SUMMARY OF SEQUENCE NUMBER 800069
SUMMARY OF SEQUENCE NUMBER 800069
Title: MERGING SUBSTRUCTURES IN NEARBY CLUSTERS OF GALAXIES
Observer: ROSE
Subject Category: Clusters of Galaxies
Seq: 800069 ObsId: 00893
Long-term Plan bin: no LTS bin
ABSTRACT
We propose to image a nearby rich double cluster of galaxies, A3125/A3128, with HRC-I. Ground-based optical imaging and spectroscopy, along with a ROSAT PSPC pointed observation, has established that there are at least two major mergers of subclusters ongoing in A3125/A3128 at present. Thus this double cluster represents a particularly favorable case for studying the way in which merging of substructures proceeds in the rich cluster environment. Our goal is to use the high spatial resolution of AXAF to resolve shocks and other transient disturbances in the hot intracluster medium (ICM) of A3125/A3128. These disturbances in the ICM should provide crucial information towards developing a comprehensive picture of the cluster merger phenomenon.
TARGET SUMMARY
| TARGET NAME |
RA | DEC |
TIME |
SI |
GRAT |
TYPE |
TC |
ROLL |
PRE |
PHASE |
MULTI |
PRI |
| ABELL 3128 |
52.600000 | -52.533333 |
20.00000 |
ACIS-I |
NONE |
GO |
no |
no |
no |
no |
no |
5 |
IMAGES
(NOTE: RASS images currently only available for targets LTS scheduled on or after Apr-09-2000)
PARAMETERS
Obscat Parameters
