Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011atel.3200....1r&link_type=abstract
The Astronomer's Telegram, #3200
Astronomy and Astrophysics
Astronomy
1
X-Ray, Binary, Transient, Pulsar
Scientific paper
The supergiant fast X-ray transient (SFXT) IGR J11215-5952 (Lubinski et al. 2005, Atel #469) undergoes periodic outbursts separated by about 165 days (Sidoli et al. 2007, A&A 476, 1307), which most likely correspond to the orbital period of the binary system. Based on the ephemeris of Romano et al. (2009, ApJ, 696, 2068), that predicted the peak of the new outburst on 2011 March 1 at about 9.30 UT, we observed the source with Swift.
Burrows David N.
Cusumano Giancarlo
Esposito Paolo
Farinelli Ruben
Gehrels Neil
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