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BRE14 - 12.2-GHz methanol maser MMB follow-up catalogue - III. Longitude range 10° to 20°

Short title: Breen et al. (2014)
Authors: Breen, S. L. Ellingsen, S. P. Caswell, J. L. Green, J. A. Voronkov, M. A. Avison, A. Fuller, G. A. Quinn, L. J. Titmarsh, A.
Journal: Monthly Notices of the Royal Astronomical Society, Volume 438, Issue 4, p.3368-3382
Bibcode:

Non-detection table: Show non-detection table
Detection table: Show detection table (57 detection) Non-detection table: Show non-detection table (5 non-detection)
Target type: Known_Class_II
Transitions: SiO_1-0v0,CH3OH_36(I),CH3OH_44(I),CH3OH_95(I),CH3OH_132(I),CH3OH_6(II),CH3OH_12(II)

Abstract
We present the third instalment of a series of catalogues presenting 12.2-GHz methanol maser observations made towards each of the 6.7-GHz methanol masers detected in the Methanol Multibeam (MMB) Survey. The current portion of the catalogue includes the Galactic longitude region 10� to 20�, where we detect 47 12.2-GHz methanol masers towards 99 6.7-GHz targets. We compare the occurrence of 12.2-GHz methanol masers with water maser emission, for which all 6.7-GHz methanol masers in the 6� to 20� longitude range have now been searched. We suggest that the water masers follow a more complicated evolutionary scenario than has been found for the methanol and OH masers, likely due to their different pumping mechanisms. Comparisons of the 6.7-GHz methanol to OH maser peak flux density ratio and the luminosity of the associated 12.2-GHz sources suggests that the 12.2-GHz maser luminosity begins to decline around the time that an OH maser becomes detectable. eprintid: arXiv:1312.5024

Abstract

We present the third instalment of a series of catalogues presenting 12.2-GHz methanol maser observations made towards each of the 6.7-GHz methanol masers detected in the Methanol Multibeam (MMB) Survey. The current portion of the catalogue includes the Galactic longitude region 10� to 20�, where we detect 47 12.2-GHz methanol masers towards 99 6.7-GHz targets. We compare the occurrence of 12.2-GHz methanol masers with water maser emission, for which all 6.7-GHz methanol masers in the 6� to 20� longitude range have now been searched. We suggest that the water masers follow a more complicated evolutionary scenario than has been found for the methanol and OH masers, likely due to their different pumping mechanisms. Comparisons of the 6.7-GHz methanol to OH maser peak flux density ratio and the luminosity of the associated 12.2-GHz sources suggests that the 12.2-GHz maser luminosity begins to decline around the time that an OH maser becomes detectable. eprintid:

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Detection table from Breen et al. (2014)

