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• Non-detection table: Show non-detection table
  Detection table: Show detection table (82 detection)
• Target type: Known_Class_II
  Transitions: CH3OH_6(II)
  

• Abstract

  We present accurate absolute astrometry of 6.7 GHz methanol masers detected in the Arecibo Methanol Maser Galactic Plane Survey using MERLIN and the Expanded Very Large Array (EVLA). We estimate the absolute astrometry to be accurate to better than 15 and 80 mas for the MERLIN and EVLA observations, respectively. We also derive the morphologies of the maser emission distributions for sources stronger than ~1 Jy. The median spatial extent along the major axis of the regions showing maser emission is ~775 AU. We find a majority of methanol maser morphologies to be complex with some sources previously determined to have regular morphologies in fact being embedded within larger structures. This suggests that some maser spots do not have a compact core, which leads to them being resolved in high angular resolution observations. This also casts doubt on interpretations of the origin of methanol maser emission solely based on source morphologies. We also investigate the association of methanol masers with mid-infrared emission and find very close correspondence between methanol masers and 24 μm point sources. This adds further credence to theoretical models that predict methanol masers to be pumped by warm dust emission and firmly reinforces the finding that Class II methanol masers are unambiguous tracers of embedded high-mass protostars.

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Detection table from Pandian et al. (2011)

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ID	Obs. RA	Obs. Dec	l	b	Group id	Source name	Image	Descr.	Line	Vpeak	Fpeak	Telescope	Beam	Detection	Class	Dist. (parallax)	Date
	(J2000)	(J2000)	(deg.)	(deg.)					CH3OH (class II)	(km/s)	(Jy)		(arcsec)	Yes/No		(kpc)
1	18 54 0.7	+02 01 19.2	35.0247	0.3497	G35.025+0.350	G35.03+0.35	Image	Descr	6.6 GHz (II);	44.4	17.8	MERLIN	0.06	+H2O +CH3OH I +CH3OH II +OH	SFR		2007 Feb-Jun
2	18 56 30.4	+01 57 8.9	35.2473	-0.2369	G35.247-0.237	G35.25-0.24	Image		6.6 GHz (II);	72.4	0.9	MERLIN	0.06	-H2O +CH3OH I +CH3OH II	SFR		2007 Feb-Jun
3	18 57 16.9	+02 27 58.1	35.7927	-0.1747	G35.793-0.175	G35.79-0.17	Image	Descr	6.6 GHz (II);	60.7	22.2	MERLIN	0.06	+H2O +CH3OH I +CH3OH II +OH	SFR		2007 Feb-Jun
4	18 58 55.2	+03 12 4.7	36.6337	-0.2030	G36.634-0.203	G36.64-0.21			6.6 GHz (II);	77.5	0.74	MERLIN	0.06	+H2O -CH3OH I +CH3OH II	SFR		2007 Feb-Jun
