Broadband Observations of the Transient X-ray Pulsar SAX J2103.5+4545

Abstract

We investigated the optical, X-ray, and gamma-ray variability of the pulsar SAX J2103.5+4545. Our timing and spectral analyses of the X-ray and gamma-ray emissions from the source using RXTE and INTEGRAL data show that the shape of its spectrum in the energy range 3 -- 100 keV is virtually independent of its intensity and the orbital phase. Based on XMM-Newton data, we accurately (5 arcsec) localized the object and determined the optical counterpart in the binary. We placed upper limits on the variability of the latter in the R band and the H-alpha line on time scales of the orbital and pulse periods, respectively.

arXiv comment17 pages, 7 figures, Astronomy Letters, 30, 824-833 (2004)

References in corpus (5)

• ISGRI: the INTEGRAL Soft Gamma-Ray Imager
• Observations of Accreting Pulsars
• Discovery of the optical counterpart to the X-ray pulsar SAX J2103.5+4545
• Discovery of the Orbit of the Transient X ray Pulsar SAX J2103.5+4545
• First results of observations of transient pulsar SAXJ2103.5+4545 with the INTEGRAL observatory

Cited by in corpus (10)

• High-Mass X-ray Binaries in the Milky Way: A closer look with INTEGRAL
• Strong outburst activity of the X-ray pulsar X Persei during 2001-2011
• XMM-Newton observations of IGRJ18410-0535: The ingestion of a clump by a supergiant fast X-ray transient
• Timing Studies on RXTE Observations of SAX J2103.5+4545
• NuSTAR observations of the wind-fed X-ray pulsar GX 301--2 during an unusual spin-up event
• Long-term pulse profile study of the Be/X-ray pulsar SAX J2103.5+4545
• Recent activity of the Be/X-ray binary system SAX J2103.5+4545
• A large spin-up rate measured with INTEGRAL in the High Mass X-ray Binary Pulsar SAXJ2103.5+4545
• Soft gamma-ray sources detected by INTEGRAL
• A possible phase dependent absorption feature in the transient X-ray pulsar SAX J2103.5+4545