry w/o plx CWISE J060938.91+062513.2 D,T,G 7.0 -K 12.643 0.029 12.116 0.021 - 15.43 0.01 U- - -0.17758 0.0048 -0.00959 0.0051 177.8 7.0 25.4 19.3 6 in 3.31 0.53 8.2 M_J vs spec type relation suggests d ~ 19.3 pc; however, Gaia DR3 entry has no parallax, suggesting binarity? CWISE J061741.79+194512.8 12,18 2.0 2.0 KH 19.65 17.35 11.826 0.010 11.580 0.009 - 13.93 0.01 13.18 0.01 uu - -0.10380 0.0040 -0.05980 0.0038 119.8 5.5 21.7 22.18 20.37 22.2 1 out 2.35 0.25 5.72 3.42 cpm double; this entry is for the A component; Gaia DR3 entry has no plx CWISE J062426.29+733134.0 D,A,G,L -- 15.524 0.025 14.387 0.023 - -- - 0.04479 0.0130 -0.27500 0.0147 278.6 19.6 14.2 24.51 24.5 2 out 1.14 13.7 CWISE J062707.52-220122.7 D -- 14.909 0.016 14.037 0.015 - 16.66 0.02 V- - -0.06352 0.0094 0.01680 0.0102 65.7 13.9 4.7 22.3 6 out 2.62 0.87 12.0 J-W2 and W1-W2 colors suggest ~T2 --> distance ~22.3 pc; however, WISE photometry may suffer contam from bkg source CWISE J062727.34-002826.8 19 10.0 -R 14.902 0.017 14.543 0.020 - 16.52 0.01 15.85 0.13 V2 - -0.13315 0.0105 0.05300 0.0114 143.3 15.5 9.2 25.19 25.2 1 out 1.98 0.36 CWISE J062842.99-805727.5 G,L -- 17.883 0.066 15.311 0.023 16.845 0.046 15.247 0.023 K 18.77 0.08 19.01 0.10 NN - 0.11445 0.0281 -0.47800 0.0314 491.5 42.1 11.7 23.55 22.81 23.6 1 out 3.46 1.60 2.57 17.7 17.4 CWISE J063513.64-143029.4 A,G 9.0 -K 14.143 0.019 13.558 0.015 - 16.34 0.01 15.43 0.10 V2 - 0.10883 0.0079 -0.12200 0.0085 163.5 11.6 14.1 21.97 22.0 1 out 2.78 0.59 9.0 CWISE J064341.04+195039.3 A,D,C,G,H 12.0 -K 14.775 0.019 14.001 0.017 - 16.87 0.02 U- - -0.17275 0.0111 -0.10800 0.0122 203.7 16.5 12.4 28.4 6 out 2.87 0.77 11.2 M_J vs spec type relation suggests d ~ 28.4 pc CWISE J070314.97-062929.8 P -- 19.386 16.578 0.107 18.637 0.428 16.271 0.063 K 21.32 0.06 K- 2022-Jan-21 -0.00880 0.1400 -0.64177 0.1658 641.8 217.0 3.0 28.26 23.35 < 36.89 25.8 1 out 4.74 2.37 > 2.81 > 18.2 19.6 19.2 (J-band association should be verified with a second epoch observation to confirm motion) CWISE J070853.18-351415.4 P,S -- 16.136 0.028 14.624 0.019 - 16.42 0.02 V- - 0.03391 0.0160 -0.08859 0.0192 94.9 25.0 3.8 24.52 24.5 2 out 1.80 1.51 15.2 CWISE J071218.16+151148.8 G,S -- 19.204 16.132 0.081 - 18.76 0.08 U- - -0.02592 0.1070 -0.54121 0.1219 541.8 162.2 3.3 < 26.59 31.0 6 out 2.63 > 3.07 > 18.7 J-W2 suggests ~T7.5 --> distance ~31.0 pc CWISE J072418.16+430717.3 C,D,B,N,R,S,G,L 16.0 -K 16.734 0.044 14.896 0.025 - 16.75 0.02 U- - 0.09161 0.0253 -0.13149 0.0282 160.3 37.9 4.2 24.98 25.0 2 out 1.85 1.84 16.1 W1-W2-based spectral type estimate matches measured type CWISE J072708.09-360729.2 D,G,S -- 14.639 0.018 13.862 0.015 - 16.52 0.02 V- - -0.06183 0.0083 0.24239 0.0093 250.2 12.5 20.1 24.2 6 out 2.66 0.78 11.2 J-W2, in concert with W1-W2, suggests ~T1 --> distance ~ 24.2 pc CWISE J072720.65-763349.9 D,P,S,K,O -- 17.284 0.044 14.889 0.017 - 17.31 0.03 V- - 0.02751 0.0202 -0.13500 0.0191 137.8 27.8 5.0 20.21 20.2 2 out 2.42 2.39 17.4 J-W2 color is also consistent with ~T7.5 CWISE J072900.97-742943.1 D,3 -- 14.557 0.014 14.039 0.012 13.202 0.011 13.169 0.016 K 15.84 0.01 V- - -0.18720 0.0085 0.70961 0.0082 733.9 11.8 62.1 > 20.0 6 out 1.80 0.03 0.52 8.1 W1-W2-based ~L8 type --> d ~ 19.4 pc; however, J-W2 and ch1-ch2 colors suggest early- to mid-L and d > 20 pc CWISE J073748.86-252613.0 T 3.0 -K 20.76 19.35 12.868 0.013 12.641 0.010 12.822 0.012 12.715 0.017 K 14.50 0.07 -2 - -0.04399 0.0047 -0.06698 0.0055 80.1 7.2 11.1 37.49 30.7 5 out 0.11 0.23 Spitzer phot badly blended CWISE J074346.98+314603.4 X,Z,S,G 18.0 -K 18.172 0.156 15.630 0.051 - 18.51 0.07 U- - -0.11771 0.0619 -0.20707 0.0633 238.2 88.5 2.7 26.76 26.8 2 out 2.88 2.54 17.7 W1-W2-based phototype agrees with measured type CWISE J074525.71+391819.7 G,S,K -- 19.428 16.018 0.068 - -- - 0.13506 0.0887 -0.28372 0.1021 314.2 135.2 2.3 < 21.35 6 --- > 3.41 > 19.2 a solid color determination and confirmation of distance needed to judge the credibility of this source CWISE J075227.38+053802.6 D,S 9.0 -K 14.111 0.015 13.568 0.014 - 15.82 0.01 15.12 0.07 U2 - 0.03334 0.0081 -0.57116 0.0093 572.1 12.3 46.4 19.04 19.0 1 in 2.25 0.54 8.5 likely a spectral binary; distance estimate derived here may be underestimated CWISE J075628.41-063709.5 G,D,C,P 6.0 -K 14.611 0.016 14.260 0.018 - 16.79 0.02 15.87 0.16 V2 - -0.22668 0.0094 0.06213 0.0105 235.0 14.1 16.7 41.56 41.6 1 out 2.53 0.35 CWISE J075744.48-300504.3 M,G 14.5 -K 15.829 0.022 14.743 0.028 15.387 0.047 14.730 0.022 K -- - 0.21281 0.0200 -0.73700 0.0214 767.1 29.3 26.2 29.07 29.27 29.1 1 out 0.66 1.09 13.5 14.1 ch2 mag and measured type suggest d ~ 25.5 pc CWISE J075758.18-423007.6 D -- 13.637 0.013 13.262 0.010 - 16.47 0.02 V- - -0.08913 0.0054 0.08503 0.0060 123.2 8.1 15.3 41.4 6 out 3.21 0.38 W1-W2 color suggests ~L5.5 --> d ~ 41.4 pc based on J mag CWISE J075847.32-471033.8 G,U -- 15.609 0.019 14.402 0.014 - -- - -0.11451 0.0115 -0.13500 0.0127 177.0 17.1 10.3 24.21 24.2 2 out 1.21 14.1 CWISE J075853.12-232645.8 G,T,S 12.5 -K 14.069 0.014 13.390 0.012 - 15.21 0.12 -2 - -0.13411 0.0071 -0.02391 0.0079 136.2 10.6 12.8 17.31 17.3 1 in 0.68 10.2 likely a spectral binary; distance estimate derived here may be underestimated CWISE J080940.43-372003.7 T,N 5.0 -K 20.30 18.79 13.069 0.014 12.804 0.010 12.637 0.008 12.731 0.012 K 14.23 0.03 -2 - -0.16021 0.0049 -0.10900 0.0054 193.8 7.3 26.6 23.91 21.1 5 out -0.09 0.27 CWISE J083019.93-632303.8 14,2 18.5 -M 18.023 0.076 15.849 0.036 17.497 0.049 15.675 0.018 b 18.68 0.01 G- 2014-Dec-01 -0.11023 0.0478 0.40500 0.0477 419.7 67.5 6.2 25.36 34.30 25.4 1 out 2.83 1.82 2.17 16.9 18.0 T8.5 type suggests M_J ~ 17.4 --> d ~ 18.0 pc, but other indicators suggest d > 20 pc CWISE J083130.98+154018.4 S,O,Q -- 18.813 0.257 15.714 0.054 - 20.39 0.02 K- 2022-Jan-21 0.10992 0.0797 0.13500 0.0852 174.1 116.7 1.5 19.24 21.66 19.2 1 in 4.68 3.10 18.8 19.2 J-W2 and W1-W2 colors consistenly suggest ~T9, but proper motion is not significant CWISE J085348.15+112921.4 1 -- 18.092 0.147 15.482 0.042 16.693 0.042 15.448 0.022 a 17.84 0.02 P- 2016-Feb-26 -0.04486 0.0497 -0.15300 0.0575 159.4 76.0 2.1 30.80 24.29 30.8 1 out 2.36 1.25 2.61 17.8 16.6 CWISE J085731.46-313655.4 D,S,G -- 19.731 15.996 0.058 - 20.72 0.05 G- 2021-Feb-22 0.33886 0.0770 0.01180 0.0839 339.1 113.9 3.0 21.70 < 17.80 21.7 1 out 4.72 > 3.74 > 19.7 19.2 CWISE J090547.58+700240.2 1 -- 19.198 0.306 15.942 0.051 17.848 0.082 15.816 0.021 a 19.55 0.10 P- 2020-Feb-05 0.30163 0.0634 -0.07530 0.0684 310.9 93.3 3.3 23.84 22.28 23.8 1 out 3.61 2.03 3.26 19.0 18.6 CWISE J090713.18+194135.2 S,D,K -- 18.443 0.200 15.558 0.048 - 17.89 0.05 U- - 0.05903 0.0552 -0.09430 0.0679 111.3 87.5 1.3 22.28 22.3 2 out 2.33 2.89 18.4 proper motion is not confirmed CWISER J090720.27-430856.7 T,V,R,N,J 5.0 -K 20.39 18.84 13.027 0.015 12.753 0.013 - 14.38 0.05 -2 - 0.21440 0.0053 -0.58200 0.0062 620.2 8.2 76.0 25.62 27.1 5 out 0.27 CWISE J091913.79-574311.3 G,S,T,b -- 19.771 16.295 0.071 - 19.59 0.03 G- 2021-Oct-18 -0.47320 0.1042 0.38400 0.1065 609.4 149.0 4.1 < 23.45 37.8 6 out 3.30 > 3.48 > 19.3 J-W2 color suggests ~T8 --> d ~ 37.8 pc CWISE J091942.64-495243.7 S -- 18.888 15.963 0.055 - -- - -0.24079 0.0707 0.20500 0.0753 316.2 103.3 3.1 < 26.36 6 --- > 2.93 > 18.5 need a solid color for distance determination CWISE J092710.37-474155.5 C,L -- 16.971 0.057 14.685 0.027 - 18.23 0.01 G- 2021-Jul-21 -0.59634 0.0242 0.29800 0.0274 666.7 36.6 18.2 19.21 14.7 6 in 3.54 2.29 17.1 J-W2 color suggests ~T8.5 --> d ~ 14.7 pc CWISE J093035.01-743148.6 D,A,G 17.0 -K 17.098 0.038 15.114 0.021 16.535 0.043 15.184 0.022 K 17.24 0.04 17.68 0.06 VO 2012-Mar-12 0.03005 0.0230 -0.15400 0.0210 156.9 31.1 5.0 20.68 25.91 26.23 23.3 1 out 2.13 1.35 1.98 16.4 16.8 CWISE J094021.25+453622.1 W,G,S,Q,T,L -- 19.167 0.326 15.749 0.048 - 20.03 0.01 K- 2022-Jan-21 0.13521 0.0618 -0.54500 0.0701 561.5 93.5 6.0 21.18 18.79 21.2 1 out 4.28 3.42 19.2 18.9 CWISE J095441.48+701406.8 A,T,G,O -- 14.541 0.015 13.972 0.013 - -- - -0.09204 0.0073 -0.10952 0.0078 143.1 10.7 13.4 23.2 6 out 0.57 8.8 W1-W2 color and W2 mag suggest d ~ 23.2 pc WISEU J100241.49+145914.9 D,M -- 14.550 0.100 - 18.18 0.05 U- - 1.0 < 17.9 6 