INTEGRAL observations of SS433, a supercritically accreting microquasar with hard spectrum

Abstract

Observations of SS433 by INTEGRAL carried out in March -- May 2003 are presented. SS433 is evidently detected on the INTEGRAL images of the corresponding sky region in the energy bands 25-50 and 50-100 keV. The precessional variability of the hard X-ray flux is clearly seen. The X-ray eclipse caused by the binary orbital motion is also detected. A possible origin of the hard continuum is briefly discussed.

arXiv comment5 pages, 6 figures. Accepted to A&A INTEGRAL special volume

References in corpus (6)

• The High Resolution X-ray Spectrum of SS 433 using the Chandra HETGS
• Spectral Components of SS 433
• The Spectrum of the Mass Donor Star in SS 433
• Discovery of circularly polarised radio emission from SS 433
• Evidence for Jet Collimation in SS 433 with the Chandra HETGS
• First results from TOO observations of the Aql X-1 field with INTEGRAL

Cited by in corpus (14)

• INTEGRAL/IBIS survey of the Sagittarius Arm Tangent region: A source catalog
• INTEGRAL observations of SS433: Results of coordinated campaign
• The INTEGRAL view on Black Hole X-ray Binaries
• SS433: a massive X-ray binary at advanced evolutionary stage
• INTEGRAL observations of SS433: system's parameters and nutation of supercritical accretion disk
• Diagnostics of the black hole candidate SS433 with the RXTE
• Monte-Carlo simulations of the broadband X-ray continuum of SS433
• The Jets and Disc of SS 433 at Super-Eddington Luminosities
• Peculiar nature of hard X-ray eclipse in SS433 from INTEGRAL observations
• 15 years of Galactic surveys and hard X-ray Background measurements
• Serpens X-1 observed by INTEGRAL
• SS 433: Results of a Recent Multi-wavelength Campaign
• HAWC Search for High-Mass Microquasars
• Simulation-calibrated Bayesian inference for progenitor properties of the microquasar SS 433