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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:

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	Date
	(J2000)	(J2000)	(arcsec)	(arcsec)	(deg.)	(deg.)						CH₃OH (class I)	(km/s)	(Jy)		(Jy/beam)	(arcsec)	Yes/No
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	2004 September 24 and 26
	+15 43 16.67	-54 07 16.9	1.0488	-4.2016	326.474435	0.702105		1	G 326.48+0.70 A				-47.0	0.31
	+15 43 16.38	-54 07 16.6	-3.3012	-3.9016	326.473923	0.702601		2	G 326.48+0.70 B				-46.3	0.33
	+15 43 16.49	-54 07 14.5	-1.6512	-1.8016	326.474490	0.702902		3	G 326.48+0.70 C				-45.2	0.85
	+15 43 16.46	-54 07 14.3	-2.1012	-1.6016	326.474466	0.702990		4	G 326.48+0.70 D				-44.0	6.04
	+15 43 16.37	-54 07 15.1	-3.4512	-2.4016	326.474156	0.702947		5	G 326.48+0.70 E				-41.7	8.18
	+15 43 16.15	-54 07 16.7	-6.7512	-4.0016	326.473460	0.702920		6	G 326.48+0.70 F				-40.5	14.62
	+15 43 16.22	-54 07 16.1	-5.7012	-3.4016	326.473697	0.702948		7	G 326.48+0.70 G				-37.7	1.96
	+15 43 15.98	-54 07 12.9	-9.3012	-0.2016	326.473770	0.704011		8	G 326.48+0.70 H				-39.5	3.56
	+15 43 15.84	-54 07 11.3	-11.4012	1.3984	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+0.611		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	2004 September 24 and 26
	+15 44 33.6	-54 05 20.9	10.5012	7.7008	326.643203	0.613345		1	G 326.64+0.61 A				-43.0	0.50
	+15 44 33.6	-54 05 23	10.5012	5.6008	326.642847	0.612882		2	G 326.64+0.61 B				-37.3	1.57
	+15 44 32.96	-54 05 31	0.9012	-2.3992	326.640251	0.612076		3	G 326.64+0.61 C				-41.0	0.99
	+15 44 32.72	-54 05 33.2	-2.6988	-4.5992	326.639414	0.611950		4	G 326.64+0.61 D				-40.8	1.27
	+15 44 32.95	-54 05 30.8	0.7512	-2.1992	326.640266	0.612135		5	G 326.64+0.61 E				-40.0	3.17
	+15 44 32.85	-54 05 32.3	-0.7488	-3.6992	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	2004 September 24 and 26
	+15 51 13.84	-54 58 4.7	-5.4012	0.2008	326.858424	-0.675990		1	G 326.86-0.67 A				-67.3	3.22
	+15 51 13.73	-54 58 05	-7.0512	-0.0992	326.858167	-0.675889		2	G 326.86-0.67 B				-66.7	8.31
	+15 51 13.76	-54 58 5.1	-6.6012	-0.1992	326.858206	-0.675956		3	G 326.86-0.67 C				-66.0	5.79
	+15 51 13.91	-54 58 5.2	-4.3512	-0.2992	326.858467	-0.676203		4	G 326.86-0.67 D				-65.5	1.44
	+15 51 14.11	-54 58 3.8	-1.3512	1.1008	326.859084	-0.676202		5	G 326.86-0.67 E				-68.8	0.53
	+15 51 14.05	-54 58 3.9	-2.2512	1.0008	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	2004 September 24 and 26
	+15 50 18.53	-53 57 6.3	0.4512	0.1008	327.391801	0.199321		1	G 327.39+0.19 A				-88.8	3.30
	+15 50 18.32	-53 57 7.8	-2.6988	-1.3992	327.391138	0.199319		2	G 327.39+0.19 B				-87.3	1.96
	+15 50 18.13	-53 57 7.4	-5.5488	-0.9992	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	2004 September 24 and 26
	+15 52 50.2	-54 03 0.9	-0.0012	-0.2016	327.618335	-0.111092		1	G 327.62-0.11 A				-88.0	6.78
	+15 52 50.31	-54 03 5.5	1.6488	-4.8016	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	2004 September 24 and 26
	+15 57 58.38	-53 59 22.9	-0.2988	0.2	328.236688	-0.547474		1	G 328.24-0.54 A				-42.3	0.99
