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MCC18C - The relationship between Class I and Class II methanol masers at high angular resolution

Interferometry data

Short title: McCarthy et el. (2018c)
Authors: McCarthy, T. P. Ellingsen, S. P. Voronkov, M. A. Cimò, G.
Journal: Monthly Notices of the Royal Astronomical Society, Volume 477, Issue 1, p.507-524
Bibcode:
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Target type: Class_I(95),Class_II(6)
Transitions: CH3OH_36(I),CH3OH_84(I),CH3OH_95(I)

Abstract
We have used the Australia Telescope Compact Array (ATCA) to make the first high-resolution observations of a large sample of class I methanol masers in the 95-GHz (8₀-7₁A⁺) transition. The target sources consist of a statistically complete sample of 6.7-GHz class II methanol masers with an associated 95-GHz class I methanol maser, enabling a detailed study of the relationship between the two methanol maser classes at arcsecond angular resolution. These sources have been previously observed at high resolution in the 36- and 44-GHz transitions, allowing comparison between all three class I maser transitions. In total, 172 95-GHz maser components were detected across the 32 target sources. We find that at high resolution, when considering matched maser components, a 3:1 flux density ratio is observed between the 95- and 44-GHz components, consistent with a number of previous lower angular resolution studies. The 95-GHz maser components appear to be preferentially located closer to the driving sources and this may indicate that this transition is more strongly inverted nearby to background continuum sources. We do not observe an elevated association rate between 95-GHz maser emission and more evolved sources, as indicated by the presence of 12.2-GHz class II masers. We find that in the majority of cases where both class I and class II methanol emission is observed, some component of the class I emission is associated with a likely outflow candidate. eprintid: arXiv:1803.01962

Abstract

We have used the Australia Telescope Compact Array (ATCA) to make the first high-resolution observations of a large sample of class I methanol masers in the 95-GHz (8₀-7₁A⁺) transition. The target sources consist of a statistically complete sample of 6.7-GHz class II methanol masers with an associated 95-GHz class I methanol maser, enabling a detailed study of the relationship between the two methanol maser classes at arcsecond angular resolution. These sources have been previously observed at high resolution in the 36- and 44-GHz transitions, allowing comparison between all three class I maser transitions. In total, 172 95-GHz maser components were detected across the 32 target sources. We find that at high resolution, when considering matched maser components, a 3:1 flux density ratio is observed between the 95- and 44-GHz components, consistent with a number of previous lower angular resolution studies. The 95-GHz maser components appear to be preferentially located closer to the driving sources and this may indicate that this transition is more strongly inverted nearby to background continuum sources. We do not observe an elevated association rate between 95-GHz maser emission and more evolved sources, as indicated by the presence of 12.2-GHz class II masers. We find that in the majority of cases where both class I and class II methanol emission is observed, some component of the class I emission is associated with a likely outflow candidate. eprintid:

Input tables: Tables 2, 3
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Detection table from McCarthy et el. (2018c)

