Optical/infrared observations of the X-ray burster KS1731–260 in quiescence

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Table 3:

Magnitudes of KS 1731-260 for the three epochs in quiescence.
Date	mag
2001 June 28	$r'=23.6\pm 0.4$
	$i'=22.3\pm 0.4$
	$z'=21.0\pm0.4$
2001 July 09	$H=17.7\pm0.2$
	$K=16.7\pm0.3$
2001 July 13	$J=18.6\pm0.2$ ^*
2007 April 26	$R =22.8\pm 0.1$
2007 April 27	$I=20.9\pm0.1$
2007 July 16	$R=23.0\pm0.3$
	$i=22.5\pm0.2$

Notes. ^(*) Magnitude J from Orosz et al. (2001).

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