in 3.63 > > J-W2 suggests ~T8.5 given W1-W2 color limit from WISE images --> d ~ 14.3 pc; probably cpm w/ G 43-23 (d=17.9pc, Gaia DR3) CWISE J100521.10-691226.8 S,G -- 14.733 0.017 13.626 0.012 - 15.48 0.01 V- - -0.01888 0.0067 -0.07038 0.0072 72.9 9.8 7.4 17.40 17.4 2 in 1.85 1.11 13.6 J-W2 is not inconsistent with a type of ~T3.5 CWISE J100628.98+105408.5 1 -- 17.867 0.113 15.459 0.045 17.615 0.090 15.558 0.022 a 19.80 0.06 G- 2019-Apr-14 -0.32498 0.0539 -0.11431 0.0607 344.5 81.2 4.2 18.30 20.83 26.14 19.6 1 in 4.34 2.06 2.41 17.4 18.6 19.0 CWISE J101803.77-684252.2 2 -- 17.357 0.054 15.500 0.029 17.324 0.043 15.406 0.017 b 19.08 0.15 V- - -0.54350 0.0314 0.45798 0.0321 710.7 44.9 15.8 21.18 32.77 21.2 1 out 3.58 1.92 1.86 16.1 18.2 J-W2 supports the ch1-ch2 suggestion of ~T8-8.5 CWISE J102332.99+221527.6 D,T,G,L -- 16.696 0.041 15.225 0.036 - 18.53 0.07 U- - -0.20507 0.0346 -0.32682 0.0391 385.8 52.2 7.4 32.75 24.3 6 out 3.31 1.47 15.1 J-W2 suggests ~T8 --> d ~ 24.3 pc CWISE J103112.51-732309.3 D,Q -- 17.29 15.73 11.461 0.012 11.188 0.009 - 12.82 0.01 V- - 0.03334 0.0035 -0.06220 0.0039 70.6 5.2 13.5 22.49 21.71 18.5 5 in 1.63 0.27 4.47 2.91 the VHS J mag is not saturated, based on the 2MASS J value for this object CWISE J104222.09+332127.2 D,G,L,S -- 19.031 16.085 0.071 - -- - -0.55799 0.0903 -0.08732 0.0948 564.8 130.9 4.3 < 27.61 6 --- > 2.95 > 18.5 need a definitive color measurement to get a meaningful distance estimate CWISE J105349.12-460239.1 2 -- 17.516 0.071 15.275 0.034 17.159 0.035 15.258 0.017 b 18.64 0.10 V- - -0.67419 0.0387 0.38302 0.0439 775.4 58.5 13.2 19.98 25.66 19.9 1 in 3.36 1.90 2.24 17.0 18.2 ch1-ch2 and J-ch2 suggest ~T8-8.5 right around the 20-pc limit CWISE J110238.85-775039.7 G -- 12.870 0.012 12.544 0.010 12.708 0.006 12.562 0.010 K 16.03 0.01 V- - -0.08367 0.0042 0.00628 0.0047 83.9 6.3 13.3 23.6 6 out 3.49 0.15 0.33 W1-W2 and ch1-ch2 colors suggest ~L4.5 --> d ~ 23.6 pc CWISE J112106.36-623221.5 12 -- 19.020 15.131 0.043 16.655 0.151 14.956 0.039 K 17.33 0.01 G- 2021-Jul-17 -0.51206 0.0486 -0.43052 0.0501 669.0 69.8 9.6 19.51 < 10.97 19.5 1 in 2.20 1.70 > 3.89 > 20.0 17.7 J-W2 and ch1-ch2 suggest ~T6.5-7.5, not nearly as cold as the suggestion from the W1-W2 color limit CWISE J112440.19+663051.1 2 -- 18.094 0.100 15.400 0.030 17.183 0.041 15.356 0.018 K -- - 0.02205 0.0375 -0.17023 0.0396 171.7 54.5 3.1 21.83 22.56 21.8 1 out 1.83 2.69 18.0 18.0 CWISE J113646.36+205733.9 D,C -1.0 -K 15.283 0.018 15.065 0.031 - 16.77 0.02 15.91 0.17 U2 - -0.19426 0.0139 -0.03465 0.0158 197.3 21.0 9.4 >100. 6 out 1.71 0.22 this M9 must be outside of 100 pc based on its J magnitude CWISE J114350.62+401332.0 2 -- 18.687 0.207 15.586 0.040 17.397 0.042 15.486 0.018 b 18.71 0.03 P- 2016-Feb-26 -0.56315 0.0548 -0.42857 0.0603 707.7 81.5 8.7 22.06 20.40 22.1 1 out 3.12 1.91 3.10 18.8 18.2 J-W2 color is consistent with ~T8 CWISE J115917.15+671702.3 2 -- 19.520 0.347 16.065 0.053 18.129 0.081 15.951 0.019 b 21.17 0.04 K- 2022-Jan-21 -0.87896 0.0878 -0.45422 0.0888 989.4 124.9 7.9 20.78 23.05 21.32 21.9 1 out 5.11 2.18 3.45 19.3 19.0 19.4 CWISE J120258.26+305233.3 D,G,T,S,O 16.0 -K 16.401 0.031 14.706 0.021 - 16.73 0.02 U- - -0.03278 0.0201 -0.15140 0.0235 154.9 30.9 5.0 24.02 24.0 2 out 2.02 1.70 15.7 J-W2 suggests ~T3-6 --> d > 25.1 pc CWISE J123149.84-534838.7 D,G -- 15.656 0.022 14.813 0.022 - 16.42 0.02 V- - 0.15659 0.0159 -0.11017 0.0179 191.5 23.9 8.0 6 --- 1.61 0.84 11.8 W1-W2 suggests ~T2 but J-W2 suggests a much warmer object; spectrum needed for accurate distance estimate CWISE J123204.28-484935.3 G,T -- 19.558 16.189 0.064 - 18.45 0.09 V- - -0.40315 0.0793 -0.05814 0.0866 407.3 117.4 3.5 < 23.59 > 30.9 6 out 2.26 > 3.37 > 19.2 J-W2 suggests <~T7 --> d >~ 30.9 pc CWISE J123455.88-641923.7 G,F,K -- 18.44 16.75 12.133 0.012 11.994 0.009 11.898 0.011 11.910 0.017 K 13.70 0.01 13.11 0.01 vv - -0.25130 0.0044 0.11755 0.0052 277.4 6.8 40.7 26.23 27.89 25.8 5 out 1.71 -0.01 0.14 4.74 3.05 CWISE J124903.25+292707.1 A,S,G,T,U -- 14.300 0.016 13.678 0.013 - 17.65 0.03 16.46 0.02 uu - -0.29566 0.0083 0.07198 