Discovery And Interpretation Of An X-ray Period In The Galactic Center Binary Source CXOGC J174536-2856

Details Discovery And Interpretation Of An X-ray Period In The Galactic Center Binary Source CXOGC J174536-2856 Discovery And Interpretation Of An X-ray Period In The Galactic Center Binary Source CXOGC J174536-2856

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.0307m&link_type=abstract

American Astronomical Society, AAS Meeting #211, #03.07; Bulletin of the American Astronomical Society, Vol. 39, p.724

Astronomy and Astrophysics

Astronomy

Scientific paper

We present X-ray and infrared observations of the X-ray source CXOGC J174536.1-2856 (hereafter, Edd-1). Previous observations suggest that Edd-1 may be an accreting binary or a colliding wind binary containing a massive star. Based on the Chandra and XMM-Newton light curve, we have found an apparent 189 ± 6 day periodicity with better than 99.997% confidence. If the change in X-ray flux is interpreted as an X-ray eclipse associated with an orbital period, then Edd-1 is likely a high-mass X-ray binary.
This work is supported in part by an NSF Grant (AST-0507547).

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