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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
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
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
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Kawabe, R., Suzuki, M., Hirano, N., Akabane, K., Bársony, M., Najita, J.R., Kameya, O. and Ishiguro, M. 1992, PASJ, 44, 435.Google Scholar