On the mass-to-light ratios of fossil groups. Are they simply dark clusters?

Author(s)

Proctor, Robert N. ^[1] ; de Oliveira, Claudia Mendes ^[1] ; Dupke, Renato ^{[2, 3, 4]} ; de Oliveira, Raimundo Lopes ^{[5, 6]} ; Cypriano, Eduardo S. ^[1] ; Miller, Eric D. ^[7] ; Rykoff, Eli ^[8]

Affiliation

^[1] Univ Sao Paulo, IAG, BR-05508900 Sao Paulo - Brazil

^[2] Univ Michigan, Ann Arbor, MI 48109 - USA

^[3] Eureka Sci Inc, Oakland, CA 94602 - USA

^[4] Observ Nacl, BR-20921400 Rio De Janeiro - Brazil

^[5] Univ Sao Paulo, Inst Fis Sao Carlos, BR-13560970 Sao Carlos, SP - Brazil

^[6] Univ Fed Sergipe, Dept Fis, BR-49100000 Sao Cristovao, SE - Brazil

^[7] MIT, Kavli Inst Astrophys & Space Res, Cambridge, MA 02139 - USA

^[8] EO Lawrence Berkeley Natl Lab, Berkeley, CA 94720 - USA

• Document type: Journal article
• Source: Monthly Notices of the Royal Astronomical Society; v. 418, n. 3, p. 2054-2073, DEC 2011.
• Web of Science Citations: 37

Abstract

Defined as X-ray bright galaxy groups with large differences between the luminosities of their brightest and second brightest galaxies, fossil groups are believed to be some of the oldest galaxy systems in the Universe. They have therefore been the subject of much recent research. (AU)

• FAPESP's process: 09/06295-7 - High energy astrophysics
• Grantee: Raimundo Lopes de Oliveira Filho
• Support type: Research Grants - Young Investigators Grants
• FAPESP's process: 09/07154-8 - A study of galaxy clusters and cosmology through gravitational lensing and other techniques
• Grantee: Eduardo Serra Cypriano
• Support type: Regular Research Grants
• FAPESP's process: 10/08341-3 - High energy astrophysics
• Grantee: Raimundo Lopes de Oliveira Filho
• Support type: Scholarships in Brazil - Young Researchers
• FAPESP's process: 08/57331-0 - Probing the properties of stellar populations in galaxies with environment and redshift using large-scale surveys
• Grantee: Robert Neil Proctor
• Support type: Scholarships in Brazil - Post-Doctorate