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AGES Observations of Abell1367 and its Outskirts

Published online by Cambridge University Press:  01 August 2006

L. Cortese ,
R. F. Minchin ,
R. R. Auld ,
J. I. Davies ,
B. Catinella ,
E. Momjian ,
J. L. Rosenberg  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, MAUSA
K. O'Neil
Affiliation:
NRAO, P.O. Box 2, Green Bank, WV 24944
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Abstract

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The Arecibo Galaxy Environment Survey (AGES, Auld et al. 2006) will map ~200 square degrees over the next years using the ALFA feed array at the 305-m Arecibo Telescope. AGES is specifically designed to investigate various galactic environments from local voids to interacting groups and cluster of galaxies. AGES will map 20 square degrees in the Coma-Abell1367 supercluster including the Abell cluster 1367 and its outskirts (up to ~2 virial radii). In Spring 2006 we nearly completed the observations of 5 square degrees in the range 11:34< RA< 11:54, 19:20<Dec<20:20 covering all the cluster core and part of its infalling region reaching a 5 sigma detection limit of M(HI)~4×108M⊙ (assuming a velocity width ~200 km~s−1) at the distance of Abell1367 (~92 Mpc). An HI selected sample has been extracted from the datacube obtaining a catalogue of fluxes, recessional velocities, positions and velocity widths. We present a preliminary analysis of the properties of the HI sources and report the discovery of HI diffuse features within interacting groups at the periphery of Abell1367.

Keywords

galaxies: evolution–galaxies:clusters: individual: Abell1367–galaxies:interactions
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S235: Galaxy Evolution Across the Hubble Time , August 2006 , pp. 196
Copyright
Copyright © International Astronomical Union 2007

References

Auld, R.R. 2006, MNRAS, 371, 1617.CrossRefGoogle Scholar