2003ApJ...596..328F

Query : 2003ApJ...596..328F

2003ApJ...596..328F - Astrophys. J., 596, 328-343 (2003/October-2)

Interstellar hydroxyl masers in the galaxy. II. Zeeman pairs and the galactic magnetic field.

FISH V.L., REID M.J., ARGON A.L. and MENTEN K.M.

Abstract (from CDS):

We have identified and classified Zeeman pairs in the survey by Argon, Reid, & Menten of massive star-forming regions with 18 cm (2Π3/2,J=3/2) OH maser emission. We have found a total of more than 100 Zeeman pairs in more than 50 massive star-forming regions. The magnetic field deduced from the Zeeman splitting has allowed us to assign an overall line-of-sight magnetic field direction to many of the massive star-forming regions. Combining these data with other data sets obtained from OH Zeeman splitting, we have looked for correlations of magnetic field directions between star-forming regions scattered throughout the Galaxy. Our data do not support a uniform, Galactic-scale field direction, nor do we find any strong evidence of magnetic field correlations within spiral arms. However, our data suggest that in the solar neighborhood the magnetic field outside the solar circle is oriented clockwise as viewed from the north Galactic pole, while inside the solar circle it is oriented counterclockwise. This pattern, including the magnetic field reversal near the Sun, is in agreement with results obtained from pulsar rotation measures.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: Disk - ISM: H II Regions - ISM: Magnetic Fields - Masers - Radio Lines: ISM

