Optical linear polarization in ultra cool dwarfs - A tool to probe dust in the ultra cool dwarf atmospheres

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Table 1:

Target list.
Object	RA	Dec.	${\it SpT}$	R	I	J	d	H $\alpha$	Ref.
				(mag)	(mag)	(mag)	(pc)	EW( $\AA$ )
2MASSW J1438082+640836	14 38 08.2	+64 08 36	M9.5	...	16.8	12.92	7.2 $\pm$ 0.5	-2.36	1
2MASSW J1507476-162738	15 07 47.69	-16 27 38.6	L5	18.9	16.5	12.8	7.33 $\pm$ 0.03	-5.01	3, 4, 5
2MASS J17312974+2721233	17 31 29.74	+27 21 23.3	L0	...	...	12.09	11.80 $\pm$ 0.70	-5.98	1,2
2MASSI J1807159+501531	18 07 15.93	+50 15 31.6	L1.5	...	...	12.96	14.6 $\pm$ 1.0	-1.38	1, 2, 3

Note: Ref.- 1. Schmidt et al. (2007), 2. Jameson et al. (2007), 3. Cruz et al. (2003), 4. Reid, et al. (2000), 5. Knapp et al. (2004). H $\alpha$ EW from Schmidt et al. (2007).

Source LaTeX | All tables | In the text

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