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Home » Literature » Reference Lookup

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TitleStar-forming galaxies in low-redshift clusters: data and integrated galaxy properties
AuthorsThomas, C. F.; Moss, C.; James, P. A.; Bennett, S. M.; Aragón-Salamanca, A.; Whittle, M.
Bibcode

2008A&A...486..755T   Search ADS ↗

AbstractAims: This paper is a continuation of an ongoing study of the evolutionary processes affecting cluster galaxies.
Methods: Both CCD R band and Hα narrow-band imaging was used to determine photometric parameters (mr, r24, Hα flux, and equivalent width) and derive star formation rates for 227 CGCG galaxies in 8 low-redshift clusters. The galaxy sample is a subset of CGCG galaxies in an objective prism survey (OPS) of cluster galaxies for Hα emission.
Results: It is found that detection of emission-line galaxies in the OPS is 85%, 70%, and 50% complete at the mean surface brightness values of 1.25 × 10-19, 5.19 × 10-20, and 1.76 × 10-20 W m-2 arcsec-2, respectively, measured within the R band isophote of 24 mag arcsec-2 for the galaxy.
Conclusions: The CCD data, together with matched data from a recent Hα galaxy survey of UGC galaxies within v ≤ 3000 km s-1, will be used for a comparative study of R band and Hα surface photometry between cluster and field spirals. Table 2 is only available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/486/755
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Award Number 80NSSC21M0037, and operated by the California Institute of Technology.

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