2007ApJ...669..435P

Query : 2007ApJ...669..435P

2007ApJ...669..435P - Astrophys. J., 669, 435-445 (2007/November-1)

The Arecibo Methanol Maser Galactic Plane Survey. II. Statistical and multiwavelength counterpart analysis.

PANDIAN J.D. and GOLDSMITH P.F.

Abstract (from CDS):

We present an analysis of the properties of the 6.7 GHz methanol maser sample detected in the Arecibo Methanol Maser Galactic Plane Survey. The distribution of the masers in the Galaxy, and statistics of their multiwavelength counterparts is consistent with the hypothesis of 6.7 GHz maser emission being associated with massive young stellar objects. Using the detection statistics of our survey, we estimate the minimum number of methanol masers in the Galaxy to be 1275. The l-v diagram of the sample shows the tangent point of the Carina-Sagittarius spiral arm to be around 49.6°, and suggests the occurrence of massive star formation along the extension of the Crux-Scutum arm. A Gaussian component analysis of the maser spectra shows the mean line width to be 0.38 km/s, which is more than a factor of 2 larger than what has been reported in the literature. We also find no evidence that faint methanol masers have different properties than their bright counterparts.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: Structure - ISM: H II Regions - Infrared: ISM - Masers - Radio Continuum: ISM - Stars: Formation - Surveys

