Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mnras.252..203n&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 252, Sept. 15, 1991, p. 203-209.
Astronomy and Astrophysics
Astronomy
31
Astrometry, Galactic Bulge, Infrared Astronomy, X Ray Binaries, Color-Color Diagram, Color-Magnitude Diagram, Stellar Mass, Variability
Scientific paper
The first IR imaging of bright Galactic Bulge X-ray source fields is presented. In spite of the extreme crowding in these regions, found plausible candidates are found for the IR counterparts of GX17 + 2, GX13 + 1, and GX5 - 1. The optical/IR colors of the star at the radio position of GX17 + 2 cannot be reconciled with a normal star. It is suggested that there is a normal star superimposed on the IR counterpart of GX17 + 2, and the normal star dominates the optical flux, but GX17 + 2 makes a significant contribution to the combined flux in the IR. Bright IR objects are found within the radio error boxes of GX13 + 1 (K = 11) and GX5 - 1 (K of about 13.5) whose presence in small radio error boxes suggests that they are the IR counterparts of their respective X-ray sources.
Charles Phil A.
Longmore Andrew J.
Naylor Tim
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