Astronomy and Astrophysics – Astrophysics
Scientific paper
1999-11-19
Astronomy and Astrophysics
Astrophysics
23 pages including 5 figures. Using PASJ2.sty, and PASJ95.sty. Accepted by PASJ
Scientific paper
We have analyzed the ASCA data of 29 nearby clusters of galaxies systematically, and obtained temperatures, iron abundances, and X-ray luminosities of their intracluster medium (ICM). We also estimate ICM mass using the beta model, and then evaluate iron mass contained in the ICM and derive the total gravitating mass. This gives the largest and most homogeneous information about the ICM derived only by the ASCA data. We compare these values with those of distant clusters whose temperatures, abundances, and luminosities were also measured with ASCA, and find no clear evidence of evolution for the clusters at z<1.0. Only the most distant cluster at z=1.0, AXJ2019.3+1127, has anomalously high iron abundance, but its iron mass in the ICM may be among normal values for the other clusters, because the ICM mass may be smaller than the other clusters. This may suggest a hint of evolution of clusters at z ~ 1.0.
Davis David S.
Fukazawa Yasushi
Go Tsuru Takeshi
Hattori Makoto
Matsumoto Hironori
No associations
LandOfFree
Gas, Iron and Gravitational Mass in Galaxy Clusters: The General Lack of Cluster Evolution at z < 1.0 does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Gas, Iron and Gravitational Mass in Galaxy Clusters: The General Lack of Cluster Evolution at z < 1.0, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Gas, Iron and Gravitational Mass in Galaxy Clusters: The General Lack of Cluster Evolution at z < 1.0 will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-445540