2000A&A...355.1115V

Query : 2000A&A...355.1115V

2000A&A...355.1115V - Astronomy and Astrophysics, volume 3551115-1121 (2000/3-3)

NH3(1,1) survey toward southern hemisphere HII regions. I.

VILAS-BOAS J.W.S. and ABRAHAM Z.

Abstract (from CDS):

The (J,K)=(1,1) metastable ammonia line was searched for in the direction of more than one hundred southern HII regions located between 270°and 15° in galactic longitude, resulting in new detections toward 21 of them. Ammonia detection rate was about 30% towards all directions except in the longitude interval 270°-290° where no ammonia lines were found in the 15 selected HII regions. A high detection rate (≥0.6) was observed toward positions where IRAS point sources with color indices of ultra-compact HII regions were in the beam of the telescope. An anticorrelation between the number of detected NH3 sources and the distance to the Galactic Center was found, compatible with the observed gradient in N abundance. From the value of this gradient and the detection rate of ammonia lines toward HII regions, it is inferred that the number of ammonia sources must be proportional to the inverse of the column density of the molecular cloud.

Abstract Copyright: ∼

Journal keyword(s): ISM: abundances - ISM: clouds - ISM: molecules - radio lines: ISM

Simbad objects: 139

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Number of rows : 139
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NAME Per Arm PoG 03 30 +45.0           ~ 1672 0
2 M 42 HII 05 35 16.8 -05 23 15           ~ 4411 0
3 [WMG70] 209.0-19.4 HII 05 35 17 -05 23.7           ~ 2 0
4 NAME Ori A MoC 05 38 -07.1           ~ 3187 0
5 RCW 36 HII 08 59 00.9 -43 44 10     15.20     ~ 161 0
6 GAL 267.95-01.07 HII 08 59 04.9 -47 31 14           ~ 8 0
7 RCW 38 SFR 08 59 05.50 -47 30 39.4           ~ 327 2
8 [KC97c] G267.8-00.9 HII 08 59 22.1 -47 18 56           ~ 4 0
9 PMN J0859-4345 HII 08 59 26.6 -43 45 20           ~ 7 0
10 GAL 268.4-00.9 HII 09 01 54.3 -47 43 59           ~ 55 1
11 GUM 26 HII 09 24 30.1 -51 59 07           ~ 45 0
12 GAL 281.0-01.5 HII 09 59 09 -56 16.4           ~ 2 0
13 GAL 282.03-01.18 HII 10 06 37.5 -57 12 11           ~ 18 0
14 [KC97c] G284.3-00.3 HII 10 24 08.91360 -57 47 14.9820           ~ 7 0
15 GUM 29 HII 10 24 14.6 -57 46 58           ~ 219 0
16 [HBB99] 287.259-0.883 HII 10 41 45.1 -59 44 54           ~ 3 0
17 [KC97c] G287.4-00.6 HII 10 43 32.2 -59 34 55           ~ 5 0
18 [WMG70] 287.6-00.9 HII 10 44 05 -59 58.1           ~ 2 0
19 PMN J1044-5938 HII 10 44 46.8 -59 38 47           ~ 6 0
20 NGC 3372 HII 10 45 02.23 -59 41 59.8           ~ 1071 2
21 [KC97c] G287.8-00.8 HII 10 45 39.6 -59 56 18           ~ 4 0
22 [HBB99] 287.718-0.646 HII 10 45 51.1 -59 45 18           ~ 3 0
23 [HBB99] 287.906-0.939 HII 10 46 05.5 -60 06 06           ~ 5 0
24 [KC97c] G287.9-00.8 HII 10 46 50.2 -60 00 31           ~ 4 0
25 PMN J1056-6005 HII 10 56 30.4 -60 05 52           ~ 8 0
26 [KC97c] G289.8-01.2 HII 10 58 52.5 -61 06 53           ~ 6 0
27 BRAN 337 HII 11 02 56.1 -59 29 16           ~ 17 0
28 GAL 291.3-00.7 HII 11 11 52.9 -61 18 55           ~ 10 0
29 NGC 3576 HII 11 11 53.2 -61 18 26           ~ 245 2
30 NAME NGC 3576 IRS 1 HII 11 11 54.8 -61 18 26           ~ 32 1
31 NGC 3603 OpC 11 14 57.9 -61 14 32           ~ 1136 1
