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Testing grain surface chemistry: a survey of deuterated formaldehyde and methanol in low-mass class 0 protostars

Parise, Berengere, Ceccarelli, C, Tielens, A. G G. M., Castets, A, Caux, E, Lefloch, B and Maret, S 2006. Testing grain surface chemistry: a survey of deuterated formaldehyde and methanol in low-mass class 0 protostars. Astronomy & Astrophysics 453 (3) , pp. 949-958. 10.1051/0004-6361:20054476

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Abstract

Despite the low cosmic abundance of deuterium (D/H ~ 10-5), high degrees of deuterium fractionation in molecules are observed in star-forming regions with enhancements that can reach 13 orders of magnitude, a level that current models have difficulty accounting for.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Q Science > QC Physics
Uncontrolled Keywords: ISM: abundances; ISM: molecules; stars: formation
Additional Information: Pdf uploaded in accordance with publisher's policy at http://www.sherpa.ac.uk/romeo/issn/0004-6361/ (accessed 16/04/2014)
Publisher: EDP Sciences
ISSN: 0004-6361
Date of First Compliant Deposit: 30 March 2016
Last Modified: 19 Mar 2016 09:42
URI: http://orca.cf.ac.uk/id/eprint/52820

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