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ID	Obs. RA	Obs. Dec	RA offset	Dec offset	l	b	Group id	#	Source name	Image	Descr.	Line	V_peak	F_peak	Telescope	RMS	Beam	Detection	Class	Dist. (parallax)	Date
	(J2000)	(J2000)	(mas)	(mas)	(deg.)	(deg.)						CH₃OH (class I)	(km/s)	(Jy)		(Jy/beam)	(arcsec)	Yes/No		(kpc)
1	15 43 16.6	-54 07 12.7			326.475007	0.703136	G326.475+0.703		G 326.48+0.70	Image	Descr	95 GHz (I);	-37.7 .. -47.0	0.31 .. 14.62	ATCA	4.500	6 x 5	+H₂O +CH₃OH I +CH₃OH II	SFR		2004 September 24 and 26
	+15 43 16.67	-54 07 16.9	1048.8 mas	-4201.6 mas	326.474435	0.702105		1	G 326.48+0.70 A				-47.0	0.31
	+15 43 16.38	-54 07 16.6	-3301.2 mas	-3901.6 mas	326.473923	0.702601		2	G 326.48+0.70 B				-46.3	0.33
	+15 43 16.49	-54 07 14.5	-1651.2 mas	-1801.6 mas	326.474490	0.702902		3	G 326.48+0.70 C				-45.2	0.85
	+15 43 16.46	-54 07 14.3	-2101.2 mas	-1601.6 mas	326.474466	0.702990		4	G 326.48+0.70 D				-44.0	6.04
	+15 43 16.37	-54 07 15.1	-3451.2 mas	-2401.6 mas	326.474156	0.702947		5	G 326.48+0.70 E				-41.7	8.18
	+15 43 16.15	-54 07 16.7	-6751.2 mas	-4001.6 mas	326.473460	0.702920		6	G 326.48+0.70 F				-40.5	14.62
	+15 43 16.22	-54 07 16.1	-5701.2 mas	-3401.6 mas	326.473697	0.702948		7	G 326.48+0.70 G				-37.7	1.96
	+15 43 15.98	-54 07 12.9	-9301.2 mas	-201.6 mas	326.473770	0.704011		8	G 326.48+0.70 H				-39.5	3.56
	+15 43 15.84	-54 07 11.3	-11401.2 mas	1398.4 mas	326.473767	0.704571		9	G 326.48+0.70 I				-39.3	4.31
2	15 44 32.9	-54 05 28.6			326.640542	0.612694	G326.641+0.606		G 326.64+0.61		Descr	95 GHz (I);	-37.3 .. -43.0	0.5 .. 6.45	ATCA	2.000	6 x 5	+CH₃OH I +CH₃OH II -OH	SFR_MIXED		2004 September 24 and 26
	+15 44 33.6	-54 05 20.9	10501.2 mas	7700.8 mas	326.643203	0.613345		1	G 326.64+0.61 A				-43.0	0.50
	+15 44 33.6	-54 05 23	10501.2 mas	5600.8 mas	326.642847	0.612882		2	G 326.64+0.61 B				-37.3	1.57
	+15 44 32.96	-54 05 31	901.2 mas	-2399.2 mas	326.640251	0.612076		3	G 326.64+0.61 C				-41.0	0.99
	+15 44 32.72	-54 05 33.2	-2698.8 mas	-4599.2 mas	326.639414	0.611950		4	G 326.64+0.61 D				-40.8	1.27
	+15 44 32.95	-54 05 30.8	751.2 mas	-2199.2 mas	326.640266	0.612135		5	G 326.64+0.61 E				-40.0	3.17
	+15 44 32.85	-54 05 32.3	-748.8 mas	-3699.2 mas	326.639818	0.611954		6	G 326.64+0.61 F				-38.2	6.45
3	15 51 14.2	-54 58 4.9			326.859059	-0.676575	G326.859-0.676		G 326.86-0.67		Descr	95 GHz (I);	-65.5 .. -68.8	0.53 .. 8.31	ATCA	1.500	6 x 5	+H₂O +CH₃OH I +CH₃OH II	SFR		2004 September 24 and 26
	+15 51 13.84	-54 58 4.7	-5401.2 mas	200.8 mas	326.858424	-0.675990		1	G 326.86-0.67 A				-67.3	3.22
	+15 51 13.73	-54 58 05	-7051.2 mas	-99.2 mas	326.858167	-0.675889		2	G 326.86-0.67 B				-66.7	8.31
	+15 51 13.76	-54 58 5.1	-6601.2 mas	-199.2 mas	326.858206	-0.675956		3	G 326.86-0.67 C				-66.0	5.79
	+15 51 13.91	-54 58 5.2	-4351.2 mas	-299.2 mas	326.858467	-0.676203		4	G 326.86-0.67 D				-65.5	1.44
	+15 51 14.11	-54 58 3.8	-1351.2 mas	1100.8 mas	326.859084	-0.676202		5	G 326.86-0.67 E				-68.8	0.53
	+15 51 14.05	-54 58 3.9	-2251.2 mas	1000.8 mas	326.858955	-0.676133		6	G 326.86-0.67 F				-67.8	2.04
4	15 50 18.5	-53 57 6.4			327.391726	0.199345	G327.392+0.199		G 327.39+0.19		Descr	95 GHz (I);	-86.5 .. -88.8	0.57 .. 3.3	ATCA	2.100	6 x 5	+H₂O +CH₃OH I +CH₃OH II	SFR		2004 September 24 and 26
	+15 50 18.53	-53 57 6.3	451.2 mas	100.8 mas	327.391801	0.199321		1	G 327.39+0.19 A				-88.8	3.30
	+15 50 18.32	-53 57 7.8	-2698.8 mas	-1399.2 mas	327.391138	0.199319		2	G 327.39+0.19 B				-87.3	1.96
	+15 50 18.13	-53 57 7.4	-5548.8 mas	-999.2 mas	327.390845	0.199697		3	G 327.39+0.19 C				-86.5	0.57
5	15 52 50.2	-54 03 0.7			327.61837	-0.111049	G327.618-0.111		G 327.62-0.11		Descr	95 GHz (I);	-86.8 .. -88.0	0.88 .. 6.78	ATCA	1.900	6 x 5	+H₂O +CH₃OH I +CH₃OH II	EVOLVED		2004 September 24 and 26
	+15 52 50.2	-54 03 0.9	-1.2 mas	-201.6 mas	327.618335	-0.111092		1	G 327.62-0.11 A				-88.0	6.78
	+15 52 50.31	-54 03 5.5	1648.8 mas	-4801.6 mas	327.617734	-0.112252		2	G 327.62-0.11 B				-86.8	0.88
6	15 57 58.4	-53 59 23.1			328.236689	-0.547548	G328.237-0.547		G 328.24-0.54		Descr	95 GHz (I);	-37.7 .. -44.0	0.42 .. 7.55	ATCA	1.700	6 x 5	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2004 September 24 and 26
	+15 57 58.38	-53 59 22.9	-298.8 mas	200 mas	328.236688	-0.547474		1	G 328.24-0.54 A				-42.3	0.99
	+15 57 58.34	-53 59 20.3	-898.8 mas	2800 mas	328.237080	-0.546860		2	G 328.24-0.54 B				-41.7	1.12
	+15 57 58.27	-53 59 17.7	-1948.8 mas	5400 mas	328.237417	-0.546199		3	G 328.24-0.54 C				-40.8	7.55
	+15 57 58.39	-53 59 20.5	-148.8 mas	2600 mas	328.237138	-0.546982		4	G 328.24-0.54 D				-40.0	0.42
	+15 57 58.55	-53 59 19.5	2251.2 mas	3600 mas	328.237616	-0.547024		5	G 328.24-0.54 E				-39.3	0.54
	+15 57 58.66	-53 59 19.8	3901.2 mas	3300 mas	328.237768	-0.547261		6	G 328.24-0.54 F				-37.7	0.42
	+15 57 58.46	-53 59 31.3	901.2 mas	-8200 mas	328.235327	-0.549380		7	G 328.24-0.54 G				-44.0	0.49
