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ASCA Observation of Groups of Galaxies

Published online by Cambridge University Press:  25 May 2016

Y. Tawara ,
S. Sato ,
A. Furuzawa ,
K. Yamashita ,
K. Isobe  and
Y. Kumai
Y. Tawara
Affiliation:
Dept. of Physics, Nagoya University, Furo-cho, Chikusa, Nagoya 464-01, Japan
S. Sato
Affiliation:
Dept. of Physics, Nagoya University, Furo-cho, Chikusa, Nagoya 464-01, Japan
A. Furuzawa
Affiliation:
Dept. of Physics, Nagoya University, Furo-cho, Chikusa, Nagoya 464-01, Japan
K. Yamashita
Affiliation:
Dept. of Physics, Nagoya University, Furo-cho, Chikusa, Nagoya 464-01, Japan
K. Isobe
Affiliation:
Toshiba Corporation, Shibaura 1-1-1, Minato, Tokyo 105-01, Japan
Y. Kumai
Affiliation:
Kumamoto-gakuen University, Ohe 2-5-1, kumamoto, 862, Japan

Extract

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Based on the ASCA observations, the X-ray features like spatial extentions and spectral properties of their component were analyzed for nearby four compact groups of galaxies; HCG62, NGC2300 group, HCG42 and HCG48. We found wide variety in their X-ray features. One of the brightest source of HCG62 shows the presence of cool component and enhanced abundance at its center, while HCG42 shows less extention and low abundance ratio of α-element to iron. For NGC 2300 group, we also found interesting feature which may be related to galaxy-intragroup medium interaction.

Type
Session 1: Plasma and Fresh Nucleosynthesis Phenomena
Information
Symposium - International Astronomical Union , Volume 188: The Hot Universe , 1998 , pp. 327 - 328
Copyright
Copyright © Kluwer 1998 

References

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