5	18 57 59.1	+03 24 6.1	36.7053	0.0962	G36.705+0.096	G36.70+0.09	Image	Descr	6.6 GHz (II);	53.1	7.5	MERLIN	0.06	+H2O -CH3OH I +CH3OH II +OH	SFR		2007 Feb-Jun
6	18 56 59.8	+03 46 3.6	36.9183	0.4828	G36.918+0.483	G36.92+0.48		Descr	6.6 GHz (II);	-35.9	0.47	MERLIN	0.06	+H2O -CH3OH I +CH3OH II	SFR		2007 Feb-Jun
7	18 59 3.6	+03 37 45.1	37.0303	-0.0386	G37.038-0.035	G37.02-0.03	Image	Descr	6.6 GHz (II);	78.4	6.9	MERLIN	0.06	+H2O -CH3OH I +CH3OH II +OH	SFR		2007 Feb-Jun
8	18 59 4.4	+03 38 32.8	37.0435	-0.0354	G37.038-0.035	G37.04-0.04	Image	Descr	6.6 GHz (II);	84.7	6	MERLIN	0.06	+H2O -CH3OH I +CH3OH II +OH	SFR		2007 Feb-Jun
9	19 00 7.1	+03 59 53.1	37.4790	-0.1048	G37.479-0.105	G37.47-0.11	Image	Descr	6.6 GHz (II);	58.3	5.8	MERLIN	0.06	+H2O +CH3OH I +CH3OH II	SFR		2007 Feb-Jun
10	19 00 16.1	+04 03 16.1	37.5461	-0.1119	G37.546-0.112	G37.53-0.11	Image	Descr	6.6 GHz (II);	50.1	2.5	MERLIN	0.06	+H2O -CH3OH I +CH3OH II	SFR		2007 Feb-Jun
11	18 58 26.8	+04 20 45.5	37.5979	0.4251	G37.598+0.425	G37.60+0.42	Image	Descr	6.6 GHz (II);	87	16.3	MERLIN	0.06	+H2O +CH3OH I +CH3OH II	SFR		2007 Feb-Jun
12	19 01 50.5	+04 24 18.9	38.0375	-0.3003	G38.038-0.300	G38.03-0.30	Image	Descr	6.6 GHz (II);	58.2	8.3	MERLIN	0.06	+H2O -CH3OH I +CH3OH II +OH	SFR		2007 Feb-Jun
13	19 01 44.2	+04 30 37.4	38.1190	-0.2289	G38.119-0.229	G38.12-0.24	Image	Descr	6.6 GHz (II);	70.7	3	MERLIN	0.06	-H2O -CH3OH I +CH3OH II	SFR_MIXED		2007 Feb-Jun
14	19 01 18.7	+04 39 34.3	38.2033	-0.0667	G38.203-0.067	G38.20-0.08	Image	Descr	6.6 GHz (II);	84.3	9.7	MERLIN	0.06	+H2O -CH3OH I +CH3OH II	SFR		2007 Feb-Jun
15	19 01 35.2	+05 07 47.4	38.6528	0.0875	G38.653+0.088	G38.66+0.08			6.6 GHz (II);	-31.3	1.3	MERLIN	0.06	-H2O -CH3OH I +CH3OH II	SFR		2007 Feb-Jun
16	19 03 38.7	+05 09 42.5	38.9158	-0.3531	G38.917-0.353	G38.92-0.36	Image		6.6 GHz (II);	32.1	2.4	MERLIN	0.06	+H2O +CH3OH I +CH3OH II	SFR		2007 Feb-Jun
17	19 03 45.3	+05 40 42.7	39.3877	-0.1407	G39.388-0.141	G39.39-0.14			6.6 GHz (II);	60.4	0.26	MERLIN	0.06	+H2O +CH3OH I +CH3OH II +OH	SFR		2007 Feb-Jun
18	19 05 41.2	+06 26 12.7	40.2818	-0.2194	G40.282-0.220	G40.28-0.22	Image	Descr	6.6 GHz (II);	74.1	20.5	MERLIN	0.06	+H2O +CH3OH I +CH3OH II +OH	SFR		2007 Feb-Jun
19	19 06 1.6	+06 46 36.2	40.6225	-0.1383	G40.623-0.138	G40.62-0.14	Image	Descr	6.6 GHz (II);	31.1	17.4	MERLIN	0.06	+H2O -CH3OH I +CH3OH II +OH	SFR		2007 Feb-Jun
20	19 06 15.4	+07 05 54.5	40.9344	-0.0410	G40.934-0.041	G40.94-0.04	Image		6.6 GHz (II);	36.6	3.4	MERLIN	0.06	-H2O -CH3OH I +CH3OH II	UNK		2007 Feb-Jun
