High signal/noise (C-13)O observations of the bipolar outflow in L1551

Details High signal/noise (C-13)O observations of the bipolar outflow in L1551 High signal/noise (C-13)O observations of the bipolar outflow in L1551

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...223l..13f&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 223, no. 1-2, Oct. 1989, p. L13-L16.

Astronomy and Astrophysics

Astrophysics

20

Carbon Monoxide, Interstellar Gas, Molecular Clouds, Signal To Noise Ratios, Herbig-Haro Objects, Molecular Spectra, Optical Thickness, Spatial Distribution, Velocity Distribution

Scientific paper

New high-signal/noise (C-13)O observations of the bipolar outflow in the molecular cloud L1551 are reported. Contrary to earlier observations of CO J = 1-0 and 2-1, no strong spatial dependence is found for the velocity profile of these spectra. The implications of these observations are such that the model of an empty shell for this source is less likely, and a model consisting of a shell which contains significant amounts of outflowing molecular gas inside the swept-up cavity walls is suggested.

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