R.D. George
Herschel reveals a molecular outflow in a z = 2.3 ULIRG
George, R.D.; Ivison, R.J.; Smail, I.; Swinbank, A.M.; Hopwood, R.; Stanley, F.; Swinyard, B.M.; Valtchanov, I.; Werf, P.P. van der
Authors
R.J. Ivison
Professor Ian Smail ian.smail@durham.ac.uk
Emeritus Professor
Professor Mark Swinbank a.m.swinbank@durham.ac.uk
Professor
R. Hopwood
F. Stanley
B.M. Swinyard
I. Valtchanov
P.P. van der Werf
Abstract
We report the results from a 19-h integration with the Spectral and Photometric Imaging REceiver (SPIRE) Fourier Transform Spectrometer aboard the Herschel Space Observatory which has revealed the presence of a molecular outflow from the Cosmic Eyelash (SMM J2135−0102) via the detection of blueshifted OH absorption. Detections of several fine-structure emission lines indicate low-excitation H ii regions contribute strongly to the [C ii] luminosity in this z = 2.3 ultra-luminous infrared galaxy (ULIRG). The OH feature suggests a maximum wind velocity of 700 km s− 1, which is lower than the expected escape velocity of the host dark matter halo, ≈ 1000 km s− 1. A large fraction of the available molecular gas could thus be converted into stars via a burst protracted by the resulting gas fountain, until an active galactic nucleus (AGN)-driven outflow can eject the remaining gas.
Citation
George, R., Ivison, R., Smail, I., Swinbank, A., Hopwood, R., Stanley, F., …Werf, P. V. D. (2014). Herschel reveals a molecular outflow in a z = 2.3 ULIRG. Monthly Notices of the Royal Astronomical Society, 442(2), 1877-1883. https://doi.org/10.1093/mnras/stu967
Journal Article Type | Article |
---|---|
Publication Date | Aug 1, 2014 |
Deposit Date | Nov 17, 2014 |
Publicly Available Date | Nov 24, 2014 |
Journal | Monthly Notices of the Royal Astronomical Society |
Print ISSN | 0035-8711 |
Electronic ISSN | 1365-2966 |
Publisher | Royal Astronomical Society |
Peer Reviewed | Peer Reviewed |
Volume | 442 |
Issue | 2 |
Pages | 1877-1883 |
DOI | https://doi.org/10.1093/mnras/stu967 |
Keywords | ISM: jets and outflows, Galaxies: high-redshift, Galaxies: ISM, Galaxies: starburst, Infrared: galaxies, Submillimetre: galaxies. |
Related Public URLs | http://adsabs.harvard.edu/abs/2014MNRAS.442.1877G |
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Copyright Statement
This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society ©2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.
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