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Table 1

Photometry in the Vega system for our sample of T dwarfs from VHS DR1 and the WISE Preliminary data release: objects with and without spectra are listed in the top and bottom panel.

RA (J2000) Dec (J2000) I z Y J H K s w1 w2 SpT dist Inst. μαcosδ μ δ N ep
hh:mm:ss.ss °:′:′′ mag mag mag mag mag mag mag mag pc mas/yr mas/yr
04:15:21.21 −09:35:00.6 —±— —±— 16.438  ±  0.009 15.343  ±  0.004 15.666  ±  0.012 15.658  ±  0.023 15.095  ±  0.042 12.240  ±  0.026 T8.0 5.83  ±  1.26 — — — —
12:58:04.89 −44:12:32.4 —±— —±— —±— 15.999  ±  0.011 —±— 16.164  ±  0.045 15.739  ±  0.071 14.002  ±  0.049 T6.0 14.45  ±  1.80 FIRE +113.1  ±  06.1 −178.4  ±  09.1 11
14:33:11.46 −08:37:36.3 —±— —±— 20.141  ±  0.252 19.139  ±  0.154 19.217  ±  0.142d —±— 18.229  ±  — 14.971  ±  0.114 T8.0 33.48  ±  10.17 FIRE — — —
15:43:52.78 −04:39:09.6 22.02  ±  0.15a 20.95  ±  0.27c 17.625  ±  0.019 16.445  ±  0.009 16.453  ±  0.017 16.434  ±  0.040 15.916  ±  0.071 14.351  ±  0.063 T4.5 22.09  ±  1.21 FIRE −65.8  ±  07.3 −14.9  ±  05.0 17
16:22:08.94 −09:59:34.6 20.86  ±  0.50b 20.72  ±  0.11c —±— 16.218  ±  0.011 —±— 16.448  ±  0.155 16.251  ±  0.102 14.016  ±  0.054 T6.0 15.99  ±  1.98 XSHb +76.9  ±  11.5 +59.5  ±  09.5 11
19:29:34.18 −44:25:50.5 —±— —±— —±— 17.129  ±  0.022 —±— 16.841  ±  0.076 16.376  ±  0.092 14.958  ±  0.083 T4.0 31.58  ±  1.72 XSH — — —
20:51:59.38 −55:08:43.9 —±— —±— —±— 19.280  ±  0.083 19.704  ±  0.281 19.216  ±  0.380 17.791  ±  — 15.524  ±  0.150 T7.0 51.10  ±  11.42 FIRE — — —
02:37:56.24 −06:31:42.9 —±— —±— —±— 17.555  ±  0.019 17.588  ±  0.046 17.549  ±  0.080 17.080  ±  0.170 15.481  ±  0.152 — — — — — —
05:18:59.64 −54:49: 3.2 —±— —±— —±— 18.554  ±  0.057 19.116  ±  0.220 —±— 18.853  ±  0.427 15.739  ±  0.090 — — — — — —
12:21:48.51 −43:32:14.8 —±— —±— —±— 18.837  ±  0.144 —±— —±— 16.321  ±  0.092 14.784  ±  0.075 — — — — — —
13:25:47.18 −43:40:41.9 —±— —±— —±— 18.793  ±  0.140 —±— —±— 16.841  ±  0.170 15.265  ±  0.136 — — — — — —
16:42:35.32 −09:30:20.6 —±— —±— —±— 18.677  ±  0.076 —±— 18.531  ±  0.303 16.706  ±  0.163 15.155  ±  0.126 — — —e — — —
19:55:50.12 −44:15:14.2 —±— —±— —±— 17.405  ±  0.042 —±— —±— 17.314  ±  0.193 15.043  ±  0.096 — — — — — —

Notes. 

(a)

2σ confidence detection limit in Johnson I (Vega system) from CAMELOT.

(b)

Marginal detection in Johnson I (Vega system) from CAMELOT; the Sloan i detection is 21.48 ± 0.12 mag (AB system).

(c)

2σ confidence detection limit in SDSS z (AB system) from CAMELOT.

(d)

Calar Alto 3.5-m/Omega2000 H-band photometry (Vega system).

(e)

A low signal-to-noise spectrum (30 min on-source integration) obtained with the Gemini-North Near-Infrared Integral Field Spectrometer (NIFS) indicates that it has a fairly flat spectrum that is not consistent with a T dwarf or an L dwarf.

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