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INTEGRAL FIELD SPECTROSCOPY OF MASSIVE, KILOPARSEC-SCALE OUTFLOWS IN THE INFRARED-LUMINOUS QSO Mrk 231

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Rupke, David S. N., Veilleux, Sylvain·2011·The Astrophysical Journal

Abstract

The quasi-stellar object (QSO)/merger Mrk 231 is arguably the nearest and best laboratory for studying QSO feedback. It hosts several outflows, including broad-line winds, radio jets, and a poorly understood kpc-scale outflow. In this Letter, we present integral field spectroscopy from the Gemini telescope that represents the first unambiguous detection of a wide-angle, kiloparsec-scale outflow from a powerful QSO. Using neutral gas absorption, we show that the nuclear region hosts an outflow with blueshifted velocities reaching 1100 km s −1 , extending 2–3 kpc from the nucleus in all directions in the plane of the sky. A radio jet impacts the outflow north of the nucleus, accelerating it to even higher velocities (up to 1400 km s −1 ). Finally, 3.5 kpc south of the nucleus, star formation is simultaneously powering an outflow that reaches more modest velocities of only 570 km s −1 . Blueshifted ionized gas is also detected around the nucleus at lower velocities and smaller scales. The mass and energy flux from the outflow are ≳2.5 times the star formation rate and ≳0.7% of the active galactic nucleus luminosity, consistent with negative feedback models of QSOs.

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Metadata

Authors
Rupke, D. S. N., & Veilleux, S.
Venue
The Astrophysical Journal
Published
2011-02-18
Volume
729
Issue
2
Pages
L27
ISSN
  • 2041-8205 (ISSN-L)
  • 2041-8213
OpenAlex
W2067171899
Cited by
300
References
26
FWCI
15.38
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: INTEGRAL FIELD SPECTROSCOPY OF MASSIVE, KILOPARSEC-SCALE OUTFLOWS IN THE INFRARED-LUMINOUS QSO Mrk 231. https://app.cochat.ai/papers/10.1088/2041-8205/729/2/l27
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Rupke, D. S. N., & Veilleux, S. (2011). INTEGRAL FIELD SPECTROSCOPY OF MASSIVE, KILOPARSEC-SCALE OUTFLOWS IN THE INFRARED-LUMINOUS QSO Mrk 231. The Astrophysical Journal. https://doi.org/10.1088/2041-8205/729/2/l27

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