# # T Dwarf photometric/astrometric data # Last updated 14 Jan 2005 by Adam J Burgasser # Data are organized as follows: # [1-18] Object Name # [20] Offset position flag # [21-31] Right Ascension (Equ. J2000) # [33-43] Declination (Equ. J2000) # [45-51] Astronomical Epoch # [53] Spectral type uncertainty flag # [54-59] Spectral type (based on B02a or G02 schemes) # [61] J magnitude flag (1) # [63-67] 2MASS J magnitude # [69-72] 2MASS J magnitude uncertainty # [74] H magnitude flag (1) # [76-80] 2MASS H magnitude # [82-85] 2MASS H magnitude uncertainty # [87] Ks magnitude flag (1) # [89-93] 2MASS Ks magnitude # [95-98] 2MASS Ks magnitude uncertainty # [100] Origin of parallax (2) # [102-106] Parallax in arcseconds # [108-112] Parallax uncertainty in arcseconds # [114] Origin of proper motion (3) # [116-120] Proper motion in arcseconds/year # [122-126] Proper motion uncertainty in arcseconds/year # [128-130] Proper motion angle E from N in degrees # [132-150] Discovery and Measurement References # Please see below for explanatory notes # #---------------------------------------------------------------------------------------------------------------------------------------------------- # NAME RA DECL EPOCH SPT J e H e Ks e PLX e PM e PHI REF #---------------------------------------------------------------------------------------------------------------------------------------------------- SDSS 0000+2554 00 00 13.54 +25 54 18.0 1998.76 T4.5 15.06 0.04 14.73 0.07 14.84 0.12 K04 2MASS 0034+0523 00 34 51.57 +05 23 05.0 2000.67 T7 15.54 0.05 15.44 0.08 > 16.2 b 0.68 0.06 72 B04 SDSS 0151+1244 01 51 41.55 +12 44 30.0 1997.70 T1 16.57 0.13 15.60 0.11 15.18 0.19 v 0.047 0.003 v 0.743 0.004 93 G02,V04 SDSS 0207+0000 02 07 42.84 +00 00 56.4 2000.63 T4.5 16.80 0.16 > 16.40 > 15.4 v 0.035 0.010 v 0.156 0.011 96 G02,V04 Gliese 86B o02 10 25.87 -50 49 25.8 1999.82 :T e 14.70 0.20 e 14.40 0.20 e 14.20 0.30 h 0.092 0.001 h 2.193 0.002 73 E01 IFA 0226+0051 02 26 37.60 +00 51 54.7 2001.81 T3.5 m 18.17 0.03 m 17.83 0.04 L02 2MASS 0243-2453 02 43 13.71 -24 53 29.8 1998.87 T6 15.38 0.05 15.14 0.11 15.22 0.17 v 0.094 0.004 v 0.355 0.004 234 B02,V04 2MASS 0348-6022 03 48 07.72 -60 22 27.0 1999.89 T7p 15.32 0.05 15.56 0.14 15.60 0.23 b 0.77 0.04 201 B03c 2MASS 0407+1514 04 07 08.85 +15 14 56.5 1999.90 T5.5 16.06 0.09 16.02 0.21 15.92 0.26 B04 2MASS 0415-0935 04 15 19.54 -09 35 06.6 1998.87 T8 15.70 0.06 15.54 0.11 15.43 0.20 v 0.174 0.003 v 2.255 0.003 76 B02,V04 SDSS 0423-0414AB 04 23 