The molecular distribution of the IRDC G351.77–0.51

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Volume 533 (September 2011)

A&A, 533 (2011) A85

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Table 5

Line parameters of the C¹⁷O and C¹⁸O(2−1) transitions. The symbol – means that the line was not observed.

Clump	v _LSR	Δv	^a	v _LSR	Δv
	[km s^-1]	[km s^-1]	[K km s^-1]	[km s^-1]	[km s^-1]	[K km s^-1]


	C¹⁷O			C¹⁸O
1^b	−2.51 ± 0.04	5.0 ± 0.1	32.1 ± 0.5	−2.65 ± 0.02	5.68 ± 0.04	84.0 ± 0.5
2	−2.21 ± 0.02	2.4 ± 0.1	8.4 ± 0.1	−2.28 ± 0.02	3.33 ± 0.06	21.3 ± 0.3
3	−2.95 ± 0.06	1.4 ± 0.2	4.2 ± 0.2	−3.16 ± 0.02	2.17 ± 0.05	10.1 ± 0.2
4	–	–	–	−3.16 ± 0.02	3.66 ± 0.06	20.8 ± 0.3
5	−2.6 ± 0.1	2.2 ± 0.3	2.3 ± 0.2	−2.66 ± 0.03	2.82 ± 0.07	11.7 ± 0.3
6^c	–	–	–	−2.5 ± 0.1	4.0 ± 0.3	6.9 ± 0.4
7	−3.35 ± 0.03	1.9 ± 0.2	3.52 ± 0.07	−3.19 ± 0.05	2.6 ± 0.1	12.1 ± 0.4
8^d	–	–	–	−3.39 ± 0.05	2.5 ± 0.1	6.8 ± 0.3
9	−21.80 ± 0.02	1.94 ± 0.09	6.33 ± 0.08	−21.70 ± 0.02	2.43 ± 0.05	14.9 ± 0.3
10	−22.80 ± 0.07	2.1 ± 0.2	1.39 ± 0.08	−22.67 ± 0.08	1.9 ± 0.2	4.5 ± 0.3
12^e	–	–	–	−22.27 ± 0.04	3.1 ± 0.1	11.1 ± 0.3
G351.62^f	–	–	–	−2.58 ± 0.03	1.66 ± 0.07	4.2 ± 0.2
	–	–	–	−22.0 ± 0.1	1.3 ± 0.2	0.8 ± 0.1

Notes. Uncertainties are the errors in the Gaussian and/or HFS fit, and do not include calibration uncertainties.

^(a)

The C¹⁷O(2−1) integrated intensity has been calculated from a Gaussian fit.

^(b)

The C¹⁸O(2−1) line has a non Gaussian red- and blue-shifted emission.

^(c)

The C¹⁸O(2−1) line has a double peak profile. The fit was performed with one component.

^(d)

The C¹⁸O(2−1) line has a non Gaussian red-shifted emission.

^(e)

The C¹⁸O(2−1) line has a non Gaussian blue-shifted emission.

^(f)

The C¹⁸O(2−1) line has two velocity components (as well as the ¹³CO (2−1) transition); the one at v_LSR = −2.6 has non Gaussian blue-shifted emission.

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