	+15 57 58.28	-53 59 31.3	-1798.8 mas	-8200 mas	328.234991	-0.549095		8	G 328.24-0.54 H				-43.2	1.86
7	15 57 59.8	-53 58 0.9			328.25408	-0.532359	G328.237-0.547		G 328.25-0.53		Descr	95 GHz (I);	-41.7 .. -44.0	0.47 .. 1.67	ATCA	2.300	6 x 5	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2004 September 24 and 26
	+15 57 59.93	-53 57 57.4	1948.8 mas	3501.2 mas	328.254952	-0.531824		1	G 328.25-0.53 A				-44.0	0.53
	+15 57 59.82	-53 58 1.5	298.8 mas	-598.8 mas	328.254010	-0.532518		2	G 328.25-0.53 B				-43.5	0.47
	+15 57 59.81	-53 58 0.5	148.8 mas	401.2 mas	328.254171	-0.532290		3	G 328.25-0.53 C				-41.7	1.67
8	15 55 48.6	-52 43 6.2			328.808691	0.632859	G328.809+0.633		G 328.81+0.63		Descr	95 GHz (I);	-38.0 .. -44.7	0.5 .. 14.89	ATCA	4.700	6 x 5	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2004 September 24 and 26
	+15 55 50.23	-52 43 21.7	24450 mas	-15499.6 mas	328.809086	0.626917		1	G 328.81+0.63 A				-42.0	4.72
	+15 55 49.15	-52 43 23.6	8250 mas	-17399.6 mas	328.806656	0.628260		2	G 328.81+0.63 B				-42.5	3.66
	+15 55 48.25	-52 43 19.8	-5250 mas	-13599.6 mas	328.805590	0.630526		3	G 328.81+0.63 C				-41.0	2.46
	+15 55 48.49	-52 43 19.5	-1650 mas	-13299.6 mas	328.806109	0.630202		4	G 328.81+0.63 D				-40.3	14.89
	+15 55 48.48	-52 43 6.5	-1800 mas	-299.6 mas	328.808405	0.632989		5	G 328.81+0.63 E				-44.7	1.22
	+15 55 48.53	-52 43 5.8	-1050 mas	400.4 mas	328.808626	0.633057		6	G 328.81+0.63 F				-43.5	1.66
	+15 55 48.84	-52 43 7.1	3600 mas	-899.6 mas	328.808995	0.632278		7	G 328.81+0.63 G				-38.0	0.50
9	16 00 31.8	-53 12 49.7			329.029477	-0.204849	G329.031-0.200		G 329.03-0.20		Descr	95 GHz (I);	-37.5 .. -46.5	1.4 .. 18.87	ATCA	2.500	6 x 5	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2004 September 24 and 26
	+16 00 30.33	-53 12 28.7	-22050 mas	21001.6 mas	329.030515	-0.198037		1	G 329.03-0.20 A				-46.5	1.65
	+16 00 31.98	-53 12 45.7	2700 mas	4001.6 mas	329.030543	-0.204302		2	G 329.03-0.20 B				-43.2	18.87
	+16 00 31.84	-53 12 47.2	600 mas	2501.6 mas	329.030006	-0.204389		3	G 329.03-0.20 C				-42.0	9.09
	+16 00 31.9	-53 12 55.8	1500 mas	-6098.4 mas	329.028558	-0.206295		4	G 329.03-0.20 D				-41.2	3.67
	+16 00 31.76	-53 12 51.5	-600 mas	-1798.4 mas	329.029074	-0.205163		5	G 329.03-0.20 E				-40.5	3.12
	+16 00 31.81	-53 12 52.6	150 mas	-2898.4 mas	329.028969	-0.205475		6	G 329.03-0.20 F				-39.7	3.13
	+16 00 32.05	-53 12 53.7	3750 mas	-3998.4 mas	329.029222	-0.206098		7	G 329.03-0.20 G				-38.2	1.40
	+16 00 32.01	-53 12 54.7	3150 mas	-4998.4 mas	329.028965	-0.206243		8	G 329.03-0.20 H				-37.5	4.15
10	16 00 30.3	-53 12 27.3			329.030712	-0.197694	G329.031-0.200		G 329.03-0.19			95 GHz (I);	-44.2 .. -46.5	0.67 .. 16.06	ATCA	1.500	6 x 5	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2004 September 24 and 26
	+16 00 30.29	-53 12 28.6	-150 mas	-1301.2 mas	329.030457	-0.197951		1	G 329.03-0.19 A				-46.5	16.06
	+16 00 30.06	-53 12 26	-3600 mas	1298.8 mas	329.030495	-0.197029		2	G 329.03-0.19 B				-44.7	1.09
	+16 00 30.45	-53 12 13.5	2250 mas	13798.8 mas	329.033502	-0.195038		3	G 329.03-0.19 C				-45.5	2.99
	+16 00 30.46	-53 12 19.6	2400 mas	7698.8 mas	329.032413	-0.196337		4	G 329.03-0.19 D				-44.2	0.67
11	16 01 9.9	-53 16 2.7			329.066202	-0.307569	G329.066-0.308		G 329.07-0.30		Descr	95 GHz (I);	-40.2 .. -41.7	0.37 .. 2.87	ATCA	1.500	6 x 5	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2004 September 24 and 26
	+16 01 8.95	-53 16 7.8	-14250 mas	-5098.8 mas	329.063485	-0.307088		1	G 329.07-0.30 A				-41.7	2.87
	+16 01 9.33	-53 16 3.5	-8550 mas	-798.8 mas	329.064983	-0.306806		2	G 329.07-0.30 B				-40.5	0.37
	+16 01 9.18	-53 16 7.7	-10800 mas	-4998.8 mas	329.063936	-0.307442		3	G 329.07-0.30 C				-40.2	0.37
12	16 01 47	-53 11 44.2			329.183144	-0.314116	G329.183-0.314		G 329.18-0.31		Descr	95 GHz (I);	- 46.2 .. -50.2	0.39 .. 2.54	ATCA	1.800	6 x 5	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2004 September 24 and 26
	+16 01 46.7	-53 11 49.2	-4498.8 mas	-5000.4 mas	329.181667	-0.314671		1	G 329.18-0.31 A				- 49.2	0.56
	+16 01 47.26	-53 11 43.8	3901.2 mas	399.6 mas	329.183706	-0.314459		2	G 329.18-0.31 B				-50.2	0.70
	+16 01 47.15	-53 11 42.1	2251.2 mas	2099.6 mas	329.183810	-0.313922		3	G 329.18-0.31 C				- 48.5	0.56
	+16 01 47.33	-53 11 42.3	4951.2 mas	1899.6 mas	329.184112	-0.314259		4	G 329.18-0.31 D				- 47.2	2.54
	+16 01 47.17	-53 11 42	2551.2 mas	2199.6 mas	329.183866	-0.313934		5	G 329.18-0.31 E				- 46.2	0.39
13	15 59 40.7	-52 23 27.7			329.468953	0.502537	G329.469+0.503		G 329.47+0.50		Descr	95 GHz (I);	- 66.2 .. - 69.0	0.36 .. 2.64	ATCA	1.400	6 x 5	+H₂O +CH₃OH I +CH₃OH II	SFR		2004 September 24 and 26
	+15 59 40.15	-52 23 35.7	-8248.8 mas	-7999.2 mas	329.466444	0.501762		1	G 329.47+0.50 A				- 66.2	2.64
	+15 59 40.66	-52 23 27.5	-598.8 mas	200.8 mas	329.468912	0.502645		2	G 329.47+0.50 B				- 69.0	0.53
	+15 59 40.74	-52 23 29.3	601.2 mas	-1599.2 mas	329.468740	0.502133		3	G 329.47+0.50 C				- 68.8	0.53
