An Infrared Imaging Survey of the Faint Chandra Sources near the Galactic Centre

Details An Infrared Imaging Survey of the Faint Chandra Sources near the Galactic Centre An Infrared Imaging Survey of the Faint Chandra Sources near the Galactic Centre

2005-09-13

arxiv.org/abs/astro-ph/0509346v1

Mon.Not.Roy.Astron.Soc.364:1195-1202,2005

Astronomy and Astrophysics

Astrophysics

Accepted for publication in MNRAS, version with full-resolution figures available at http://www-astro.physics.ox.ac.uk/~rmb/rm

Scientific paper

10.1111/j.1365-2966.2005.09607.x

We present near-IR imaging of a sample of the faint, hard X-ray sources discovered in the 2001 Chandra ACIS-I survey towards the Galactic Centre (GC) (Wang et al. 2002). These ~800 discrete sources represent an important and previously undetected population within the Galaxy. From our VLT observations of 77 X-ray sources, we identify candidate K-band counterparts to 75% of the Chandra sources in our sample. The near-IR magnitudes and colours of the majority of candidate counterparts are consistent with highly reddened stars, indicating that most of the Chandra sources are likely to be accreting binaries at or near the GC.

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