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CAS93 - Methanol masers at 12 GHz.

Short title: Caswell et al. (1993)
Authors: Caswell, J. L.Gardner, F. F.Norris, R. P.Wellington, K. J.McCutcheon, W. H.Peng, R. S.
Journal: Monthly Notices of the Royal Astronomical Society, Vol. 260, 425-436 (1993)
Bibcode:

Target type: OH
Transitions: CH3OH_12(II)

Abstract
We have searched for 12-GHz methanol maser emission from the direction of 173 OH masers in star formation regions and obtained 53 detections, including 19 previously unreported. The observations of these and four other southern methanol masers are presented. We discuss some of the properties of this extensive uniform sample, in particular the presence of linear polarization and our discovery of intensity variations on a time-scale of weeks.

Abstract

We have searched for 12-GHz methanol maser emission from the direction of 173 OH masers in star formation regions and obtained 53 detections, including 19 previously unreported. The observations of these and four other southern methanol masers are presented. We discuss some of the properties of this extensive uniform sample, in particular the presence of linear polarization and our discovery of intensity variations on a time-scale of weeks.

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Detection table from Caswell et al. (1993)

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ID	Obs. RA	Obs. Dec	l	b	Group id	Source name	Image	Descr.	Line	V_range	V_peak	F_peak	Telescope	Beam	Detection	Class	Dist. (parallax)	Date
	(J2000)	(J2000)	(deg.)	(deg.)					CH₃OH (class II)	(km/s)	(km/s)	(Jy)		(arcsec)	Yes/No		(kpc)
1	06 08 54.3	+21 38 32.6	188.9471	0.8898	G188.946+0.887	188.95+0.89	Image		12 GHz (II);	9;12	+10.4	178	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		1988 Mar-Apr
2	11 11 56.1	-61 18 17.6	291.2786	-0.7049	G291.274-0.709	291.28-0.71	Image	Descr	12 GHz (II);	29;32	-30.0	-3	PRS	120	+H₂O -CH₃OH I +CH₃OH II	SFR		1988 Mar-Apr
3	13 11 19.4	-62 45 59.5	305.2047	0.0174	G305.200+0.019	305.21+0.02	Image		12 GHz (II);	-34;-31	-32.6	10	PRS	120	+H₂O -CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
4	13 43 3.3	-62 08 56.2	308.9205	0.1211	G308.918+0.123	308.92+0.12	Image		12 GHz (II);	-55;-53	-53.4	9	PRS	120	+H₂O -CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
5	13 50 43.1	-61 35 18.4	309.9226	0.4761	G309.921+0.479	309.92+0.48	Image		12 GHz (II);	-61;-57	-59.8	138	PRS	120	-H₂O +CH₃OH II +OH	SFR		1988 Mar-Apr
6	14 44 20.8	-59 55 16.1	316.6442	-0.0899	G316.640-0.087	316.64-0.09	Image		12 GHz (II);	-23;-17	-19.8	21	PRS	120	+H₂O +CH₃OH II +OH	SFR		1988 Mar-Apr
7	15 00 56.1	-58 58 54	318.9490	-0.1972	G318.948-0.196	318.95-0.20	Image		12 GHz (II);	-36;-32	-34.5	174	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
8	15 18 35.4	-56 38 27.5	322.1595	0.6345	G322.161+0.635	322.16+0.63	Image		12 GHz (II);	-64;-52	-63.4	21	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
9	15 29 21	-56 31 26.3	323.4614	-0.0818	G323.459-0.079	323.46-0.08	Image		12 GHz (II);	-68;-66	-66.9	12	PRS	120	-H₂O +CH₃OH II +OH	SFR		1988 Mar-Apr
10	15 31 46.3	-56 30 59.9	323.7402	-0.2660	G323.740-0.263	323.74-0.26	Image		12 GHz (II);	-54;-47	-50.9	530	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		1988 Mar-Apr
