X-ray Spectra of BAL Quasars

Details X-ray Spectra of BAL Quasars X-ray Spectra of BAL Quasars

Feb 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996stin...9670998b&link_type=abstract

Technical Report, Joint Inst. for Lab. Astrophysics Boulder,CO United States

Astronomy and Astrophysics

Astrophysics

X Ray Spectra, X Ray Absorption, Line Spectra, Quasars, Spectral Signatures, Emission Spectra, Ginga Satellite, Ultraviolet Spectra

Scientific paper

The premise of our X-ray observation of the BAL quasar PG1416-129 using Asca was primarily to study the nature of the soft X-ray absorption in this object, and specifically to search for the X-ray signature of the broad absorption lines (BAL) observed in its ultraviolet spectrum. In addition, the unusual and interesting aspect of its X-ray emission, as measured by the Japanese Ginga satellite, was the fact that the 2-10 keV continuum spectrum appeared unusually hard, with a power-law energy index of approximately 0, while the more common value found in quasars is approximately 0.8 - 1.

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