21	19 07 14.9	+07 11 0.7	41.1230	-0.2202	G41.123-0.220	G41.12-0.22	Image	Descr	6.6 GHz (II);	63.6	1.3	MERLIN	0.06	-H2O +CH3OH I +CH3OH II	SFR		2007 Feb-Jun
22	19 07 21.4	+07 17 8.2	41.2261	-0.1972	G41.226-0.197	G41.23-0.20	Image	Descr	6.6 GHz (II);	57.2	5.1	MERLIN	0.06	-H2O -CH3OH I +CH3OH II	SFR		2007 Feb-Jun
23	19 07 21.8	+07 25 17.3	41.3476	-0.1364	G41.348-0.136	G41.34-0.14	Image	Descr	6.6 GHz (II);	11.7	11.8	MERLIN	0.06	+H2O -CH3OH I +CH3OH II +OH	SFR		2007 Feb-Jun
24	19 07 28.2	+08 10 53.5	42.0344	0.1901	G42.034+0.190	G42.03+0.19	Image	Descr	6.6 GHz (II);	12.8	16.1	MERLIN	0.06	+H2O -CH3OH I +CH3OH II +OH	SFR		2007 Feb-Jun
25	19 09 43.6	+08 11 41.4	42.3036	-0.2994	G42.304-0.299	G42.30-0.30	Image		6.6 GHz (II);	28.1	6.2	MERLIN	0.06	+H2O -CH3OH I +CH3OH II +OH	SFR		2007 Feb-Jun
26	19 09 49.9	+08 19 45.4	42.4348	-0.2602	G42.435-0.260	G42.43-0.26		Descr	6.6 GHz (II);	66.8	1.6	MERLIN	0.06	+H2O +CH3OH I +CH3OH II	GALAXY		2007 Feb-Jun
27	19 09 55.1	+08 36 53.4	42.6980	-0.1475	G42.698-0.147	G42.70-0.15	Image	Descr	6.6 GHz (II);	-42.9	3.2	MERLIN	0.06	-H2O -CH3OH I +CH3OH II	SFR		2007 Feb-Jun
28	19 11 39	+08 46 30.7	43.0380	-0.4530	G43.038-0.453	G43.04-0.46	Image	Descr	6.6 GHz (II);	54.8	8.7	MERLIN	0.06	+H2O +CH3OH I +CH3OH II +OH	SFR		2007 Feb-Jun
29	19 10 22.1	+08 58 51.5	43.0741	-0.0770	G43.074-0.077	G43.08-0.08	Image		6.6 GHz (II);	10.2	6.5	MERLIN	0.06	+H2O -CH3OH I +CH3OH II	SFR		2007 Feb-Jun
30	19 10 11	+09 05 20.5	43.1490	0.0131	G43.167+0.011	G43.15+0.02	Image	Descr	6.6 GHz (II);	13.3	10.2	MERLIN	0.06	+H2O +CH3OH I +CH3OH II +OH	SFR_MIXED		2007 Feb-Jun
31	19 10 12.9	+09 06 12.2	43.1653	0.0130	G43.167+0.011	G43.16+0.02	Image	Descr	6.6 GHz (II);	9.3	20.1	MERLIN	0.06	+H2O +CH3OH I +CH3OH II +OH	SFR_MIXED		2007 Feb-Jun
32	19 10 15.4	+09 06 15.5	43.1708	0.0044	G43.167+0.011	G43.17+0.01	Image	Descr	6.6 GHz (II);	20.2	5.9	MERLIN	0.06	+H2O +CH3OH I +CH3OH II +OH	SFR_MIXED		2007 Feb-Jun
33	19 10 16.7	+09 05 51.3	43.1674	-0.0037	G43.167+0.011	G43.17+0.01	Image		6.6 GHz (II);	-1.1	1.6	MERLIN	0.06	+H2O +CH3OH I +CH3OH II +OH	SFR_MIXED		2007 Feb-Jun
34	19 10 20.1	+09 05 55.9	43.1749	-0.0153	G43.167+0.011	G43.18-0.01			6.6 GHz (II);	11.2	0.32	MERLIN	0.06	+H2O +CH3OH I +CH3OH II +OH	SFR_MIXED		2007 Feb-Jun
35	19 11 54	+09 35 50.6	43.7955	-0.1272	G43.795-0.127	G43.80-0.13	Image	Descr	6.6 GHz (II);	39.6	53.9	MERLIN	0.06	+H2O +CH3OH I +CH3OH II +OH	SFR		2007 Feb-Jun
36	19 13 22.1	+10 50 53.1	45.0713	0.1320	G45.071+0.132	G45.07+0.13	Image	Descr	6.6 GHz (II);	57.8	63.5	MERLIN	0.06	+H2O +CH3OH I +CH3OH II +OH -SiO	SFR		2007 Feb-Jun