Simbad objects: 88

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Number of rows : 88
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 [ARM2000] G133.946+01.064 Mas 02 27 03.70 +61 52 25.4           ~ 2 0
2 NAME W 3 OH HII 02 27 04.1 +61 52 22           ~ 1064 2
3 NAME Per Arm PoG 03 30 +45.0           ~ 1672 0
4 NAME Mon R2 HII 06 07 47.58 -06 22 42.6           ~ 789 2
5 MMB G213.705-12.597 Mas 06 07 47.85 -06 22 55.2           ~ 11 0
6 LBN 196.49-01.60 HII 06 14 38.29 +13 49 41.0           ~ 169 1
7 NAME Crux-Scutum Spiral Arm reg 12 30 -60.0           ~ 323 0
8 NAME Car-Sgr Arm PoG 15 00 -40.0           ~ 581 1
9 NAME Nor Arm PoG 16 00 -50.0           ~ 485 0
10 OH 341.22-00.21 Y*O 16 52 17.92032 -44 26 52.4076           ~ 59 0
11 OH 345.01+01.79 Mas 16 56 47.58 -40 14 25.8           ~ 72 0
12 [ARM2000] G343.128-00.063 Mas 16 58 17.16 -42 52 05.4           ~ 2 0
13 OH 344.58-00.02 Y*? 17 02 57.71 -41 41 53.8           ~ 43 0
14 OH 345.50+00.35 Mas 17 04 22.91 -40 44 21.7           ~ 50 0
15 MMB G345.003-00.224 Mas 17 05 11.23 -41 29 06.9           ~ 14 0
16 OH 345.70-00.09 Y*O 17 06 50.635 -40 50 59.49           ~ 37 0
17 OH 347.63+00.15 Y*? 17 11 51.064 -39 09 29.03           ~ 43 0
18 OH 348.55-00.97 Mas 17 19 20.41 -39 03 51.6           ~ 30 0
19 OH 351.16+00.70 Mas 17 19 57.50 -35 57 52.8           ~ 27 0
20 NGC 6334B rG 17 20 21.810 -35 52 48.25           ~ 113 0
21 OH 351.41+00.64 Mas 17 20 53.4 -35 47 01           ~ 58 0
22 NAME NGC 6334F (C) HII 17 20 53.45 -35 47 02.6           ~ 244 1
23 IRAS 17216-3801 Y*O 17 25 06.51720 -38 04 00.4368           ~ 37 0
24 [ARM2000] G351.582-00.352 Mas 17 25 25.51 -36 12 41.8           ~ 2 0
25 OH 351.75-00.53 Mas 17 26 42.57 -36 09 17.6           ~ 74 1
26 OH 353.41-00.36 Mas 17 30 26.18 -34 41 45.6           ~ 65 0
27 OH 355.34+00.15 Mas 17 33 29.06 -32 47 58.9           ~ 28 0
28 OH 359.14+00.03 Mas 17 43 25.6109 -29 39 17.551           ~ 36 0
29 OH 359.44-00.10 Mas 17 44 40.60 -29 28 16.0           ~ 26 0
30 OH 000.66-00.03 Mas 17 47 20.12 -28 23 06.2           ~ 65 1
31 NAME Sgr B2 MoC 17 47 20.4 -28 23 07           ~ 2443 1
32 NAME Sgr B2 Main Rad 17 47 20.5 -28 23 06           ~ 436 1
33 OH 000.669-00.056 Mas 17 47 25.61 -28 23 37.6           ~ 6 1
34 OH 000.55-00.85 Mas 17 50 14.35 -28 54 31.1           ~ 34 0
35 RCW 142 HII 17 50 15.3 -28 54 03           ~ 64 0
36 OH 005.90-00.38 Mas 18 00 30.373 -24 04 00.96           ~ 51 1
37 OH 009.621+00.196 Mas 18 06 14.6600 -20 31 31.700           ~ 56 0
38 W 31 SFR 18 10 28.6 -19 55 51           ~ 280 0
39 OH 010.62-00.38 Mas 18 10 28.65 -19 55 49.5           ~ 28 0
40 OH 012.22-00.12 Mas 18 12 44.45 -18 24 24.6           ~ 25 0
41 W 33b SFR 18 13 54.68 -18 01 48.1           ~ 85 0
42 OH 012.68-00.18 Mas 18 13 54.7457 -18 01 46.588           ~ 49 0
43 W 33a Y*O 18 14 39.56547 -17 52 02.2260           ~ 746 0
44 Caswell CH3OH 017.64+00.16 Mas 18 22 26.30 -13 30 12.1           ~ 11 0
45 AKARI-IRC-V1 J1828105-112857 SFR 18 28 10.37 -11 28 49.8           ~ 113 1
46 OH 028.201-00.049 Mas 18 42 58.197 -04 13 59.41           ~ 8 0
47 IRAS 18449-0115 cor 18 47 34.27 -01 12 43.2           ~ 430 1
48 Caswell OH 032.74-00.08 Mas 18 51 21.8624 -00 12 06.220           ~ 15 0
49 RAFGL 2271 SFR 18 53 18.54 +01 14 57.9           ~ 537 0
50 OH 034.26+00.15 Mas 18 53 18.68 +01 15 00.3           ~ 31 0
51 Caswell OH 035.02+00.35 Mas 18 54 00.6576 +02 01 19.217           ~ 17 0
52 OH 035.58-00.03 Mas 18 56 22.50 +02 20 27.1           ~ 21 0
53 OH 035.2-00.7 Mas 18 58 13.0517 +01 40 35.674           ~ 49 0
54 IRAS 19035+0641 Y*O 19 06 01.6288 +06 46 36.140           ~ 84 0
55 [DJW84] W49 R3 Rad 19 10 10.70 +09 05 17.0           ~ 3 0
56 [DJW84] W49 R2 Rad 19 10 10.79 +09 05 23.4           ~ 3 0
57 [ARM2000] G043.148+00.015 Mas 19 10 11.04 +09 05 20.2           ~ 3 0
58 W 49n HII 19 10 13.2 +09 06 12           ~ 497 3
59 W 49 SFR 19 10 20 +09 07.7           ~ 601 1
60 OH 043.2+00.0 Y*O 19 10 21.819 +09 05 02.83           O2-3.5If* 28 0
61 NAME W 49A South HII 19 10 21.833 +09 05 03.30           ~ 59 2
62 OH 043.796-00.127 Mas 19 11 53.9868 +09 35 50.325           ~ 89 0
63 [ARM2000] G045.071+00.134 Mas 19 13 22.08 +10 50 54.0           ~ 2 0
64 OH 045.122+00.133 Mas 19 13 27.942 +10 53 34.84           ~ 8 0
65 [ARM2000] G045.465+00.047 Mas 19 14 25.68 +11 09 25.1           ~ 3 0
66 [ARM2000] G049.469-00.370 Mas 19 23 37.87 +14 29 58.9           ~ 2 0
67 W 51m Rad 19 23.7 +14 30           ~ 72 0
68 NAME W 51 South Rad 19 23 43 +14 29.7           ~ 21 0
69 W 51e1 HII 19 23 43.785 +14 30 26.11           ~ 141 0
70 W 51e2 Ma* 19 23 43.906 +14 30 34.48           ~ 222 0
71 [ARM2000] G049.488-00.387 Mas 19 23 43.98 +14 30 27.9           ~ 3 0
72 W 51 SNR 19 23 50 +14 06.0           ~ 1352 1
73 [ARM2000] G070.293+01.601 Mas 20 01 45.73 +33 32 45.3           ~ 4 0
74 W 58a HII 20 01 45.8 +33 32 43           ~ 294 4
75 [KCW94] 069.540-00.975 HII 20 10 08.95 +31 31 35.4           ~ 168 1
76 IRAS 20081+3122 Y*O 20 10 09.036 +31 31 34.14           ~ 172 0
77 Onsala 1 cor 20 10 09.2036 +31 31 36.090           ~ 194 0
78 GAL 075.78+00.34 cor 20 21 44.00 +37 26 38.0           ~ 131 1
79 NAME Cyg X FIR 33 Y*O 20 38 35.9 +42 37 22           B1.5 423 1
80 [HCB2002] 203649.95+422657.9 Mas 20 38 36.32 +42 37 34.5           ~ 5 0
81 JCMTSF J203900.9+422248 Mas 20 39 00.97 +42 22 48.2           ~ 4 0
82 NAME DR 21(OH) M Rad 20 39 01 +42 29.8           ~ 91 0
83 NAME Cyg X FIR 36 Rad 20 39 01.6 +42 22 47           ~ 124 1
84 [ARM2000] G109.871+02.114 Mas 22 56 17.87 +62 01 48.6           ~ 3 0
85 NAME Cepheus A SFR 22 56 17.9 +62 01 49           ~ 760 2
86 NGC 7538 OpC 23 13 37 +61 30.0           ~ 920 1
87 [ARM2000] G111.533+00.757 Mas 23 13 45.02 +61 26 49.3           ~ 2 0
88 NAME Local Arm reg ~ ~           ~ 649 0

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