SIMBAD references

1999MNRAS.309..421S - Mon. Not. R. Astron. Soc., 309, 421-429 (1999/October-3)

The optical counterparts to Be/X-ray binaries in the Magellanic Clouds.

STEVENS J.B., COE M.J. and BUCKLEY D.A.H.

Abstract (from CDS):

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.

Abstract Copyright: 1999, Royal Astronomical Society

Journal keyword(s): binaries: general - stars: emission-line, Be - pulsars: general - Magellanic Clouds - infrared: stars - X-rays: stars

Nomenclature: Figs 1, 2: [SCB99b] RX J0032.9-7348 N (Nos 1-3), [SCB99b] RX J0049.1-7250 N (Nos 1-2), [SCB99b] RX J0051.8-7231 N (Nos 1-2), [SCB99b] RX J011.0-7206 N (Nos 1-3), [SCB99b] RX J0101.0-7206 N (Nos 1-3), [SCB99b] EXO 0531.1-6609 N (Nos 1-2), [SCB99b] H 0544-665 N (No. 1).

Status at CDS : All or part of tables of objects will not be ingested in SIMBAD.

CDS comments: Text and Fig.1: RX J0101.0-7321 misprint for RX J0101.0-7206 (see T.1). Fig.1(h): [JBD79] H 0544-665 1.

Simbad objects: 17

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