SUMMARY OF PROPOSAL 71152
UNIVERSITY OF TOKYO
7-3-1 HONGO
BUNKYO-KU
TOKYO JAPAN 113-0033
Tel: 03-3812-2111 EXT.4171 Fax: 03-3812-6938
Medium: 2.5GB8MM
Subject: CLUSTERS OF GALAXIES AND SUPERCLUSTERS
A NEW NEARBY X-RAY BRIGHT CLUSTER, RXJ0419.6+0225
ABSTRACT
A new, very nearby (z=0.0123) poor cluster, RXJ0419.6+0225, was discovered in the ROSAT All Aky Survey. It is among the brightest clusters in the 0.1-2.4 keV band, with the X-ray flux reaching a quarter that of the Centaurus cluster. Nevertheless, it is dominated by a single elliptical galaxy NGC1550, with little optical evidence for clustering. We propose a 80 ksec ASCA observation of this fascinating nearlest dark cluster.
CO-INVESTIGATORS
CO-I NAME | INSTITUTE | COUNTRY |
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YASUSHI FUKAZAWA | UNIVERSITY OF TOKYO | JAPAN |
YASUSHI IKEBE | MPE GARCHING | GERMANY |
YASUO TANAKA | MPE GARCHING | GERMANY |
HANS BOEHRINGER | MPE GARCHING | GERMANY |
TAKAYA OHASHI | TOKYO METROPOLITAN U | JAPAN |
KYOKO MATSUSHITA | TOKYO METROPOLITAN U | JAPAN |
HAJIME EZAWA | TOKYO METROPOLITAN U | JAPAN |
TAKAYUKI TAMURA | ISAS | JAPAN |
HAIGUANG XU | SHANGHAI JIAOTONG U. | CHINA |
TARGETS
TARGET NAME | PRI | RA | DEC | TIME | TC | OFF | GIS | SIS CNT | OBS |
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1)RXJ0419.6+0225 | B | 64.8958 | 2.4167 | 80 ks | N | Y | P | 1.20000 | 1 |