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:	14 May 2023 19:07
URI:	https://orca.cardiff.ac.uk/id/eprint/52820

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