2006A&A...457..109B

Query : 2006A&A...457..109B

2006A&A...457..109B - Astronomy and Astrophysics, volume 457109-114 (2006/10-1)

Water masers in the Local Group of galaxies.

BRUNTHALER A., HENKEL C., DE BLOK W.J.G., REID M.J., GREENHILL L.J. and FALCKE H.

Abstract (from CDS):

We compare the number of detected 22GHz H2O masers in the Local Group galaxies M31, M33, NGC6822, IC10, IC1613, DDO187, GR8, NGC185, and the Magellanic Clouds with the water maser population of the Milky Way. To accomplish this we searched for water maser emission in the two Local Group galaxies M33 and NGC6822 using the Very Large Array (VLA) and incorporated results from previous studies. We observed 62 HII regions in M33 and 36 regions with Hα emission in NGC6822. Detection limits are 0.0015 and 0.0008L☉ for M33 and NGC6822, respectively (corresponding to 47 and 50mJy in three channels with 0.7km/s width). M33 hosts three water masers above our detection limit, while in NGC6822 no maser source was detected. We find that the water maser detection rates in the Local Group galaxies M31, M33, NGC6822, IC1613, DDO187, GR8, NGC185, and the Magellanic Clouds are consistent with expectations from the Galactic water masers if one considers the different star formation rates of the galaxies. However, the galaxy IC10 exhibits an overabundance of masers, which may result from a compact central starburst.

Abstract Copyright: ∼

Journal keyword(s): masers - galaxies: Local Group

Nomenclature: Table A3: [BHD2006] NGC 6822 NN (Nos 1-36).

