Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998apjs..116..231a&link_type=abstract
Astrophysical Journal Supplement v.116, p.231
Astronomy and Astrophysics
Astronomy
11
Galaxies: Clusters: Individual Alphanumeric: Ms 1512.4+3647, Galaxies: Clusters: Individual Alphanumeric: Ms 1224.7+2007, Galaxies: Distances And Redshifts, Galaxies: Photometry
Scientific paper
Photometric and redshift catalogs of galaxies in the field of two rich galaxy clusters: MS 1224.7+2007 (z = 0.327) and MS 1512.4+3647 (z = 0.372) are presented as part of the CNOC cluster redshift survey carried out at the Canada-France-Hawaii Telescope (CFHT) using the MOS imaging multiobject spectrograph. The imaging and spectroscopic observations span three contiguous MOS fields in the east-west direction for MS 1512.4+3647, covering a total area of approximately 8.'0 x 27.'3. A single field of 7.'1 x 9.'0 was obtained for MS 1224.7+2007. Redshifts for 287 galaxies in the MS 1512.4+3647 fields and 75 galaxies in the MS 1224.7+2007 field (primarily ranging in magnitude from r = 18-22) were obtained. The spectroscopic information in this paper is supplemented by photometric information for all galaxies in the fields down to Gunn r = 21 mag. The data set is also presented graphically in several forms. The magnitude, color, and geometric selection functions for the redshift sample are presented and discussed.
Abraham Robert G.
Carlberg Ray G.
Ellingson Erica E.
Gravel Pierre
Yee Howard K. C.
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