SIMBAD references

2014MNRAS.442.1877G - Mon. Not. R. Astron. Soc., 442, 1877-1883 (2014/August-1)

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. and VAN DER WERF P.P.

Abstract (from CDS):

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 Hii regions contribute strongly to the [Cii] luminosity in this z = 2.3 ultra-luminous infrared galaxy (ULIRG). The OH feature suggests a maximum wind velocity of 700kms- 1, which is lower than the expected escape velocity of the host dark matter halo, ~ 1000kms- 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.

Abstract Copyright: © 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2014)

Journal keyword(s): ISM: jets and outflows - galaxies: high-redshift - galaxies: ISM - galaxies: starburst - infrared: galaxies - submillimetre: galaxies

Simbad objects: 2

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