1998AJ....116.1323K

Query : 1998AJ....116.1323K

1998AJ....116.1323K - Astron. J., 116, 1323-1331 (1998/September-0)

Shock-excited maser emission from supernova remnants: G32.8-0.1, G337.8-0.1, G346.6-0.2, and the HB 3/W3 complex.

KORALESKY B., FRAIL D.A., GOSS W.M., CLAUSSEN M.J. and GREEN A.J.

Abstract (from CDS):

We present the results of VLA observations in the ground-state hydroxyl (OH) transition at 1720 MHz toward 20 supernova remnants (SNRs). We detect compact emission from four objects. For three of these objects (G32.8-0.1, G337.8-0.1, and G346.6-0.2), we argue that the emission results from masers that are shock-excited due to the interaction of the SNR and an adjacent molecular cloud. We observe a characteristic Zeeman profile in the Stokes V spectrum, which allows us to derive a magnetic field of 1.5 and 1.7 mG for G32.8-0.1 and G346.6-0.2, respectively. The velocity of the masers also allows us to determine a kinematic distance to the supernova remnants (SNRs). Our criteria for a maser to be associated with an SNR along the line of sight are that the position and velocity of the maser and SNR must agree and the OH (1720) emission must be unaccompanied by other OH lines.

Abstract Copyright: ∼

Journal keyword(s): ISM: Clouds - ISM: Magnetic Fields - ISM: Molecules - ISM: Supernova Remnants

Nomenclature: Tables 2, 3: [KFG98] HHMMSS.ss-DDMMSS.s N=5+6.

CDS comments: HB 3 = HBH 3

Simbad objects: 47

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Number of rows : 47
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 SNR G132.6+01.5 SNR 02 17 40 +62 45.0           ~ 179 0
2 [KFG98] 022139.85+615433.8 Mas 02 25 27.33 +62 08 05.5           ~ 1 0
3 [KFG98] 022141.11+615330.4 Mas 02 25 28.54 +62 07 02.1           ~ 1 0
4 [KFG98] 022141.12+615330.4 Mas 02 25 28.55 +62 07 02.1           ~ 1 0
5 [KFG98] 022141.42+615326.0 Mas 02 25 28.85 +62 06 57.6           ~ 1 0
6 W 3d HII 02 25 29.8 +62 06 27           ~ 37 0
7 MPCM J022530.99+620620.9 HII 02 25 31.18 +62 06 24.5           O8V-B0.5V 105 1
8 W 3h HII 02 25 32.00 +62 06 59.3           ~ 27 1
9 W 3g HII 02 25 32.04 +62 05 51.8           ~ 12 0
10 [KFG98] 022146.89+615216.0 Mas 02 25 34.30 +62 05 47.4           ~ 1 0
11 W 3e HII 02 25 35.1 +62 05 35           ~ 24 2
12 GAL 133.71+01.22 HII 02 25 38.1 +62 05 52           ~ 76 0
13 MPCM J022540.39+620540.1 HII 02 25 40.51 +62 05 40.7           O9V-B2V 36 0
14 IC 1795 HII 02 25 43.5 +62 06 13           ~ 238 0
15 [KFG98] 022316.58+613858.4 Mas 02 27 03.96 +61 52 26.0           ~ 1 0
16 NAME W 3 OH HII 02 27 04.1 +61 52 22           ~ 1026 2
17 W 3 MoC 02 27 04.10 +61 52 27.1           ~ 1032 3
18 IC 443 SNR 06 17 00.0000000 +22 34 11.998901           ~ 1235 1
19 SNR G337.8-00.1 SNR 16 39.0 -46 59           ~ 76 0
20 [KFG98] 163852.15-465616.1 Mas 16 42 33.31 -47 01 56.1           ~ 1 0
21 SNR G340.6+00.3 SNR 16 47.7 -44 34           ~ 36 0
22 SNR G342.0-00.2 SNR 16 54.8 -43 53           ~ 32 0
23 SNR G341.9-00.3 SNR 16 55.0 -44 01           ~ 40 0
24 SNR G343.1-00.7 SNR 17 00.4 -43 14           ~ 19 0
25 [KFG98] 170635.53-401022.2 Mas 17 10 04.36 -40 14 06.3           ~ 1 0
26 OH 346.560-00.239 Mas 17 10 11.081 -40 14 51.85           ~ 2 0
27 SNR G346.6-00.2 SNR 17 10.3 -40 11           ~ 93 0
28 [KFG98] 170656.03-400938.3 Mas 17 10 24.86 -40 13 21.0           ~ 1 0
29 SNR G348.5-00.0 Rad 17 15 26 -38 28.0           ~ 36 1
30 SNR G352.7-00.1 Rad 17 27 43 -35 06.5           ~ 72 1
31 SNR G354.8-00.8 SNR 17 36 00 -33 42.0           ~ 26 1
32 SNR G359.1-00.5 Rad 17 45 30 -29 57.0           ~ 174 1
33 NAME Sgr A-E Rad 17 45 41.131 -29 04 36.43           ~ 78 0
34 SNR G006.4-00.1 SNR 18 00 31.2011719 -23 25 48.001099           ~ 737 1
35 SNR G013.3-01.3 SNR 18 19 34 -18 00.0           ~ 23 0
36 4C -04.71 Rad 18 41 19.8 -04 56 06           ~ 327 3
37 3C 391.0 BL? 18 49 16.3 -00 55 01           ~ 352 2
38 4C -00.73 Rad 18 51 46.9 -00 03 19           ~ 100 1
39 [KFG98] 184914.02-001414.2 Mas 18 51 48.04 -00 10 35.0           ~ 1 0
40 SNR G033.6+00.1 SNR 18 52 29.000 +00 38 42.00           ~ 285 1
41 SNR G034.6-00.5 SNR 18 56 10.650 +01 13 21.30           ~ 964 2
42 SNR G039.2-00.3 SNR 19 04 03.9 +05 26 56           ~ 192 1
43 SNR G049.1-00.1 SNR 19 23 19.300 +14 09 21.00           ~ 283 0
44 SH 2-106 HII 20 27 26.8 +37 22 49           ~ 440 1
45 SNR G093.7-00.2 SNR 21 29.3 +50 50           ~ 71 1
46 CTB 109 BL? 23 01 35 +58 53.0           ~ 344 0
47 3C 461 BL? 23 23 24.000 +58 48 54.00     14.30     ~ 2792 1

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