0.0091 304.3 12.3 24.7 > 20.0 6 out 3.97 0.62 9.5 W1-W2-based color suggests d ~ 20.0 pc and J-W2-based color suggests slightly earlier L dwarf and d > 20 pc CWISE J125401.16-413806.9 D,G,S,T,K,Q -- 19.578 16.296 0.075 - 19.08 0.14 V- - -0.31669 0.0998 -0.28360 0.1064 425.1 145.9 2.9 < 25.89 37.7 6 out 2.78 > 3.28 > 19.0 J-W2 suggests ~T7.5 (warmer than the W1-W2 color limit would suggest) --> d ~ 37.7 pc CWISE J125717.84-725529.4 S,Q -- 20.81 19.26 13.600 0.014 13.054 0.010 - 15.52 0.01 V- - -0.05719 0.0049 -0.02918 0.0056 64.2 7.4 8.6 26.72 72.8 5 out 2.47 0.55 5.29 3.74 8.5 CWISE J130951.63-543850.7 T -- 17.90 16.33 11.442 0.010 11.219 0.008 - 13.12 0.01 V- - -0.16157 0.0032 -0.16256 0.0036 229.2 4.8 47.6 18.84 17.82 20.7 5 out 1.90 0.22 4.78 3.21 CWISE J132403.81-052631.4 D,A,K 14.0 -K 16.476 0.155 14.408 0.056 - 16.87 0.02 17.03 0.05 VV - -0.11761 0.0197 -0.04463 0.0217 125.8 29.3 4.3 34.91 18.38 34.9 1 out 2.46 2.07 16.6 badly blended in WISE; spectrum classified as sdT4 CWISE J133427.46-625736.6 K -- 17.17 15.62 10.891 0.012 10.710 0.009 10.701 0.007 10.721 0.013 K 12.50 0.01 12.33 0.01 vv - -0.19134 0.0045 0.01506 0.0049 191.9 6.7 28.8 16.51 14.83 20.6 5 out 1.79 -0.02 0.18 4.67 3.12 VHS J mag is not saturated, based on the 2MASS J value WISEA J134310.42-121628.9 15 4.0 J- 14.549 0.031 14.261 0.044 - 16.16 0.01 15.65 0.01 VV - 1.0 51.5 6 out 1.90 0.29 measured type and W2 mag suggest d ~ 51.5 pc CWISE J134446.62-732053.9 D,G -- 13.356 0.014 13.033 0.010 - -- - -0.04607 0.0054 0.13833 0.0067 145.8 8.6 16.9 > 26.5 6 out 0.32 W1-W2 suggests <~ L5 --> d >~ 26.5 pc CWISE J135338.04+441017.6 G,B,O 17.5 -K 17.804 0.081 15.346 0.030 16.611 0.044 15.280 0.018 K 17.60 0.04 U- - -0.18915 0.0341 0.05411 0.0386 196.7 51.5 3.8 27.35 24.31 27.4 2 out 2.25 1.33 2.46 17.5 16.8 color-based type estimates compare well to measured type CWISE J140808.52-491759.4 B,G,S,L -- 16.055 0.026 14.543 0.019 - 16.24 0.02 V- - -0.47570 0.0179 -0.36627 0.0201 600.4 26.9 22.3 23.62 23.6 2 out 1.70 1.51 15.2 J-W2 is not inconsistent with ~T5 CWISE J142830.96-064435.5 T,G 5.0 -K 20.11 18.50 12.994 0.013 12.740 0.010 - 14.87 0.01 14.14 0.01 VV - -0.12702 0.0049 -0.12691 0.0052 179.6 7.1 25.1 22.94 23.95 22.3 5 out 2.13 0.25 5.24 3.63 CWISE J143422.46-083935.2 2 -- 19.653 16.020 0.068 17.930 0.068 15.855 0.019 b 20.00 P- 2020-Feb-05 0.43013 0.0812 -0.20758 0.0944 477.6 124.5 3.8 23.61 < 19.01 23.6 1 out > 3.98 2.08 > 3.63 > 19.6 18.7 CWISE J150122.70+554926.9 S,G,L,Q -- 19.199 0.241 16.059 0.047 - 19.21 0.01 K- 2022-Jan-21 -0.61776 0.0633 0.37626 0.0695 723.3 94.0 7.7 24.89 24.9 2 out 3.15 3.14 18.8 MOSFIRE J blended w/ obj of similar brightness CWISE J150837.84-075739.2 D -- 15.313 0.020 14.549 0.023 - 16.72 0.01 16.17 0.02 VV - -0.01853 0.0141 -0.08538 0.0163 87.4 21.6 4.1 32.4 6 out 2.17 0.76 11.1 W1-W2-based spectral type implies d ~ 32.4 pc CWISE J152528.84+605400.2 14,2 -- 20.273 15.976 0.040 18.024 0.073 15.883 0.019 b 19.61 0.07 P- 2014-Jul-03 -0.33247 0.0598 0.77544 0.0607 843.7 85.2 9.9 22.90 < 12.75 22.9 1 out 3.63 2.14 > 4.30 18.9 J-W2 is consistent with T8.5 , so object not as cold as W1-W2 color limit suggests CWISE J160318.22-013508.2 D,Q -- 19.219 0.368 16.038 0.071 - -- - 0.29220 0.0793 0.06304 0.0899 298.9 119.9 2.5 24.16 24.2 2 out 3.18 18.9 CWISE J160516.67+002138.1 2 -- 18.270 0.145 15.443 0.041 17.403 0.043 15.483 0.018 b 19.02 0.12 U- - -0.31768 0.0487 -0.18422 0.0581 367.2 75.8 4.8 21.91 21.69 21.9 1 out 3.58 1.92 2.83 18.3 18.2 J-W2 is consistent with ~T8.5 as well CWISE J160835.09+161449.7 D,Z,S,L -- 16.995 0.053 14.809 0.024 - 17.25 0.03 U- - 0.01132 0.0231 -0.05939 0.0261 60.5 34.9 1.7 21.15 21.2 2 out 2.44 2.19 16.9 J-W2 is also consistent with ~T7; motion is questionable CWISE J160858.84-360447.9 Q -- 18.046 0.164 15.296 0.040 - 17.87 0.04 V- - -0.03520 0.0468 -0.29192 0.0519 294.0 69.9 4.2 20.98 21.0 2 out 2.57 2.75 18.1 J-W2 is consistent with ~T7 as well, but motion is questionable CWISE J161546.07+671227.4 D,G,S,Q -- 13.406 0.013 12.766 0.010 - -- - -0.07807 0.0049 0.09353 0.0051 121.8 7.1 17.2 15.6 6 in 