Dramatically Variable C IV Mini-Broad Absorption Line System in the Quasar HS 1603+3820

Details Dramatically Variable C IV Mini-Broad Absorption Line System in the Quasar HS 1603+3820 Dramatically Variable C IV Mini-Broad Absorption Line System in the Quasar HS 1603+3820

Oct 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aspc..399..423m&link_type=abstract

Panoramic Views of Galaxy Formation and Evolution ASP Conference Series, Vol. 399, proceedings of the conference held 11-16 Dece

Astronomy and Astrophysics

Astronomy

Scientific paper

We observed the quasar HS 1603+3820 (z_{em} = 2.542, first discovered by Dobrzycki et al. 1996) six times over an interval of 4.2 yrs (1.2 yrs in the quasar rest frame) using the High Dispersion Spectrograph on Subaru telescope. The purpose was to study the mini-broad absorption line (mini-BAL; FWHM ˜ 1,000 km s^{-1}) that is blue-shifted from the quasar by ˜ 9,500 km s^{-1}. We found significant time variability, which supported the physical association of the mini-BAL gas with an outflow from the quasar. We have narrowed down the cause of the variability to two possible scenarios. We also used archival Chandra x-ray data to study the x-ray properties of this quasar. The results constrain the location of the absorbing gas relative to the overall outflow.

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