32 GAL 291.6-00.5 HII 11 15 02.4 -61 15 46           ~ 12 0
33 IC 2944 OpC 11 38 20.00 -63 22 22.0           ~ 191 0
34 PMN J1140-6325 HII 11 40 08.3 -63 25 21           ~ 5 0
35 [WMG70] 295.2-00.6 HII 11 43 29 -62 25.9           ~ 4 0
36 [HBB99] 298.837-0.347 HII 12 15 19.9 -62 55 52           ~ 8 0
37 GAL 298.9-00.4 HII 12 15 25.6 -63 01 28           ~ 16 0
38 GUM 43 HII 12 34 54.4 -61 39 25           ~ 61 1
39 [KC97c] G301.1+01.0 HII 12 36 03.3 -61 51 20           ~ 5 0
40 GAL 305.10+00.14 HII 13 10 17.5 -62 38 34           ~ 10 0
41 GRS G305.40 +00.20 HII 13 10 19 -62 38.5           ~ 34 0
42 GAL 305.20+00.21 HII 13 11 11.7 -62 34 44           ~ 38 0
43 PMN J1311-6245 HII 13 11 15.4 -62 45 08           ~ 7 0
44 GAL 305.20+00.2 bub 13 11 35.1 -62 33 26           ~ 39 0
45 GAL 305.6+00.0 HII 13 14 20.0 -62 44 46           ~ 7 0
46 GRS G308.60 +00.60 HII 13 39.9 -61 45           ~ 108 0
47 [WMG70] 308.6+00.6 HII 13 40 02 -61 44.2           ~ 3 0
48 GAL 308.65+00.59 HII 13 40 44 -61 45.0           ~ 6 0
49 PMN J1403-6116 HII 14 03 36.3 -61 16 36           ~ 5 0
50 MSX6C G311.6264+00.2897 HII 14 04 54.864 -61 20 07.80           ~ 7 0
51 GAL 311.63+00.27 HII 14 04 58.1 -61 21 14           ~ 25 0
52 PMN J1407-6119 HII 14 07 25.3 -61 18 34           ~ 7 1
53 GRS G311.89 +00.10 HII 14 07 35.2 -61 27 18           ~ 30 1
54 PMN J1424-6022 HII 14 24 57.8 -60 22 46           ~ 6 0
55 GAL 316.8-00.1 HII 14 45 19.4 -59 49 32           ~ 20 0
56 IRAS 14416-5937 HII 14 45 28.6 -59 49 59           ~ 26 1
57 [KC97c] G317.0+00.3 HII 14 45 32.6 -59 26 13           ~ 4 0
58 [WMG70] 317.3+00.2 HII 14 48 02 -59 20.8           ~ 2 0
59 [KC97c] G319.2-00.4 HII 15 03 06.5 -59 03 27           ~ 8 0
60 [KC97c] G319.4+00.0 HII 15 03 14.1 -58 36 14           ~ 7 0
61 RCW 87 HII 15 05 19 -57 31.8           ~ 46 2
62 PMN J1510-5817 HII 15 10 06.4 -58 17 34           ~ 7 0
63 [KC97c] G321.0-00.5 HII 15 16 00.0 -58 11 34           ~ 4 0
64 GRS G321.10 -00.50 HII 15 16 16 -58 12.9           ~ 8 0
65 [KC97c] G321.1-00.5 HII 15 16 39.1 -58 10 39           ~ 4 0
66 GAL 322.16+00.62 HII 15 18 39.1 -56 38 49           ~ 29 0
67 GRS G326.50 +00.90 HII 15 42 21.9 -53 58 28           ~ 18 0
68 [DBS2003] 95 HII 15 44 42.8 -54 05 56           ~ 61 0
69 GRS G326.70 +00.60 HII 15 44 45.7 -54 06 37           ~ 8 0
70 RCW 97 HII 15 53 05.0 -54 35 24           ~ 171 0
71 IRAS 15502-5302 HII 15 54 07.2 -53 11 20           ~ 51 0
72 GAL 327.99-00.09 bub 15 54 44 -53 48.4           ~ 22 0
73 PMN J1610-5150 HII 16 10 08.6 -51 50 20           ~ 5 0
74 PMN J1610-5206 HII 16 10 16.4 -52 06 28           ~ 8 0
75 [KC97c] G331.4+00.0 HII 16 11 06.0 -51 30 53           ~ 3 0
76 GAL 331.1-00.2 HII 16 11 07 -51 50.6           ~ 1 0
77 [KC97c] G331.3-00.2 HII 16 11 24.3 -51 42 40           ~ 4 0
78 GAL 331.5-00.1 HII 16 12 09.8 -51 27 06           ~ 35 0
79 [KC97c] G331.1-00.5 HII 16 12 12.7 -52 03 13           ~ 5 0
80 [KC97c] G331.3-00.3 HII 16 12 21.8 -51 47 05           ~ 6 0
81 GAL 332.15-00.45 bub 16 16 40.4 -51 17 31           ~ 17 0
82 [KC97c] G332.5-00.1 HII 16 17 04.0 -50 47 43           ~ 8 0
83 GAL 333.2-00.1 HII 16 19 42.4 -50 19 30           ~ 8 0
84 GAL 332.66-00.61 bub 16 19 45.3 -51 02 48           ~ 42 0
85 GAL 332.80-00.60 HII 16 19 47 -51 04.1           ~ 103 1
86 GAL 332.8-00.6 HII 16 20 12.8 -50 54 28           ~ 14 0
