Journal Article

The distribution of C<sub>2</sub>S and NH<sub>3</sub> in two Bok globules at different evolutionary stages: CB246 and CB34

Claudio Codella and Flavio Scappini

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 298, issue 4, pages 1092-1096
Published in print August 1998 | ISSN: 0035-8711
Published online August 1998 | e-ISSN: 1365-2966 | DOI: http://dx.doi.org/10.1111/j.1365-8711.1998.01729.x
The distribution of C2S and NH3 in two Bok globules at different evolutionary stages: CB246 and CB34

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Abstract

Two Bok globules, L1253 (CB246) and CB34, have been mapped in the C2S (21-10) transition and in the NH3 (1, 1) and NH3 (2, 2) inversion transitions, respectively. By comparing the C2S map of L1253 (CB246) with the NH3 map of the same globule from Lemme et al., a clumped onion structure results as a consequence of the chemical and dynamical evolution of the object. From the derived parameters it appears that both L1253 (CB246) and CB34 are close to virial equilibrium.

Keywords: molecular data; stars: formation; ISM: clouds; ISM: globules; ISM: molecules; radio lines: ISM

Journal Article.  0 words. 

Subjects: Astronomy and Astrophysics

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