The Butcher-Oemler effect in a nearby cluster of galaxies
- CEA, Centre d'Etudes Nucleaires de Saclay, Gif-sur-Yvette (France) North Carolina Univ., Chapel Hill (USA)
The integrated spectra of early-type galaxies in the nearby Abell 262, Pegasus I, and Virgo clusters are compared with those of several field galaxies. The spectra of five galaxies in Pegasus I and one galaxy in the Virgo Cluster show evidence of recent star formation. The average blue magnitude for the star-forming galaxies is M(B) = -20. The star-formation activity in Pegasus I is found to be similar to that of starburst and poststarburst galaxies in Butcher-Oemler clusters at redshifts greater than 2. 38 refs.
- OSTI ID:
- 7193744
- Journal Information:
- Astronomical Journal; (USA), Journal Name: Astronomical Journal; (USA) Vol. 98; ISSN 0004-6256; ISSN ANJOA
- Country of Publication:
- United States
- Language:
- English
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