Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000a%26a...361..823f&link_type=abstract
Astronomy and Astrophysics, v.361, p.823-826 (2000)
Astronomy and Astrophysics
Astrophysics
10
Galaxies: Magellanic Clouds, Ism: Individual Objects: Ax J0049-732, Snr B0047-735, Ism: Supernova Remnants, Stars: Binaries: General, X-Rays: Galaxies
Scientific paper
We present a high-resolution multi-frequency identification study of the Small Magellanic Cloud (SMC) region around the newly discovered X-ray pulsar AX J0049-732. ROSAT PSPC images show three X-ray sources near the ASCA source position. We combine X-ray, radio-continuum and optical data to identify these sources. RX J0049.2-7311 and RX J0049.5-7310 did not show long-term time variability nor pulsations during the ROSAT observations and both are not detected in the radio. We identify RX J0049.5-7310 with an emission line star in the catalogue of Meyssonier & Azzopardi (1993). This catalogue contains several known Be/X-ray binaries strongly suggesting the ROSAT source as new Be/X-ray binary. RX J0049.5-7310 is therefore very likely the counterpart of the ASCA X-ray pulsar AX J0049-732. The third source RX J0049.1-7314 is associated with the supernova remnant (SNR) DEM S49 (B0047-735).
Filipović Miroslav D.
Haberl Franck
Pietsch Wolfgang
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