87 IRAS 16164-5046 HII 16 20 14.1 -50 53 20           ~ 43 0
88 GAL 333.0-00.4 HII 16 20 38.2 -50 40 21           ~ 20 0
89 IRAS 16172-5028 HII 16 21 00.4 -50 35 21           ~ 50 0
90 GAL 333.1-00.4 Cl* 16 21 03.3 -50 36 19           ~ 33 1
91 IRAS 16177-5018 HII 16 21 31.4 -50 25 04           ~ 36 0
92 GAL 333.3-00.4 HII 16 21 31.7 -50 26 23           ~ 21 0
93 GAL 333.6-00.1 HII 16 21 33 -50 01.4           ~ 10 0
94 GAL 333.6-00.2 HII 16 22 11 -50 05.6           ~ 147 0
95 [KC97c] G333.7-00.5 HII 16 23 44.5 -50 13 11           ~ 3 0
96 [KC97c] G335.8-00.2 HII 16 31 10.4 -48 30 32           ~ 3 0
97 [KC97c] G336.4-00.1 HII 16 33 34.5 -48 03 11           ~ 4 0
98 PMN J1634-4805 HII 16 34 15.8 -48 05 20           ~ 7 0
99 [HBB99] 336.807+0.043 HII 16 34 30.6 -47 36 37           ~ 3 0
100 [HBB99] 336.934-0.146 HII 16 35 48 -47 40.0           ~ 7 0
101 GAL 337.1-00.2 HII 16 36 42.7 -47 31 22           ~ 10 0
102 [KC97c] G337.3-00.1 HII 16 37 09 -47 21.9           ~ 5 0
103 [HBB99] 337.753+0.126 HII 16 37 54.4 -46 51 17           ~ 3 0
104 [KC97c] G337.6-00.1 HII 16 38 10.7 -47 04 06           ~ 3 0
105 [KC97c] G338.0-00.1 HII 16 39 54.3 -46 51 10           ~ 8 0
106 GUM 53 HII 16 40 00.1 -48 51 45           ~ 98 1
107 [KC97c] G336.5-01.5 HII 16 40 07.2 -48 52 09           ~ 3 0
108 GAL 338.94+00.60 HII 16 40 16 -45 39.2           ~ 14 0
109 [WMG70] 338.1-00.2 HII 16 40 39 -46 57.7           ~ 2 0
110 GAL 338.4+00.1 HII 16 40 49.2 -46 24 05           ~ 19 0
111 IRAS 16374-4701 HII 16 41 08.3 -47 07 22           ~ 50 0
112 [WMG70] 338.4-00.2 HII 16 42 -46.6           ~ 2 0
113 [ABB2014] WISE G338.934-00.067 HII 16 43 17 -46 05.9           ~ 10 0
114 [KC97c] G340.3-00.2 HII 16 48 52 -45 09.8           ~ 6 0
115 GRS G340.80 -01.00 HII 16 54 17 -45 17.0           ~ 15 0
116 RCW 110B HII 16 54 17.2 -45 17 03           ~ 10 0
117 IRAS 16506-4512 HII 16 54 17.5 -45 17 34           ~ 22 0
118 [KC97c] G345.0+01.5 HII 16 57 50.2 -40 24 13           ~ 4 0
119 [KC97c] G345.3+01.5 HII 16 59 05.0 -40 13 56           ~ 4 0
120 GAL 343.49-00.03 bub 16 59 20.8 -42 34 42           ~ 20 0
121 GPA 345.37+1.45 HII 16 59 39.6 -40 10 17           ~ 7 1
122 GAL 345.2+01.0 HII 16 59 40 -40 11.4           ~ 25 0
123 [HBB99] 351.347+0.663 HII 17 20 37.3 -35 49 53           ~ 3 0
124 NGC 6334 HII 17 20 53 -36 07.9           ~ 740 0
125 NGC 6357 OpC 17 24 44 -34 12.2           ~ 303 0
126 [HBB99] 353.122+0.642 HII 17 25 36.9 -34 22 43           ~ 3 0
127 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
128 [WMG70] 000.2+00.0 HII 17 45 58 -28 47.0           ~ 2 0
129 [KC97c] G000.5-00.1 HII 17 47 06.0 -28 31 38           ~ 5 0
130 NAME Sgr B2 MoC 17 47 20.4 -28 23 07           ~ 2443 1
131 [KC97c] G000.7-00.1 HII 17 47 23.9 -28 24 21           ~ 3 0
132 PMN J1759-2345 HII 17 59 53.4 -23 45 31           ~ 7 0
133 RCW 145 HII 18 00 -23.3           ~ 4 0
134 [WMG70] 006.6-00.1 HII 18 00 48 -23 19.0           ~ 2 0
135 JCMTSE J180921.2-201932 HII 18 09 22 -20 19.5           ~ 17 0
136 W 31 SFR 18 10 28.6 -19 55 51           ~ 280 0
137 [WMG70] 015.0-00.7 HII 18 20 30 -16 11.7           ~ 2 0
138 RCW 160 HII 18 20 30 -16 11.2           ~ 6 0
139 NAME Cyg Arm PoG 20 02 +40.0           ~ 163 0

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