Discovery of two transient X-ray pulsars in the small magellanic cloud

Details Discovery of two transient X-ray pulsars in the small magellanic cloud Discovery of two transient X-ray pulsars in the small magellanic cloud

Oct 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aipc..587...49l&link_type=abstract

GAMMA 2001: Gamma-Ray Astrophysics 2001. AIP Conference Proceedings, Volume 587, pp. 49-53 (2001).

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X-Ray Binaries, Pulsars, X-Ray Sources, X-Ray Bursts, Magellanic Clouds And Other Irregular Galaxies

Scientific paper

Recent RXTE observations of the SMC have revealed two previously unknown transient X-ray pulsars with pulse periods of 95s and 4.78s. The sources are proposed as Be/neutron star systems on the basis of their pulsations, transient nature and characteristically hard spectra. Optical observations indicate an Hα emission-line star as a candidate optical counterpart. These results add to the emerging picture of the SMC as containing an extremely dense population of transient HMXBs, only a fraction of which are active at any one time. .

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