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A Deep, Wide-Field H-alpha Survey of Nearby Clusters of Galaxies | | Shoko Sakai
; Robert Kennicutt
; Chris Moss
; | | Date: |
1 Sep 2000 | | Subject: | astro-ph | | Affiliation: | UCLA), Robert Kennicutt (Steward), Chris Moss (Liverpool | | Abstract: | We present a progress report on an ongoing H-alpha imaging survey of nearby clusters of galaxies. Four clusters have been surveyed to date: A1367, A1656, A347 and A569. A preliminary comparison of H-alpha luminosity functions obtained from our imaging survey with those from the prism survey reveals a significant level of incompleteness in the latter. This in turn is due to a combination of insensitivity to low-luminosity emission-line galaxies and to brighter galaxies with weak extended H-alpha emission. The survey has also revealed a unique population of clustered dwarf emission-line objects which may be the results of recent tidal encounters between larger gas-rich galaxies. | | Source: | arXiv, astro-ph/0009026 | | Services: | Forum | Review | PDF | Favorites | |
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