Ultraviolet Outflow Properties and Variability of Markarian 1513

Details Ultraviolet Outflow Properties and Variability of Markarian 1513 Ultraviolet Outflow Properties and Variability of Markarian 1513

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21924316t&link_type=abstract

American Astronomical Society, AAS Meeting #219, #243.16

Astronomy and Astrophysics

Astronomy

Scientific paper

We analyzed data from the Cosmic Origins Spectrograph (COS) to characterize the spectral properties and outflows of Markarian 1513. Further investigation using previous data collected by the Space Telescope Imaging Spectrograph (STIS), Goddard High Resolution Spectrograph (GHRS), and International Ultraviolet Explorer (IUE), was used to examine variability in the outflows along with the AGN emission and continuum luminosity spanning 32 years. The COS data contained one set of intrinsic absorption features, observed in: Lyman α, N V, Si IV, and C IV, which revealed an outflow velocity of ? km s-1. This kinematic feature prevailed through the historical Hubble Space Telescope observations spanning 15 years while exhibiting variability in both velocity and column densities. It was not, however, conclusively observed in the IUE data due to the lack of spectral resolution.

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