	+15 57 58.34	-53 59 20.3	-0.8988	2.8	328.237080	-0.546860		2	G 328.24-0.54 B				-41.7	1.12
	+15 57 58.27	-53 59 17.7	-1.9488	5.4	328.237417	-0.546199		3	G 328.24-0.54 C				-40.8	7.55
	+15 57 58.39	-53 59 20.5	-0.1488	2.6	328.237138	-0.546982		4	G 328.24-0.54 D				-40.0	0.42
	+15 57 58.55	-53 59 19.5	2.2512	3.6	328.237616	-0.547024		5	G 328.24-0.54 E				-39.3	0.54
	+15 57 58.66	-53 59 19.8	3.9012	3.3	328.237768	-0.547261		6	G 328.24-0.54 F				-37.7	0.42
	+15 57 58.46	-53 59 31.3	0.9012	-8.2	328.235327	-0.549380		7	G 328.24-0.54 G				-44.0	0.49
	+15 57 58.28	-53 59 31.3	-1.7988	-8.2	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	2004 September 24 and 26
	+15 57 59.93	-53 57 57.4	1.9488	3.5012	328.254952	-0.531824		1	G 328.25-0.53 A				-44.0	0.53
	+15 57 59.82	-53 58 1.5	0.2988	-0.5988	328.254010	-0.532518		2	G 328.25-0.53 B				-43.5	0.47
	+15 57 59.81	-53 58 0.5	0.1488	0.4012	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	2004 September 24 and 26
	+15 55 50.23	-52 43 21.7	24.45	-15.4996	328.809086	0.626917		1	G 328.81+0.63 A				-42.0	4.72
	+15 55 49.15	-52 43 23.6	8.25	-17.3996	328.806656	0.628260		2	G 328.81+0.63 B				-42.5	3.66
	+15 55 48.25	-52 43 19.8	-5.25	-13.5996	328.805590	0.630526		3	G 328.81+0.63 C				-41.0	2.46
	+15 55 48.49	-52 43 19.5	-1.65	-13.2996	328.806109	0.630202		4	G 328.81+0.63 D				-40.3	14.89
	+15 55 48.48	-52 43 6.5	-1.8	-0.2996	328.808405	0.632989		5	G 328.81+0.63 E				-44.7	1.22
	+15 55 48.53	-52 43 5.8	-1.05	0.4004	328.808626	0.633057		6	G 328.81+0.63 F				-43.5	1.66
	+15 55 48.84	-52 43 7.1	3.6	-0.8996	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	2004 September 24 and 26
	+16 00 30.33	-53 12 28.7	-22.05	21.0016	329.030515	-0.198037		1	G 329.03-0.20 A				-46.5	1.65
	+16 00 31.98	-53 12 45.7	2.7	4.0016	329.030543	-0.204302		2	G 329.03-0.20 B				-43.2	18.87
	+16 00 31.84	-53 12 47.2	0.6	2.5016	329.030006	-0.204389		3	G 329.03-0.20 C				-42.0	9.09
	+16 00 31.9	-53 12 55.8	1.5	-6.0984	329.028558	-0.206295		4	G 329.03-0.20 D				-41.2	3.67
	+16 00 31.76	-53 12 51.5	-0.6	-1.7984	329.029074	-0.205163		5	G 329.03-0.20 E				-40.5	3.12
	+16 00 31.81	-53 12 52.6	0.15	-2.8984	329.028969	-0.205475		6	G 329.03-0.20 F				-39.7	3.13
	+16 00 32.05	-53 12 53.7	3.75	-3.9984	329.029222	-0.206098		7	G 329.03-0.20 G				-38.2	1.40
	+16 00 32.01	-53 12 54.7	3.15	-4.9984	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	2004 September 24 and 26
	+16 00 30.29	-53 12 28.6	-0.15	-1.3012	329.030457	-0.197951		1	G 329.03-0.19 A				-46.5	16.06
	+16 00 30.06	-53 12 26	-3.6	1.2988	329.030495	-0.197029		2	G 329.03-0.19 B				-44.7	1.09
	+16 00 30.45	-53 12 13.5	2.25	13.7988	329.033502	-0.195038		3	G 329.03-0.19 C				-45.5	2.99
	+16 00 30.46	-53 12 19.6	2.4	7.6988	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	2004 September 24 and 26
	+16 01 8.95	-53 16 7.8	-14.25	-5.0988	329.063485	-0.307088		1	G 329.07-0.30 A				-41.7	2.87
	+16 01 9.33	-53 16 3.5	-8.55	-0.7988	329.064983	-0.306806		2	G 329.07-0.30 B				-40.5	0.37
	+16 01 9.18	-53 16 7.7	-10.8	-4.9988	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	2004 September 24 and 26
