Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.0310s&link_type=abstract
American Astronomical Society, AAS Meeting #211, #03.10; Bulletin of the American Astronomical Society, Vol. 39, p.724
Astronomy and Astrophysics
Astronomy
Scientific paper
We present the results of our hard X-ray and gamma-ray study of the LMXB Sco X-1 utilizing INTEGRAL IBIS/ISGRI and SPI data as well as contemporaneous RXTE PCA data. We have concentrated on investigating the hard X-ray spectral properties of Sco X-1 including the nature of the high-energy, nonthermal component of the spectrum and its possible correlations with the location of the source on the color-color diagram. We also present the results of a search for positron-electron annihilation line emission from Sco X-1, as it is the brightest of a bulge X-ray binary population which approximately trace the 511-keV spatial distribution inferred from SPI.
Shrader Chris R.
Sturner Steven J.
Weidenspointner Georg
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