0.64 9.7 if ~T0, then d ~ 15.6 pc CWISE J162416.41-321214.3 D -- 12.99 11.01 7.970 0.014 7.784 0.009 - 9.15 0.02 8.47 0.03 22 - -0.00940 0.0041 -0.17457 0.0042 174.8 5.9 29.8 6.07 11.81 16.9 5 in 1.37 0.19 3.84 1.86 J2MASS used as proxy for JMKO CWISE J163336.14-325305.3 M,G,S,Q,L -- 15.668 0.023 14.383 0.019 - 16.86 0.02 V- - -0.03857 0.0175 -0.30821 0.0194 310.6 26.1 11.9 23.48 14.9 6 in 2.48 1.29 14.4 J-W2 is more consistent with ~T7 --> d ~ 14.9 pc CWISE J164109.72-171924.3 D,S -- 21.15 19.61 13.418 0.014 13.076 0.012 - 15.83 0.01 V- - 0.05088 0.0066 -0.00767 0.0074 51.5 9.9 5.2 28.27 28.3 4 out 2.75 0.34 5.32 3.78 Gaia DR3 entry w/o plx VVV J165507.19-421755.5 17 15.0 -S - 15.56 0.01 15.58 0.02 ZZ - 1.0 14.99 < 15.2 6 in > parallax from Schapera et al. (2022) CWISE J165909.91-351108.5 D,G -- 13.541 0.015 13.030 0.013 - 17.25 0.04 V- - -0.18547 0.0079 -0.16295 0.0082 246.9 11.4 21.7 6.13 6 --- 4.22 0.51 8.0 18.9 J-W2 and W1-W2 are consistent w/ a brown dwarf only if this is a late-L dwarf; reddened bkg obj also possible; spectrum needed CWISE J171221.50+495318.2 D,G,Q -- 17.729 0.085 14.987 0.019 - 18.99 0.06 P- 2020-Jun-03 0.13628 0.0224 -0.17658 0.0250 223.1 33.6 6.6 15.79 18.26 15.8 1 in 4.00 2.74 18.1 18.7 CWISE J171338.81-183322.7 D,G -- 14.357 0.015 13.568 0.014 - 16.52 0.01 P- 2021-Jul-01 0.05559 0.0083 -0.10433 0.0098 118.2 12.8 9.2 19.7 6 in 2.95 0.79 11.3 J-W2 is consistent with roughly L9 but is difficult to determine; for the W1-W2 preferred type of ~T1.5, d ~ 19.7 pc CWISER J171509.58-151534.6 G,T -2.0 -K 18.26 16.68 12.159 0.012 11.934 0.008 - 13.59 0.01 13.00 0.03 V2 - -0.30256 0.0046 -0.22470 0.0049 376.9 6.7 56.1 27.27 25.35 26.2 5 out 1.66 0.23 4.67 3.09 CWISE J172249.66-444940.9 T,Q,c -- 20.49 13.068 0.013 12.826 0.010 - -- - -0.14431 0.0058 -0.26675 0.0061 303.3 8.4 36.0 27.7 5 out 0.24 CWISE J172617.09-484424.9 12 12.5 -I 13.170 0.012 12.422 0.010 - 14.62 0.01 14.21 0.03 V2 - -0.08613 0.0051 -0.18048 0.0050 200.0 7.1 28.0 10.92 10.9 1 in 2.20 0.75 10.9 CWISE J173830.94-773024.3 D -- 16.446 0.056 14.537 0.027 - 18.50 0.07 V- - -0.25931 0.0238 -0.65122 0.0277 700.9 36.5 19.2 20.65 15.8 6 in 3.96 1.91 16.2 J-W2 is consistent with ~T8.5 --> d ~ 15.8 pc CWISE J175701.55+183215.3 2 -- 19.104 0.287 15.801 0.048 17.863 0.062 15.726 0.019 b 20.78 0.24 P- 2014-Sep-14 0.16414 0.0575 -0.00251 0.0652 164.2 86.9 1.9 18.86 21.36 20.40 20.1 2 out 4.98 2.14 3.30 19.1 18.9 19.4 CWISE J180308.71-361332.1 Q -- 19.048 14.948 0.029 - 18.44 0.16 v- - 0.25550 0.0431 0.01887 0.0454 256.2 62.6 4.1 < 8.93 16.9 6 in 3.49 > 4.10 J-W2 suggests ~T8-8.5 --> d ~ 16.9; motion confirmed in VVV J-band images CWISE J181005.77-101001.2 5 10.0 -X 14.069 0.012 12.739 0.009 - -- - -1.08748 0.0089 -0.28753 0.0085 1124.8 12.3 91.4 10.87 8.9 6 in 1.33 14.6 parallax from Lodieu et al. (2022); because this is an sdT, it does not fit solar metallicity color relations CWISE J181104.83+433113.7 Y,G,S,L -- 18.229 0.105 15.798 0.035 - 19.49 0.20 U- - -0.06083 0.0428 0.21535 0.0470 223.8 63.6 3.5 30.27 25.0 6 out 3.69 2.43 17.4 J-W2 suggests ~T8.5 --> d ~ 25.0 pc CWISE J181125.34+665806.4 A,B,C,Z,E,S,N -- 19.061 0.082 16.024 0.030 18.228 0.018 15.947 0.005 K 21.61 0.04 K- 2021-Aug-27 -0.16120 0.0200 -0.38470 0.0197 417.1 28.1 14.9 18.62 21.41 25.73 14.3 6 in 5.59 2.28 3.04 18.7 19.3 19.7 Absolute parallax = 69.7+/-6.8 mas (this paper) CWISE J181429.08-202534.4 J -2.0 -K 17.08 15.53 11.293 0.011 11.133 0.008 11.221 0.017 11.199 0.024 K 12.18 0.05 -2 - -0.14977 0.0050 -0.35630 0.0048 386.5 6.9 55.8 21.0 5 out 0.02 0.16 CWISE J184803.45-143232.3 G -- 15.579 0.120 14.395 0.043 - 17.28 0.04 V- - -0.14482 0.0332 -0.10373 0.0366 178.1 49.4 3.6 24.29 15.7 6 in 2.89 1.18 14.0 J-W2 suggests ~T7.5 --> d ~ 15.7 pc; W1 detection appears to be false; possible cpm companion to G 155-42 (17.1 pc) CWISE J185316.77-540658.0 H -- 15.890 0.032 13.967 0.017 15.139 0.017 13.940 0.017 K 15.95 0.01 V- - 0.03465 0.0139 0.02184 0.0140 41.0 19.7 2.1 15.72 15.81 6 --- 1.98 1.20 1.92 16.3 16.5 no motion obvious in 14 years between 2MASS J and VHS J images; spectrum needed for confirmation/refutation of brown dwarf status CWISE J185608.94-082257.6 T,R 0.0 K- 18.28 16.71 12.089 0.010 11.802 0.008 - 12.94 0.03 -2 - -0.04184 0.0060 -1.10732 0.0054 1108.1 8.1 137. 