Observational tests of interstellar methanol formation

E. S. Wirström; W. D. Geppert; Å. Hjalmarson; C. M. Persson; J. H. Black; P. Bergman; T. J. Millar; M. Hamberg; E. Vigren

doi:10.1051/0004-6361/201116525

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Volume 533 (September 2011)

A&A, 533 (2011) A24

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Table 2

Observed sources.

	RA (J2000.0)	Dec (J2000.0)	v_LSR	Distance	η_mb	η_mb	η_mb
Source	(^h ^m ^s)	(° ′ ″)	(km s^-1)	(kpc)	(CH₃OH)	(¹²C¹⁸O)	(¹³C¹⁸O)

W51 e1/e2	19 23 44.0	+ 14 30 29	+ 57	7 ^a	0.43	-	-
NGC 2264 IRS1	06 41 10.1	+ 09 29 36	+ 8	0.9 ^b	0.42	-	-
DR21 (OH)	20 39 00.9	+ 42 22 38	−3	3 ^c	0.51	-	-
NGC 7538 IRS9	23 14 01.7	+ 61 27 20	−57	2.7 ^d	0.52	0.46	0.48
S140 IRS1	22 19 18.2	+ 63 18 47	−7	0.9 ^e	0.52	0.46	0.48
NGC 7538 IRS1	23 13 45.4	+ 61 28 11	−57	2.7 ^d	0.40	-	-
AFGL 2591	20 29 24.7	+ 40 11 19	−6	1^f	0.47	-	-

NGC 2024 IRS2	05 41 45.8	−01 54 34	+ 12
W3 IRS5	02 25 40.6	+ 62 05 51	−39

Notes. The sources in the second part of the table, below the line, did not have strong enough methanol emission to be includedin the analysis, and therefore the parameters relevant for the analysis have been omitted.

References. .

^(a)

Genzel et al. (1981);

^(b)

Neri et al. (1993);

^(c)

Very uncertain, see Pipenbrink & Wendker (1988);

^(d)

Moscadelli et al. (2009);

^(e)

Crampton & Fisher (1974);

^(f)

Very uncertain, see van der Tak et al. (1999)

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