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ID	Obs. RA	Obs. Dec	l	b	Group id	Source name	Line	V_peak	F_peak	∫F dv	Telescope	Beam	Detection	Class	Dist. (parallax)	Date
	(J2000)	(J2000)	(deg.)	(deg.)			CH₃OH (class II)	(km/s)	(Jy)	(Jy*km/s)		(arcsec)	Yes/No		(kpc)
1	18 09 23.3	-20 08 6.9	10.3205	-0.2586	G10.320-0.259	G10.320-0.259	12 GHz (II);	36.3	3.9	39.2	PRS	114	+H₂O +CH₃OH I +CH₃OH II	SFR		2008 Jun
	18 09 23.3	-20 08 6.9	10.3205	-0.2586	G10.320-0.259	G10.320-0.259	12 GHz (II);	36.3	3.7	39.2	PRS	114	+H₂O +CH₃OH I +CH₃OH II	SFR		2010 Mar
3	18 09 1.5	-20 05 7.8	10.3226	-0.1598	G10.322-0.148	G10.323-0.160	12 GHz (II);	10.2	2.3	12.4	PRS	114	+H₂O +CH₃OH I +CH₃OH II	SFR_MIXED		2008 Jun
	18 09 1.5	-20 05 7.8	10.3226	-0.1598	G10.322-0.148	G10.323-0.160	12 GHz (II);	10.2	2.8	11.2	PRS	114	+H₂O +CH₃OH I +CH₃OH II	SFR_MIXED		2010 Mar
5	18 09 00	-20 03 35.4	10.3423	-0.1423	G10.322-0.148	G10.342-0.142	12 GHz (II);	7.5	5.2	8.6	PRS	114	+H₂O +CH₃OH I +CH₃OH II	SFR_MIXED		2008 Dec
	18 09 00	-20 03 35.4	10.3423	-0.1423	G10.322-0.148	G10.342-0.142	12 GHz (II);	10.2	5.6	14.0	PRS	114	+H₂O +CH₃OH I +CH₃OH II	SFR_MIXED		2010 Mar
7	18 08 44.9	-19 54 38.2	10.4441	-0.0182	G10.444-0.018	G10.444-0.018	12 GHz (II);	71.9	6.3	73.6	PRS	114	+H₂O -CH₃OH I +CH₃OH II +OH	SFR		2008 Jun
8	18 08 38.2	-19 51 50.1	10.4723	0.0273	G10.472+0.027	G10.472+0.027	12 GHz (II);	75.0	12	76.7	PRS	114	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2008 Jun
	18 08 38.2	-19 51 50.1	10.4723	0.0273	G10.472+0.027	G10.472+0.027	12 GHz (II);	74.9	10	76.7	PRS	114	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2008 Dec
10	18 10 29.2	-19 55 41.1	10.6265	-0.3844	G10.623-0.383	G10.627-0.384	12 GHz (II);	4.5	1.4	6.5	PRS	114	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2008 Jun
11	18 09 08	-19 27 21.8	10.8856	0.1228	G10.885+0.123	G10.886+0.123	12 GHz (II);	19.7	0.6	20.2	PRS	114	+H₂O -CH₃OH I +CH₃OH II	SFR		2008 Dec
12	18 09 39.3	-19 26 28	10.9583	0.0223	G10.958+0.022	G10.958+0.022	12 GHz (II);	24.5	1.0	25.0	PRS	114	+H₂O -CH₃OH I +CH₃OH II	SFR		2008 Jun
13	18 10 28.2	-19 22 29.1	11.1093	-0.1140	G11.109-0.114	G11.109-0.114	12 GHz (II);	23.9	5.0	33.5	PRS	114	-H₂O -CH₃OH I +CH₃OH II	SFR		2008 Dec
14	18 16 22.1	-19 41 27.1	11.4974	-1.4853	G11.499-1.485	G11.497-1.485	12 GHz (II);	9.0	29	17.1	PRS	114	+H₂O -CH₃OH I +CH₃OH II	SFR		2008 Jun
15	18 12 2.7	-18 40 24.7	11.9031	-0.1023	G11.903-0.102	G11.903-0.102	12 GHz (II);	33.8	1.8	35.8	PRS	114	-H₂O -CH₃OH I +CH₃OH II	SFR		2008 Jun
16	18 12 11.4	-18 41 28.6	11.9041	-0.1411	G11.904-0.141	G11.904-0.141	12 GHz (II);	43.0	17	44.0	PRS	114	+H₂O -CH₃OH I +CH₃OH II +OH	SFR_MIXED		2008 Jun
17	18 14 0.9	-18 53 26.6	11.9360	-0.6156	G11.937-0.616	G11.936-0.616	12 GHz (II);	39.8	4.3	42.2	PRS	114	+H₂O +CH₃OH I +CH₃OH II	SFR		2008 Jun
18	18 12 1.9	-18 31 55.7	12.0254	-0.0314	G12.025-0.032	G12.025-0.031	12 GHz (II);	108.6	14	109.4	PRS	114	-H₂O -CH₃OH I +CH₃OH II +OH	SFR		2008 Jun
