Far-infrared CO line emission of protostars in NGC 1333

Caux, E.; Ceccarelli, C.; Castets, A.; Loinard, L.; Molinari, S.; Saraceno, P.; Smith, H. A. and White, G. J. (1999). Far-infrared CO line emission of protostars in NGC 1333. In: The Universe as Seen by ISO, 20-23 October 1998, ESTEC, Holland.

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URL:	http://adsabs.harvard.edu/abs/1999ESASP.427..643C
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Abstract

Using the Long Wavelength Spectrometer aboard ISO, we have observed three very young sources (Class 0 or I) in the molecular cloud NGC1333. We discuss in this contribution the FIR CO line emission observed towards the sources themselves and conclude that both a rather warm (~ 1500 K) and dense (~ 10⁵ cm^-3) gas or a colder (~ 300 K) and much denser (≥ 108 cm^-3) gas are consistent with the data. Based on this analysis only we cannot distinguish between the two cases and therefore assess whether the observed emission originates in a shock associated with the outflow or in the innermost, dense and warm regions of the envelopes that surround these sources.

Item Type:	Conference Item
Copyright Holders:	1999 European Space Agency
Extra Information:	The Universe as Seen by ISO. Eds. P. Cox & M. F. Kessler. ESA-SP 427. pp. 643-646
Keywords:	molecular lines; star formation
Academic Unit/Department:	Science > Physical Sciences
Interdisciplinary Research Centre:	Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
Item ID:	33309
Depositing User:	Glenn White
Date Deposited:	03 May 2012 14:40
Last Modified:	04 May 2012 03:49
URI:	http://oro.open.ac.uk/id/eprint/33309

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