21.7 5 out 0.29 CWISE J190405.09-372616.9 G,S,O,Q -- 13.243 0.014 12.776 0.011 13.018 0.008 12.802 0.012 K 17.14 0.02 V- - 0.00702 0.0060 -0.06710 0.0059 67.5 8.4 8.0 5.29 6 --- 4.36 0.22 0.47 7.3 19.0 J-W2 and W1-W2 are consistent w/ a brown dwarf only if a late-L; more likely a reddened background star; motion uncertain CWISE J191118.88+085456.3 Q -6.0 K- 14.65 13.14 10.265 0.010 10.272 0.009 10.356 0.012 10.269 0.018 K 11.46 0.01 11.09 0.01 uu - -0.11997 0.0040 -0.04750 0.0037 129.0 5.4 23.7 33.60 46.19 37.3 6 out 1.19 0.09 -0.01 3.19 1.68 J-K (MKO) = 0.78 mag from UGPS is typical of an unreddened M4; type and J mag --> 37.3 pc CWISE J191259.88-304414.4 A,T,S,G -- 13.920 0.015 13.441 0.014 - 15.60 0.01 V- - 0.01727 0.0081 -0.15400 0.0078 155.0 11.2 13.8 25.6 6 out 2.16 0.48 7.5 an assumed type of ~L7.5 gives d ~ 25.6 pc CWISE J191753.11-312102.9 G,H -- 13.303 0.020 12.977 0.018 - 15.85 0.01 V- - 0.11564 0.0067 -0.06410 0.0068 132.2 9.5 13.9 > 19.8 6 out 2.87 0.33 colors suggest ~L5-8 --> d < 19.8 pc; likely outside 20 pc CWISE J191839.52+441835.6 D,G,W -- 18.962 0.243 15.970 0.044 15.817 0.056 K 20.13 0.02 K- 2021-Aug-27 0.18563 0.0597 0.59100 0.0626 619.5 86.5 7.2 24.04 25.63 24.0 1 out 4.16 2.99 18.6 18.8 CWISE J192351.88+234611.8 T,S -1.0 -K 19.62 18.10 13.124 0.013 12.971 0.010 - 14.89 0.01 14.19 0.01 uu - -0.05685 0.0050 -0.15100 0.0051 161.3 7.1 22.6 46.01 40.26 43.1 5 out 1.92 0.15 4.73 3.21 CWISE J192700.38+003849.1 G,D -- 15.397 0.026 14.883 0.035 - 16.61 0.02 U- - 0.15668 0.0180 -0.12100 0.0192 198.0 26.3 7.5 47.4 6 out 1.73 0.51 8.0 colors suggest ~L8 --> d ~ 47.4 pc CWISE J192738.93-851335.6 Z -- 18.007 0.091 15.529 0.033 17.428 0.035 15.554 0.017 K 19.76 0.21 V- - -0.06613 0.0377 0.03440 0.0402 74.5 55.1 1.4 19.33 23.27 26.23 21.3 1 out 4.23 1.87 2.48 17.5 18.1 18.9 motion is not yet confirmed CWISE J193541.58-332557.6 D,V,G -- 13.311 0.014 12.917 0.011 - 16.07 0.01 V- - 0.16683 0.0062 -0.09990 0.0060 194.5 8.6 22.5 20.1 6 out 3.15 0.39 colors suggest ~L7.5 --> d ~ 20.1 pc CWISE J193652.68+001922.8 D,T,S,G,Q,L -- 16.099 0.034 14.462 0.022 - 16.26 0.01 P- 2021-Jul-01 0.38487 0.0203 -0.13200 0.0223 406.9 30.2 13.5 21.87 21.9 2 out 1.80 1.64 15.6 J-W2 color is also consistent with ~T5.5 CWISE J194929.61+171301.3 T,J 2.5 -K 19.22 17.65 12.182 0.012 12.031 0.010 - 14.16 0.01 13.40 0.01 uu - 0.17857 0.0047 -0.09590 0.0046 202.7 6.6 30.8 23.69 20.84 20.6 5 out 2.13 0.15 5.06 3.49 CWISE J195150.85-134841.5 A,B,S,G,L -- 15.340 0.020 14.212 0.018 - 15.83 0.01 V- - -0.11850 0.0132 -0.23400 0.0139 262.3 19.2 13.7 22.67 22.7 2 out 1.62 1.13 13.7 J-W2 color is only marginally consistent with the W1-W2-based type estimate of ~T3.5 CWISE J201510.63-675005.6 1 -- 16.759 0.041 14.570 0.020 15.918 0.023 14.665 0.018 a 16.92 0.02 V- - -0.02940 0.0210 -0.20800 0.0214 210.1 30.0 7.0 21.39 18.92 21.4 1 out 2.35 1.25 2.19 16.9 16.6 J-W2 color is also consistent with ~T6-6.5 CWISE J202225.15+182059.4 D,G -- 13.283 0.013 12.902 0.010 - 16.47 0.02 U- - 0.08114 0.0052 0.02120 0.0053 83.9 7.4 11.3 22.6 6 out 3.57 0.38 J-W2 color is marginally consistent with a W1-W2 phototype of ~L6-7 --> d ~ 22.6 pc CWISE J202316.58-374755.1 D,L,G,Q -- 19.346 16.107 0.080 - 19.78 V- - 0.30364 0.1058 -0.66300 0.1135 729.2 155.2 4.7 < 24.24 < 29.0 6 --- > 3.67 > 3.24 > 19.0 undetected at VHS J -- implanting of artificial sources in the image gives JMKO >~ 19.78 mag; >~T8.5 --> d < 29.0 pc CWISE J203438.09-462543.1 G,S,Q,L -- 17.859 0.094 15.347 0.038 - 19.11 0.11 V- - 0.14582 0.0480 -0.38000 0.0513 407.0 70.3 5.8 23.79 19.1 6 in 3.76 2.51 17.6 J-W2 color suggests a slightly later type of ~T8.5 --> d ~ 19.1 pc CWISE J204055.20+465148.0 P -K 17.851 0.164 15.096 0.060 - -- - -0.00820 0.0552 0.19400 0.0541 194.2 77.3 2.5 19.09 19.1 2 --- 2.75 18.1 confirmation of this object is still needed CWISE J204800.33+503823.7 A -- 16.289 0.027 14.784 0.018 - 16.32 