	+15 59 40.69	-52 23 28.4	-148.8 mas	-699.2 mas	329.468807	0.502406		4	G 329.47+0.50 D				- 67.3	0.36
	+15 59 40.91	-52 23 30.4	3151.2 mas	-2699.2 mas	329.468869	0.501620		5	G 329.47+0.50 E				- 68.2	0.78
14	16 10 59.7	-51 50 22.7			331.13171	-0.243837	G331.132-0.244		G 331.13-0.24		Descr	95 GHz (I);	-80.3 .. -90.8	0.71 .. 35.43	ATCA	1.700	6 x 5	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2004 September 24 and 26
	+16 10 59.59	-51 50 25.7	-1650 mas	-2999.6 mas	331.130935	-0.244254		1	G 331.13-0.24 A				-90.8	35.43
	+16 10 59.74	-51 50 24.5	600 mas	-1799.6 mas	331.131445	-0.244273		2	G 331.13-0.24 B				- 86.8	4.18
	+16 10 59.69	-51 50 23.7	-150 mas	-999.6 mas	331.131502	-0.244023		3	G 331.13-0.24 C				-85.8	4.35
	+16 10 59.73	-51 50 24.3	450 mas	-1599.6 mas	331.131464	-0.244215		4	G 331.13-0.24 D				- 84.8	3.28
	+16 10 59.9	-51 50 25.6	3000 mas	-2899.6 mas	331.131539	-0.244777		5	G 331.13-0.24 E				- 82.5	2.67
	+16 11 00	-51 50 26.7	4500 mas	-3999.6 mas	331.131520	-0.245176		6	G 331.13-0.24 F				-80.3	0.71
	+16 11 0.74	-51 50 23.9	15600 mas	-1199.6 mas	331.133445	-0.245903		7	G 331.13-0.24 G				- 88.3	10.42
	+16 11 0.25	-51 50 25.9	8250 mas	-3199.6 mas	331.132142	-0.245452		8	G 331.13-0.24 H				- 84.0	5.08
15	16 12 26.5	-51 46 16.9			331.341763	-0.346555	G331.342-0.346		G 331.34-0.34		Descr	95 GHz (I);	-65.2 .. - 66.5	0.6 .. 15.17	ATCA	2.200	6 x 5	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2004 September 24 and 26
	+16 12 26.41	-51 46 18.9	-1351.2 mas	-2000.4 mas	331.341214	-0.346801		1	G 331.34-0.34 A				- 66.5	0.60
	+16 12 26.5	-51 46 20.6	-1.2 mas	-3700.4 mas	331.341060	-0.347304		2	G 331.34-0.34 B				-65.2	15.17
16	16 12 12.5	-51 35 10.3			331.44203	-0.186737	G331.442-0.187		G 331.44-0.18		Descr	95 GHz (I);	-85.5 .. - 91.3	0.28 .. 5.05	ATCA	2.000	6 x 5	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2004 September 24 and 26
	+16 12 12.28	-51 35 13.3	-3298.8 mas	-3001.6 mas	331.441044	-0.186955		1	G 331.44-0.18 A				- 91.3	5.05
	+16 12 12.23	-51 35 13	-4048.8 mas	-2701.6 mas	331.441007	-0.186806		2	G 331.44-0.18 B				- 89.5	1.02
	+16 12 11.41	-51 35 18.3	-16348.8 mas	-8001.6 mas	331.438451	-0.186429		3	G 331.44-0.18 C				- 87.3	1.99
	+16 12 12.32	-51 35 10.8	-2698.8 mas	-501.6 mas	331.441595	-0.186520		4	G 331.44-0.18 D				-90.5	0.28
	+16 12 12.35	-51 35 12.3	-2248.8 mas	-2001.6 mas	331.441367	-0.186877		5	G 331.44-0.18 E				-90.3	0.91
	+16 12 12.33	-51 35 11	-2548.8 mas	-701.6 mas	331.441576	-0.186578		6	G 331.44-0.18 F				- 89.0	0.75
	+16 12 12.44	-51 35 9.6	-898.8 mas	698.4 mas	331.442049	-0.186489		7	G 331.44-0.18 G				- 88.5	0.52
	+16 12 12.57	-51 35 8.5	1051.2 mas	1798.4 mas	331.442504	-0.186496		8	G 331.44-0.18 H				- 87.5	3.21
	+16 12 12.55	-51 35 8.6	751.2 mas	1698.4 mas	331.442447	-0.186481		9	G 331.44-0.18 I				- 86.5	0.83
	+16 12 12.39	-51 35 7.4	-1648.8 mas	2898.4 mas	331.442373	-0.185954		10	G 331.44-0.18 J				- 86.0	0.44
	+16 12 12.51	-51 35 9.2	151.2 mas	1098.4 mas	331.442258	-0.186531		11	G 331.44-0.18 K				-85.5	0.42
17	16 15 45.4	-50 55 53.9			332.295234	-0.093752	G332.295-0.094		G 332.30-0.09		Descr	95 GHz (I);	-45.5 .. - 52.2	0.31 .. 19.11	ATCA	1.600	6 x 5	+H₂O +CH₃OH I +CH₃OH II	GALAXY		2004 September 24 and 26
	+16 15 45.3	-50 55 54.9	-1501.2 mas	-999.6 mas	332.294852	-0.093770		1	G 332.30-0.09 A				- 52.2	0.31
	+16 15 45.72	-50 55 55	4798.8 mas	-1099.6 mas	332.295629	-0.094554		2	G 332.30-0.09 B				- 51.7	0.64
	+16 15 45.86	-50 55 55.2	6898.8 mas	-1299.6 mas	332.295855	-0.094849		3	G 332.30-0.09 C				-50.5	5.71
	+16 15 45.78	-50 55 55.3	5698.8 mas	-1399.6 mas	332.295685	-0.094723		4	G 332.30-0.09 D				- 49.2	19.11
	+16 15 45.65	-50 55 55.8	3748.8 mas	-1899.6 mas	332.295342	-0.094587		5	G 332.30-0.09 E				- 48.0	7.21
	+16 15 45.45	-50 55 55.7	748.8 mas	-1799.6 mas	332.294983	-0.094203		6	G 332.30-0.09 F				- 47.2	1.23
	+16 15 45.29	-50 55 56.3	-1651.2 mas	-2399.6 mas	332.294564	-0.094033		7	G 332.30-0.09 G				- 47.0	1.16
	+16 15 45.45	-50 55 54.3	748.8 mas	-399.6 mas	332.295252	-0.093923		8	G 332.30-0.09 H				- 46.5	0.77
	+16 15 44.21	-50 55 56.6	-17851.2 mas	-2699.6 mas	332.292460	-0.092129		9	G 332.30-0.09 I				-45.5	1.50
18	16 17 29.3	-50 46 12.5			332.604042	-0.167389	G332.604-0.167		G 332.60-0.16		Descr	95 GHz (I);	-45.5 .. - 46.2	0.7 .. 8.52	ATCA	1.800	6 x 5	+H₂O +CH₃OH I +CH₃OH II	SFR_MIXED		2004 September 24 and 26
	+16 17 29.27	-50 46 14.6	-448.8 mas	-2099.6 mas	332.603579	-0.167753		1	G 332.60-0.16 A				- 46.2	0.70
	+16 17 29.22	-50 46 12.8	-1198.8 mas	-299.6 mas	332.603833	-0.167302		2	G 332.60-0.16 B				-45.5	8.52
19	16 21 19	-50 54 10.4			332.941866	-0.685883	G332.963-0.679		G 332.94-0.68		Descr	95 GHz (I);	- 46.7 .. -50.0	1.01 .. 4.34	ATCA	2.600	6 x 5	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2004 September 24 and 26
	+16 21 19.32	-50 54 13.7	4798.8 mas	-3299.6 mas	332.941815	-0.687126		1	G 332.94-0.68 A				-50.0	1.52
