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Program Number |
21 |
| Program Name | CfA Rich Groups |
| Principal Investigator |
Massimo Ramella [email] |
| Co-Investigator(s) | Walter Boschin, Margaret Geller, Andisheh Mahdavi, Kenneth Rines, Hans Böhringer and Michael Kurtz |
Abstract |
The redshifts measured allowed the completion of the redshift survey of 2MASS galaxies within 1.5 Mpc from groups of galaxies of a well studied sample (see papers below). This sample was used to investigate the correlation between mass, M, and luminosity (2MASS, Ks-band), L, of groups of galaxies. Over the entire mass range covered by this sample, the Ks luminosity increases with mass implying that the mass-to-light ratio in the Ks band increases with mass. |
| Spectra | [search in archive] |
| Trimester(s) data taken | 1994c-1995c |
| Papers |
1999, ApJ, 518, 69 2004, AJ, 128, 2022 2004, ApJ, 607, 202 |
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