48.58 -04 14 03.5 1998.73 :T0 14.47 0.03 13.46 0.04 12.93 0.03 v 0.066 0.002 v 0.333 0.003 284 G02,V04,B05 2MASS 0516-0445 05 16 09.45 -04 45 49.9 1998.72 T5.5 15.98 0.08 15.72 0.17 15.49 0.20 b 0.34 0.03 232 B03c 2MASS 0518-2828AB 05 18 59.95 -28 28 37.2 1999.02 :L/T 15.98 0.10 14.83 0.07 14.16 0.07 C04 SORI 0538-0236 05 38 10.1 -02 36 26 2000.85 :T6 z 20.28 0.10 z 20.42 0.11 z 19.78 0.17 Z02 2MASS 0559-1404 05 59 19.14 -14 04 48.8 1998.96 T5 13.80 0.02 13.68 0.04 13.58 0.05 d 0.098 0.001 d 0.661 0.001 122 B00b,D02 Gliese 229B o06 10 34.62 -21 51 52.1 1999.04 T6.5 l 14.32 0.05 l 14.35 0.05 l 14.42 0.05 h 0.173 0.001 h 0.727 0.001 191 N95 2MASS 0727+1710 07 27 18.24 +17 10 01.2 1997.83 T7 15.60 0.06 15.76 0.17 15.56 0.19 v 0.110 0.002 v 1.297 0.005 126 B02,V04 SDSS 0741+2351 07 41 49.20 +23 51 27.5 1997.93 T5.5 16.16 0.10 15.84 0.19 > 15.9 K04 SDSS 0742+2055 07 42 01.30 +20 55 19.8 1997.93 T5 16.19 0.09 15.91 0.18 > 15.2 K04 2MASS 0755+2212 07 55 47.95 +22 12 16.9 1998.83 T5 15.73 0.06 15.67 0.15 15.75 0.21 B02 SDSS 0758+3247 07 58 40.37 +32 47 24.5 1998.35 :T2 14.95 0.04 14.11 0.04 13.88 0.06 K04 SDSS 0830+0128 08 30 48.78 +01 28 31.1 2000.08 T5.5 16.29 0.11 16.14 0.21 > 16.4 K04 SDSS 0837-0000 08 37 17.21 -00 00 18.0 2000.11 T0.5 l 17.08 0.05 l 16.15 0.05 l 16.04 0.05 v 0.034 0.014 v 0.173 0.017 185 L00,V04 SDSS 0926+5847AB 09 26 15.37 +58 47 21.2 2000.22 T4.5 15.90 0.07 15.31 0.10 15.45 0.19 b 0.3 G02,B03a,B05 2MASS 0937+2931 09 37 34.87 +29 31 40.9 2000.26 T6p 14.65 0.04 14.70 0.07 15.27 0.13 v 0.163 0.004 v 1.622 0.007 143 B02,V04 SDSS 1021-0304AB 10 21 09.69 -03 04 19.7 1998.94 T3 16.25 0.09 15.35 0.10 15.13 0.17 t 0.034 0.005 t 0.183 0.003 249 L00,T03,B05 2MASS 1047+2124 10 47 53.85 +21 24 23.4 1998.08 T6.5 15.82 0.06 15.80 0.12 > 16.4 v 0.095 0.004 v 1.728 0.008 254 B99,V04 SDSS 1110+0116 11 10 10.01 +01 16 13.0 2000.12 T6 16.34 0.12 15.92 0.14 > 15.1 G02 SDSS 1157+0611 11 57 00.50 +06 11 05.2 T1.5 m 17.09 0.05 m 16.45 0.05 m 16.00 0.05 K04 NTTDF 1205-0744 12 05 20.21 -07 44 01.0 1997.16 :T5 c 20.15 c 20.30 C99 SDSS 1207+0244 12 07 47.17 +02 44 24.9 2000.14 :T0 15.58 0.07 14.56 0.07 13.99 0.06 K04 2MASS 1209-1004 12 09 56.13 -10 04 00.8 1999.10 T3 15.91 0.07 15.33 0.09 15.06 0.14 b 0.46 0.10 140 B04 2MASS 1217-0311 12 17 11.10 -03 11 13.1 1999.08 T7.5 15.86 0.06 15.75 0.12 > 15.9 t 0.091 0.002 t 1.057 0.002 274 B99,T03 2MASS 1225-2739AB 12 25 54.32 -27 39 46.6 1998.51 :T6/T8 15.26 0.05 15.10 0.08 15.07 0.15 t 0.075 0.003 t 0.737 0.003 149 B99,B03b,T03 