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Line Survey of L1157 B1 Shocked Region

Published online by Cambridge University Press:  25 November 2011

T. Yamaguchi
Affiliation:
The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan. e-mail: takahiro@taurus.phys.s.u-tokyo.ac.jp
M. Sugimura
Affiliation:
The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan. e-mail: takahiro@taurus.phys.s.u-tokyo.ac.jp
T. Sakai
Affiliation:
The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan. e-mail: takahiro@taurus.phys.s.u-tokyo.ac.jp
N. Sakai
Affiliation:
The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan. e-mail: takahiro@taurus.phys.s.u-tokyo.ac.jp
S. Takano
Affiliation:
Nobeyama Radio Observatory, Minamimaki, Minamisaku, Nagano 384-1305, Japan
Y. Aikawa
Affiliation:
Department of Earth and Planetary Sciences, Kobe University, Kobe 657-8501, Japan
N. Hirano
Affiliation:
Academia Sinica, Institute of Astronomoy and Astrophysics, PO Box 23-141, Taipei, 106, Taiwan
S.-L. Liu
Affiliation:
Academia Sinica, Institute of Astronomoy and Astrophysics, PO Box 23-141, Taipei, 106, Taiwan
H. Nomura
Affiliation:
Department of Astronomy, Kyoto University, Kyoto 606-8502, Japan
Y.-N. Su
Affiliation:
Academia Sinica, Institute of Astronomoy and Astrophysics, PO Box 23-141, Taipei, 106, Taiwan
S. Takakuwa
Affiliation:
Academia Sinica, Institute of Astronomoy and Astrophysics, PO Box 23-141, Taipei, 106, Taiwan
S. Yamamoto
Affiliation:
The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan. e-mail: takahiro@taurus.phys.s.u-tokyo.ac.jp
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Abstract

We present the initial results of a spectral line survey of L1157 B1 with the Nobeyama 45 m telescope. So far, we have covered the frequencey range of 13.7 GHz (82.0–94.5 GHz and 96.3–97.5 GHz), and have detected 22 species including CH3CHO, HCOOH, HCOOCH3, HNCO, NH2CHO, CH3CN, and CCS. We have also detected the line of CH2DOH. These results demonstrate rich chemistry in this shocked region, which would mainly originate from evaporation of ice mantles by means of shocks.

Type
Research Article
Copyright
© EAS, EDP Sciences 2011

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References

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