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The Environment of Tycho: Possible Interaction with Molecular Clouds

Published online by Cambridge University Press:  19 July 2016

Jae-Joon Lee ,
Bon-Chul Koo  and
Keni'chi Tatemastu
Jae-Joon Lee
Affiliation:
Astronomy Program, SEES, Seoul National University, Korea
Bon-Chul Koo
Affiliation:
Astronomy Program, SEES, Seoul National University, Korea
Keni'chi Tatemastu
Affiliation:
National Astronomical Observatory of Japan

Abstract

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We have conducted 12CO observations with the Nobeyama 45-m telescope in the area of Tycho's supernova remnant. These high-resolution (16″) data show that the molecular cloud surrounds the SNR along the northeastern boundary. We suggest that Tycho's SNR and the molecular cloud are located at comparable distances within the Perseus arm and that they are physically interacting. We also discuss the possible connection between the molecular cloud and the Balmer-dominated optical filaments and propose that the preshock gas may be accelerated within the cosmic-ray and/or fast neutral precursor.

Type
Part 2: Supernova Remnants
Information
Symposium - International Astronomical Union , Volume 218: Young Neutrons Stars and their Environments , 2004 , pp. 71 - 72
Copyright
Copyright © Astronomical Society of the Pacific 2004 

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