2008A&A...485..729X

Query : 2008A&A...485..729X

2008A&A...485..729X - Astronomy and Astrophysics, volume 485729-734 (2008/7-3)

A high-sensitivity 6.7 GHz methanol maser survey toward H2O sources.

XU Y., LI J.J., HACHISUKA K., PANDIAN J.D., MENTEN K.M. and HENKEL C.

Abstract (from CDS):

We present the results of a high sensitivity survey for 6.7GHz methanol masers towards 22GHz water masers using the 100m Efflesberg telescope. A total of 89 sources were observed and 10 new methanol masers were detected. The new detections are relatively faint with peak flux densities of between 0.5 and 4.0Jy. A nil detection rate from low-mass star forming regions enhances the conclusion that the masers are only associated with massive star formation. Even the faintest methanol maser in our survey, with a luminosity of 1.1x10–9L☉, is associated with massive stars, as inferred from its infrared luminosity.

Abstract Copyright: ∼

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

Simbad objects: 40

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Number of rows : 40
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 [PCC93] 4 Mas 00 23 58.1 +66 06 03           ~ 3 0
2 [PBC91] B004205.3+553054 Mas 00 44 57.5 +55 47 18           ~ 3 0
3 GAL 125.63+02.02 Mas 01 16 47.32 +64 45 42.6           ~ 19 0
4 GAL 133.69+01.22 HII 02 25 28.23 +62 06 57.7           ~ 6 0
5 NAME W 3 OH HII 02 27 04.1 +61 52 22           ~ 1064 2
6 W 3 MoC 02 27 04.10 +61 52 27.1           ~ 1064 3
7 [CPF88] 023931.0+624416.0 Mas 02 43 29.1 +62 57 00           ~ 2 0
8 IRAS 02425+6851 IR 02 47 00.2 +69 04 11           ~ 9 0
9 IRAS 02485+6902 * 02 53 06.31656 +69 14 36.6828           ~ 15 0
10 IRAS 05137+3919 Cld 05 17 13.3 +39 22 14           ~ 75 0
11 [RLK73] IRc 2 IR 05 35 14.51548 -05 22 30.5943           ~ 673 1
12 NGC 2024 Cl* 05 41 43 -01 50.5           ~ 1198 1
13 NAME Mon R2 HII 06 07 47.58 -06 22 42.6           ~ 789 2
14 IRAS 06446+0029 Y*O 06 47 13.3609352982 +00 26 06.026090997           ~ 29 1
15 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
16 IRAS 18319-0802 IR 18 34 37.8 -08 00 00           ~ 6 0
17 [M91] B183155.8-083417 Mas 18 34 39.0 -08 31 36           ~ 11 0
18 Caswell CH3OH 023.01-00.41 Mas 18 34 39.9 -09 00 44           ~ 17 0
19 OH 024.7+00.3 OH* 18 35 29.21616 -07 13 10.9740           O-rich 40 0
20 V* EW Sct cC* 18 37 51.1112159832 -06 47 48.494842332   9.50 7.96     F8Ib/II 117 0
21 IRAS 18403-0440 mul 18 43 01.0 -04 37 33           ~ 6 0
22 GAL 029.91-00.05 Mas 18 46 05.9 -02 42 27           ~ 4 0
23 W 43 SFR 18 47 32 -01 56.5           ~ 604 0
24 RAFGL 5536 HII 18 50 30.8 -00 01 59           ~ 48 0
25 SH 2-76 W HII 18 55 57.5 +07 53 03           ~ 11 0
26 GAL 035.05-00.52 HII 18 57 09.044 +01 39 03.37           ~ 21 0
27 NAME W 49A South HII 19 10 21.833 +09 05 03.30           ~ 59 2
28 W 51m Rad 19 23.7 +14 30           ~ 72 0
29 GAL 075.78+00.34 cor 20 21 44.00 +37 26 38.0           ~ 131 1
30 RAFGL 2591 Y*O 20 29 24.8230 +40 11 19.590           ~ 640 0
31 NAME Cyg X FIR 33 Y*O 20 38 35.9 +42 37 22           B1.5 423 1
32 NAME DR 21(OH) M Rad 20 39 01 +42 29.8           ~ 91 0
33 W 75(OH) Rad 20 39 01.01 +42 22 49.9           ~ 39 0
34 NGC 7027 PN 21 07 01.571952 +42 14 10.47120   10.358 8.831 10.157   ~ 2541 1
35 SH 2-128 HII 21 32 09.9 +55 52 53           ~ 173 1
36 NAME S128(H20) Mas 21 32 11.44 +55 53 54.7           ~ 18 0
37 BFS 11 HII 21 43.0 +66 07           ~ 18 0
38 SH 2-140 OpC 22 19 07.8 +63 17 07           ~ 668 2
39 IRAS 22176+6303 Y*O 22 19 18.23 +63 18 47.5           ~ 600 0
40 NGC 7538 OpC 23 13 37 +61 30.0           ~ 920 1

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