19	18 12 33.4	-18 30 7.6	12.1116	-0.1262	G12.112-0.126	G12.112-0.126	12 GHz (II);	40.3	1.3	40.6	PRS	114	-H₂O +CH₃OH I +CH₃OH II	SFR		2008 Jun
20	18 12 39.9	-18 24 17.9	12.2092	-0.1023	G12.209-0.107	G12.209-0.102	12 GHz (II);	17.4	0.5	18.4	PRS	114	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2008 Dec
21	18 12 35.4	-18 19 52.3	12.2654	-0.0512	G12.265-0.051	G12.265-0.051	12 GHz (II);	68.3	0.4	68.3	PRS	114	+H₂O -CH₃OH I +CH₃OH II	SFR		2008 Dec
22	18 12 52	-18 04 13.6	12.5257	0.0162	G12.526+0.016	G12.526+0.016	12 GHz (II);	42.5	0.4	42.8	PRS	114	-H₂O +CH₃OH II	SFR		2008 Jun
	18 12 52	-18 04 13.6	12.5257	0.0162	G12.526+0.016	G12.526+0.016	12 GHz (II);	42.3	0.5	43.0	PRS	114	-H₂O +CH₃OH II	SFR		2008 Dec
24	18 13 11.3	-17 59 57.6	12.6247	-0.0167	G12.627-0.017	G12.625-0.017	12 GHz (II);	21.6	5.5	24.7	PRS	114	+H₂O +CH₃OH I +CH₃OH II	SFR		2008 Dec
25	18 13 54.7	-18 01 46.6	12.6806	-0.1823	G12.681-0.182	G12.681-0.182	12 GHz (II);	57.1	8.0	60.3	PRS	114	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2008 Jun
	18 13 54.7	-18 01 46.6	12.6806	-0.1823	G12.681-0.182	G12.681-0.182	12 GHz (II);	57.1	6.3	58.5	PRS	114	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2008 Dec
27	18 11 51.4	-17 31 29.6	12.8887	0.4892	G12.889+0.490	G12.889+0.489	12 GHz (II);	39.4	19	40.2	PRS	114	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2008 Jun
28	18 13 48.3	-17 45 38.8	12.9044	-0.0311	G12.904-0.031	G12.904-0.031	12 GHz (II);	59.3	0.4	59.5	PRS	114	+H₂O +CH₃OH I +CH₃OH II	SFR		2008 Jun
	18 13 48.3	-17 45 38.8	12.9044	-0.0311	G12.904-0.031	G12.904-0.031	12 GHz (II);	59.2	0.6	59.7	PRS	114	+H₂O +CH₃OH I +CH₃OH II	SFR		2008 Dec
30	18 14 39.5	-17 52 00	12.9086	-0.2603	G12.908-0.260	G12.909-0.260	12 GHz (II);	39.4	15	40.5	PRS	114	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2008 Jun
31	18 15 51.1	-17 07 29.6	13.6961	-0.1563	G13.696-0.156	G13.696-0.156	12 GHz (II);	99.2	0.7	105.2	PRS	114	-H₂O +CH₃OH II	SFR		2008 Jun
	18 15 51.1	-17 07 29.6	13.6961	-0.1563	G13.696-0.156	G13.696-0.156	12 GHz (II);	99.2	0.6	105.1	PRS	114	-H₂O +CH₃OH II	SFR		2008 Dec
33	18 15 45.8	-16 39 9.4	14.1014	0.0870	G14.101+0.087	G14.101+0.087	12 GHz (II);	11.2	11	16.6	PRS	114	+H₂O -CH₃OH I +CH₃OH II	SFR		2008 Dec
34	18 16 43.8	-16 27 01	14.3895	-0.0203	G14.390-0.020	G14.390-0.020	12 GHz (II);	28.1	0.8	28.2	PRS	114	-H₂O +CH₃OH II +OH	SFR		2008 Dec
35	18 16 20.7	-16 15 5.5	14.5206	0.1552	G14.521+0.155	G14.521+0.155	12 GHz (II);	2.1	0.4	2.1	PRS	114	-H₂O +CH₃OH II +OH	SFR		2008 Dec
36	18 17 1.1	-16 14 38	14.6041	0.0167	G14.606+0.016	G14.604+0.017	12 GHz (II);	24.7	0.6	24.8	PRS	114	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2008 Jun
37	18 20 24.8	-16 11 34.6	15.0346	-0.6770	G15.033-0.674	G15.034-0.677	12 GHz (II);	23.4	21	23.7	PRS	114	+H₂O +CH₃OH I +CH₃OH II +OH	GALAXY		2008 Jun
38	18 17 20.8	-15 43 46.5	15.0942	0.1915	G15.094+0.191	G15.094+0.192	12 GHz (II);	23.4	1.2	23.9	PRS	114	+H₂O +CH₃OH I +CH₃OH II	SFR		2008 Dec
