Relating Galaxy Cluster X-Ray Luminosities to Gravitational Masses in Wide Angle Surveys

Details Relating Galaxy Cluster X-Ray Luminosities to Gravitational Masses in Wide Angle Surveys Relating Galaxy Cluster X-Ray Luminosities to Gravitational Masses in Wide Angle Surveys

2000-10-27

arxiv.org/abs/astro-ph/0010575v1

Astronomy and Astrophysics

Astrophysics

3 pages; to be published in the Proceedings of the Workshop on Mining the Sky, Garching (2000); also available at http://www

Scientific paper

10.1007/10849171_20

It is shown that galaxy cluster surveys selecting clusters by their X-ray
luminosity effectively select by cluster mass. It is shown that a selection
based solely on Abell galaxy richness is less efficient in terms of mass.
Furthermore the empirical X-ray luminosity - gravitational mass relation and
its scatter is quantified and the relation is compared to predicted relations.

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