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AGES Observations of Abell1367 and its Outskirts

  • L. Cortese (a1), R. F. Minchin (a2), R. R. Auld (a1), J. I. Davies (a1), B. Catinella (a2), E. Momjian (a2), J. L. Rosenberg (a3), K. O'Neil (a4) and The AGES Team (a1)...

Abstract

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.

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References

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Auld, R.R. 2006, MNRAS, 371, 1617.
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AGES Observations of Abell1367 and its Outskirts

  • L. Cortese (a1), R. F. Minchin (a2), R. R. Auld (a1), J. I. Davies (a1), B. Catinella (a2), E. Momjian (a2), J. L. Rosenberg (a3), K. O'Neil (a4) and The AGES Team (a1)...

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