Spectroscopic Survey in Coma (Mobasher+, 2001)

Details Spectroscopic Survey in Coma (Mobasher+, 2001) Spectroscopic Survey in Coma (Mobasher+, 2001)

Jan 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002ycat..21370279m&link_type=abstract

VizieR On-line Data Catalog: J/ApJS/137/279. Originally published in: 2001ApJS..137..279M

Computer Science

Clusters: Galaxy, Photometry, Redshifts

Scientific paper

This is the second paper in a series studying the photometric and spectroscopic properties of galaxies of different luminosities in the Coma Cluster. We present the sample selection, spectroscopic observations, and completeness functions. To study the spectral properties of galaxies as a function of their local environment, two fields were selected for spectroscopic observations to cover both the core (Coma 1) and outskirts (i.e., southwest of the core and centered on NGC 4839; Coma 3) of the cluster. To maximize the efficiency of spectroscopic observations, two subsamples were defined, consisting of "bright" and "faint" galaxies, both drawn from magnitude-limited parent samples. Medium-resolution spectroscopy (6-9Å) was then carried out for a total of 490 galaxies in both fields (302 in Coma 1 and 188 in Coma 3), using the WYFFOS multifiber spectrograph on the William Herschel Telescope. The galaxies cover a range of 12

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