	+16 21 19.44	-50 54 13	6598.8 mas	-2599.6 mas	332.942176	-0.687211		2	G 332.94-0.68 B				- 48.2	4.34
	+16 21 19.32	-50 54 13.8	4798.8 mas	-3399.6 mas	332.941795	-0.687146		3	G 332.94-0.68 C				- 46.7	1.01
20	16 21 22.9	-50 52 58.7			332.963188	-0.679012	G332.963-0.679		G 332.96-0.67		Descr	95 GHz (I);	- 46.7 .. -50.7	0.42 .. 11.13	ATCA	1.700	6 x 5	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2004 September 24 and 26
	+16 21 22.93	-50 52 56.7	448.8 mas	1999.2 mas	332.963636	-0.678674		1	G 332.96-0.67 A				-50.7	0.42
	+16 21 22.71	-50 52 55.7	-2851.2 mas	2999.2 mas	332.963422	-0.678069		2	G 332.96-0.67 B				-50.2	0.76
	+16 21 22.84	-50 52 57.5	-901.2 mas	1199.2 mas	332.963311	-0.678665		3	G 332.96-0.67 C				-50.0	0.49
	+16 21 22.88	-50 52 58.7	-301.2 mas	-0.8 mas	332.963150	-0.678975		4	G 332.96-0.67 D				- 48.7	0.71
	+16 21 22.84	-50 52 56.9	-901.2 mas	1799.2 mas	332.963429	-0.678547		5	G 332.96-0.67 E				- 48.2	2.06
	+16 21 22.76	-50 52 56.7	-2101.2 mas	1999.2 mas	332.963319	-0.678359		6	G 332.96-0.67 F				- 46.7	11.13
21	16 18 56.7	-50 23 54.2			333.02916	-0.062808	G333.029-0.063		G 333.03-0.06		Descr	95 GHz (I);	-40.3 .. - 41.7	1.17 .. 4.27	ATCA	1.700	6 x 5	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2004 September 24 and 26
	+16 18 56.64	-50 23 53.4	-900 mas	800.4 mas	333.029202	-0.062537		1	G 333.03-0.06 A				- 41.7	1.17
	+16 18 56.77	-50 23 54.9	1050 mas	-699.6 mas	333.029157	-0.063077		2	G 333.03-0.06 B				-40.3	4.27
22	16 20 49	-50 38 40.7			333.067955	-0.447043	G333.068-0.447		G 333.07-0.44		Descr	95 GHz (I);	- 51.2 .. - 53.7	0.47 .. 2.75	ATCA	1.800	6 x 5	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2004 September 24 and 26
	+16 20 48.83	-50 38 40.2	-2551.2 mas	500.4 mas	333.067735	-0.446628		1	G 333.07-0.44 A				- 53.7	0.47
	+16 20 48.64	-50 38 39.1	-5401.2 mas	1600.4 mas	333.067594	-0.446057		2	G 333.07-0.44 B				- 51.2	2.75
23	16 20 59.7	-50 35 52.3			333.120993	-0.433797	G333.128-0.432		G 333.12-0.43			95 GHz (I);	-45.3 .. -58.0	0.32 .. 9.31	ATCA	2.200	6 x 5	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2004 September 24 and 26
	+16 20 59.75	-50 35 51.3	750 mas	999.6 mas	333.121282	-0.433693		1	G 333.12-0.43 A				-58.0	0.32
	+16 20 59.71	-50 35 51.7	150 mas	599.6 mas	333.121129	-0.433697		2	G 333.12-0.43 B				- 56.3	0.49
	+16 20 59.73	-50 35 50.9	450 mas	1399.6 mas	333.121323	-0.433577		3	G 333.12-0.43 C				-55.0	1.43
	+16 20 59.49	-50 35 50.5	-3150 mas	1799.6 mas	333.120951	-0.433051		4	G 333.12-0.43 D				- 52.3	9.31
	+16 20 59.42	-50 35 49	-4200 mas	3299.6 mas	333.121114	-0.432625		5	G 333.12-0.43 E				- 50.2	8.10
	+16 20 59.63	-50 35 50.2	-1050 mas	2099.6 mas	333.121273	-0.433253		6	G 333.12-0.43 F				- 49.3	1.02
	+16 20 59.64	-50 35 51.5	-900 mas	799.6 mas	333.121037	-0.433528		7	G 333.12-0.43 G				-45.3	1.74
24	16 21 3.3	-50 35 49.8			333.128234	-0.440018	G333.128-0.432		G 333.13-0.44		Descr	95 GHz (I);	- 44.5 .. - 51.5	0.41 .. 19.87	ATCA	3.300	6 x 5	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2004 September 24 and 26
	+16 21 2.58	-50 35 54.5	-10800 mas	-4698.8 mas	333.125963	-0.439601		1	G 333.13-0.44 A				-48.7	18.44
	+16 21 2.18	-50 35 50.8	-16800 mas	-998.8 mas	333.125938	-0.438126		2	G 333.13-0.44 B				-48.0	18.85
	+16 21 2.41	-50 35 53	-13350 mas	-3198.8 mas	333.125938	-0.438989		3	G 333.13-0.44 C				- 47.7	17.54
	+16 21 2.63	-50 35 54	-10050 mas	-4198.8 mas	333.126155	-0.439596		4	G 333.13-0.44 D				- 47.0	19.87
	+16 21 2.35	-50 35 53.1	-14250 mas	-3298.8 mas	333.125806	-0.438896		5	G 333.13-0.44 E				- 46.2	10.64
	+16 21 2.39	-50 35 52.9	-13650 mas	-3098.8 mas	333.125920	-0.438932		6	G 333.13-0.44 F				- 44.5	0.49
	+16 21 3.32	-50 35 45.1	300 mas	4701.2 mas	333.129192	-0.439130		7	G 333.13-0.44 G				- 51.5	0.41
	+16 21 3.16	-50 35 45.9	-2100 mas	3901.2 mas	333.128736	-0.438989		8	G 333.13-0.44 H				- 50.7	1.91
	+16 21 3.73	-50 35 38.8	6450 mas	11001.2 mas	333.131195	-0.438654		9	G 333.13-0.44 I				- 49.7	12.21
	+16 21 3.18	-50 35 38.4	-1800 mas	11401.2 mas	333.130242	-0.437549		10	G 333.13-0.44 J				- 51.2	0.90
25	16 21 35.4	-50 40 57			333.128091	-0.560338	G333.130-0.560		G 333.13-0.56		Descr	95 GHz (I);	-54.0 .. - 59.5	1.13 .. 8.69	ATCA	1.700	6 x 5	+H₂O +CH₃OH I +CH₃OH II	SFR		2004 September 24 and 26
	+16 21 34.33	-50 41 6.8	-16050 mas	-9800 mas	333.124168	-0.560269		1	G 333.13-0.56 A				- 59.5	1.13
	+16 21 35.91	-50 40 49.1	7650 mas	7900 mas	333.130594	-0.559736		2	G 333.13-0.56 B				- 57.2	1.45
	+16 21 36.1	-50 40 48.7	10500 mas	8300 mas	333.131028	-0.560012		3	G 333.13-0.56 C				- 56.5	1.74
	+16 21 36.33	-50 40 48.3	13950 mas	8700 mas	333.131536	-0.560362		4	G 333.13-0.56 D				- 56.3	1.64
	+16 21 36.43	-50 40 47.4	15450 mas	9600 mas	333.131899	-0.560372		5	G 333.13-0.56 E				-55.3	4.65
	+16 21 36.08	-50 40 48.1	10200 mas	8900 mas	333.131108	-0.559856		6	G 333.13-0.56 F				-54.0	8.69
	+16 21 35.79	-50 40 55.1	5850 mas	1900 mas	333.129192	-0.560692		7	G 333.13-0.56 G				-58.8	7.51
