The new X-ray sources GRS1734 - 292, GRS1736 - 297, and GRS1747 - 312, discovered with the ART-P telescope onboard the GRANAT Observatory in the region of the Galactic center

Details The new X-ray sources GRS1734 - 292, GRS1736 - 297, and GRS1747 - 312, discovered with the ART-P telescope onboard the GRANAT Observatory in the region of the Galactic center The new X-ray sources GRS1734 - 292, GRS1736 - 297, and GRS1747 - 312, discovered with the ART-P telescope onboard the GRANAT Observatory in the region of the Galactic center

Mar 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992sval...18...88p&link_type=abstract

Soviet Astronomy Letters, Vol. 18, p. 88; Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 18, no. 3, March 1992, p. 217

Astronomy and Astrophysics

Astronomy

10

Milky Way Galaxy, Spaceborne Astronomy, X Ray Astronomy, X Ray Sources, Brightness Distribution, Power Spectra, Spaceborne Telescopes, X Ray Spectra

Scientific paper

Three new X-ray sources were detected by the ART-P telescope onboard the Granat Observatory during observations of the region of the Galactic center in September-October 1990. One of these sources, GRS1747 - 312, had, on September 9-10, 1990, a luminosity comparable with that of the brightest sources in this region. One month later this source was not detected at the ART-P sensitivity level. Two other new sources, GRS1734 -292 and GRS1736 - 297, had hard power-law spectra with strong absorption in the soft energy band. Their 3-12 keV luminosity was one order of magnitude lower than that of GRS1747 - 312.

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