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27 April 2024 |
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Discovery of the neutron star nature of SLX 1737-282 | | J.J.M. in ’t Zand
; F. Verbunt
; E. Kuulkers
; C. Markwardt
; A. Bazzano
; M. Cocchi
; R. Cornelisse
; J. Heise
; L. Natalucci
; P. Ubertini
; | | Date: |
25 Apr 2002 | | Subject: | astro-ph | | Affiliation: | 1,2), F. Verbunt , E. Kuulkers (1,2), C. Markwardt (3,4), A. Bazzano , M. Cocchi , R. Cornelisse (1,2), J. Heise , L. Natalucci , P. Ubertini ( Utrecht University, SRON, NASA-GSFC, University of Maryland, IASF at Rome | | Abstract: | SLX 1737-282 is a persistent moderately bright X-ray source 1.2 deg 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. | | Source: | arXiv, astro-ph/0204433 | | Services: | Forum | Review | PDF | Favorites | |
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