	+16 01 46.7	-53 11 49.2	-4.4988	-5.0004	329.181667	-0.314671		1	G 329.18-0.31 A				- 49.2	0.56
	+16 01 47.26	-53 11 43.8	3.9012	0.3996	329.183706	-0.314459		2	G 329.18-0.31 B				-50.2	0.70
	+16 01 47.15	-53 11 42.1	2.2512	2.0996	329.183810	-0.313922		3	G 329.18-0.31 C				- 48.5	0.56
	+16 01 47.33	-53 11 42.3	4.9512	1.8996	329.184112	-0.314259		4	G 329.18-0.31 D				- 47.2	2.54
	+16 01 47.17	-53 11 42	2.5512	2.1996	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	2004 September 24 and 26
	+15 59 40.15	-52 23 35.7	-8.2488	-7.9992	329.466444	0.501762		1	G 329.47+0.50 A				- 66.2	2.64
	+15 59 40.66	-52 23 27.5	-0.5988	0.2008	329.468912	0.502645		2	G 329.47+0.50 B				- 69.0	0.53
	+15 59 40.74	-52 23 29.3	0.6012	-1.5992	329.468740	0.502133		3	G 329.47+0.50 C				- 68.8	0.53
	+15 59 40.69	-52 23 28.4	-0.1488	-0.6992	329.468807	0.502406		4	G 329.47+0.50 D				- 67.3	0.36
	+15 59 40.91	-52 23 30.4	3.1512	-2.6992	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	2004 September 24 and 26
	+16 10 59.59	-51 50 25.7	-1.65	-2.9996	331.130935	-0.244254		1	G 331.13-0.24 A				-90.8	35.43
	+16 10 59.74	-51 50 24.5	0.6	-1.7996	331.131445	-0.244273		2	G 331.13-0.24 B				- 86.8	4.18
	+16 10 59.69	-51 50 23.7	-0.15	-0.9996	331.131502	-0.244023		3	G 331.13-0.24 C				-85.8	4.35
	+16 10 59.73	-51 50 24.3	0.45	-1.5996	331.131464	-0.244215		4	G 331.13-0.24 D				- 84.8	3.28
	+16 10 59.9	-51 50 25.6	3	-2.8996	331.131539	-0.244777		5	G 331.13-0.24 E				- 82.5	2.67
	+16 11 00	-51 50 26.7	4.5	-3.9996	331.131520	-0.245176		6	G 331.13-0.24 F				-80.3	0.71
	+16 11 0.74	-51 50 23.9	15.6	-1.1996	331.133445	-0.245903		7	G 331.13-0.24 G				- 88.3	10.42
	+16 11 0.25	-51 50 25.9	8.25	-3.1996	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	2004 September 24 and 26
	+16 12 26.41	-51 46 18.9	-1.3512	-2.0004	331.341214	-0.346801		1	G 331.34-0.34 A				- 66.5	0.60
	+16 12 26.5	-51 46 20.6	-0.0012	-3.7004	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	2004 September 24 and 26
	+16 12 12.28	-51 35 13.3	-3.2988	-3.0016	331.441044	-0.186955		1	G 331.44-0.18 A				- 91.3	5.05
	+16 12 12.23	-51 35 13	-4.0488	-2.7016	331.441007	-0.186806		2	G 331.44-0.18 B				- 89.5	1.02
	+16 12 11.41	-51 35 18.3	-16.3488	-8.0016	331.438451	-0.186429		3	G 331.44-0.18 C				- 87.3	1.99
	+16 12 12.32	-51 35 10.8	-2.6988	-0.5016	331.441595	-0.186520		4	G 331.44-0.18 D				-90.5	0.28
	+16 12 12.35	-51 35 12.3	-2.2488	-2.0016	331.441367	-0.186877		5	G 331.44-0.18 E				-90.3	0.91
	+16 12 12.33	-51 35 11	-2.5488	-0.7016	331.441576	-0.186578		6	G 331.44-0.18 F				- 89.0	0.75
	+16 12 12.44	-51 35 9.6	-0.8988	0.6984	331.442049	-0.186489		7	G 331.44-0.18 G				- 88.5	0.52
	+16 12 12.57	-51 35 8.5	1.0512	1.7984	331.442504	-0.186496		8	G 331.44-0.18 H				- 87.5	3.21
	+16 12 12.55	-51 35 8.6	0.7512	1.6984	331.442447	-0.186481		9	G 331.44-0.18 I				- 86.5	0.83
	+16 12 12.39	-51 35 7.4	-1.6488	2.8984	331.442373	-0.185954		10	G 331.44-0.18 J				- 86.0	0.44
	+16 12 12.51	-51 35 9.2	0.1512	1.0984	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	2004 September 24 and 26