VizieR on-line data: <Available at CDS (J/ApJ/669/435): table1.dat table2.dat>

Simbad objects: 60

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Number of rows : 60
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 NAME Crux-Scutum Spiral Arm reg 12 30 -60.0           ~ 323 0
2 NAME Car-Sgr Arm PoG 15 00 -40.0           ~ 581 1
3 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
4 RAFGL 5542 Y*O 18 53 37.88832 +01 50 30.5844           ~ 78 0
5 CORNISH G035.0242+00.3502 HII 18 54 00.49 +02 01 18.3           ~ 6 0
6 NVSS J185550+021153 Rad 18 55 50.0 +02 11 53           ~ 1 0
7 IRAS 18533+0208 MIR 18 55 51.02616 +02 12 22.1472           ~ 2 0
8 IRAS 18539+0153 Y*? 18 56 30.383 +01 57 09.24           ~ 4 0
9 MSX6C G036.9194+00.4825 Y*O 18 57 00.0 +03 46 07           ~ 6 2
10 IRAS 18547+0223 MIR 18 57 17.3 +02 27 58           ~ 8 0
11 IRAS 18554+0319 IR 18 57 59.0 +03 23 55           ~ 8 0
12 IRAS 18559+0416 IR 18 58 27.1 +04 20 46           ~ 6 0
13 IRAS 18561+0323 FIR 18 58 40.0 +03 28 03           ~ 2 0
14 IRAS 18566+0408 Y*O 18 59 09.95520 +04 12 15.6240           ~ 143 0
15 MSX6C G037.3815-00.0816 MIR 18 59 51.5 +03 55 19           ~ 1 0
16 CORNISH G037.5457-00.1120 Y*O 19 00 15.95 +04 03 13.0           ~ 12 0
17 MSX6C G037.7391-00.1156 MIR 19 00 38.1 +04 13 28           ~ 1 0
18 MSX6C G037.7527-00.1933 MIR 19 00 56.2 +04 12 04           ~ 1 0
19 CORNISH G037.7633-00.2167 HII 19 01 02.36 +04 11 58.9           ~ 14 0
20 MSX6C G037.7625-00.2181 MIR 19 01 02.6 +04 11 54           ~ 2 0
21 IRAS 18589+0437 Y*? 19 01 26.21952 +04 42 17.4924           ~ 14 0
22 NVSS J190135+050739 Rad 19 01 35.32 +05 07 39.0           ~ 2 0
23 IRAS 18592+0422 * 19 01 47.05 +04 27 19.2           ~ 3 0
24 IRAS 18593+0419 IR 19 01 51.3 +04 24 22           ~ 4 0
25 IRAS 18594+0434 * 19 01 52.4887575288 +04 38 33.840250440           ~ 9 0
26 AGAL G039.388-00.141 cor 19 03 45 +05 40.7           ~ 58 1
27 MSX6C G041.2676+00.3732 Y*O 19 05 23.59704 +07 35 05.2044           ~ 15 0
28 MSX6C G040.2816-00.2190 MIR 19 05 41.1 +06 26 13           ~ 2 0
29 IRAS 19035+0641 Y*O 19 06 01.6288 +06 46 36.140           ~ 84 0
30 [DIB2012] G41.10-0.15 HII 19 06 48.9 +07 10 55           ~ 1 0
31 MSX6C G041.0723-00.1256 MIR 19 06 49.333 +07 11 02.62           ~ 1 0
32 IRAS 19044+0709 * 19 06 50.26680 +07 14 01.4784           ~ 3 0
33 MSX6C G041.1195-00.2216 MIR 19 07 14.8 +07 10 47           ~ 1 0
34 MSX6C G041.2282-00.1966 MIR 19 07 21.5 +07 17 16           ~ 1 0
35 MSX6C G041.3477-00.1414 MIR 19 07 23.0 +07 25 09           ~ 1 0
36 IRAS 19050+0806 Y*O 19 07 28.1 +08 10 53           ~ 5 0
37 IRAS 19074+0814 mul 19 09 50.1 +08 19 40           ~ 25 0
38 [L89b] 42.431-00.264 cor 19 09 50.18 +08 19 27.7           ~ 51 1
39 IRAS 19075+0832 IR 19 09 56.2 +08 36 57           ~ 3 0
40 W 49n HII 19 10 13.2 +09 06 12           ~ 497 3
41 W 49 SFR 19 10 20 +09 07.7           ~ 601 1
42 IRAS 19095+0930 cor 19 11 54.09216 +09 35 49.6896           ~ 115 0
43 2MASS J19121570+1007535 Y*O 19 12 15.705 +10 07 53.53           ~ 12 1
44 IRAS 19110+1045 Y*O 19 13 22.0427 +10 50 53.336           ~ 132 0
45 RAFGL 2345 Cld 19 14 08.6 +11 12 27           ~ 64 0
46 OH 045.5+00.1 OH* 19 14 19.61808 +11 10 35.3280           O-rich 65 0
47 AGAL G045.466+00.046 cor 19 14 25.69 +11 09 25.2           ~ 38 0
48 NVSS J191455+114601 Rad 19 14 55.0 +11 46 01           ~ 2 0
49 MSX6C G045.5664-00.1193 MIR 19 15 12.8 +11 10 11           ~ 1 0
50 IRAS 19141+1110 MIR 19 16 31.3 +11 16 21           ~ 4 0
51 MSX6C G049.3496+00.4150 MIR 19 20 32.0 +14 45 51           ~ 1 0
52 IRAS 19184+1432 IR 19 20 45.8 +14 38 25           ~ 2 0
53 MSX6C G048.9897-00.2992 Y*O 19 22 26.1348 +14 06 39.133           ~ 32 1
54 IRAS 19211+1434 HII 19 23 26.5 +14 40 18           ~ 4 0
55 W 51 SNR 19 23 50 +14 06.0           ~ 1352 1
56 MSX6C G050.7796+00.1520 HII 19 24 17.5 +15 54 05           ~ 2 0
57 IRAS 19253+1748 cor 19 27 35.00880 +17 54 38.0376           ~ 22 0
58 MSX6C G053.0366+00.1110 Y*O 19 28 55.9 +17 52 00           ~ 5 1
59 MSX6C G053.1417+00.0705 Y*O 19 29 17.556 +17 56 20.62           ~ 16 0
60 MSX6C G053.6185+00.0376 HII 19 30 22.6 +18 20 32           ~ 3 0

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