Journal
ASTRONOMY LETTERS-A JOURNAL OF ASTRONOMY AND SPACE ASTROPHYSICS
Volume 29, Issue 11, Pages 713-718Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/1.1624456
Keywords
pulsars; neutron stars; X-ray sources
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We present the preliminary results of our analysis of the observations of the X-ray pulsar SAX J2103.5+4545 by the INTEGRAL Observatory in December 2002. We mapped this region of the sky in a wide energy range, from 3 to 200 keV. The detection of the source is shown to be significant up to energies of similar to100 keV The hard X-ray flux in the energy range 15-100 keV is variable and presumably depends on the orbital phase. We show that the shape of the pulsar spectrum and its parameters derived from 18-150-keV IBIS data are compatible with the RXTE observations of the source. (C) 2003 MAIK Nauka/Interperiodica.
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