Four New X-ray Pulsars Discovered in the Small Magellanic Cloud with Chandra

Details Four New X-ray Pulsars Discovered in the Small Magellanic Cloud with Chandra Four New X-ray Pulsars Discovered in the Small Magellanic Cloud with Chandra

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aas...20114406m&link_type=abstract

American Astronomical Society Meeting 201, #144.06; Bulletin of the American Astronomical Society, Vol. 35, p.570

Astronomy and Astrophysics

Astronomy

Scientific paper

The SMC has emerged as a vital laboratory for the detection and study of accreting X-ray pulsars. The opportunity to observe a nearby galaxy with relatively small angular size, little absorption, and recent star formation activity has rewarded investigators with the discovery of at least 30 known pulsars, most found in just the last few years. Our analysis of an archival Chandra X-ray Observatory observation of the SMC reveals four new members of this interesting population. Three are long-period pulsars, likely to be members of the Be-binary subclass. The fourth could be the first Anomalous X-ray Pulsar (AXP) to be found in the SMC. This paper describes the discovery of these four sources, and discusses their characteristics in the context of the full SMC pulsar population.

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