Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008atel.1453....1e&link_type=abstract
The Astronomer's Telegram, #1453
Astronomy and Astrophysics
Astronomy
4
X-Ray, Binaries, Neutron Stars, Pulsars, Transients
Scientific paper
During a 39 ks XMM-Newton observation on 2007 March 12-13 of the emission nebula N19 in the Small Magellanic Cloud (SMC) a bright X-ray transient at (J2000) R.A. = 00 49 11.4 Dec. = -72 49 39 was observed. Our timing analysis revealed X-ray pulsations with a period of 18.3814(1) s, which identifies the source, designated XMMU J004911.4-724939, with XTE J0055-727 = SXP18.3 (Corbet et al. 2003, ATEL #214), which was discovered with a period of 18.37 s +/- 0.1 s.
Eger Peter
Haberl Franck
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