0.01 u- - 0.16397 0.0190 0.33300 0.0178 371.2 26.0 14.3 26.45 26.5 2 out 1.54 1.51 15.2 J-W2 color is also consistent with ~T5 CWISE J205338.54-353922.5 C,H -- 15.810 0.026 14.283 0.019 15.123 0.017 14.263 0.018 K 16.04 0.01 V- - -0.00947 0.0164 0.06360 0.0178 64.3 24.2 2.7 21.34 20.86 21.3 1 out 1.76 0.86 1.53 15.2 15.3 CWISE J210057.80-624555.4 D -- 21.06 19.38 13.446 0.014 12.906 0.010 - 15.50 0.01 V- - -0.02820 0.0053 0.05473 0.0053 61.6 7.5 8.2 18.46 18.5 4 in 2.59 0.54 5.56 3.88 8.4 faint Gaia DR3 entry w/o plx CWISE J210253.48-125901.1 D,Q,K -- 19.626 15.730 0.058 - -- - -0.17509 0.0820 -0.15469 0.0951 233.6 125.6 1.9 < 14.40 6 --- > 3.90 > 20.0 object's existence and motion still need to be confirmed CWISE J211422.40-425007.4 G,Q -- 17.332 0.068 15.764 0.051 - 19.58 0.10 V- - 0.12479 0.0539 -0.42764 0.0551 445.5 77.1 5.8 40.73 6 --- 3.82 1.57 15.4 bright star to SE likely not cpm (d = 41.3 pc, Gaia DR3); colors are consistent with sdT so distance estimate difficult CWISE J213322.07-174151.5 D,G,Q,L,O -- 18.595 0.240 15.442 0.044 17.186 0.261 15.442 0.044 K 18.05 0.03 P- 2020-Jun-03 -0.32528 0.0606 -0.28246 0.0562 430.8 82.6 5.2 23.80 18.62 23.8 1 out 2.61 1.74 3.15 18.8 17.8 CWISE W2 assumed for ch2 CWISE J214752.25+123858.7 Z,R,S,G,Q,K -- 17.540 0.081 15.343 0.037 - 18.73 0.12 U- - 0.22639 0.0417 0.11938 0.0436 255.9 60.3 4.2 26.93 17.6 6 out 3.39 2.20 16.9 J-W2 is more consistent with ~T8 --> d ~ 17.6 pc CWISE J215018.64-752053.9 13,2 18.0 -F 17.824 0.091 15.783 0.044 17.020 0.036 15.632 0.018 b 18.10 0.10 V- - 0.94177 0.0605 -0.25388 0.0574 975.4 83.4 11.7 31.28 34.96 24.2 5 out 2.32 1.39 2.04 16.6 16.9 common proper motion with brighter star w/ d = 24.2 pc (Gaia DR3) CWISE J215108.18+024623.3 D,Z,S,G -- 19.096 15.675 0.052 - 18.48 0.10 U- - 0.23354 0.0620 0.01507 0.0621 234.0 87.8 2.7 < 18.13 31.3 6 out 2.80 > 3.42 > 19.2 J-W2 suggests ~T7.5 --> d ~ 31.3 pc; large galaxy in field CWISE J215841.48+732842.8 1 -- 17.573 0.057 15.043 0.020 16.927 0.052 15.160 0.020 a 19.13 0.06 P- 2019-Jul-14 0.16136 0.0240 -0.06980 0.0211 175.8 32.0 5.5 15.92 20.64 20.52 18.3 1 in 4.09 1.77 2.53 17.7 17.8 18.8 CWISE J215859.63-085441.9 16 -- 14.45 12.92 10.303 0.013 10.060 0.009 - 11.21 0.02 10.71 0.03 22 - 0.07848 0.0044 -0.11231 0.0040 137.0 5.9 23.0 28.31 38.99 28.3 3 out 1.15 0.24 3.24 1.71 J_2MASS used as a proxy for J_MKO; Gaia DR3 entry w/o plx CWISE J220452.00+063343.4 Q -- 19.174 0.355 15.995 0.069 17.856 0.094 16.011 0.025 a -- - -0.10892 0.0873 -0.09917 0.0943 147.3 128.5 1.1 29.21 23.71 29.2 1 out 1.85 3.18 18.9 18.0 CWISE J221113.55+054006.6 K 16.0 -K 16.613 0.044 15.103 0.032 - 16.56 0.02 U- - -0.06274 0.0319 -0.08445 0.0303 105.2 44.0 2.4 30.59 20.5 6 out 1.46 1.51 15.2 measured type of T6 suggests d ~ 20.5 pc CWISE J221841.26+143002.2 2 -- 17.293 0.064 15.208 0.034 16.896 0.030 15.281 0.017 b 18.93 0.04 P- 2019-Jul-14 -0.32160 0.0414 -0.19183 0.0434 374.5 60.0 6.2 23.71 26.40 20.2 6 out 3.72 1.61 2.08 16.7 17.5 J-W2 is consistent with ~T8.5 --> d ~ 20.2 pc CWISE J221859.41+114642.7 2 17.0 -K 17.822 0.103 15.034 0.029 16.490 0.021 14.889 0.016 b 17.94 0.01 P- 2014-Sep-14 0.24068 0.0351 -0.32739 0.0402 406.3 53.4 7.6 19.94 18.28 29.4 6 out 2.91 1.60 2.79 18.2 17.4 measured type of T7 suggests d ~ 29.4 pc, but its spectrum hints at a subdwarf nature CWISE J222701.50+260450.0 D,Z -- 19.744 16.291 0.080 - 22.15 0.05 K- 2021-Aug-27 0.30251 0.1027 0.15370 0.1089 339.3 149.7 2.3 20.02 < 23.68 20.0 1 in 5.86 > 3.45 > 19.3 19.8 CWISE J223002.32+424655.3 D,S,G,Q,K -- 17.622 0.076 15.023 0.027 - 17.65 0.01 P- 2020-Sep-03 0.23521 0.0331 0.09954 0.0341 255.4 47.5 5.4 19.75 19.8 2 in 2.63 2.60 17.8 J-W2 is also consistent with ~T7.5 CWISE J223936.75+481633.5 D,S,Q -- 13.655 0.013 13.258 0.010 - 16.71 0.02 U- - 0.08195 0.0058 -0.00938 0.0057 82.5 8.1 10.1 29.0 6 out 3.45 0.40 J-W2 and W1-W2 suggest ~L7-8 --> d ~ 29.0 pc CWISE J224547.21-433341.5 a,2 -- 17.828 0.137 15.358 0.038 15.029 0.017 b 18.02 0.02 V- - 0.98440 0.0539 -0.24243 0.0527 1013.8 75.4 13.4 24.33 17.5 6 in 2.66 2.47 17.5 J-ch2 color suggests ~T8 --> d ~ 