26	16 19 42.7	-50 19 53.2			333.163279	-0.100783	G333.163-0.101		G 333.16-0.10		Descr	95 GHz (I);	- 91.0 .. - 92.0	0.93 .. 4.74	ATCA	1.700	6 x 5	+CH₃OH I +CH₃OH II	SFR		2004 September 24 and 26
	+16 19 42.12	-50 20 0.2	-8701.2 mas	-7001.6 mas	333.160815	-0.101085		1	G 333.16-0.10 A				- 92.0	0.93
	+16 19 42.71	-50 19 55.3	148.8 mas	-2101.6 mas	333.162888	-0.101217		2	G 333.16-0.10 B				- 91.0	4.74
27	16 19 45.6	-50 18 35			333.184023	-0.09073	G333.184-0.091		G 333.18-0.09		Descr	95 GHz (I);	-85.3 .. - 86.8	0.68 .. 3.25	ATCA	2.000	6 x 5	+CH₃OH I +CH₃OH II	SFR		2004 September 24 and 26
	+16 19 45.54	-50 18 32.4	-900 mas	2599.2 mas	333.184416	-0.090104		1	G 333.18-0.09 A				- 86.8	0.80
	+16 19 45.65	-50 18 33.6	750 mas	1399.2 mas	333.184391	-0.090546		2	G 333.18-0.09 B				- 86.3	3.25
	+16 19 45.96	-50 18 31.9	5400 mas	3099.2 mas	333.185310	-0.090789		3	G 333.18-0.09 C				-85.3	0.68
28	16 19 51.3	-50 15 14.1			333.234015	-0.061655	G333.234-0.060		G 333.23-0.06		Descr	95 GHz (I);	- 83.8 .. - 89.5	0.4 .. 35.57	ATCA	1.700	6 x 5	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2004 September 24 and 26
	+16 19 49.52	-50 15 14.1	-26700 mas	1.2 mas	333.230639	-0.058324		1	G 333.23-0.06 A				- 89.5	0.89
	+16 19 49.49	-50 15 14.3	-27150 mas	-198.8 mas	333.230543	-0.058308		2	G 333.23-0.06 B				- 86.8	35.57
	+16 19 51.41	-50 15 14.1	1650 mas	1.2 mas	333.234224	-0.061861		3	G 333.23-0.06 C				-85.0	4.90
	+16 19 51.28	-50 15 12.5	-300 mas	1601.2 mas	333.234289	-0.061301		4	G 333.23-0.06 D				- 83.8	0.40
29	16 19 29	-50 04 41.5			333.314973	0.105269	G333.315+0.105		G 333.32+0.10		Descr	95 GHz (I);	- 44.0 .. - 49.2	0.38 .. 3.78	ATCA	1.700	6 x 5	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2004 September 24 and 26
	+16 19 28.74	-50 04 38.7	-4050 mas	2798.4 mas	333.315004	0.106329		1	G 333.32+0.10 A				- 49.2	1.11
	+16 19 29.26	-50 04 43.6	3750 mas	-2101.6 mas	333.315040	0.104384		2	G 333.32+0.10 B				-45.5	0.38
	+16 19 28.85	-50 04 40.7	-2400 mas	798.4 mas	333.314824	0.105727		3	G 333.32+0.10 C				- 44.0	3.78
	+16 19 28.14	-50 04 38.7	-13050 mas	2798.4 mas	333.313861	0.107455		4	G 333.32+0.10 D				-48.0	0.86
	+16 19 28.34	-50 04 39.1	-10050 mas	2398.4 mas	333.314164	0.107000		5	G 333.32+0.10 E				- 47.2	0.56
	+16 19 27.98	-50 04 42.8	-15450 mas	-1301.6 mas	333.312757	0.106943		6	G 333.32+0.10 F				- 46.7	0.56
	+16 19 28.09	-50 04 37.4	-13800 mas	4098.4 mas	333.314019	0.107806		7	G 333.32+0.10 G				- 46.0	0.47
	+16 19 28.62	-50 04 53.5	-5850 mas	-12001.6 mas	333.311892	0.103624		8	G 333.32+0.10 H				- 44.7	0.73
30	16 21 20.2	-50 09 48.6			333.46602	-0.16436	G333.466-0.164		G 333.47-0.16		Descr	95 GHz (I);	- 40.5 .. -45.0	0.43 .. 5.38	ATCA	3.000	6 x 5	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2004 September 24 and 26
	+16 21 19.94	-50 09 42	-3901.2 mas	6600 mas	333.466822	-0.162572		1	G 333.47-0.16 A				-45.0	3.19
	+16 21 20.1	-50 09 38.1	-1501.2 mas	10500 mas	333.467889	-0.162106		2	G 333.47-0.16 B				- 41.0	2.13
	+16 21 20.55	-50 09 55.5	5248.8 mas	-6900 mas	333.465329	-0.166377		3	G 333.47-0.16 C				- 42.3	1.80
	+16 21 20.15	-50 09 46.7	-751.2 mas	1900 mas	333.466298	-0.163892		4	G 333.47-0.16 D				- 43.0	5.38
	+16 21 20.42	-50 09 48.8	3298.8 mas	-200 mas	333.466396	-0.164814		5	G 333.47-0.16 E				- 40.5	0.43
	+16 21 19.69	-50 09 33.7	-7651.2 mas	14900 mas	333.467977	-0.160467		6	G 333.47-0.16 F				- 42.5	1.42
31	16 21 8.8	-49 59 28.3			333.566	-0.020755	G333.562-0.025		G 333.56-0.02		Descr	95 GHz (I);	-38.2 .. - 40.8	0.73 .. 9.35	ATCA	2.300	6 x 5	+CH₃OH I +CH₃OH II +OH	UNK		2004 September 24 and 26
	+16 21 8.77	-49 59 49.5	-451.2 mas	-21201.6 mas	333.561789	-0.024873		1	G 333.56-0.02 A				- 40.8	0.81
	+16 21 8.74	-49 59 49.5	-901.2 mas	-21201.6 mas	333.561732	-0.024816		2	G 333.56-0.02 B				- 39.5	9.35
	+16 21 8.59	-49 59 47.8	-3151.2 mas	-19501.6 mas	333.561781	-0.024198		3	G 333.56-0.02 C				-38.2	0.73
32	16 29 23.1	-49 12 27.3			335.059442	-0.427396	G335.060-0.427		G 335.06-0.42		Descr	95 GHz (I);	- 37.0 .. - 41.7	0.31 .. 4.83	ATCA	1.800	6 x 5	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2004 September 24 and 26
	+16 29 23.5	-49 12 23.2	6000 mas	4098.8 mas	335.061017	-0.427400		1	G 335.06-0.42 A				- 41.7	1.13
	+16 29 23.46	-49 12 22.5	5400 mas	4798.8 mas	335.061083	-0.427187		2	G 335.06-0.42 B				- 41.2	0.57
	+16 29 23.42	-49 12 21	4800 mas	6298.8 mas	335.061310	-0.426821		3	G 335.06-0.42 C				- 40.5	3.70
	+16 29 22.98	-49 12 32.8	-1800 mas	-5501.2 mas	335.058110	-0.428213		4	G 335.06-0.42 D				- 39.7	0.31
	+16 29 22.8	-49 12 32.4	-4500 mas	-5101.2 mas	335.057852	-0.427781		5	G 335.06-0.42 E				-38.8	4.83
	+16 29 23.04	-49 12 32.1	-900 mas	-4801.2 mas	335.058363	-0.428197		6	G 335.06-0.42 F				- 37.7	3.25
	+16 29 23.07	-49 12 30.5	-450 mas	-3201.2 mas	335.058741	-0.427950		7	G 335.06-0.42 G				- 37.3	0.53
	+16 29 23.19	-49 12 29.4	1350 mas	-2101.2 mas	335.059188	-0.427976		8	G 335.06-0.42 H				- 37.0	0.47

