Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008atel.1846....1p&link_type=abstract
The Astronomer's Telegram, #1846
Astronomy and Astrophysics
Astronomy
1
X-Ray, Binaries, Neutron Stars, Pulsars
Scientific paper
The Accreting Millisecond Pulsar SAX J1808.4-3658 (P=2.49 ms) was observed by XMM Newton for 60 ks on 2008 October 1 (Start Time=MJD 54739.99517), during the outburst which began on 2008 September 21 (ATEL #1728). To model the continuum emission we used data acquired by EPIC PN (timing mode) and RGS1-2, which observed 600c/s and 40c/s respectively from the source. The absorbed 0.3-10 keV continuum emission is well fitted by a model composed by a multitemperature disc blackbody, a blackbody and a power law, but the addition of a relativistically broadened emission line at 6.5 keV is strongly required by the data.
Burderi Luciano
D'Aì Antonino
di Salvo Tiziana
Iaria Rosario
Menna Maria Teresa
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