11	15 49 20.9	-53 45 24.1	327.4031	0.4401	G327.402+0.444	327.40+0.44	Image		12 GHz (II);	-84;-82	-82.9	48	PRS	120	+H₂O -CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
12	15 57 59.8	-53 59 29.1	328.2382	-0.5510	G328.237-0.547	328.24-0.55	Image		12 GHz (II);	-46;-44	-44.9	18	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
13	15 55 50.2	-52 43 17.1	328.8099	0.6279	G328.809+0.633	328.81+0.63	Image		12 GHz (II);	-47;-43	-46.5	23	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
14	16 00 32.6	-53 12 57.5	329.0296	-0.2078	G329.031-0.200	329.03-0.21	Image	Descr	12 GHz (II);	-41;-36	-37.5	11	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
15	16 11 26.8	-51 42 5.7	331.2769	-0.1904	G331.278-0.188	331.28-0.19	Image		12 GHz (II);	-84;-77	-78.9	147	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
16	16 29 47.9	-48 16 07	335.7871	0.1700	G335.789+0.174	335.79+0.17	Image	Descr	12 GHz (II);	-51;-45	-46.3	-165	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
17	16 34 20.4	-48 05 27.6	336.4339	-0.2618	G336.433-0.262	336.43-0.26	Image	Descr	12 GHz (II);	-95;-92	-93.5	22	PRS	120	+H₂O +CH₃OH II	SFR		1988 Mar-Apr
18	16 38 11.4	-47 05 12.9	337.6134	-0.0661	G337.613-0.060	337.61-0.07	Image		12 GHz (II);	-44;-40	-41.9	13	PRS	120	+H₂O +CH₃OH II +OH	SFR		1988 Mar-Apr
19	16 38 30.4	-47 00 51.6	337.7034	-0.0576	G337.705-0.053	337.71-0.06	Image		12 GHz (II);	-56;-50	-54.7	69	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
20	16 39 39.7	-46 41 31.8	338.0751	0.0098	G338.075+0.012	338.08+0.02	Image		12 GHz (II);	-54;-52	-53.2	20	PRS	120	+H₂O +CH₃OH II +OH	SFR_MIXED		1988 Mar-Apr
21	16 42 15.5	-46 34 26.2	338.4588	-0.2461	G338.461-0.245	338.46-0.25	Image		12 GHz (II);	-53;-51	-52.2	8	PRS	120	+H₂O +CH₃OH II +OH	SFR		1988 Mar-Apr
22	16 46 6.3	-45 36 57.2	339.6197	-0.1236	G339.621-0.121	339.62-0.12	Image		12 GHz (II);	-35;-31	-33.4	22	PRS	120	+H₂O -CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
23	16 52 5.8	-46 08 44.4	339.8840	-1.2632	G339.884-1.259	339.88-1.26	Image		12 GHz (II);	-40;-33	-38.8	780	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
24	16 50 14.8	-44 42 38	340.7825	-0.0980	G340.785-0.096	340.78-0.10	Image		12 GHz (II);	-107;-98	-105.4	52	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
25	16 52 17.8	-44 26 52.4	341.2176	-0.2119	G341.218-0.212	341.22-0.21	Image	Descr	12 GHz (II);	-46;-36	-37.7	-5.5	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
26	17 05 12	-41 29 11.9	345.0038	-0.2272	G345.003-0.223	345.00-0.22	Image		12 GHz (II);	-23;-21	-22.2	5	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
27	16 56 48.4	-40 14 40.2	345.0080	1.7878	G345.010+1.792	345.01+1.79	Image	Descr	12 GHz (II);	-25;-10	-21.9	430	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
28	17 19 20.7	-39 03 58.3	348.5487	-0.9805	G348.550-0.979	348.55-0.98	Image		12 GHz (II);	-11;-9	-10.2	20	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
29	17 20 4.6	-38 58 31.2	348.7047	-1.0451	G348.720-1.039	348.70-1.04	Image	Descr	12 GHz (II);	-10;-3	-3.7	25	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
30	17 20 6.8	-38 57 09	348.7274	-1.0378	G348.720-1.039	348.73-1.04	Image	Descr	12 GHz (II);	-9;-6	-7.5	12	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
31	17 20 53.7	-35 47 9.4	351.4157	0.6429	G351.417+0.645	351.42+0.64	Image	Descr	12 GHz (II);	-12;-8	-11.3	1200	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		1988 Mar-Apr
