2010MNRAS.405.2471V

Query : 2010MNRAS.405.2471V

2010MNRAS.405.2471V - Mon. Not. R. Astron. Soc., 405, 2471-2484 (2010/July-2)

New 9.9-GHz methanol masers.

VORONKOV M.A., CASWELL J.L., ELLINGSEN S.P. and SOBOLEV A.M.

Abstract (from CDS):

The Australia Telescope Compact Array has been used to make the first extensive search for the class I methanol masers at 9.9GHz. In total, 48 regions of high-mass star formation were observed. In addition to masers in W33-Met (G12.80-0.19) and G343.12-0.06 (IRAS 16547-4247) which have already been reported in the literature, two new 9.9-GHz masers have been found towards G331.13-0.24 and G19.61 -0.23. We have determined absolute positions (accurate to roughly a second of arc) for all the detected masers and suggest that some class I masers may be associated with shocks driven into molecular clouds by expanding HII regions. Our observations also imply that the evolutionary stage of a high-mass star-forming region when the class I masers are present can outlast the stage when the class II masers at 6.7-GHz are detectable, and overlaps significantly with the stage when OH masers are active.

Abstract Copyright: © 2010 CSIRO. Journal compilation © 2010 RAS

Journal keyword(s): masers - stars: formation - ISM: HII regions - ISM: molecules

Simbad objects: 41

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Number of rows : 41
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 IRAS 12326-6245 HII 12 35 35.184 -63 02 29.40           ~ 55 0
2 OH 305.20+00.21 Mas 13 11 10.4904 -62 34 38.856           ~ 46 0
3 [WB2006] G305A Mas 13 11 14.4 -62 34 26           ~ 20 1
4 Caswell CH3OH 305.25+00.25 Mas 13 11 32.47 -62 32 09.1           ~ 16 0
5 GRS G305.36 +00.18 HII 13 12 29.2 -62 34 29           ~ 22 0
6 Caswell CH3OH 326.475+00.703 Mas 15 43 16.64 -54 07 14.6           ~ 10 0
7 IRAS 15464-5348 Y*? 15 50 18.491 -53 57 06.36           ~ 11 0
8 MMB G326.859-00.677 cor 15 51 14.19 -54 58 04.8           ~ 20 0
9 MMB G327.618-00.111 Mas 15 52 50.22 -54 03 00.8           ~ 21 0
10 OH 327.3-00.6 Mas 15 53 07.65 -54 37 06.1           ~ 35 1
11 GAL 328.81+00.64 HII 15 55 48.2 -52 42 50           ~ 10 0
12 OH 328.24-00.55 Mas 15 57 58.28 -53 59 22.7           ~ 38 0
13 EGO G329.47+0.50 of? 15 59 40.71 -52 23 27.3           ~ 18 0
14 OH 329.03-00.20 Mas 16 00 30.32 -53 12 27.3           ~ 14 0
15 OH 329.03-00.21 Mas 16 00 31.80 -53 12 49.6           ~ 16 0
16 IRAS 16071-5142 HII 16 11 00 -51 50.3           ~ 40 0
17 OH 333.2-00.1 Y*? 16 19 50.87064 -50 15 10.2888           ~ 38 0
18 OH 337.40-00.41 Mas 16 38 50.52 -47 28 00.2           ~ 40 0
19 OH 338.925+00.557 Mas 16 40 33.53 -45 41 37.1           ~ 13 0
20 OH 339.6-00.1 Y*O 16 46 05.99 -45 36 43.3           ~ 86 0
21 IRAS 16533-4009 HII 16 56 45.58 -40 14 32.4           ~ 49 0
22 IRAS 16547-4247 Y*O 16 58 17.208 -42 52 08.16           ~ 187 0
23 IRAS 17016-4124 SFR 17 05 11.160 -41 29 06.00           ~ 75 0
24 NAME NGC 6334 FIR V Cl* 17 19 57 -35 57.5           ~ 99 0
25 NAME NGC 6334-IV Cl* 17 20 17 -35 54.9           ~ 48 1
26 AGAL G351.244+00.669 cor 17 20 17.84 -35 54 46.0           ~ 35 0
27 NGC 6334 HII 17 20 53 -36 07.9           ~ 740 0
28 NAME NGC 6334-I Cl* 17 20 53.35 -35 47 01.5           ~ 373 0
29 NAME NGC 6334F (C) HII 17 20 53.45 -35 47 02.6           ~ 244 1
30 NAME NGC 6334 I(N) smm 17 20 54 -35 45.0           ~ 165 1
31 IRAS 17233-3606 HII 17 26 42.8 -36 09 17           ~ 98 0
32 OH 000.55-00.85 Mas 17 50 14.35 -28 54 31.1           ~ 34 0
33 GAL 009.62+00.19 HII 18 06 13.9 -20 31 44           ~ 226 0
34 [VES2000] 181115.70-175653.0 Mas 18 11 15.70 -17 56 53.0           ~ 8 0
35 W 33b SFR 18 13 54.68 -18 01 48.1           ~ 85 0
36 OH 012.68-00.18 Mas 18 13 54.7457 -18 01 46.588           ~ 49 0
37 NAME W 33-Met HII 18 14 12.5 -17 55 44           ~ 30 0
38 W 33 SFR 18 14 14.0 -17 55 50           ~ 292 0
39 W 33a Y*O 18 14 39.56547 -17 52 02.2260           ~ 746 0
40 IRAS 18151-1208 Y*O 18 17 58.1254 -12 07 24.893           ~ 114 0
41 GAL 019.61-00.23 HII 18 27 38.0 -11 56 42           ~ 162 0

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