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Program Number
Program Name Galaxy Cluster Scaling Relations                     
Ken Rines, Margaret Geller [email]  [web]  
Co-Investigator(s) Michael Kurtz, Massimo Ramella (Trieste), Hans Boehringer (MPE), Antonaldo Diaferio (U Torino)


The 2MACS (2MASS Abell Cluster Survey) project is a cleanly surveyed sample of 73 northern Abell clusters. By using the redshifts to obtain robust mass estimates to large radius, we plan to explore the low temperature behavior of x-ray mass-temperature scaling relation. It will enable further investigation of additional aspects of galaxy formation theories including : (1) variation in mass-to-light ratio with cluster mass and (2) change in the efficiency of galaxy formation with cluster mass (scaling of the dark matter halo occupation number with mass).
Spectra [search in archive]
Trimester(s) data taken 1997b, 1998abc, 1999abc, 2000abc, 2001abc, 2002abc, 2003abc, 2004abc, 2005ab

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