SUMMARY OF PROPOSAL 52194
OBSERVATORIES OF THE CARNEGIE INSTITUTION OF WASHINGTON
813 SANTA BARBARA ST.
CA USA 91101
Tel: (818)-304-0257 Fax: (818)-795-8136
Subject: CLUSTERS OF GALAXIES AND SUPERCLUSTERS
ASCA OBSERVATIONS OF THE INTRA-GROUP MEDIUM IN POOR GROUPS OF GALAXIES
ABSTRACTWe propose to obtain ASCA observations of three groups of galaxies known to contain a diffuse intra-group medium based on ROSAT PSPC observations. These observations will allow us to address the following questions: 1) What is the typical temperature and metalicity of the intra-group medium in poor groups? 2) What is the origin of the intra-group medium? 3) What are the total masses of poor groups? 4) What are the baryonic fractions in poor groups?. We have selected three groups, which while X-ray bright, are distant enough that they can effectively be studied with the SIS in 2-CCD mode.
|CO-I NAME ||INSTITUTE ||COUNTRY |
|DAVID DAVIS||U. OF ALABAMA||USA|
| RICHARD MUSHOTZKY||NASA/GSFC||USA|
| DAVID BURSTEIN||ARIZONA STATE U.||USA|
|TARGET NAME||PRI||RA||DEC||TIME||TC||OFF||GIS||SIS CNT||OBS|
|1)NGC 4325 GROUP|| 1||185.7779|| 10.6211|| 30 ks||N||Y||P||0.16000||1|
|3)NGC 6269 GROUP|| 3||254.4921|| 27.8543|| 40 ks||N||Y||P||0.07000||1|