	+16 15 45.3	-50 55 54.9	-1.5012	-0.9996	332.294852	-0.093770		1	G 332.30-0.09 A				- 52.2	0.31
	+16 15 45.72	-50 55 55	4.7988	-1.0996	332.295629	-0.094554		2	G 332.30-0.09 B				- 51.7	0.64
	+16 15 45.86	-50 55 55.2	6.8988	-1.2996	332.295855	-0.094849		3	G 332.30-0.09 C				-50.5	5.71
	+16 15 45.78	-50 55 55.3	5.6988	-1.3996	332.295685	-0.094723		4	G 332.30-0.09 D				- 49.2	19.11
	+16 15 45.65	-50 55 55.8	3.7488	-1.8996	332.295342	-0.094587		5	G 332.30-0.09 E				- 48.0	7.21
	+16 15 45.45	-50 55 55.7	0.7488	-1.7996	332.294983	-0.094203		6	G 332.30-0.09 F				- 47.2	1.23
	+16 15 45.29	-50 55 56.3	-1.6512	-2.3996	332.294564	-0.094033		7	G 332.30-0.09 G				- 47.0	1.16
	+16 15 45.45	-50 55 54.3	0.7488	-0.3996	332.295252	-0.093923		8	G 332.30-0.09 H				- 46.5	0.77
	+16 15 44.21	-50 55 56.6	-17.8512	-2.6996	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	2004 September 24 and 26
	+16 17 29.27	-50 46 14.6	-0.4488	-2.0996	332.603579	-0.167753		1	G 332.60-0.16 A				- 46.2	0.70
	+16 17 29.22	-50 46 12.8	-1.1988	-0.2996	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	G332.963-0.680		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	2004 September 24 and 26
	+16 21 19.32	-50 54 13.7	4.7988	-3.2996	332.941815	-0.687126		1	G 332.94-0.68 A				-50.0	1.52
	+16 21 19.44	-50 54 13	6.5988	-2.5996	332.942176	-0.687211		2	G 332.94-0.68 B				- 48.2	4.34
	+16 21 19.32	-50 54 13.8	4.7988	-3.3996	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	G332.963-0.680		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	2004 September 24 and 26
	+16 21 22.93	-50 52 56.7	0.4488	1.9992	332.963636	-0.678674		1	G 332.96-0.67 A				-50.7	0.42
	+16 21 22.71	-50 52 55.7	-2.8512	2.9992	332.963422	-0.678069		2	G 332.96-0.67 B				-50.2	0.76
	+16 21 22.84	-50 52 57.5	-0.9012	1.1992	332.963311	-0.678665		3	G 332.96-0.67 C				-50.0	0.49
	+16 21 22.88	-50 52 58.7	-0.3012	-800 mas	332.963150	-0.678975		4	G 332.96-0.67 D				- 48.7	0.71
	+16 21 22.84	-50 52 56.9	-0.9012	1.7992	332.963429	-0.678547		5	G 332.96-0.67 E				- 48.2	2.06
	+16 21 22.76	-50 52 56.7	-2.1012	1.9992	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	2004 September 24 and 26
	+16 18 56.64	-50 23 53.4	-0.9	0.8004	333.029202	-0.062537		1	G 333.03-0.06 A				- 41.7	1.17
	+16 18 56.77	-50 23 54.9	1.05	-0.6996	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	2004 September 24 and 26
	+16 20 48.83	-50 38 40.2	-2.5512	0.5004	333.067735	-0.446628		1	G 333.07-0.44 A				- 53.7	0.47
	+16 20 48.64	-50 38 39.1	-5.4012	1.6004	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	G333.127-0.434		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	2004 September 24 and 26
	+16 20 59.75	-50 35 51.3	0.75	0.9996	333.121282	-0.433693		1	G 333.12-0.43 A				-58.0	0.32
	+16 20 59.71	-50 35 51.7	0.15	0.5996	333.121129	-0.433697		2	G 333.12-0.43 B				- 56.3	0.49
	+16 20 59.73	-50 35 50.9	0.45	1.3996	333.121323	-0.433577		3	G 333.12-0.43 C				-55.0	1.43
	+16 20 59.49	-50 35 50.5	-3.15	1.7996	333.120951	-0.433051		4	G 333.12-0.43 D				- 52.3	9.31
