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X-Ray Valiabilities from Protostars in the RCrA Molecular Cloud

Published online by Cambridge University Press:  25 May 2016

Kenji Hamaguchi ,
Hiroshi Murakami ,
Katsuji Koyama  and
Shiro Ueno
Kenji Hamaguchi
Affiliation:
Department of Physics, Faculty of Science, Kyoto University Sakyo-ku, Kyoto 606-01, Japan
Hiroshi Murakami
Affiliation:
Department of Physics, Faculty of Science, Kyoto University Sakyo-ku, Kyoto 606-01, Japan
Katsuji Koyama
Affiliation:
Department of Physics, Faculty of Science, Kyoto University Sakyo-ku, Kyoto 606-01, Japan
Shiro Ueno
Affiliation:
Department of Physics & Astronomy, University of leicester Leicester, LE1 7RH, U.K.

Extract

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R CrA molecular cloud, at a distance of 130pc(Marraco, Rydgren 1981), is one of the active low-to-middle mass star forming regions. The core of this cloud, named Coronet, contains five protostar candidates. In 1994, we observed the Coronet Cluster using the X-ray satellite ASCA, and discovered hard X-rays from protostar candidates(Koyama et al. 1996).

Type
Session 1: Plasma and Fresh Nucleosynthesis Phenomena
Information
Symposium - International Astronomical Union , Volume 188: The Hot Universe , 1998 , pp. 234 - 235
Copyright
Copyright © Kluwer 1998 

References

Marraco, H. G., Rydgren, A.E. 1981 AJ 86, 62 CrossRefGoogle Scholar
Koyama, K., Hamaguchi, K., Ueno, S., Kobayashi, N., Eric, , Feigelson, D.. 1996 PASJ 48, L87 CrossRefGoogle Scholar
Montmerle, T., Koch-Miramond, K., Falgarone, E., Grindlay, J.E. 1983, ApJ 269, 182 CrossRefGoogle Scholar