17.5 pc CWISE J224918.91-831135.8 Q -- 19.988 16.295 0.060 - 19.67 0.22 V- - 0.09153 0.0834 -0.01530 0.0770 92.8 113.5 0.8 < 20.89 6 --- 3.38 > 3.69 > 19.7 J-W2 color suggests <~T8.5, in conflict with W1-W2 color limit; object needs motion confirmation before estimating distance CWISE J225109.59-074037.2 1 -- 17.861 0.118 15.199 0.037 16.869 0.053 15.100 0.019 a 18.09 0.03 G- 2019-Apr-29 0.79613 0.0493 0.26368 0.0523 838.7 71.9 11.7 20.05 20.85 20.1 1 out 2.89 1.77 2.66 17.9 17.8 CWISE J225138.58-220429.5 L,G,Q -- 16.461 0.038 15.137 0.035 - -- - -0.32042 0.0352 0.08405 0.0327 331.3 48.0 6.9 32.85 32.9 2 out 1.32 14.5 additional color information is desirable CWISE J225208.98+555800.9 D,G -- 13.021 0.012 12.661 0.010 - 15.66 0.01 u- - 0.18880 0.0051 -0.04161 0.0044 193.3 6.7 28.7 21.5 6 out 3.00 0.36 J-W2 and W1-W2 suggest ~L6-7 --> d ~ 21.5 pc; J mag blended w/ bkg object, so J-W2 color may be bluer and distance larger CWISE J225525.22-302320.8 M,G,T -- 19.008 0.331 16.241 0.090 - -- - 0.37314 0.1185 0.14680 0.1225 401.0 170.4 2.4 32.17 32.2 2 out 2.77 18.1 CWISE J225832.95+312732.9 S,K -- 19.755 16.282 0.069 - 19.40 0.13 U- - 0.10471 0.1057 -0.11923 0.0993 158.7 145.0 1.1 < 23.34 34.7 6 out 3.12 > 3.47 > 19.3 J-W2 suggests ~T8 --> d ~ 34.7 pc CWISE J230930.81+145630.6 2 18.0 -M 18.209 0.143 15.597 0.046 16.867 0.027 15.455 0.018 b 17.75 0.04 U- - 0.68260 0.0646 -0.55861 0.0649 882.0 91.6 9.6 28.49 25.59 16.2 6 in 2.15 1.41 2.61 17.8 17.0 measured type of T8 and J mag suggest d ~ 16.2 pc CWISE J231228.31-205749.5 S,P,L,G,Q -- 18.615 0.229 15.406 0.042 - 19.19 0.01 K- 2021-Aug-27 0.41942 0.0579 0.09810 0.0601 430.7 83.5 5.2 17.82 20.8 6 out 3.78 3.21 18.9 J-W2 suggests ~T8.5 --> d ~ 20.8 pc CWISE J231403.13+693935.2 A,T,G,N,R,J 7.0 -K 20.57 18.91 12.797 0.012 12.379 0.009 - 14.23 0.05 -2 - 0.25654 0.0042 -0.10709 0.0037 278.0 5.6 49.7 16.20 23.3 5 out 0.42 6.5 CWISE J231819.17+692004.5 T,G,S,Q,L -- 16.808 0.040 14.850 0.021 - -- - 0.40509 0.0237 0.66273 0.0211 776.7 31.7 24.5 23.44 23.4 2 out 1.96 16.4 other color information needed CWISE J233008.80+493300.4 S,I -- 18.200 0.145 15.205 0.031 - 17.10 0.05 U- - -0.14271 0.0397 -0.00204 0.0401 142.7 56.4 2.5 18.00 33.1 6 out 1.90 2.99 18.6 J-W2 suggests an earlier type of ~T5 --> d ~ 33.1 pc CWISE J233135.66+644356.5 T -2.0 -K 18.62 16.66 11.601 0.010 11.352 0.008 - 12.61 0.03 -2 - 0.11751 0.0036 -0.01739 0.0032 118.8 4.8 24.7 29.7 5 out 0.25 CWISE J233817.04-732930.3 2 -- 18.924 0.223 15.493 0.032 17.628 0.052 15.525 0.018 b 19.23 0.04 G- 2015-Jun-30 0.72308 0.0467 -0.14966 0.0395 738.4 61.2 12.1 19.92 16.59 19.9 1 in 3.74 2.10 3.43 19.3 18.8 J-W2 also suggests ~T8.5; noisy spectrum gives type of >T6 (Meisner et al. 2020b) CWISE J233819.49-385421.2 D,H 10.0 -K 13.986 0.015 13.359 0.011 - 16.13 0.01 15.18 0.08 V2 - -0.05356 0.0066 -0.02410 0.0066 58.7 9.3 6.3 18.50 18.5 1 in 2.77 0.63 9.6 W1-W2-based type estimate matches the measured type CWISE J235117.23-413657.4 G,O,S -- 14.175 0.016 13.682 0.012 - 16.29 0.01 V- - -0.12559 0.0078 -0.05508 0.0074 137.1 10.8 12.8 33.0 6 out 2.61 0.49 7.7 J-W2 consistent with ~L6 --> d ~ 33.0 pc CWISE J235120.60-700026.2 2 -- 19.439 0.335 15.626 0.036 18.415 0.109 15.708 0.019 b 22.43 0.21 G- 2021-Jul-17 0.01608 0.0522 -0.13228 0.0491 133.3 71.7 1.9 12.50 13.60 14.38 13.1 1 in 6.80 2.71 3.81 19.9 20.6 20.2 likely a Y dwarf CWISE J235456.84-481441.4 2 -- 18.401 0.147 15.964 0.054 18.086 0.078 15.850 0.019 b 20.93 0.10 -- - 0.43667 0.0697 -0.33019 0.0715 547.5 99.9 5.5 20.38 21.14 32.60 20.8 1 out 4.97 2.24 2.44 17.5 19.2 19.3 CWISE J235458.33+410248.2 W,S,G -- 18.973 0.265 15.672 0.042 - 18.63 0.10 U- - -0.21742 0.0622 -0.12105 0.0606 248.8 86.8 2.9 19.24 24.3 1 out 2.96 3.30 19.1 J-W2 suggests ~T8 --> d ~ 24.3 pc CWISE J235713.17-630827.3 16 -5.0 K- 14.47 12.76 9.798 0.012 9.573 0.007 - 10.83 0.02 10.27 0.02 22 - -0.03229 0.0038 0.04222 0.0034 53.2 5.1 10.4 15.69 23.19 20.1 6 out 1.26 0.22 3.64 1.93 J2MASS used as a proxy for JMKO; two Gaia DR3 entries w/o plx; type of M5 w/ G and GRP values of brighter Gaia entry suggests d ~ 20.1 pc