Candidate free-floating super-Jupiters in the young σ Orionis open cluster

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Volume 506 / No 3 (November II 2009)

A&A, 506 3 (2009) 1169-1182

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Table 1:

Coordinates and depth of the LRIS images^a.
ID	$\alpha$ $\delta$	Filter	$m_{\rm cmp}$ , $m_{\rm lim}$
	(J2000) (J2000)		(mag)
1998i1	05 38 16.6 -02 37 53	I	23.6, 24.5
1998i2	05 38 21.0 -02 47 59	I	23.5, 24.4
1998i3	05 38 56.4 -02 38 57	I	23.5, 24.1
1998i4	05 39 21.2 -02 37 54	I	23.5, 24.4
1998i5	05 39 56.4 -02 34 00	I	23.6, 24.4
1998z1	05 38 16.6 -02 37 53	Z	22.1, 22.9
1998z2	05 38 21.0 -02 47 59	Z	22.4, 23.3
1998z3	05 38 56.4 -02 38 57	Z	22.4, 23.3
1998z4	05 39 21.2 -02 37 54	Z	22.5, 23.4
1998z5	05 39 56.4 -02 34 00	Z	22.4, 23.3
2000i1	05 38 17.4 -02 37 48	I	23.8, 24.6
2000i2	05 38 21.4 -02 48 03	I	23.5, 24.5
2000i3	05 38 55.2 -02 38 52	I	23.3, 24.3
2000i4	05 39 20.3 -02 37 58	I	23.7, 24.5
2000i5	05 39 57.2 -02 34 04	I	23.6, 24.7

^a The pixel scale is 0.210 arcsec ${\rm pixel}^{-1}$ and the field of view in the $\alpha$ - $\delta$ frame is 5.8 $\times$ 7.2 $\sim$ arcmin². For the images 1998[i, z]3, 2000i[1, 2, 4, 5], and 2000i3, this field of view is rotated $\sim$ 16, 90, and 105 deg counterclockwise, respectively.

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