Quantifying the fast outflow in the luminous Seyfert galaxy PG1211+143

We report two new XMM–Newton observations of PG1211+143 in 2007 December, again finding evidence for the fast outflow of highly ionized gas first detected in 2001. Stacking the new spectra with those from two earlier XMM–Newton observations reveals strong and broad emission lines of Fe xxv and O vii...

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Bibliographic Details
Published in:Monthly notices of the Royal Astronomical Society 2009-07, Vol.397 (1), p.249-257
Main Authors: Pounds, K. A., Reeves, J. N.
Format: Article
Language:English
Subjects:
Astronomy
Earth, ocean, space
Exact sciences and technology
galaxies: active
galaxies: individual: PG1211+143
galaxies: Seyfert
Luminosity
Quasars
quasars: general
Stars & galaxies
X-ray astronomy
X-rays: galaxies
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Summary:We report two new XMM–Newton observations of PG1211+143 in 2007 December, again finding evidence for the fast outflow of highly ionized gas first detected in 2001. Stacking the new spectra with those from two earlier XMM–Newton observations reveals strong and broad emission lines of Fe xxv and O viii, indicating the fast outflow to be persistent and to have a large covering factor. This finding confirms a high mass rate for the ionized outflow in PG1211+143 and provides the first direct measurement of a wide angle, subrelativistic outflow from an active galactic nuclei (AGN) transporting mechanical energy with the potential to disrupt the growth of the host galaxy. We suggest PG1211+143 may be typical of an AGN in a rapid super-Eddington growth phase.
ISSN:0035-8711
1365-2966
DOI:10.1111/j.1365-2966.2009.14971.x