SGR 0501+4516: preliminary results of the first XMM-Newton observation

Details SGR 0501+4516: preliminary results of the first XMM-Newton observation SGR 0501+4516: preliminary results of the first XMM-Newton observation

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008atel.1688....1r&link_type=abstract

The Astronomer's Telegram, #1688

Astronomy and Astrophysics

Astronomy

4

X-Ray, Pulsars, Transients

Scientific paper

XMM-Newton observed the new Soft Gamma-ray Repeater SGR 0501+4516 (Holland et al., GCN 8112; Barthelmy et al., GCN 8113) for ~49ks on 2008 August 23rd starting at 01:04:00 (UT). Preliminary results show that the source flux is enhanced in the soft X-ray range with respect to the possible quiescent ROSAT counterpart (Kennea et al., Atel 1675). The source persistent EPIC-PN spectrum is well fitted (in the 1-10keV energy range; reduced chi2 = 1.02) by an absorbed blackbody plus a power-law with Nh = 0.89(2) x 10^22 cm-2, kT = 0.69(5) keV and photon index Gamma= 2.76(6).

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