XMM-Newton gives spectral modeling and updated ephemeris of the Accreting Millisecond Pulsar IGR J17511-3057 (original) (raw)

Abstract

ABSTRACT We report on an XMM-Newton Director Discretionary Time ToO observation of the newly discovered Accreting Millisecond Pulsar IGR J17511-3057 (ATEL #2196, #2197, #2198, #2199, and #2215) during its ongoing outburst. XMM-Newton spotted the source for 70 ks starting on 2009 Sep 21.01. The EPIC MOS1 camera, operated in Small Window mode, allowing a precise estimate of the source position: RA = 17 51 08.55 DEC = -30 57 41.7 affected by an uncertainty of 1.1 arcsec.

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