1999ApJ...517..282H

Query : 1999ApJ...517..282H

1999ApJ...517..282H - Astrophys. J., 517, 282-291 (1999/May-3)

Atomic carbon observations of southern hemisphere H II regions.

HUANG M., BANIA T.M., BOLATTO A., CHAMBERLIN R.A., INGALLS J.G., JACKSON J.M., LANE A.P., STARK A.A., WILSON R.W. and WRIGHT G.A.

Abstract (from CDS):

We report observations of atomic carbon (C I [³P₁⟶³P₀]) for a sample of 49 southern hemisphere H II regions using the Antarctic Submillimeter Telescope and Remote Observatory. The sources are compact and isolated members of the Wilson et al. H109α radio recombination line (RRL) catalog. The fourth Galactic quadrant is well covered by the sample. Atomic carbon emission is detected toward all of the regions, with multiple C I emission components found toward most sources. The RRL velocity is used to identify the C I emission associated with the H II region. We measure the mean velocity difference between the C I and RRL emission to be 0.8±2.8 km.s^–1. Within the measurement errors this is exact agreement in velocity; we conclude that all H II regions have associated C I emission. The mean C I line temperature of these components is 2.4±1.8 K, compared with 0.7±0.7 K for the C I emission components not associated with the H II region. This suggests that C I intensity is dominated by local heating. The FWHM line width of C I gas associated with H II regions also is marginally greater than that found for unassociated gas (6.7±3.0, compared with 4.8±2.4 km.s^–1).

Abstract Copyright: ∼

Journal keyword(s): ISM: H II Regions - ISM: Atoms - ISM: Molecules

VizieR on-line data: <Available at CDS (J/ApJ/517/282): table1.dat>

Nomenclature: Table 1: [HBB99] LLL.lll+B.bbb N=49.

Simbad objects: 49

Full paper

View the references in ADS

Number of rows : 49

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Sp type	#ref 1850 - 2023	#notes
1	RCW 38	SFR	08 59 05.50	-47 30 39.4	~	297	2
2	PMN J0859-4345	HII	08 59 26.6	-43 45 20	~	7	0
3	GAL 285.3-00.0	HII	10 31 29.3	-58 02 08	~	15	0
4	[HBB99] 287.259-0.883	HII	10 41 45.1	-59 44 54	~	3	0
5	[HBB99] 287.718-0.646	HII	10 45 51.1	-59 45 18	~	3	0
6	[HBB99] 287.906-0.939	HII	10 46 05.5	-60 06 06	~	5	0
7	GAL 291.3-00.7	HII	11 11 52.9	-61 18 55	~	10	0
8	GAL 291.6-00.5	HII	11 15 02.4	-61 15 46	~	12	0
9	[GS70] 298.2-00.3	HII	12 10 01.886	-62 50 00.46	~	66	1
10	[HBB99] 298.837-0.347	HII	12 15 19.9	-62 55 52	~	8	0
11	GAL 298.9-00.4	HII	12 15 25.6	-63 01 28	~	15	0
12	GAL 305.10+00.14	HII	13 10 17.5	-62 38 34	~	10	0
13	PMN J1311-6245	HII	13 11 15.4	-62 45 08	~	7	0
14	GAL 305.20+00.2	bub	13 11 35.1	-62 33 26	~	39	0
15	GAL 305.4+00.2	HII	13 12 32.9	-62 34 43	~	10	0
16	GAL 305.6+00.0	HII	13 14 20.0	-62 44 46	~	7	0
17	GAL 316.8-00.1	HII	14 45 19.4	-59 49 32	~	19	0
18	GAL 322.16+00.62	HII	15 18 39.1	-56 38 49	~	29	0
19	GRS G326.70 +00.60	HII	15 44 45.7	-54 06 37	~	8	0
20	RCW 97	HII	15 53 05.0	-54 35 24	~	152	0
21	IRAS 15502-5302	HII	15 54 07.2	-53 11 20	~	45	0
22	GAL 331.5-00.1	HII	16 12 09.8	-51 27 06	~	29	0
23	GAL 333.2-00.1	HII	16 19 42.4	-50 19 30	~	8	0
24	GAL 332.66-00.61	bub	16 19 45.3	-51 02 48	~	37	0
25	GAL 332.8-00.6	HII	16 20 12.8	-50 54 28	~	13	0
26	GAL 333.0-00.4	HII	16 20 38.2	-50 40 21	~	20	0
27	GAL 333.1-00.4	Cl*	16 21 03.3	-50 36 19	~	31	1
28	GAL 333.3-00.4	HII	16 21 31.7	-50 26 23	~	20	0
29	GAL 333.6-00.1	HII	16 21 33	-50 01.4	~	10	0
30	GAL 333.6-00.2	HII	16 22 11	-50 05.6	~	144	0
31	PMN J1634-4805	HII	16 34 15.8	-48 05 20	~	7	0
32	[HBB99] 336.532-0.168	HII	16 34 19.5	-47 57 20	~	4	0
33	[HBB99] 336.807+0.043	HII	16 34 30.6	-47 36 37	~	3	0
34	[HBB99] 336.934-0.146	HII	16 35 48	-47 40.0	~	7	0
35	GAL 337.1-00.2	HII	16 36 42.7	-47 31 22	~	10	0
36	[HBB99] 337.753+0.126	HII	16 37 54.4	-46 51 17	~	3	0
37	GAL 338.4+00.1	HII	16 40 49.2	-46 24 05	~	19	0
38	GRS G337.90 -00.50	HII	16 41 08.3	-47 07 22	~	42	0
39	RCW 110B	HII	16 54 17.2	-45 17 03	~	10	0
40	GAL 343.49-00.03	bub	16 59 20.8	-42 34 42	~	20	0
41	GAL 345.4+01.4	HII	16 59 38.0	-40 11 28	~	5	0
42	[ABB2014] WISE G345.202+01.027	HII	17 00 37.8	-40 33 42	~	5	0
43	GAL 347.6+00.2	HII	17 11 33.8	-39 08 20	~	21	0
44	BFS 65	HII	17 20 05.8	-38 57 37	~	76	0
45	[HBB99] 351.347+0.663	HII	17 20 37.3	-35 49 53	~	3	0
46	[HBB99] 351.419+0.644	HII	17 20 54.1	-35 46 57	~	1	0
47	[HBB99] 353.191+0.890	HII	17 24 48.4	-34 10 58	~	4	0
48	[HBB99] 353.122+0.642	HII	17 25 36.9	-34 22 43	~	3	0
49	[HBB99] 006.528+0.076	HII	18 00 07.5	-23 16 35	~	4	0

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