Simbad objects: 117

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Number of rows : 117
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 IC 10 rG 00 20 17.33520 +59 18 13.6480   13.6 9.5     ~ 1185 1
2 NGC 185 Sy2 00 38 57.9400026024 +48 20 15.035874648   9.10 9.2     ~ 840 1
3 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
4 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
5 IC 1613 GiC 01 04 48.4071 +02 07 10.185   10.42 10.01 9.77   ~ 1316 2
6 VGHC 2-6 Rad 01 32 14.4 -30 04 12           ~ 3 0
7 VGHC 2-1 HII 01 32 30.23 +30 27 38.6           ~ 3 0
8 VGHC 2-3 Rad 01 32 33.9 +30 27 31           ~ 3 0
9 VGHC 2-20 HII 01 32 39.9 -29 56 43           ~ 5 0
10 VGHC 2-5 Rad 01 32 42.15 +30 21 04.6           ~ 2 0
11 NGC 588 HII 01 32 45.2 +30 38 54 14.59 14.40 14.44 14.89 15.16 ~ 126 1
12 SNR B013008+30241 SNR 01 32 57.10 +30 39 26.7     14.3     ~ 31 0
13 VGHC 2-19 HII 01 33 09.3 +30 23 14           ~ 4 0
14 BCLMP 228 HII 01 33 09.9 +30 34 23           ~ 5 0
15 VGHC 2-23 HII 01 33 11.74 +30 30 15.2           ~ 4 0
16 IC 133W HII 01 33.2 +30 53           ~ 2 0
17 VGHC 2-22 HII 01 33 12.188 +30 38 47.14           ~ 81 0
18 VGHC 2-26 HII 01 33 14.6 +30 45 12           ~ 3 0
19 IC 131 HII 01 33 15.0 +30 45 09   12.52       ~ 66 0
20 IC 132 HII 01 33 15.8 +30 56 45 15.08 14.87 14.82 15.24 15.43 ~ 49 1
21 IC 133 HII 01 33 15.9 +30 53 02     12.2     ~ 88 0
22 BCLMP 623 HII 01 33 15.9 +30 53 02     12.2     ~ 87 0
23 VGHC 2-29 HII 01 33 19.0 +30 41 31           ~ 3 0
24 VGHC 2-67 Rad 01 33 22.0 -30 08 33           ~ 3 0
25 VGHC 2-33 HII 01 33 29.1 +30 31 47           ~ 13 0
26 BCLMP 45 HII 01 33 29.20 +30 40 25.4 15.58 15.55 15.66 15.72 15.97 ~ 19 0
27 SNR B013042+30182 SNR 01 33 31.24 +30 33 33.4 18.78 20.65 20.25     ~ 54 0
28 NGC 595 HII 01 33 33.53 +30 41 29.8           ~ 213 0
29 VGHC 2-40 HII 01 33 34.7 +30 32 13     14.7     ~ 12 0
30 VGHC 2-43 HII 01 33 35.8 +30 39 40           ~ 3 0
31 SNR B013047+30211 SNR 01 33 35.92 +30 36 27.5           ~ 49 0
32 BCLMP 54 HII 01 33 36.04 +30 42 32.7           ~ 8 0
33 VGHC 2-45 HII 01 33 36.6 +30 50 40           ~ 3 0
34 VGHC 2-49 HII 01 33 39.5 +30 38 03           ~ 3 0
35 VGHC 2-52 HII 01 33 40 +30 20.8           ~ 4 0
36 VGHC 2-46 HII 01 33 40 +30 20.8           ~ 4 0
37 VGHC 2-50 HII 01 33 40.4 +30 45 59           ~ 4 0
38 VGHC 2-54 HII 01 33 42.4 +30 33 12           ~ 4 0
39 BCLMP 61 HII 01 33 42.98 +30 44 40.5     14.4     ~ 11 0
40 VGHC 2-59 HII 01 33 45.3 +30 36 45           ~ 3 0
41 [IV74] 35 HII 01 33 47.6 +30 38 42           ~ 6 0
42 VGHC 2-60 HII 01 33 47.6 +30 43 46           ~ 3 0
43 BCLMP 43 HII 01 33 48.38 +30 39 35.6           ~ 12 0
44 BCLMP 16 HII 01 33 50.0734634832 +30 37 29.948424276 16.75 16.94 17.17 17.22 17.54 ~ 10 0
45 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 6226 1
46 BCLMP 93 HII 01 33 52.3 +30 39 18     13.4     ~ 17 0
47 VGHC 2-68 Rad 01 33 52.9 +30 43 48           ~ 3 0
48 SNR B013106+30178 SNR 01 33 54.88 +30 33 10.6           ~ 49 0
49 IC 142 HII 01 33 55.1 +30 45 22   11.30 14.2     ~ 40 0
50 BCLMP 73 HII 01 33 58.1236731552 +30 42 12.870656784           ~ 6 0
51 VGHC 2-76 HII 01 33 59.4 +30 34 24           ~ 3 0
52 BCLMP 4 HII 01 33 59.44 +30 35 49.6     14.3     ~ 20 0
53 VGHC 2-77 HII 01 34 00.19 +30 40 50.0     15.4     ~ 18 0
54 BCLMP 87 HII 01 34 02.32 +30 38 40.2     14.4     ~ 12 0
55 VGHC 2-83 HII 01 34 06.6 +30 41 48           ~ 4 0
56 VGHC 2-84 GlC 01 34 06.68 +30 48 56.2 16.506 17.563 17.224 16.807 17.161 ~ 14 0
57 VGHC 2-85 HII 01 34 06.8 +30 47 31           ~ 5 0
58 VGHC 2-89 HII 01 34 10.3 +30 39 02           ~ 3 0
59 SNR B013121+30271 SNR 01 34 10.67 +30 42 23.6           ~ 45 0
60 BCLMP 95 HII 01 34 10.9 +30 36 18     14.5     ~ 15 0
61 VGHC 2-95 PoG 01 34 15.6 +30 37 11 14.69 14.61 14.70 14.85 14.97 ~ 23 0
62 BCLMP 691 HII 01 34 16.64 +30 51 53.7 14.80 14.63 14.66 14.76 14.76 ~ 31 0
