Herschel/HIFI observations of red supergiants and yellow hypergiants - I. Molecular inventory

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Volume 545 (September 2012)

A&A, 545 (2012) A99

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Table 4

Same as Table 3 for the spectral line observed in AFGL 2343 and Betelgeuse.

				Betelgeuse			AFGL 2343
			Rest freq.	Peak⁽⁶⁾	Integ. intensity	Vel. range⁽²⁾	Peak⁽⁶⁾	Integ. intensity	Vel. range⁽²⁾
Species	Transition	(K)	(GHz)	(mK)	(K km s^-1)	LSR (km s^-1)	(mK)	(K km s^-1)	LSR (km s^-1)

¹²CO	J = 6−5	116	691.473	654(17)⁽³⁾	13.2	[–12; 24]	261(13)⁽⁴⁾	11.9	[61; 135]
	J = 10−9	304	1151.985	762(54)⁽³⁾	13.4	[–12; 21]	211(26)⁽⁵⁾	6.94	[61; 137]
	J = 16−15	752	1841.346	866(58)⁽³⁾	13.6	[–11; 22]	<111^(1,5)	–	–

¹³CO	J = 6−5	111	661.067	136(7)⁽³⁾	2.83	[–10; 18]	87(6)⁽⁴⁾	3.00	[62; 133]
	J = 10−9	291	1101.350	160(20)⁽³⁾	2.45	[–9; 23]	<156^(1,4)	–	–
	J = 16−15	719	1760.486	187(50)⁽⁵⁾	2.68	[–9; 22]	<105^(1,5)	–	–

o-H₂O	J_{K_a,K_c} = 1_1,0–1_0,1	27	556.936	35(4)⁽⁴⁾	0.61	[–6; 21]	36(4)⁽⁴⁾	1.41	[62; 132]
	J_{K_a,K_c} = 3_2,1–3_1,2	271	1162.912	<112^(1,5)	–	–	98(35)⁽⁵⁾	4.26	[73 ;131]

p-H₂O	J_{K_a,K_c} = 1_1,1–0_0,0	53	1113.343	72(16)⁽⁴⁾	1.54	[–9; 21]	49(13)⁽⁴⁾	1.93	[77; 130]

OH	J = 3/2–1/2	270	1834.747	208(34)⁽⁴⁾	4.45	[–10; 20]	362(30)⁽⁵⁾	14.0	[64; 129]

Notes.

^(†)

For o-H₂O, the energies are relative to that of the lowest ortho level (J_{K_a,K_c} = 1_0,1), since o-H₂O and p-H₂O behave as different species.

⁽¹⁾

Non-detections are given as 3-σ;

⁽²⁾

range over which the integrated intensity is computed;

⁽³⁾

computed in bins of order 0.5 km s^-1;

⁽⁴⁾

computed in bins of order 1 km s^-1;

⁽⁵⁾

computed in bins of order 2 km s^-1;

⁽⁶⁾

computed as the line maximum minus 1.5 × the noise rms, indicated in italics between brackets (1-σ).

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