Hip 63510C, Hip 73786B, and nine new isolated high proper motion T dwarf candidates from UKIDSS DR6 and SDSS DR7

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Table 6:

Proper motions of known T dwarfs in mas/yr.
Object	SpT (Ref)	$\mu_{\alpha}\cos{\delta}$	$\mu_{\delta}$	$\varepsilon$
SDSS J0325+04	T5.5 (1)	-185 $\pm$ 06	+15 $\pm$ 07	27
2MASSI J0755+22	T5.0 (2)	-13 $\pm$ 03	-241 $\pm$ 05	11
SDSS J0830+01	T4.5 (2)	+214 $\pm$ 06	-329 $\pm$ 09	08
2MASS J1231+08	T5.5 (2)	-1185 $\pm$ 09	-1050 $\pm$ 12	14
SDSS J1504+10	T7.0 (1)	+338 $\pm$ 13	-350 $\pm$ 11	21
2MASSI J2339+13	T5.0 (2)	+380 $\pm$ 05	-971 $\pm$ 05	12

Notes. Proper motions as obtained from linear fitting of UKIDSS, SDSS, and (if available) 2MASS and DENIS positions. $\varepsilon$ are the expected errors (see text). For full names and references, see Gelino et al. (2009). Spectral type (SpT) references (Ref): (1) - Chiu et al. (2006); (2) - Burgasser et al. (2006b).

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