The symbiotic star SMC 3

Details The symbiotic star SMC 3 The symbiotic star SMC 3

Feb 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008atel.1379....1z&link_type=abstract

The Astronomer's Telegram, #1379

Astronomy and Astrophysics

Astronomy

1

X-Ray, Binaries, Variables, Stars

Scientific paper

Andreas Zezas and Marina Orio report the XMM-Newton detection of the supersoft X-ray source (SSS) and symbiotic binary SMC 3, 17 years after the first ROSAT detection, in a 20 ks exposure done on 2007 October 28. The EPIC pn count rate with the medium filter was 0.0315+-0.0019 counts/s. SMC 3 was still a luminous SSS without a significant change in the effective temperature of about 500,000 K, but the luminosity in the 0.15-1 keV range decreased by more than a factor of 4 since the previous XMM-Newton observation of 2006 (Orio et al., ApJ 2007, 661, 1105).

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