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An Interferometric Observation of the NGC 7538 Molecular Cloud Core

Published online by Cambridge University Press:  12 April 2016

Osamu Kameya ,
Ryohei Kawabe ,
Koh-Ichiro Morita ,
Masato Ishiguro  and
Naomi Hirano
Osamu Kameya
Affiliation:
National Astronomical Observatory, Mizusawa
Ryohei Kawabe
Affiliation:
National Astronomical Observatory, Nobeyama
Koh-Ichiro Morita
Affiliation:
National Astronomical Observatory, Nobeyama
Masato Ishiguro
Affiliation:
National Astronomical Observatory, Nobeyama
Naomi Hirano
Affiliation:
Hitotsubashi University

Extract

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A high-spatial-resolution observation of the NGC 7538 molecular cloud core has been performed with the Nobeyama Millimeter Array. We report on the detailed structure of the region including IRS1-3 complex and IRS11 based on the CS J = 1−0 line observational results.

The observation was done in December, 1988. The field center was at R.A. (1950)=23h11m36.8s, Dec (1950)=61° 11′ 10″ which is between IRS1-3 complex and IRS11. The primary beam, 2.5’(FWHM), was large enough to cover both IRS1-3 complex and IRS11. We used 18 baselines, and the synthesized beam became 10.6″×10.4″ (natural weight).

Type
3. Astronomical Results and Prospects
Information
International Astronomical Union Colloquium , Volume 140: Astronomy with Millimeter and Submillimeter Wave Interferometry , 1994 , pp. 257
Copyright
Copyright © Astronomical Society of the Pacific 1994

References

Kameya, O., Hasegawa, T.I., Hirano, N., Takakubo, K. and Seki, M., 1989. Ap.J., 339, 222.Google Scholar
Kameya, O., Morita, K.I., Kawabe, R. and Ishiguro, M. 1990, Ap.J., 355, 562.CrossRefGoogle Scholar
Kawabe, R., Suzuki, M., Hirano, N., Akabane, K., Bársony, M., Najita, J.R., Kameya, O. and Ishiguro, M. 1992, PASJ, 44, 435.Google Scholar