37	19 14 18.3	+11 08 59	45.4451	0.0685	G45.465+0.053	G45.44+0.07		Descr	6.6 GHz (II);	50	0.68	MERLIN	0.06	+H2O +CH3OH I +CH3OH II +OH	SFR		2007 Feb-Jun
38	19 14 7.4	+11 12 16	45.4728	0.1335	G45.476+0.130	G45.47+0.13	Image	Descr	6.6 GHz (II);	65.7	8.4	MERLIN	0.06	+H2O +CH3OH I +CH3OH II +OH	SFR		2007 Feb-Jun
39	19 14 24.1	+11 09 43.4	45.4671	0.0531	G45.465+0.053	G45.47+0.05	Image	Descr	6.6 GHz (II);	56	5.7	MERLIN	0.06	+H2O +CH3OH I +CH3OH II +OH	SFR		2007 Feb-Jun
40	19 14 11.4	+11 13 6.4	45.4928	0.1256	G45.476+0.130	G45.49+0.13	Image	Descr	6.6 GHz (II);	57.3	9.7	MERLIN	0.06	+H2O +CH3OH I +CH3OH II +OH	SFR		2007 Feb-Jun
41	19 16 31.1	+11 16 12	45.8041	-0.3559	G45.804-0.356	G45.81-0.36	Image		6.6 GHz (II);	59.9	14.3	MERLIN	0.06	+H2O +CH3OH I +CH3OH II	SFR		2007 Feb-Jun
42	19 14 25.5	+11 53 26	46.1148	0.3866	G46.115+0.387	G46.12+0.38	Image	Descr	6.6 GHz (II);	59	0.9	MERLIN	0.06	+H2O -CH3OH I +CH3OH II	SFR		2007 Feb-Jun
43	19 22 10.3	+14 02 43.5	48.9022	-0.2734	G48.902-0.273	G48.90-0.27	Image	Descr	6.6 GHz (II);	72	0.52	MERLIN	0.06	+H2O +CH3OH I +CH3OH II	SFR		2007 Feb-Jun
44	19 22 26.1	+14 06 39.8	48.9902	-0.2988	G48.990-0.299	G48.99-0.30		Descr	6.6 GHz (II);	71.5	0.74	MERLIN	0.06	+H2O +CH3OH I +CH3OH II +OH	SFR_MIXED		2007 Feb-Jun
45	19 20 44.9	+14 38 26.9	49.2652	0.3112	G49.265+0.311	G49.27+0.31	Image	Descr	6.6 GHz (II);	-4.5	8.2	MERLIN	0.06	-H2O +CH3OH I +CH3OH II +OH	SFR_MIXED		2007 Feb-Jun
46	19 20 32.4	+14 45 45.4	49.3492	0.4125	G49.349+0.413	G49.35+0.41	Image	Descr	6.6 GHz (II);	68	11	MERLIN	0.06	-H2O -CH3OH I +CH3OH II	SFR_MIXED		2007 Feb-Jun
47	19 20 59.2	+14 46 49.7	49.4156	0.3257	G49.416+0.326	G49.41+0.33	Image	Descr	6.6 GHz (II);	-12.1	10.1	MERLIN	0.06	+H2O -CH3OH I +CH3OH II +OH	SFR_MIXED		2007 Feb-Jun
48	19 20 59.8	+14 46 49.1	49.4166	0.3235	G49.416+0.326	G49.42+0.32	Image	Descr	6.6 GHz (II);	-26	3.1	MERLIN	0.06	+H2O -CH3OH I +CH3OH II +OH	SFR_MIXED		2007 Feb-Jun
49	19 23 37.9	+14 29 59.3	49.4697	-0.3707	G49.488-0.387	G49.47-0.37			6.6 GHz (II);	64.1	2.9	MERLIN	0.06	+H2O +CH3OH I +CH3OH II +OH -SiO	SFR		2007 Feb-Jun
50	19 23 46.2	+14 29 47.1	49.4825	-0.4018	G49.488-0.387	G49.48-0.40			6.6 GHz (II);	50	2.8	MERLIN	0.06	+H2O +CH3OH I +CH3OH II +OH -SiO	SFR		2007 Feb-Jun
51	19 23 39.8	+14 31 4.9	49.4894	-0.3690	G49.488-0.387	G49.49-0.37			6.6 GHz (II);	56.4	18.9	MERLIN	0.06	+H2O +CH3OH I +CH3OH II +OH -SiO	SFR		2007 Feb-Jun
52	19 23 43.9	+14 30 34.5	49.4898	-0.3876	G49.488-0.387	G49.49-0.39			6.6 GHz (II);	59.2	247	MERLIN	0.06	+H2O +CH3OH I +CH3OH II +OH -SiO	SFR		2007 Feb-Jun