DSS colored	2MASS colored	WISE colored
PACS color (70-160 um)	SPIRE color (250-500 um)	GLIMPSE 360
SDSS color	IRAC color I1,I2,I4	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

select MAX(met1_data_all.ra_hms) as ra_hms,MAX(met1_data_all.dec_dms) as dec_dms,MAX(met1_data_all.source_name) as source_name,MAX(met1_data_all.ra) as ra,MAX(met1_data_all.dec) as dec,MAX(met1_data_all.l) as l,MAX(met1_data_all.b) as b,MAX(met1_data_all.grp) as grp,MAX(met1_data_all.other_name) as other_name,MAX(met1_data_all.other_desc) as other_desc,BOOL_OR(thermal) as thermal,MAX(met1_data_all.line) as line,MAX(met1_data_all.vrange) as vrange,MAX(met1_data_all.vpeak) as vpeak,MAX(met1_data_all.peak) as peak,MAX(met1_data_all.fwhm) as fwhm,MAX(met1_data_all.int) as int,MAX(met1_data_all.rms) as rms,MAX(met1_data_all.units) as units,MAX(met1_data_all.units_rms) as units_rms,MAX(met1_data_all.date_txt) as date_txt,MAX(met1_data_all.telescope_ref) as telescope_ref,MAX(met1_data_all.telescope_conf) as telescope_conf,MAX(met1_data_all.v_step) as v_step,MAX(met1_data_all.beam) as beam,MAX(met1_data_all.beam_maj) as beam_maj,MAX(met1_data_all.beam_min) as beam_min,MAX(met1_data_all.beam_pa) as beam_pa,MAX(met1_data_all.ref) as ref,MAX(met1_data_all.list_ref) as list_ref,MAX(met1_data_all.ascii) as ascii,MAX(met1_data_all.url) as url,MAX(met1_data_all.image) as image,MAX(met1_data_all.image2) as image2,MAX(met1_data_all.image3) as image3,MAX(met1_data_all.descr) as descr,MAX(met1_data_all.id) as id,BOOL_OR(mjy_flag) as mjy_flag,BOOL_OR(rms_mjy_flag) as rms_mjy_flag,MAX(met1_data_all.dist) as dist,1 as dist_parallax,MAX(met1_data_all.date_txt) as date_txt,MAX(line_det) as line_det,MAX(type) as type,MAX(simbad_types_cat) as simbad_types_cat FROM met1_data_all  LEFT JOIN all_objects_withmet ON met1_data_all.grp=all_objects_withmet.group_name LEFT JOIN object_categories ON all_objects_withmet.group_name = object_categories.group_name_cat AND object_categories.tbl_cat = 'all_objects_withmet' LEFT JOIN transitions ON met1_data_all.line=transitions."Line"  WHERE ref ilike 'MCC18C' AND detected=true AND hide=false GROUP BY ref

