Complex molecule formation in grain mantles | Astronomy & Astrophysics (A&A)

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Volume 517 (July 2010)

A&A, 517 (2010) A1

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Table 12:

Molecular abundance in a sample of four low-mass protostars (Bottinelli et al. 2007).
Molecule	IRAS16293-2422	NGC1333-IRAS4A	NGC1333-IRAS4B	NGC1333-IRAS2A	Ref.
H₂CO	$1.0\times10^{-7}$	$2.0\times10^{-8}$	$3.0\times10^{-6}$	$2.0\times10^{-7}$	1,2,3
CH₃OH	$1.0\times10^{-7}$	< $1.0\times10^{-8}$	$7.0\times10^{-7}$	$3.0\times10^{-7}$	4
HCOOCH₃-A	$1.7\times10^{-7}$	$3.4\times10^{-8}$	$1.1\times10^{-6}$	< $6.7\times10^{-7}$	5,2,6
HCOOH	$6.2\times10^{-8}$	$4.6\times10^{-9}$	< $1.0\times10^{-6}$	< $1.2\times10^{-7}$	5,2,6
CH₃OCH₃	$2.4\times10^{-7}$	< $2.8\times10^{-8}$	< $1.2\times10^{-6}$	$3.0\times10^{-8}$	5,2,6,7
CH₃CN	$1.0\times10^{-8}$	$1.6\times10^{-9}$	$9.5\times10^{-8}$	$8.7\times10^{-9}$	5,2,6
C₂H₅CN	$1.2\times10^{-8}$	< $1.2\times10^{-9}$	< $7.5\times10^{-7}$	< $1.0\times10^{-7}$	5,2,6

References. (1) Ceccarelli et al. (2000); (2) Bottinelli et al. (2004); (3) Maret et al. (2004); (4) Maret et al. (2005); (5) Cazaux et al. (2003); (6) Bottinelli et al. (2007); (7) Jørgensen et al. (2005).

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