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2002A&A...389L..43I - Astronomy and Astrophysics, volume 389, L43-46 (2002/7-2)
Discovery of the neutron star nature of SLX 1737-282.
IN'T ZAND J.J.M., VERBUNT F., KUULKERS E., MARKWARDT C.B., BAZZANO A., COCCHI M., CORNELISSE R., HEISE J., NATALUCCI L. and UBERTINI P.
Abstract (from CDS):
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 0.5-200keV luminosity is close to or less than 1% of the Eddington limit which implies a rarely-seen circumstance for thermonuclear flash activity.
Abstract Copyright: ∼
Journal keyword(s): accretion, accretion disks - binaries: close - X-rays: stars: individual: SLX 1737-282, 2E 1737.5-2817, 1RXS J174043.1-281806, RX J1740.7-2818, AX J1740.7-2818
Simbad objects: 4