39	18 21 7.8	-14 50 54.6	16.3019	-0.1960	G16.302-0.196	G16.302-0.196	12 GHz (II);	51.4	6.3	52.5	PRS	114	-H₂O +CH₃OH II	EVOLVED		2008 Dec
40	18 21 9.1	-14 31 48.5	16.5853	-0.0507	G16.585-0.051	G16.585-0.051	12 GHz (II);	65.9	2.2	68.7	PRS	114	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2008 Jun
41	18 21 44.7	-14 09 48.5	16.9763	-0.0048	G16.976-0.005	G16.976-0.005	12 GHz (II);	6.6	0.4	6.7	PRS	114	-H₂O +CH₃OH II	SFR		2008 Dec
	18 21 44.7	-14 09 48.5	16.9763	-0.0048	G16.976-0.005	G16.976-0.005	12 GHz (II);	6.5	0.4	6.7	PRS	114	-H₂O +CH₃OH II	SFR		2010 Mar
43	18 23 10.1	-13 20 40.8	17.8616	0.0745	G17.862+0.074	G17.862+0.074	12 GHz (II);	108.2	0.5	119.7	PRS	114	-H₂O -CH₃OH I +CH₃OH II	SFR_MIXED		2008 Dec
44	18 23 34	-13 09 25	18.0728	0.0769	G18.073+0.077	G18.073+0.077	12 GHz (II);	57.2	0.5	57.3	PRS	114	-H₂O +CH₃OH II	SFR_MIXED		2008 Dec
45	18 25 5.7	-13 08 23.2	18.2621	-0.2439	G18.262-0.244	G18.262-0.244	12 GHz (II);	79.1	5.2	79.4	PRS	114	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2008 Dec
46	18 17 58.1	-12 07 24.8	18.3414	1.7681	G18.340+1.772	G18.341+1.768	12 GHz (II);	28.0	3.5	29.0	PRS	114	+H₂O +CH₃OH I +CH₃OH II	SFR		2008 Dec
47	18 24 53.8	-12 39 20.4	18.6675	0.0251	G18.666+0.032	G18.667+0.025	12 GHz (II);	76.5	0.7	76.6	PRS	114	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2008 Dec
48	18 25 11.3	-12 27 36.8	18.8736	0.0533	G18.874+0.053	G18.874+0.053	12 GHz (II);	38.5	0.6	38.7	PRS	114	+H₂O -CH₃OH I +CH₃OH II	SFR		2010 Mar
49	18 25 44.8	-12 22 46.1	19.0086	-0.0293	G19.009-0.029	G19.009-0.029	12 GHz (II);	55.8	0.5	58.8	PRS	114	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2008 Dec
50	18 25 08	-12 01 42.2	19.2491	0.2670	G19.249+0.267	G19.249+0.267	12 GHz (II);	13.3	0.4	13.4	PRS	114	+H₂O -CH₃OH I +CH₃OH II	SFR		2008 Dec
51	18 26 25.8	-12 03 52	19.3651	-0.0301	G19.364-0.030	G19.365-0.030	12 GHz (II);	29.8	1.0	30.0	PRS	114	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2008 Dec
52	18 25 54.7	-11 52 33	19.4729	0.1699	G19.485+0.151	G19.472+0.170n	12 GHz (II);	21.5	0.6	22.5	PRS	114	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2008 Dec
	18 25 54.7	-11 52 33	19.4729	0.1699	G19.485+0.151	G19.472+0.170n	12 GHz (II);	22.2	0.4	22.3	PRS	114	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2010 Mar
54	18 26 0.4	-11 52 22.6	19.4862	0.1508	G19.485+0.151	G19.486+0.151	12 GHz (II);	20.7	2.5	26.6	PRS	114	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2010 Mar
55	18 27 16.5	-11 53 38.2	19.6123	-0.1336	G19.612-0.134	G19.612-0.1341	12 GHz (II);	50.5	1.4	55.1	PRS	114	+H₂O -CH₃OH I +CH₃OH II +OH	SFR		2008 Jun
56	18 26 45.2	-11 49 31.4	19.6136	0.0112	G19.614+0.011	G19.614+0.011	12 GHz (II);	34.7	1.0	34.8	PRS	114	+H₂O +CH₃OH II	SFR		2008 Dec
57	18 26 29	-11 43 48.9	19.6668	0.1142	G19.667+0.114	G19.667+0.114	12 GHz (II);	14.3	0.6	16.8	PRS	114	+H₂O +CH₃OH II	SFR		2010 Mar

