A search for near infrared counterparts of three pulsar wind nebulae

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Table 2

X-ray and optical positions (90% uncertainties) and optical apparent magnitudes for the three X-ray point sources (first lines) and the nearby optical sources (numbered lines), as labelled in Fig. 1.

Source
(optical source)	RA	Declination	Error (″)	Magnitudes

IGR J14003−6326^a	14:00:45.69	−63:25:42.6	0.64
(1)	14:00:45.45	−63:25:41.8	0.3	J = 18.6 ± 0.2, i = 20.90 ± 0.15

HESS J1632 − 478^b	16:32:08.8	−47:49:01	1.6
(1)	16:32:09.06	−47:49:01.6	0.3	K_S = 16.74 ± 0.05
(2)	16:32:08.47	−47:49:00.6	0.16	K_S = 11.35 ± 0.01, K^† = 11.695 ± 0.040,H^† = 13.284 ± 0.065

IGR J18490 − 0000^c	18:49:01.59	−00:01:17.73	0.6
(1)	18:49:01.57	−00:01:17.6	0.3	K_S = 17.2 ± 0.4
(2)	18:49:01.52	−00:01:16.9	0.2	K_S = 15.58 ± 0.05

References. References to X-ray positions:

Tomsick et al. (2009),

Balbo et al. (2010),

Ratti et al. (2010).

^†

2MASS magnitudes.

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