SLX 1737-282 is a persistent moderately bright X-ray source 1.°2 from the Galactic center. X-ray observations with the Wide Field Cameras on BeppoSAX have for the first time revealed the true nature of SLX 1737-282: a 15 min long thermonuclear flash was detected exposing the source as a neutron star in a binary system. The flash was Eddington-limited constraining the distance to between 5 and 8 kpc. We analyze BeppoSAX, ROSAT, and RXTE data on SLX 1737-282. The persistent 0.5-200 keV luminosity is close to or less than 1% of the Eddington limit which implies a rarely-seen circumstance for thermonuclear flash activity.
CITATION STYLE
In’t Zand, J. J. M., Verbunt, F., Kuulkers, E., Markwardt, C. B., Bazzano, A., Cocchi, M., … Ubertini, P. (2002). Discovery of the neutron star nature of SLX 1737-282. Astronomy and Astrophysics, 389(2). https://doi.org/10.1051/0004-6361:20020631
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