Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aas...203.7826g&link_type=abstract
American Astronomical Society Meeting 203, #78.26; Bulletin of the American Astronomical Society, Vol. 36, p.581
Astronomy and Astrophysics
Astronomy
Scientific paper
We present results from recent observations of the intrinsic UV absorption in the Seyfert 1 Galaxy Mrk 279. We have obtained simultaneous observations with FUSE (90 ks) and HST/STIS/E140M (40 ks) as part of a multiwavelength observing campaign designed to probe the mass outfllow in Mrk 279. With the high spectral resolution of these instruments, the blueshifted absorption is resolved into a complex of several distinct components. The high signal-to-noise ratio allows the accurate deconvolution of the velocity-resolved covering factors and optical depths for each of the doublets appearing in absorption (C IV, N V, O VI). The covering factors are found to vary as a function of velocity and are correlated with ionization. Using the velocity resolved optical depth solutions, we explore the link between the UV and X-ray absorber. We also derive constraints on the individual covering factors of the background continuum and emission line sources using the full set of Lyman lines in the far-UV spectrum.
Arav Nahum
Gabel Jack R.
Kaastra Jelle S.
Kriss Gerard Anthony
Scott Jennifer E.
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