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AGES Observations of Abell 1367

Published online by Cambridge University Press:  01 June 2007

L. Cortese ,
R. F. Minchin ,
R. R. Auld ,
J. I. Davies ,
B. Catinella ,
E. Momjian ,
J. L. Rosenberg ,
R. Taylor ,
G. Gavazzi  and
K. O'Neil
L. Cortese
Affiliation:
School of Physics and Astronomy, Cardiff University, Cardiff CF24 3AA, UK
R. F. Minchin
Affiliation:
Arecibo Observatory, HC3 Box 53995, Arecibo, PR 00612, USA
R. R. Auld
Affiliation:
School of Physics and Astronomy, Cardiff University, Cardiff CF24 3AA, UK
J. I. Davies
Affiliation:
School of Physics and Astronomy, Cardiff University, Cardiff CF24 3AA, UK
B. Catinella
Affiliation:
Arecibo Observatory, HC3 Box 53995, Arecibo, PR 00612, USA
E. Momjian
Affiliation:
Arecibo Observatory, HC3 Box 53995, Arecibo, PR 00612, USA
J. L. Rosenberg
Affiliation:
Harvard-Smithsonian Centre for Astrophysics, 60 Garden Street, Cambridge, MA, USA
R. Taylor
Affiliation:
School of Physics and Astronomy, Cardiff University, Cardiff CF24 3AA, UK
G. Gavazzi
Affiliation:
Universitá degli Studi di Milano-Biccoca, Piazza della Scienza 3, 20126 Milano, Italy
K. O'Neil
Affiliation:
National Radio Astronomy Observatory, Green Bank, WV 24944, USA
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Abstract

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We present 21 cm observations of 5×1 square degrees centered on the local Abell cluster 1367 obtained as part of the Arecibo Galaxy Environment Survey. This represents the first HI selected sample covering the core and the outskirts of a local cluster of galaxies. Combining the HI data with SDSS optical imaging we show that in HI selected samples follow scaling relations similar to the ones usually observed in optically selected samples. The most striking difference between HI and optically selected samples resides in their large scale distribution: while optical and X-ray observations trace the cluster potential very well, at radio wavelengths there is almost no evidence of the cluster presence.

Keywords

surveys–galaxies: clusters: individual: (A1367)–galaxies: evolution–radio lines: galaxies
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 3 , Symposium S244: Dark Galaxies and Lost Baryons , June 2007 , pp. 350 - 351
Copyright
Copyright © International Astronomical Union 2008

References

Auld, R., Minchin, R. F., Davies, J. I. et al. 2006, MNRAS, 371, 1617CrossRefGoogle Scholar
Cortese, L., Gavazzi, G., Boselli, A., Iglesias-Paramo, J., & Carrasco, L. 2004, A&A, 425, 429Google Scholar