	+16 20 59.42	-50 35 49	-4.2	3.2996	333.121114	-0.432625		5	G 333.12-0.43 E				- 50.2	8.10
	+16 20 59.63	-50 35 50.2	-1.05	2.0996	333.121273	-0.433253		6	G 333.12-0.43 F				- 49.3	1.02
	+16 20 59.64	-50 35 51.5	-0.9	0.7996	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	G333.127-0.434		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	2004 September 24 and 26
	+16 21 2.58	-50 35 54.5	-10.8	-4.6988	333.125963	-0.439601		1	G 333.13-0.44 A				-48.7	18.44
	+16 21 2.18	-50 35 50.8	-16.8	-0.9988	333.125938	-0.438126		2	G 333.13-0.44 B				-48.0	18.85
	+16 21 2.41	-50 35 53	-13.35	-3.1988	333.125938	-0.438989		3	G 333.13-0.44 C				- 47.7	17.54
	+16 21 2.63	-50 35 54	-10.05	-4.1988	333.126155	-0.439596		4	G 333.13-0.44 D				- 47.0	19.87
	+16 21 2.35	-50 35 53.1	-14.25	-3.2988	333.125806	-0.438896		5	G 333.13-0.44 E				- 46.2	10.64
	+16 21 2.39	-50 35 52.9	-13.65	-3.0988	333.125920	-0.438932		6	G 333.13-0.44 F				- 44.5	0.49
	+16 21 3.32	-50 35 45.1	0.3	4.7012	333.129192	-0.439130		7	G 333.13-0.44 G				- 51.5	0.41
	+16 21 3.16	-50 35 45.9	-2.1	3.9012	333.128736	-0.438989		8	G 333.13-0.44 H				- 50.7	1.91
	+16 21 3.73	-50 35 38.8	6.45	11.0012	333.131195	-0.438654		9	G 333.13-0.44 I				- 49.7	12.21
	+16 21 3.18	-50 35 38.4	-1.8	11.4012	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	2004 September 24 and 26
	+16 21 34.33	-50 41 6.8	-16.05	-9.8	333.124168	-0.560269		1	G 333.13-0.56 A				- 59.5	1.13
	+16 21 35.91	-50 40 49.1	7.65	7.9	333.130594	-0.559736		2	G 333.13-0.56 B				- 57.2	1.45
	+16 21 36.1	-50 40 48.7	10.5	8.3	333.131028	-0.560012		3	G 333.13-0.56 C				- 56.5	1.74
	+16 21 36.33	-50 40 48.3	13.95	8.7	333.131536	-0.560362		4	G 333.13-0.56 D				- 56.3	1.64
	+16 21 36.43	-50 40 47.4	15.45	9.6	333.131899	-0.560372		5	G 333.13-0.56 E				-55.3	4.65
	+16 21 36.08	-50 40 48.1	10.2	8.9	333.131108	-0.559856		6	G 333.13-0.56 F				-54.0	8.69
	+16 21 35.79	-50 40 55.1	5.85	1.9	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	2004 September 24 and 26
	+16 19 42.12	-50 20 0.2	-8.7012	-7.0016	333.160815	-0.101085		1	G 333.16-0.10 A				- 92.0	0.93
	+16 19 42.71	-50 19 55.3	0.1488	-2.1016	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	2004 September 24 and 26
	+16 19 45.54	-50 18 32.4	-0.9	2.5992	333.184416	-0.090104		1	G 333.18-0.09 A				- 86.8	0.80
	+16 19 45.65	-50 18 33.6	0.75	1.3992	333.184391	-0.090546		2	G 333.18-0.09 B				- 86.3	3.25
	+16 19 45.96	-50 18 31.9	5.4	3.0992	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	G333.234-0.061		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	2004 September 24 and 26
	+16 19 49.52	-50 15 14.1	-26.7	0.0012	333.230639	-0.058324		1	G 333.23-0.06 A				- 89.5	0.89
	+16 19 49.49	-50 15 14.3	-27.15	-0.1988	333.230543	-0.058308		2	G 333.23-0.06 B				- 86.8	35.57
	+16 19 51.41	-50 15 14.1	1.65	0.0012	333.234224	-0.061861		3	G 333.23-0.06 C				-85.0	4.90
	+16 19 51.28	-50 15 12.5	-0.3	1.6012	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	2004 September 24 and 26
	+16 19 28.74	-50 04 38.7	-4.05	2.7984	333.315004	0.106329		1	G 333.32+0.10 A				- 49.2	1.11
	+16 19 29.26	-50 04 43.6	3.75	-2.1016	333.315040	0.104384		2	G 333.32+0.10 B				-45.5	0.38
