The Complete Local Volume Groups Sample - I
MNRAS 000,1–55 (2015) Preprint 29 August 2017 Compiled using MNRAS LATEX style file v3.0 The Complete Local Volume Groups Sample - I. Sample Selection and X-ray Properties of the High–Richness Subsample Ewan O’Sullivan?1;2, Trevor J. Ponman2, Konstantinos Kolokythas3, Somak Raychaudhury2;3;4, Arif Babul5;6, Jan M. Vrtilek1, Laurence P. David1 Simona Giacintucci7, Myriam Gitti8;9, Christopher P. Haines10 1 Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138 2 School of Physics and Astronomy, University of Birmingham, Birmingham, B15 2TT, UK 3 Inter-University Centre for Astronomy and Astrophysics, Pune 411007, India 4 Department of Physics, Presidency University, 86/1 College Street, 700073 Kolkata, India 5 Department of Physics and Astronomy, University of Victoria, Victoria, BC V8P 1A1, Canada 6 Center for Theoretical Astrophysics and Cosmology, Institute for Computational Science, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland 7 Naval Research Laboratory, 4555 Overlook Avenue SW, Code 7213, Washington, DC 20375, USA 8 Dipartimento di Fisica e Astronomia - Universita´ di Bologna, via Gobetti 93/2, 40129 Bologna, Italy 9 INAF - Instituto di Radioastronomia di Bologna, via Gobetti 101, 40129 Bologna, Italy 10 INAF - Osservatorio Astronomico di Brera, via Brera 28, 20122 Milano, via E. Bianchi 46, 23807 Merate, Italy Accepted 2017 August 9; Received 2017 August 8; in original form 2017 June 28 ABSTRACT We present the Complete Local-Volume Groups Sample (CLoGS), a statistically complete optically-selected sample of 53 groups within 80 Mpc. Our goal is to combine X-ray, radio and optical data to investigate the relationship between member galaxies, their active nuclei, and the hot intra-group medium (IGM).
[Show full text]