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CO Observations of a Cometary Globule in IC1396

Published online by Cambridge University Press:  04 August 2017

Makoto Nakano ,
Yoshio Tomita ,
Hiroshi Ohtani ,
Katsuo Ogura  and
Yoshiaki Sofue
Makoto Nakano
Affiliation:
Department of Astronomy, University of Kyoto, Japan
Yoshio Tomita
Affiliation:
Department of Astronomy, University of Kyoto, Japan
Hiroshi Ohtani
Affiliation:
Department of Astronomy, University of Kyoto, Japan
Katsuo Ogura
Affiliation:
Kokugakuin University, Japan
Yoshiaki Sofue
Affiliation:
Nobeyama Radio Observatory, Japan

Extract

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A cometary globule in IC1396 named ”comet tail 6” by Osterbrock (1957), has been observed at CO and 13CO (J = 1-0) lines with a high spatial resolution, 14″, with the 45-m radio telescope at the Nobeyama Radio Observatory. The resolution corresponds to a linear size of 0.05 pc at the distance of 750 pc (Matthews 1979). Two possible pre-main sequence stars, LkHα 349 and LkHα 349/c (Cohen and Kuhi 1979), associated with small nebulosities nestle in the central part of the globule. We have obtained CO and 13CO spectra long NS and EW strips which cross each other at the position of LkHα 349 and have mapped a 1.5′x1.5′ area around the globule center at 13CO. Results from the observations are summarized as follows:

Type
I. Star Forming Processes in the Solar Neighborhood
Information
Symposium - International Astronomical Union , Volume 115: Star Forming Regions , 1987 , pp. 78 - 80
Copyright
Copyright © Reidel 1987 

References

Cohen, M., and Kuhi, L.V.: 1979, Astrophys. J. Suppl. 41, 743.CrossRefGoogle Scholar
Osterbrock, D.E.: 1957, Astrophys. J. 125, 622.CrossRefGoogle Scholar
Pottasch, S.: 1958, Bull. Astron. Netherlands, 14, 29.Google Scholar
Matthews, H.E.: 1979, Astron. Astrophys. 75, 345.Google Scholar