	+16 19 28.85	-50 04 40.7	-2.4	0.7984	333.314824	0.105727		3	G 333.32+0.10 C				- 44.0	3.78
	+16 19 28.14	-50 04 38.7	-13.05	2.7984	333.313861	0.107455		4	G 333.32+0.10 D				-48.0	0.86
	+16 19 28.34	-50 04 39.1	-10.05	2.3984	333.314164	0.107000		5	G 333.32+0.10 E				- 47.2	0.56
	+16 19 27.98	-50 04 42.8	-15.45	-1.3016	333.312757	0.106943		6	G 333.32+0.10 F				- 46.7	0.56
	+16 19 28.09	-50 04 37.4	-13.8	4.0984	333.314019	0.107806		7	G 333.32+0.10 G				- 46.0	0.47
	+16 19 28.62	-50 04 53.5	-5.85	-12.0016	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	2004 September 24 and 26
	+16 21 19.94	-50 09 42	-3.9012	6.6	333.466822	-0.162572		1	G 333.47-0.16 A				-45.0	3.19
	+16 21 20.1	-50 09 38.1	-1.5012	10.5	333.467889	-0.162106		2	G 333.47-0.16 B				- 41.0	2.13
	+16 21 20.55	-50 09 55.5	5.2488	-6.9	333.465329	-0.166377		3	G 333.47-0.16 C				- 42.3	1.80
	+16 21 20.15	-50 09 46.7	-0.7512	1.9	333.466298	-0.163892		4	G 333.47-0.16 D				- 43.0	5.38
	+16 21 20.42	-50 09 48.8	3.2988	-0.2	333.466396	-0.164814		5	G 333.47-0.16 E				- 40.5	0.43
	+16 21 19.69	-50 09 33.7	-7.6512	14.9	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	2004 September 24 and 26
	+16 21 8.77	-49 59 49.5	-0.4512	-21.2016	333.561789	-0.024873		1	G 333.56-0.02 A				- 40.8	0.81
	+16 21 8.74	-49 59 49.5	-0.9012	-21.2016	333.561732	-0.024816		2	G 333.56-0.02 B				- 39.5	9.35
	+16 21 8.59	-49 59 47.8	-3.1512	-19.5016	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	2004 September 24 and 26
	+16 29 23.5	-49 12 23.2	6	4.0988	335.061017	-0.427400		1	G 335.06-0.42 A				- 41.7	1.13
	+16 29 23.46	-49 12 22.5	5.4	4.7988	335.061083	-0.427187		2	G 335.06-0.42 B				- 41.2	0.57
	+16 29 23.42	-49 12 21	4.8	6.2988	335.061310	-0.426821		3	G 335.06-0.42 C				- 40.5	3.70
	+16 29 22.98	-49 12 32.8	-1.8	-5.5012	335.058110	-0.428213		4	G 335.06-0.42 D				- 39.7	0.31
	+16 29 22.8	-49 12 32.4	-4.5	-5.1012	335.057852	-0.427781		5	G 335.06-0.42 E				-38.8	4.83
	+16 29 23.04	-49 12 32.1	-0.9	-4.8012	335.058363	-0.428197		6	G 335.06-0.42 F				- 37.7	3.25
	+16 29 23.07	-49 12 30.5	-0.45	-3.2012	335.058741	-0.427950		7	G 335.06-0.42 G				- 37.3	0.53
	+16 29 23.19	-49 12 29.4	1.35	-2.1012	335.059188	-0.427976		8	G 335.06-0.42 H				- 37.0	0.47

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	2MASS K

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.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.image) as image,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,MAX(met1_data_all.date_txt) as date_txt,MAX(line_det) as line_det FROM met1_data_all  LEFT JOIN all_objects_withmet ON met1_data_all.grp=all_objects_withmet.group_name  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.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.image,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.date_txt,line_det FROM met1_data_all   LEFT JOIN all_objects_withmet ON met1_data_all.grp=all_objects_withmet.group_name  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 paper statistics

Detection table from McCarthy et el. (2018c)