2MASS 1231+0847 12 31 47.53 +08 47 33.1 2000.31 T6 15.57 0.07 15.31 0.11 15.22 0.20 t 1.61 0.07 133 B04,K04,T05 2MASS 1237+6526 12 37 39.19 +65 26 14.8 1999.20 T6.5e 16.05 0.09 15.74 0.15 > 16.1 v 0.096 0.005 v 1.131 0.009 242 B99,V04 SDSS 1254-0122 12 54 53.93 -01 22 47.4 1999.07 T2 14.89 0.04 14.09 0.03 13.84 0.05 d 0.085 0.002 d 0.496 0.002 285 L00,D02 SDSS 1346-0031 13 46 46.34 -00 31 50.1 2001.09 T6 16.00 0.10 15.46 0.12 15.77 0.27 t 0.068 0.002 t 0.516 0.003 257 T00,T03 Gliese 570D 14 57 14.96 -21 21 47.7 1998.38 T8 15.32 0.05 15.27 0.09 15.24 0.16 h 0.169 0.002 h 2.012 0.001 149 B00a 2MASS 1503+2525 15 03 19.61 +25 25 19.6 1999.39 T5.5 13.94 0.02 13.86 0.03 13.96 0.06 B03a SDSS 1516+0259 15 16 03.03 +02 59 29.2 2000.32 :T0 17.23 0.20 16.00 0.15 15.43 0.18 K04 SDSS 1521+0131 15 21 03.27 +01 31 42.6 2000.32 T2 16.40 0.10 15.58 0.10 15.35 0.17 K04 2MASS 1534-2952AB 15 34 49.84 -29 52 27.4 1998.52 T5.5 14.90 0.05 14.87 0.10 14.84 0.11 t 0.074 0.001 t 0.269 0.002 159 B02,B03b,T03 2MASS 1546-3325 15 46 27.18 -33 25 11.1 1998.52 T5.5 15.63 0.05 15.45 0.09 15.49 0.18 t 0.088 0.002 t 0.225 0.002 33 B02,T03 2MASS 1553+1532AB 15 53 02.28 +15 32 36.9 1998.15 T7 15.83 0.07 15.94 0.16 15.51 0.18 B02,B05 SDSS 1624+0029 16 24 14.36 +00 29 15.8 1999.31 T6 15.49 0.05 15.52 0.10 > 15.5 d 0.092 0.002 d 0.383 0.002 270 S99,D02 SDSS 1632+4150 16 32 29.34 +41 50 04.3 :T1 m 16.87 0.05 m 16.42 0.05 m 16.19 0.05 K04 SDSS 1750+4222 17 50 23.85 +42 22 37.3 1998.44 T1 16.47 0.10 15.42 0.09 15.48 0.17 K04 SDSS 1750+1759 17 50 32.93 +17 59 04.2 1999.23 T3.5 16.34 0.10 15.95 0.13 15.48 0.19 v 0.036 0.005 v 0.204 0.008 61 G02,V04 SDSS 1758+4633 17 58 05.45 +46 33 09.9 1998.44 T7 16.15 0.09 16.25 0.22 15.47 0.19 K04 2MASS 1828-4849 18 28 35.72 -48 49 04.6 2000.77 T6 15.18 0.06 14.91 0.07 15.18 0.14 b 0.33 0.07 50 B04 2MASS 1901+4718 19 01 06.01 +47 18 13.6 1998.47 T5 15.86 0.07 15.47 0.09 15.64 0.29 b 0.38 0.22 17 B04 SDSS 2124+0100 21 24 13.87 +00 59 59.9 2000.63 T6 16.03 0.07 16.18 0.20 > 16.1 K04 2MASS 2139+0220 21 39 26.76 +02 20 22.6 2000.54 T2p 15.26 0.05 14.17 0.05 13.58 0.05 C05 2MASS 2151-4853 21 51 38.39 -48 53 54.2 1999.72 T7 15.73 0.07 15.17 0.10 15.43 0.18 B05 Eps Ind BC 22 04 10.52 -56 46 57.7 1999.86 T1/T6 11.91 0.02 11.31 0.02 11.21 0.02 h 0.276 0.001 h 4.705 0.001 327 S03,M04 2MASS 2228-4310 22 28 28.89 -43 10 26.2 1998.90 T6.5 15.66 0.07 15.36 0.12 15.30 0.21 b 0.31 0.03 175 B04 2MASS 2254+3123 22 54 18.92 +31 23 49.8 1998.48 T4 15.26 0.05 15.02 0.08 14.90 0.15 B02 