Studies of Rich Clusters of Galaxies – II: THE STRUCTURE AND LUMINOSITY FUNCTION OF THE CLUSTER A 1413
Open Access
- 1 September 1974
- journal article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 168 (3) , 591-602
- https://doi.org/10.1093/mnras/168.3.591
Abstract
Magnitudes have been measured by photographic photometry for galaxies within 5 arcmin of the centre of the very rich cluster A1413. The differential luminosity function shows a maximum at an absolute total V magnitude of – 21.30. The absolute magnitude difference between this and the brightest cluster member is 3.59, which is closely consistent with the correlation of Bautz & Abell between this parameter and cluster richness and form type. There is a significant difference between the distributions of the bright and faint galaxies; the former have a distribution consistent with spherical symmetry while the fainter galaxies show a prolate distribution aligned with the major axis of the brightest cluster member. Counts in the field of the cluster show that this effect extends over most of the cluster volume.Keywords
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