Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000jena.conf...74f&link_type=abstract
Joint European and National Astronomical Meeting, JENAM-2000. 9th European and 5th Euro-Asian Astronomical Society Conference, h
Astronomy and Astrophysics
Astronomy
1
X-Ray Binaries, X-Ray Sources
Scientific paper
The SS433 objects is a well-known source of relativistic jets, which are formed in supercritical accretion disk. It is very probable that the disk has polar channels and their radiation is collimated (the photocones). Face-on SS433 object can appear as extremely bright (and highly variable) X-ray source, Lx 10^{40} - 10^{42} erg/s. We discuss properties of these hypothetical objects as X-ray sources and their frequency expected in galaxies. We describe a search for such objects using the ROSAT Bright Source Catalog (18811 sources) and the RC3 catalog (about 19000 spiral and Irr galaxies). Among 246 X-ray sources associated with the galaxies, 115 sources were not confirmed as AGNs previously, and 44 of them are point-like. Among them 11 X-ray sources are certainly non-nuclear, their luminosities are 10^{39} - 10^{43} erg/s. We discuss properties of the X-ray sources isolated and futher observational steps to recognize the population of "face-on SS433 stars".
Fabrika Sergei
Mescheryakov A.
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