The EDIBLES survey - VII. A survey of C2 and C3 in interstellar clouds

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Volume 681 (January 2024)

A&A, 681 (2024) A6

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Table C.1

Best-fit parameters of the C₂ model in our 40 sightlines, and literature values for comparison.

	This Work					Literature
Sightline^a	T_kin	n	N	b	υ_off^b	T_kin	n	Ref
	(K)	(cm⁻³)	(10¹³ cm⁻²)	(km ⋅ s⁻¹)	(km ⋅ s ¹)	(K)	(cm⁻³)
HD 22951^c
HD 23016^c
HD 23180						50		[1]
HD 24398						50		[1]
HD 27778						50±10		[1]
HD 41117

HD 45314
HD 54239^c
HD 61827

HD 63804
HD 73882						20±5		[1]
HD 80558
HD 112272

HD 147084						35±10		[2]

HD 147683						55±5	95	[3]
HD 147888						55±5		[1]
HD 147889						39±2	199±7	[4]
HD 147933								[5]
HD 148184						45±12	209±60	[4]
						50±15		[1]
HD 148937
HD 149404

HD 149757						43 ±19	177±55	[6]
						20±10		[7]
						30±10		[7]
						50± 5		[1]
HD 152248
HD 154043
HD 154368						30±2	204±8	[6]
						20±5		[1]
HD 161056

HD 165319
HD 167971
								[5]

HD 169454						19±2	326±17	[4]
						20±5		[1]
						25	400±100	[8]
HD 170740						21 ±9	161±16	[6]
HD 170938
HD 171957
HD 179406						38±9	251±83	[4]
HD 183143								[5]

HD 185418
HD 185859
HD 186745

HD 186841

HD 203532						30±10	210	[3]
HD 210121						45 ±5		[1]
HD 23478						30± 10	190	[3]
HD 24534						45 ±10		[1]
HD 28975						30	125	[9]
HD 29647						10	≥ 175	[9]
						14±8		[10]
HD 62542						40±5		[11]
						30± 10		[1]
HD 76341						34±20	300±200	[4]
HD 80077						35	600±300	[8]
						20± 5		[1]
HD 114213						25	400±100	[8]
HD 115842						53±30	242±217	[6]
HD 136239						29±5	226±30	[6]
HD 148379						38±27	152±77	[6]
HD 151932						33±8	163± 20	[6]
HD 152236						27 ±7	176±24	[6]
HD 154445						18±18	101 ± 17	[6]
HD 163800						38±15	169±43	[4]
HD 172028						30	300±100	[8]
						40±10		[1]
HD 177989						20	210	[3]
HD 198781						55 ±45	≤45	[3]
HD 200775						15±5		[1]
HD 204827						40±5		[1]
HD 206267						35±5		[1]
						30±10	280	[3]
HD 207198						60±10		[1]
HD 207308						35±15	190	[3]
HD 207538						35±15		[1]
HD 208266						10	210	[3]
HD 210839						30		[1]
HD 220057						90	165	[3]
BD+66° 1661						35±10	700±200	[12]
BD+66° 1674						60±10	800±400	[12]
BD+66^° 1675						35±10	700±200	[12]
Cyg OB2 5						50	300±100	[13]
						35±15		[1]
Cyg OB2 12						35	300± 50	[13]
						40±15		[1]
Cyg OB2 12, Comp. 2						30±5	100±7	[14]
Cyg OB2 12, Comp. 3						25±5	125±7	[14]
SN2008fp						30	250	[15]
Cernis 52						40±10	250±50	[16]
Sk 143						25	600	[17]

References. [1] Sonnentrucker et al. (2007); [2] van Dishoeck & Black (1989); [3] Hupe et al. (2012); [4] Kaźmierczak et al. (2010a); [5] Thorburn et al. (2003); [6] Kaźmierczak et al. (2010b); [7] Crawford (1997) [8] Gredel (1999); [9] Federman et al. (2021Z); [10] Hobbs et al. (1983); [11] Welty et al. (2020); [12] Gredel (2004); [13] Gredel et al. (2001); [14] Hamano et al. (2019); [15] Cox & Patat (2014); [16] Iglesias-Groth (2011); [17] Welty et al. (2013)

Notes. The last part of the table (below the line) contains literature values only, and only for sightlines for which both T_kin and n are determined. ^(a) For sightlines that harbour multiple velocity components, the best-fit results are listed for each component in separate entries. ^(b) Relative to the barycentric frame.

^(c) Tentative detection where no individual transition reached the 3σ detection limit.

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