53	19 23 26.6	+14 40 17	49.5994	-0.2495	G49.599-0.250	G49.60-0.25	Image	Descr	6.6 GHz (II);	63.1	48.6	MERLIN	0.06	+H2O -CH3OH I +CH3OH II	SFR		2007 Feb-Jun
54	19 24 17.4	+15 54 1.6	50.7789	0.1518	G50.779+0.152	G50.78+0.15	Image		6.6 GHz (II);	49.1	4.7	MERLIN	0.06	+H2O -CH3OH I +CH3OH II	SFR		2007 Feb-Jun
55	19 27 35	+17 54 38.1	52.9218	0.4139	G52.922+0.414	G52.92+0.41	Image	Descr	6.6 GHz (II);	39.1	4.9	MERLIN	0.06	+H2O -CH3OH I +CH3OH II	SFR		2007 Feb-Jun
56	19 29 17.6	+17 56 23.2	53.1419	0.0705	G53.142+0.070	G53.14+0.07	Image	Descr	6.6 GHz (II);	24.6	0.73	MERLIN	0.06	+H2O +CH3OH I +CH3OH II +OH	SFR_MIXED		2007 Feb-Jun
57	19 30 23	+18 20 26.7	53.6180	0.0354	G53.618+0.035	G53.62+0.04	Image	Descr	6.6 GHz (II);	19	11.2	MERLIN	0.06	-H2O -CH3OH I +CH3OH II +OH	SFR		2007 Feb-Jun
58	18 55 50.8	+02 12 19.1	35.3970	0.0253	G35.397+0.025	G35.40+0.03		Descr	6.6 GHz (II);	89.2	0.66	EVLA	0.08	-H2O +CH3OH I +CH3OH II	SFR		2008 Oct 16 and 18
59	18 56 4.2	+02 23 28.3	35.5880	0.0603	G35.575+0.067	G35.59+0.06			6.6 GHz (II);	44.1	0.2	EVLA	0.08	+H2O +CH3OH I +CH3OH II	SFR		2009 Oct 16 and 18
60	18 57 45.9	+02 39 5.7	36.0128	-0.1973	G36.013-0.197	G36.02-0.20			6.6 GHz (II);	92.6	0.06	EVLA	0.08	-H2O -CH3OH I +CH3OH II	SFR		2010 Oct 16 and 18
61	18 58 39.2	+03 28 0.9	36.8395	-0.0224	G36.839-0.022	G36.84-0.02		Descr	6.6 GHz (II);	61.7	2.1	EVLA	0.08	+H2O -CH3OH I +CH3OH II	SFR		2011 Oct 16 and 18
62	18 59 51.6	+03 55 18	37.3815	-0.0822	G37.382-0.082	G37.38-0.09			6.6 GHz (II);	70.7	0.06	EVLA	0.08	-H2O +CH3OH I +CH3OH II	SFR		2012 Oct 16 and 18
63	18 59 10	+04 12 15.5	37.5539	0.2008	G37.554+0.201	G37.55+0.19		Descr	6.6 GHz (II);	83.7	4.5	EVLA	0.08	+H2O +CH3OH I +CH3OH II +OH	SFR		2013 Oct 16 and 18
64	19 00 36.8	+04 13 20	37.7348	-0.1120	G37.735-0.112	G37.74-0.12			6.6 GHz (II);	50.3	0.89	EVLA	0.08	+H2O -CH3OH I +CH3OH II +OH	SFR		2014 Oct 16 and 18
65	19 00 55.4	+04 12 12.6	37.7535	-0.1893	G37.763-0.214	G37.76-0.19		Descr	6.6 GHz (II);	54.6	2.1	EVLA	0.08	+H2O +CH3OH I +CH3OH II	SFR		2015 Oct 16 and 18
66	19 01 2.3	+04 12 16.6	37.7675	-0.2141	G37.763-0.214	G37.77-0.22		Descr	6.6 GHz (II);	69.6	0.49	EVLA	0.08	+H2O +CH3OH I +CH3OH II	SFR		2016 Oct 16 and 18
67	19 01 47.3	+04 27 20.9	38.0765	-0.2655	G38.076-0.266	G38.08-0.27			6.6 GHz (II);	67.6	0.54	EVLA	0.08	-H2O -CH3OH I +CH3OH II +OH	SFR		2017 Oct 16 and 18
68	19 01 26.2	+04 42 17.3	38.2578	-0.0737	G38.258-0.074	G38.26-0.08		Descr	6.6 GHz (II);	15.4	8.1	EVLA	0.08	+H2O -CH3OH I +CH3OH II	SFR		2018 Oct 16 and 18
