First results on the HMXRB Pulsar SAXJ2103.5+4545 with INTEGRAL
L. Sidoli, S. Mereghetti, S. Larsson, M. Chernyakova, I. Kreykenbohm, P. Kretschmar, A. Paizis, A. Santangelo, C. Ferrigno
Abstract
We report on the preliminary timing and spectral analysis of the High Mass X-ray Binary Pulsar SAXJ2103.5+4545 as observed with INTEGRAL during the Galactic Pla n Scan of the Core Program. The source shows a hard spectrum, being detected up to 100 keV. The timing analysis performed on IBIS/ISGRI data shows evidence for a spin-up wi th respect to previous observations, performed in 1997 and 1999 with BeppoSAX an d RossiXTE.
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