Dense molecular cocoons in the massive protocluster W3 IRS5: a test case for models of massive star formation

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Volume 558 (October 2013)

A&A, 558 (2013) A69

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Table 3

Gaussian decomposition of the line profiles in W3 IRS5.

		Zone A:SMM1/SMM2			Zone B:SMM3/SMM4

Molecule	Transition	W^a	ΔV^b	V _LSR ^c	W^a	ΔV^b	V _LSR^c
		(Jy beam^-1 km s^-1)	(km s^-1)	(km s^-1)	(Jy beam^-1 km s^-1)	(km s^-1)	(km s^-1)

CS^d	7–6
SO	8₈–7₇	412.9 ± 2.2	9.0 ± 0.1	−39.0 ± 0.1	207.8 ± 2.5	7.4 ± 0.1	−39.0 ± 0.1
³³SO^e	8₉–7₈	68.9 ± 0.5	6.0 ± 0.1	−39.1 ± 0.1	25.7 ± 0.6	4.4 ± 0.1	−38.9 ± 0.1
SO₂	34_3,31–34_2,32	83.8 ± 0.6	7.1 ± 0.1	−39.1 ± 0.1	15.6 ± 0.5	5.6 ± 0.2	−39.1 ± 0.1
	24_2,22–23_3,21v₂ = 1	4.4 ± 0.3	5.1 ± 0.4	−39.4 ± 0.2
³³SO₂^e	19_4,16–19_3,17	4.1 ± 0.3	4.1 ± 0.4	−39.8 ± 0.2
³⁴SO₂	10_4,6–10_3,7	35.1 ± 0.4	5.5 ± 0.1	−39.3 ± 0.1	8.3 ± 0.3	4.3 ± 0.2	−39.3 ± 0.1
	19_1,19–18_0,18	63.0 ± 0.5	6.1 ± 0.1	−39.3 ± 0.1	14.8 ± 0.4	4.1 ± 0.1	−39.4 ± 0.1
	14_7,7–15_6,10	2.1 ± 0.3	6.0 ± 1.0	−39.2 ± 0.4
	34_3,31–34_2,32	4.4 ± 0.4	4.8 ± 0.5	−38.3 ± 0.2
	19_8,12–20_7,13	1.2 ± 0.2	2.2 ± 0.4	−39.2 ± 0.2
HCN^d	4–3
	4–3 v₂ = 1	24.5 ± 1.0	10.2 ± 0.5	−38.2 ± 0.2
HC¹⁵N	4–3	7.8 ± 0.4	9.5 ± 0.5	−37.7 ± 0.2	3.7 ± 0.2	2.3 ± 0.2	−38.3 ± 0.1
H₂CS^f	10_0,10–9_0,9
HNCO^e	16_1,15–15_1,14	2.0 ± 0.3	4.9 ± 1.0	−39.4 ± 0.4
CH₃OH	13₁–13₀A	0.7 ± 0.2	3.4 ± 1.3	−37.7 ± 0.5	6.1 ± 0.2	2.3 ± 0.1	−38.5 ± 0.1

Notes. The beam size for all transitions listed in this table is about , PA − 12°.

^(a)

Integrated intensity.

^(b)

F WHM line width.

^(c)

Line center LSR velocity.

^(d)

Not attempted to perform Gaussian decomposition due to missing flux and complex line profile.

^(e)

With hyperfine transitions. Total W is reported.

^(f)

Peaked toward zone C.

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