Computer Science
Scientific paper
Oct 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999mnras.309..421s&link_type=abstract
Monthly Notices, Volume 309, Issue 2, pp. 421-429.
Computer Science
36
Scientific paper
The fields of eight X-ray sources in the Magellanic Clouds believed to be Be/X-ray binaries have been searched for possible Be-star counterparts. BVRc and Hα CCD imaging was employed to identify early-type emission stars through colour indices and Hα fluxes. Spectroscopy of five sources confirms the presence of Hα emission in each case. Based on the positional coincidence of emission-line objects with the X-ray sources, we identify Be-star counterparts to the ROSAT sources RX J0032.9-7348, RX J0049.1-7250, RX J0054.9-7226 and RX J0101.0-7206, and to the recently discovered ASCA source AX J0051-722. We confirm the Be star nature of the counterpart to the HEAO1 source H0544-66. In the field of the ROSAT source RX J0051.8-7231 we find that there are three possible counterparts, each showing evidence for Hα emission. We find a close double in the error circle of the EXOSAT source EXO 0531.1-6609, each component of which could be a Be star associated with the X-ray source.
Buckley David A. H.
Coe Malcolm J.
Stevens Jamie B.
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