Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002apjs..138..265k&link_type=abstract
The Astrophysical Journal Supplement Series, Volume 138, Issue 2, pp. 265-278.
Astronomy and Astrophysics
Astronomy
21
Galaxies: Clusters: General, Galaxies: Clusters: Individual: Name: Coma, Galaxies: Photometry
Scientific paper
We carried out a deep photometric and spectroscopic survey of wide areas in the Coma cluster, aiming to investigate the properties of galaxy population in different environments within the cluster. We present the results in a series of papers. This paper, the first of the series, describes the imaging observations and photometric data reduction. Imaging data were taken with the wide-field mosaic CCD camera, which was attached to the prime focus of the 4.2 m William Herschel Telescope at La Palma, Canary Islands. Our observations covered a large field of view (2.22 deg2) from the cluster center to the outskirts, and our photometry is complete to a limiting magnitude of R~=23 mag. The limit of secure star-galaxy discrimination is, however, brighter at R=20 mag. We identified 3147 galaxies down to this limit in the part (1.32 deg2) of the survey area, together with 662 galaxies identified in the control field SA 57. We measured surface photometric parameters and compiled a photometric catalog for these galaxies. Statistical properties of the catalog are shown in this paper, while the catalog itself is given in a forthcoming paper in the series. Based on observations made with the William Herschel Telescope operated on the island of La Palma by the Isaac Newton Group in the Spanish Observatorio del Roque de los Muchachos of the Instituto de Astrofisica de Canarias.
Bridges Terry James
Carter David
Doi Makoto
Iye Masanori
Kashikawa Nobunari
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