select met1_data_all.ra_hms,met1_data_all.dec_dms,met1_data_all.source_name,met1_data_all.ra,met1_data_all.dec,met1_data_all.l,met1_data_all.b,met1_data_all.grp,met1_data_all.other_name,met1_data_all.other_desc,met1_data_all.thermal,met1_data_all.line,met1_data_all.vrange,met1_data_all.vpeak,met1_data_all.peak,met1_data_all.fwhm,met1_data_all.int,met1_data_all.rms,met1_data_all.units,met1_data_all.units_rms,met1_data_all.date_txt,met1_data_all.telescope_ref,met1_data_all.telescope_conf,met1_data_all.v_step,met1_data_all.beam,met1_data_all.beam_maj,met1_data_all.beam_min,met1_data_all.beam_pa,met1_data_all.ref,met1_data_all.list_ref,met1_data_all.ascii,met1_data_all.url,met1_data_all.image,met1_data_all.image2,met1_data_all.image3,met1_data_all.descr,met1_data_all.id,met1_data_all.mjy_flag,met1_data_all.rms_mjy_flag,met1_data_all.dist,met1_data_all.dist_parallax,met1_data_all.date_txt,line_det,type,simbad_types_cat FROM met1_data_all   LEFT JOIN all_objects_withmet ON met1_data_all.grp=all_objects_withmet.group_name LEFT JOIN object_categories ON all_objects_withmet.group_name = object_categories.group_name_cat AND object_categories.tbl_cat = 'all_objects_withmet' LEFT JOIN transitions ON met1_data_all.line=transitions."Line"  WHERE ref ilike 'MCC18C' AND detected=true AND hide=false ORDER BY detected DESC,id

Display data from paper

MCC18C - The relationship between Class I and Class II methanol masers at high angular resolution

Interferometry data

View as list of objects

Detection table from McCarthy et el. (2018c)