Cold gas as an ice diagnostic toward low mass protostars

Free Access

Table 3:

The calculated temperatures and column densities.
Source	Molecule	Line width	$T_{\rm rot}$	$N_{\rm X}$
		(km s^-1)	(K)	( $\times10^{13}$ cm^-2)
IRAS 03254	CH₃OH	0.42-0.49	6 $\pm$ 2	1.8 $\pm$ 1.8
	HNCO	0.77	$\sim$ 4	$\sim$ 0.48
B1-b	CH₃OH	0.77-0.88	7 $\pm$ 1	25 $\pm$ 13
	HNCO	0.86	$\sim$ 7	$\sim$ 2.4
L1489 IRS	CH₃OH	0.75-0.97	6 $\pm$ 2	1.8 $\pm$ 1.3
	HNCO	-	$\sim$ 6	<0.095
SVS 4-5	CH₃OH	2.4-4.0	7 $\pm$ 1	27 $\pm$ 10
	HNCO	2.6-2.9	9 $\pm$ 6	0.38 $\pm$ 0.38
Elias 29^a	CH₃OH	1.3	$\sim$ 9	$\sim$ 0.73
R CrA 7A^b	CH₃OH	2.4-3.0	18 $\pm$ 2	59 $\pm$ 28
R CrA 7B^b	CH₃OH	2.1-2.6	19 $\pm$ 1	94 $\pm$ 28

^a Buckle & Fuller (2002); ^b derived from Schöier et al. (2006) using rotational diagrams.

Source LaTeX | All tables | In the text

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.