SUMMARY OF PROPOSAL 51221

DR. YASUSHI IKEBE
IKEBE@POSTMAN.RIKEN.GO.JP

RIKEN
SAITAMA JAPAN 351-01
WAKO-SHI
2-1 HIROSAWA
Tel: 048-462-1111 EX.3228 Fax: 048-462-4640
Medium: 4GBDAT
Subject: CLUSTERS OF GALAXIES AND SUPERCLUSTERS

SEARCH FOR DIFFUSE X-RAY EMISSION SURROUNDING GROUP OF GALAXIES


ABSTRACT

From observational facts and theoretical arguments, groups of galaxies are thought to be very funny objects. They contain very old galaxies named elliptical galaxies, while they must be very young system dynamically. Therefore we propose the model that group of galaxies were formed quite recently in supercluster environment. We propose to observe one of the nearest group of galaxies, HCG68, to look for diffuse X-ray emission associated with supercluster.

CO-INVESTIGATORS
CO-I NAME INSTITUTE COUNTRY
MAKOTO HATTORITOHOKU-UNIV.JAPAN
TAKAYA OHASHITOKYO METRO-UNIV.JAPAN
KEN'ICHI KIKUCHITOKYO METRO-UNIV.JAPAN
YASUSHI FUKAZAWAUNIV. OF TOKYOJAPAN
HAJIME EZAWAUNIV. OF TOKYOJAPAN
TAKAYUKI TAMURAUNIV. OF TOKYOJAPAN

TARGETS

TARGET NAMEPRIRADECTIMETCOFFGISSIS CNTOBS
1)HCG68
3
208.4204 40.3281 40 ksN
Y
P
0.09000
1