2MASS 2331-4718 23 31 23.78 -47 18 27.4 2000.80 T5 15.66 0.07 15.51 0.15 15.39 0.20 t 0.20 0.07 242 B04,T05 2MASS 2339+1352 23 39 10.25 +13 52 28.4 2000.91 T5.5 16.24 0.11 15.82 0.15 16.15 0.31 b 0.83 0.11 159 B02,B03a 2MASS 2356-1553 23 56 54.77 -15 53 11.1 1998.55 T6 15.82 0.06 15.63 0.10 15.77 0.18 v 0.069 0.003 v 0.746 0.003 216 B02,V04 #---------------------------------------------------------------------------------------------------------------------------------------------------- # # Notes: # (1) Upper limits are indicated by (>); photometry not originally from 2MASS are as follows: # c - JK photometry from C99 # e - JHK photometry from E01 # l - UKIRT JHK photometry from Leggett et al. 1999, ApJ 517, L139 or L00 # m - MKO JHK photometry from L02 or K04 # z - JHK photometry from Z02 # (2) Parallaxes from the following sources: # d - Dahn et al. 2002, AJ 124, 1170 # h - HIPPARCHOS; Perryman et al. 1997, A&A 323, L49 # t - Tinney, Burgasser, & Kirkpatrick 2003, AJ 126, 975 # v - Vrba et al. 2004, AJ 127, 2948 # (3) Proper motions from the following sources: # b - B03a, B03b, B04 # d - Dahn et al. 2002, AJ 124, 1170 # h - HIPPARCHOS; Perryman et al. 1997, A&A 323, L49 # t - Tinney, Burgasser, & Kirkpatrick 2003, AJ 126, 975 or T05 # v - Vrba et al. 2004, AJ 127, 2948 # # References: # (B99) Burgasser et al. 1999, ApJ 522, L65 # (B00a) Burgasser et al. 2000a, ApJ 531, L57 # (B00b) Burgasser et al. 2000b, AJ 120, 1100 # (B02) Burgasser et al. 2002, ApJ 564, 421 # (B03a) Burgasser et al. 2003a, AJ 125, 850 # (B03b) Burgasser et al. 2003b, ApJ 586, 512 # (B03c) Burgasser, McElwain, & Kirkpatrick 2003c, AJ 126, 2487 # (B04) Burgasser et al. 2004, AJ 127, 2856 # (B05) Burgasser et al. 2005, in preparation # (D02) Dahn et al. 2002, AJ 124, 1170 # (C99) Cuby et al. 1999, A&A 349, L41 # (C04) Cruz et al. 2004, ApJ 604, L61 # (C05) Cruz et al. 2005, in preparation # (E01) Els et al. 2001, A&A 370, L1 # (G02) Geballe et al. 2002, ApJ 564, 466 # (K04) Knapp et al. 2004, AJ 127, 3553 # (L00) Leggett et al. 2000, ApJ 536, L35 # (L02) Liu et al. 2002, ApJ 568, L107 # (M04) McCaughrean et al. 2004, A&A 413, 1029 # (N95) Nakajima et al. 1995, Nature 378, 463 # (S99) Strauss et al. 1999, ApJ 522, L61 # (S03) Scholz et al. 2003, A&A 398, L29 # (T00) Tsvetanov et al. 2000, ApJ 531, L61 # (T03) Tinney, Burgasser, & Kirkpatrick 2003, AJ, 126, 975 # (T05) Tinney et al. 2005 in preparation # (V04) Vrba et al. 2004, AJ 127, 2948 # (Z02) Zapatero Osorio et al. 2002 ApJ 578, 536 #