High signal/noise ¹³CO observations of the bipolar outflow in L1551

Fridlund, C. V. M. and White, G. J. (1989). High signal/noise ¹³CO observations of the bipolar outflow in L1551. Astronomy and Astrophysics, 223 L13-L16.

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Abstract

New high-signal/noise ¹³CO 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.

Item Type:	Journal Article
Copyright Holders:	1989 European Southern Observatory
ISSN:	1432-0746
Keywords:	carbon monoxide; interstellar gas; molecular clouds; signal to noise ratios; herbig-haro objects; molecular spectra; optical thickness; spatial distribution; velocity distribution
Academic Unit/Department:	Science > Physical Sciences
Interdisciplinary Research Centre:	Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
Item ID:	33342
Depositing User:	Glenn White
Date Deposited:	18 May 2012 09:54
Last Modified:	19 May 2012 15:53
URI:	http://oro.open.ac.uk/id/eprint/33342

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