Modeling Of The Absorption Spectrum Of QSO HS1603+3820

Details Modeling Of The Absorption Spectrum Of QSO HS1603+3820 Modeling Of The Absorption Spectrum Of QSO HS1603+3820

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006head....9.0738d&link_type=abstract

American Astronomical Society, HEAD meeting #9, #7.38; Bulletin of the American Astronomical Society, Vol. 38, p.356

Astronomy and Astrophysics

Astronomy

Scientific paper

We present optical and X-ray spectra of the z=2.5 QSO HS1603+3820. This quasar has a very rich, complex heavy-element absorption spectrum. Several absorption systems are associated with the quasar, and some of them show rather unusual ionic ratios. We use photoionization codes CLOUDY and TITAN to derive total column and volume densities in the associated absorbers, based on constraints from the optical spectra. We find the total column density N=2x1022 cm-2 and high volume density n=1010 cm-3, consistent with previous estimates for intrinsic absorbers in NLS1 galaxies.
This work was partially supported by the ESO Director General Discretionary Fund, by a grant from NASA through the Chandra X-ray Center, and by a grant from the Polish State Committee for Scientific Research.

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