69	19 01 53	+04 38 39.5	38.2548	-0.2001	G38.255-0.200	G38.26-0.20			6.6 GHz (II);	70.2	0.58	EVLA	0.08	-H2O -CH3OH I +CH3OH II	SFR		2019 Oct 16 and 18
70	19 01 8.3	+05 04 36.7	38.5546	0.1626	G38.555+0.163	G38.56+0.15			6.6 GHz (II);	31.5	0.44	EVLA	0.08	+H2O -CH3OH I +CH3OH II	SFR		2020 Oct 16 and 18
71	19 02 33.5	+04 56 36.4	38.5977	-0.2126	G38.598-0.213	G38.60-0.21			6.6 GHz (II);	62.5	0.26	EVLA	0.08	+H2O -CH3OH I +CH3OH II	SFR		2021 Oct 16 and 18
72	19 06 49	+07 11 6.6	41.0754	-0.1247	G41.075-0.125	G41.08-0.13			6.6 GHz (II);	57.6	0.17	EVLA	0.08	+H2O -CH3OH I +CH3OH II	SFR		2022 Oct 16 and 18
73	19 06 50.2	+07 14 1.5	41.1208	-0.1068	G41.121-0.107	G41.12-0.11			6.6 GHz (II);	36.5	0.43	EVLA	0.08	+H2O -CH3OH I +CH3OH II -OH	SFR		2023 Oct 16 and 18
74	19 07 14.4	+07 13 18.1	41.1560	-0.2009	G41.156-0.201	G41.16-0.20			6.6 GHz (II);	56	1.3	EVLA	0.08	-H2O -CH3OH I +CH3OH II	SFR		2024 Oct 16 and 18
75	19 05 23.6	+07 35 5.2	41.2681	0.3725	G41.268+0.372	G41.27+0.37			6.6 GHz (II);	20.4	0.22	EVLA	0.08	-H2O -CH3OH I +CH3OH II	SFR		2025 Oct 16 and 18
76	19 07 9.2	+07 42 25.2	41.5770	0.0414	G41.577+0.041	G41.58+0.04			6.6 GHz (II);	12	0.38	EVLA	0.08	-H2O -CH3OH I +CH3OH II	SFR		2026 Oct 16 and 18
77	19 12 15.8	+10 07 53.5	44.3104	0.0407	G44.310+0.041	G44.31+0.04		Descr	6.6 GHz (II);	55.7	0.54	EVLA	0.08	+H2O +CH3OH I +CH3OH II +OH	SFR		2027 Oct 16 and 18
78	19 14 53.8	+10 10 7.7	44.6440	-0.5159	G44.644-0.516	G44.64-0.52			6.6 GHz (II);	49.5	0.81	EVLA	0.08	-H2O -CH3OH I +CH3OH II			2028 Oct 16 and 18
79	19 15 13.2	+11 10 16.5	45.5684	-0.1200	G45.568-0.120	G45.57-0.12			6.6 GHz (II);	1.5	0.22	EVLA	0.08	+H2O -CH3OH I +CH3OH II	SFR		2029 Oct 16 and 18
80	19 14 56.1	+11 46 13	46.0662	0.2203	G46.066+0.220	G46.07+0.22			6.6 GHz (II);	23.6	0.81	EVLA	0.08	-H2O -CH3OH I +CH3OH II	SFR		2030 Oct 16 and 18
81	19 23 52.8	+14 38 3.2	49.6166	-0.3602	G49.617-0.360	G49.62-0.36			6.6 GHz (II);	50.2	0.16	EVLA	0.08	-H2O -CH3OH I +CH3OH II	SFR		2031 Oct 16 and 18
82	19 28 55.5	+17 52 3.1	53.0365	0.1128	G53.036+0.113	G53.04+0.11		Descr	6.6 GHz (II);	10.1	1.6	EVLA	0.08	+H2O +CH3OH I +CH3OH II	SFR		2032 Oct 16 and 18

×

Original color diagram is taken form van der Veen & Habing (1987)

Longitude-Velocity Map is taken form Dame, Hartmann & Thaddeus (2001)

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DSS colored 2MASS colored WISE colored SDSS color IRAC color I1,I2,I4 GLIMPSE 360 PACS color (70-160 um) SPIRE color (250-500 um) NVSS (1.4GHz) ATLASGAL 870 um ATLASGAL 870 um + Planck Bolocam 1.1 mm UKIDSS K Download UKIDSS K FITS 2MASS K Download 2MASS K FITS