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28 March 2024
 
  » arxiv » astro-ph/0309140

 Article overview


INTEGRAL observations of SS433, a supercritically accreting microquasar with hard spectrum
A.M.Cherepashchuk ; R.A.Sunyaev ; E.V. Seifina ; I.E. Panchenko ; S.V. Molkov ; K.A.Postnov ;
Date 4 Sep 2003
Journal Astron.Astrophys. 411 (2003) L441-L445
Subject astro-ph
AffiliationSternberg Astronomical Institute), R.A.Sunyaev (Space Research Institute, Moscow), E.V. Seifina, I.E. Panchenko (SAI), S.V. Molkov (SRI), K.A.Postnov (SAI
AbstractObservations 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.
Source arXiv, astro-ph/0309140
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