Non-detection table from Breen et al. (2014)

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ID	Obs. RA	Obs. Dec	l	b	Group id	Source name	Line	F_peak	∫F dv	Telescope	Beam	Detection	Class	Date
	(J2000)	(J2000)	(deg.)	(deg.)			CH₃OH (class II)	(Jy)	(Jy*km/s)		(arcsec)	Yes/No
1	18 09 08	-19 27 21.8	10.8856	0.1228	G10.885+0.123	G10.886+0.123	12 GHz (II);	<0.72	200	PRS	114	+H₂O -CH₃OH I +CH₃OH II	SFR	2008 Jun
2	18 12 39.9	-18 24 17.9	12.2092	-0.1023	G12.209-0.107	G12.209-0.102	12 GHz (II);	<0.79	200	PRS	114	+H₂O +CH₃OH I +CH₃OH II +OH	SFR	2010 Mar
3	18 12 35.4	-18 19 52.3	12.2654	-0.0512	G12.265-0.051	G12.265-0.051	12 GHz (II);	<0.72	200	PRS	114	+H₂O -CH₃OH I +CH₃OH II	SFR	2008 Jun
4	18 16 20.7	-16 15 5.5	14.5206	0.1552	G14.521+0.155	G14.521+0.155	12 GHz (II);	<0.79	200	PRS	114	-H₂O +CH₃OH II +OH	SFR	2010 Mar
5	18 24 53.8	-12 39 20.4	18.6675	0.0251	G18.666+0.032	G18.667+0.025	12 GHz (II);	<0.5	200	PRS	114	+H₂O +CH₃OH I +CH₃OH II +OH	SFR	2010 Mar

Distribution of sources in all sky (l,b)

Distribution of sources in all sky using Aladin

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Distribution of sources in IRAS color-color diagram

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

Type	Description
I	Oxygen-rich non-variable stars without circumstellar shells
II	Variable stars with "young" O-rich circumstellar shells
IIIa	Variable stars with more evolved O-rich circumstellar shells
IIIb	Variable stars with thick O-rich circumstellar shells
IV	Variable stars with very thick O-rich circumstellar shells
V	Planetary nebulae and non- variable stars with very cool circumstellar shells
VIa	Variable stars with relatively cold dust at large distances; a significant part of the stars is carbon-rich
VIb	Variable stars with relatively hot dust close to the star and relatively cold dust at large distances; Some of the objects have proven to be O-rich
VII	Variable stars with more evolved C-rich circumstellar shells
VIII	Different sort of objects

Distribution of the detection velocities versus galactic longitude from BRE14

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