Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pasj...43..363y&link_type=abstract
Astronomical Society of Japan, Publications (ISSN 0004-6264), vol. 43, no. 2, 1991, p. 363-379.
Astronomy and Astrophysics
Astronomy
15
A Stars, B Stars, Early Stars, Molecular Clouds, Molecular Flow, Nebulae, Astronomical Maps, Bipolarity, Carbon Monoxide, Carbon 13, Line Spectra, Stellar Spectra
Scientific paper
Molecular line and optical observations have been carried out for the Herbig Be/Ae star MWC 1080 as well as its nearby nebulosity and molecular cloud. This paper presents the results of molecular-line mapping observations. An area of 2 x 2 arcmin around the star was mapped for the J = 1-0 transitions of CO, (C-13)O, and CS with a grid spacings of 15 arcsec. The CO observations have revealed the bipolar nature of molecular outflow; (C-13)O and CS observations have disclosed a disk structure with a cavity or face-on doughnut-like structure. The diameters of the disk and the cavity are about 90 arcsec and 30 arcsec, respectively. The physical parameters of bipolar flow are also derived.
Kogure Tomokazu
Nakano Makoto
Tatematsu Ken'ichi
Wiramihardja Suhardja D.
YOSHIDA Shigeomi
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