Spectra of Cen A from INTEGRAL and Other Missions

Details Spectra of Cen A from INTEGRAL and Other Missions Spectra of Cen A from INTEGRAL and Other Missions

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...207.5105r&link_type=abstract

American Astronomical Society Meeting 207, #51.05; Bulletin of the American Astronomical Society, Vol. 37, p.1234

Astronomy and Astrophysics

Astronomy

Scientific paper

INTEGRAL observed the nearby radio galaxy Cen A three times in 2003-2004 for a total of 300 ks. Using OSA 5.0 analysis software, Cen A was detected to 200 keV on all three occasions. A power law of photon index 1.9 was consistent with all three data sets whose flux varied by a factor of two. RXTE also viewed Cen A then and results of cross calibration will be discussed. Observations of Cen A by all X-ray satellite missions since 1975 reveal a 50 in line of sight column density that is interpreted as variations in the outer regions of a warped accretion disk viewed near edge on. Finally, in August, 2005 Cen A was simultaneously viewed by INTEGRAL, RXTE, Swift, and Suzaku. Results of this observation will also be discussed.

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