63 SNR B013125+30192 SNR 01 34 17.1015080968 +30 34 26.476639554           ~ 20 0
64 VGHC 2-99 HII 01 34 17.3 +30 33 36     12.4     ~ 9 0
65 VGHC 2-103 HII 01 34 22.7 +30 33 20           ~ 3 0
66 VGHC 2-104 Rad 01 34 31 +30 57.1           ~ 3 0
67 NGC 604 HII 01 34 32.1 +30 47 01           ~ 608 0
68 XMMU J013433.6+310021 HII 01 34 33.64 +31 00 21.2     14.8     ~ 14 0
69 VGHC 2-109 HII 01 34 38.93 +30 44 00.4           ~ 5 0
70 BCLMP 740 HII 01 34 39.79 +30 41 50.1     15.6     ~ 10 0
71 VGHC 2-111 HII 01 34 41.1 +30 48 03           ~ 3 0
72 VGHC 2-112 HII 01 34 41.2 +30 43 21           ~ 3 0
73 3C 48 QSO 01 37 41.2996631208 +33 09 35.080388820   16.62 16.20     ~ 2924 2
74 NAME W 3 OH HII 02 27 04.1 +61 52 22           ~ 1064 2
75 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
76 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
77 Z 71-87 H2G 12 58 40.1930636208 +14 13 00.739589628 15.24 15.16 14.98 14.81   ~ 475 0
78 Z 133-19 AG? 14 15 57.0834 +23 03 29.871 15.40 14.77 14.41 14.32   ~ 296 0
79 QSO B1936-155 Bla 19 39 26.65775171 -15 25 43.0584711   19.44 20.30 18.80   ~ 180 1
80 [BHD2006] NGC 6822 35 HII 19 44 15.6440 -14 46 15.510           ~ 1 0
81 [BHD2006] NGC 6822 10 HII 19 44 30.9066 -14 48 23.862           ~ 2 0
82 [BHD2006] NGC 6822 6 HII 19 44 31.5177 -14 41 56.922           ~ 1 0
83 [BHD2006] NGC 6822 7 HII 19 44 31.8794 -14 44 31.436           ~ 1 0
84 [BHD2006] NGC 6822 9 HII 19 44 32.8374 -14 47 27.933           ~ 2 0
85 [BHD2006] NGC 6822 5 HII 19 44 34.2712 -14 42 16.256           ~ 1 0
86 [BHD2006] NGC 6822 12 HII 19 44 38.2042 -14 51 01.754           ~ 1 0
87 [BHD2006] NGC 6822 36 HII 19 44 39.3420 -14 43 06.570           ~ 1 0
88 [BHD2006] NGC 6822 27 HII 19 44 42.5690 -14 50 04.170           ~ 2 0
89 [BHD2006] NGC 6822 3 HII 19 44 48.1321 -14 44 17.870           ~ 1 0
90 [BHD2006] NGC 6822 8 HII 19 44 48.5437 -14 46 12.090           ~ 1 0
91 [BHD2006] NGC 6822 24 HII 19 44 48.8430 -14 45 12.484           ~ 1 0
92 [BHD2006] NGC 6822 26 HII 19 44 48.9990 -14 50 33.500           ~ 1 0
93 [BHD2006] NGC 6822 19 HII 19 44 50.3295 -14 52 51.695           ~ 1 0
94 [BHD2006] NGC 6822 20 HII 19 44 52.1447 -14 51 54.757           ~ 1 0
95 [BHD2006] NGC 6822 15 HII 19 44 52.5371 -14 48 33.959           ~ 1 0
96 [BHD2006] NGC 6822 2 HII 19 44 52.8615 -14 43 11.948           ~ 1 0
97 [BHD2006] NGC 6822 18 HII 19 44 55.8431 -14 50 29.848           ~ 2 0
98 NGC 6822 G 19 44 56.199 -14 47 51.29   18 8.1     ~ 1661 0
99 [BHD2006] NGC 6822 32 HII 19 44 56.2350 -14 45 43.800           ~ 1 0
100 [BHD2006] NGC 6822 34 HII 19 44 56.2360 -14 42 08.020           ~ 1 0
101 [BHD2006] NGC 6822 14 HII 19 44 56.9461 -14 48 01.997           ~ 1 0
102 [BHD2006] NGC 6822 30 HII 19 44 58.8060 -14 43 57.240           ~ 1 0
103 [BHD2006] NGC 6822 25 HII 19 45 01.4930 -14 54 27.940           ~ 1 0
104 [BHD2006] NGC 6822 13 HII 19 45 01.9057 -14 46 52.068           ~ 1 0
105 [BHD2006] NGC 6822 31 HII 19 45 02.8470 -14 45 14.500           ~ 1 0
106 [BHD2006] NGC 6822 21 HII 19 45 04.8020 -14 57 13.110           ~ 1 0
107 [BHD2006] NGC 6822 1 HII 19 45 05.0497 -14 43 12.618           ~ 1 0
108 [BHD2006] NGC 6822 17 HII 19 45 06.8659 -14 48 35.958           ~ 1 0
109 [BHD2006] NGC 6822 23 HII 19 45 09.7798 -14 45 25.808           ~ 1 0
110 [BHD2006] NGC 6822 28 HII 19 45 11.0500 -14 54 38.580           ~ 1 0
111 [BHD2006] NGC 6822 16 HII 19 45 12.6527 -14 48 47.930           ~ 1 0
112 [BHD2006] NGC 6822 29 HII 19 45 12.7070 -14 57 26.410           ~ 1 0
113 [BHD2006] NGC 6822 33 HII 19 45 12.7620 -14 43 33.250           ~ 1 0
114 [BHD2006] NGC 6822 11 HII 19 45 13.0625 -14 45 14.143           ~ 1 0
115 [BHD2006] NGC 6822 22 HII 19 45 13.6280 -14 58 59.650           ~ 1 0
116 [BHD2006] NGC 6822 4 HII 19 45 17.1032 -14 45 29.445           ~ 1 0
117 NAME Local Group GrG ~ ~           ~ 9325 0

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