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Herschel-Astrophysical Terahertz Large Area Survey: detection of a far-infrared population around galaxy clusters

KEK Coppin, JE Geach, I Smail, L Dunne, AC Edge, RJ Ivison, S Maddox, R Auld, Maarten Baes UGent, S Buttiglione, et al. (2011) MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. 416(1). p.680-688
abstract
We report the detection of a significant excess in the surface density of far-infrared sources from the Herschel-Astrophysical Terahertz Large Area Survey within similar to 1Mpc of the centres of 66 optically selected clusters of galaxies in the Sloan Digital Sky Survey with < z > similar to 0.25. From the analysis of the multiwavelength properties of their counterparts we conclude that the far-infrared emission is associated with dust-obscured star formation and/or active galactic nuclei (AGN) within galaxies in the clusters themselves. The excess reaches a maximum at a radius of similar to 0.8Mpc, where we find 1.0 +/- 0.3 S-250 > 34 mJy sources on average per cluster above what would be expected for random field locations. If the far-infrared emission is dominated by star formation (as opposed to AGN) then this corresponds to an average star formation rate of similar to 7M(circle dot) yr(-1) per cluster in sources with L-IR > 5 x 10(10) L-circle dot. Although lensed sources make a negligible contribution to the excess signal, a fraction of the sources around the clusters could be gravitationally lensed, and we have identified a sample of potential cases of cluster-lensed Herschel sources that could be targeted in follow-up studies.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
galaxies: clusters: general, galaxies: evolution, gravitational lensing: strong, ABELL 1689, EVOLUTION, ATLAS, ISOCAM SURVEY, BAND LUMINOSITY, DISTANT CLUSTERS, LUMINOSITY FUNCTION, STELLAR MASS FUNCTIONS, OBSCURED STAR-FORMATION, DIGITAL SKY SURVEY, submillimetre: galaxies, galaxies: starburst
journal title
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Mon. Not. Roy. Astron. Soc.
volume
416
issue
1
pages
680 - 688
Web of Science type
Article
Web of Science id
000294017000062
JCR category
ASTRONOMY & ASTROPHYSICS
JCR impact factor
4.9 (2011)
JCR rank
9/56 (2011)
JCR quartile
1 (2011)
ISSN
0035-8711
DOI
10.1111/j.1365-2966.2011.19084.x
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
2113958
handle
http://hdl.handle.net/1854/LU-2113958
date created
2012-05-25 14:44:09
date last changed
2016-12-19 15:42:54
@article{2113958,
  abstract     = {We report the detection of a significant excess in the surface density of far-infrared sources from the Herschel-Astrophysical Terahertz Large Area Survey within similar to 1Mpc of the centres of 66 optically selected clusters of galaxies in the Sloan Digital Sky Survey with {\textlangle} z {\textrangle} similar to 0.25. From the analysis of the multiwavelength properties of their counterparts we conclude that the far-infrared emission is associated with dust-obscured star formation and/or active galactic nuclei (AGN) within galaxies in the clusters themselves. The excess reaches a maximum at a radius of similar to 0.8Mpc, where we find 1.0 +/- 0.3 S-250 {\textrangle} 34 mJy sources on average per cluster above what would be expected for random field locations. If the far-infrared emission is dominated by star formation (as opposed to AGN) then this corresponds to an average star formation rate of similar to 7M(circle dot) yr(-1) per cluster in sources with L-IR {\textrangle} 5 x 10(10) L-circle dot. Although lensed sources make a negligible contribution to the excess signal, a fraction of the sources around the clusters could be gravitationally lensed, and we have identified a sample of potential cases of cluster-lensed Herschel sources that could be targeted in follow-up studies.},
  author       = {Coppin, KEK and Geach, JE and Smail, I and Dunne, L and Edge, AC and Ivison, RJ and Maddox, S and Auld, R and Baes, Maarten and Buttiglione, S and Cava, A and Clements, DL and Cooray, A and Dariush, A and De Zotti, G and Dye, S and Eales, S and Fritz, Jacopo and Hopwood, R and Ibar, E and Jarvis, M and Michalowski, MJ and Murphy, DNA and Negrello, M and Pascale, E and Pohlen, M and Rigby, E and Rodighiero, G and Scott, D and Serjeant, S and Smith, DJB and Temi, P and van der Werf, P},
  issn         = {0035-8711},
  journal      = {MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY},
  keyword      = {galaxies: clusters: general,galaxies: evolution,gravitational lensing: strong,ABELL 1689,EVOLUTION,ATLAS,ISOCAM SURVEY,BAND LUMINOSITY,DISTANT CLUSTERS,LUMINOSITY FUNCTION,STELLAR MASS FUNCTIONS,OBSCURED STAR-FORMATION,DIGITAL SKY SURVEY,submillimetre: galaxies,galaxies: starburst},
  language     = {eng},
  number       = {1},
  pages        = {680--688},
  title        = {Herschel-Astrophysical Terahertz Large Area Survey: detection of a far-infrared population around galaxy clusters},
  url          = {http://dx.doi.org/10.1111/j.1365-2966.2011.19084.x},
  volume       = {416},
  year         = {2011},
}

Chicago
Coppin, KEK, JE Geach, I Smail, L Dunne, AC Edge, RJ Ivison, S Maddox, et al. 2011. “Herschel-Astrophysical Terahertz Large Area Survey: Detection of a Far-infrared Population Around Galaxy Clusters.” Monthly Notices of the Royal Astronomical Society 416 (1): 680–688.
APA
Coppin, K., Geach, J., Smail, I., Dunne, L., Edge, A., Ivison, R., Maddox, S., et al. (2011). Herschel-Astrophysical Terahertz Large Area Survey: detection of a far-infrared population around galaxy clusters. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 416(1), 680–688.
Vancouver
1.
Coppin K, Geach J, Smail I, Dunne L, Edge A, Ivison R, et al. Herschel-Astrophysical Terahertz Large Area Survey: detection of a far-infrared population around galaxy clusters. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. 2011;416(1):680–8.
MLA
Coppin, KEK, JE Geach, I Smail, et al. “Herschel-Astrophysical Terahertz Large Area Survey: Detection of a Far-infrared Population Around Galaxy Clusters.” MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 416.1 (2011): 680–688. Print.