3C 295 BRri photometry (Thimm+, 1994)

Details 3C 295 BRri photometry (Thimm+, 1994) 3C 295 BRri photometry (Thimm+, 1994)

May 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999ycat..32850785t&link_type=abstract

VizieR On-line Data Catalog: J/A+A/285/785. Originally published in: 1994A&A...285..785T

Computer Science

Clusters: Galaxy, Galaxies: Photometry

Scientific paper

We observed the cluster Cl 1409+524 (z=0.46) with an imaging Fabry-Perot interferometer. A sequence of Fabry-Perot images (FWHM=1.0-1.3nm) was used to search for redshifted [OII]λ372.7nm- and [OIII]λ500.7nm line emission. We studied 144 galaxies up to a limiting continuum R-band magnitude of 22.5mag within 1 Mpc around the cluster center. Previously known emission-line galaxies in the cluster were confirmed and 17 new members with emission lines were found. Their star formation rate of 1-2M&sun;/yr is typical for normal spirals. We have imaged the cluster with broad band B, R and seven intermediate band filters (FWHM=10.0-20.0nm) in order to derive low-resolution spectral energy distributions of cluster galaxies. These were fitted by template spectra to estimate Hubble class and redshifts. Based on this decomposition, we derived a percentage of emission-line galaxies of 40+/-11%. (1 data file).

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