32	17 20 55	-35 45 18.4	351.4435	0.6570	G351.446+0.660	351.44+0.66	Image	Descr	12 GHz (II);	-11;-9	-9.9	81	PRS	120	+H₂O +CH₃OH I +CH₃OH II	SFR		1988 Mar-Apr
33	17 30 26.3	-34 41 44.2	353.4103	-0.3602	G353.410-0.360	353.41-0.36	Image		12 GHz (II);	-23;-19	-22.3	20	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
34	17 30 16.9	-33 14 2.8	354.6127	0.4712	G354.615+0.472	354.61+0.47	Image	Descr	12 GHz (II);	-25;-15	-16.5	28	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
35	17 45 39.8	-29 23 39.6	359.6139	-0.2468	G359.615-0.243	359.62-0.25	Image		12 GHz (II);	19;24	+20.2	15	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
36	17 50 14.9	-28 54 42.6	0.5444	-0.8545	G0.546-0.852	0.54-0.85	Image	Descr	12 GHz (II);	13;19	+ 13.8	-8	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
37	17 47 20.8	-28 24 22.2	0.6497	-0.0484	G0.6512-0.0487	0.65-0.05		Descr	12 GHz (II);	47;49	+48	>3.6	PRS	120	-H₂O +CH₃OH I +CH₃OH II	SFR		1988 Mar-Apr
38	18 06 21.9	-21 37 20.7	8.6774	-0.3641	G8.669-0.357	8.68-0.37	Image	Descr	12 GHz (II);	40;45	+44.1	10.5	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
39	18 06 15.8	-20 31 42.1	9.6208	0.1905	G9.621+0.195	9.62+0.19	Image	Descr	12 GHz (II);	-4;5	+ 1.2	-135	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
40	18 08 38.4	-19 51 53.7	10.4718	0.0261	G10.472+0.027	10.47+0.03	Image	Descr	12 GHz (II);	73;77	+75.0	17	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
41	18 12 11.1	-18 41 34.1	11.9020	-0.1406	G11.904-0.141	11.90-0.14	Image		12 GHz (II);	41;44	+42.9	17	PRS	120	+H₂O -CH₃OH I +CH₃OH II +OH	SFR_MIXED		1988 Mar-Apr
42	18 12 1.7	-18 31 57.8	12.0246	-0.0310	G12.025-0.032	12.03-0.04	Image		12 GHz (II);	107;110	+108.5	14	PRS	120	-H₂O -CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
43	18 13 56	-18 01 53.5	12.6813	-0.1876	G12.681-0.182	12.68-0.18	Image		12 GHz (II);	56;59	+57.0	12	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
44	18 14 40.6	-17 52 12.2	12.9076	-0.2657	G12.908-0.260	12.91-0.26	Image		12 GHz (II);	38;41	+39.5	21	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
45	18 20 24.8	-16 11 44.1	15.0324	-0.6784	G15.033-0.674	15.03-0.68	Image		12 GHz (II);	21;24	+21.3	14	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	GALAXY		1988 Mar-Apr
46	18 27 44.1	-11 14 54	20.2362	0.0671	G20.237+0.065	20.24+0.07	Image		12 GHz (II);	71;74	+73.0	5	PRS	120	+H₂O -CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
47	18 32 43.8	-09 25 15.3	22.4248	-0.1747	G22.435-0.169	22.43-0.17	Image		12 GHz (II);	37;39	+37.8	6	PRS	120	+H₂O -CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
48	18 34 40.5	-09 00 49.8	23.0073	-0.4129	G23.010-0.411	23.01-0.41	Image		12 GHz (II);	73;84	+74.9	25	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
49	18 34 38.5	-08 31 34	23.4365	-0.1810	G23.437-0.184	23.44-0.18	Image	Descr	12 GHz (II);	96;108	+97.3	12	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
50	18 44 49.7	-03 45 51.8	28.8288	-0.2481	G28.833-0.253	28.83-0.25	Image		12 GHz (II);	82;84	+82.2	3	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
51	18 45 59.6	-02 45 23.8	29.8581	-0.0465	G29.862-0.045	29.86-0.05	Image	Descr	12 GHz (II);	99;102	+100.3	14	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
52	18 46 3.8	-02 39 31.5	29.9531	-0.0173	G29.956-0.016	29.95-0.02	Image	Descr	12 GHz (II);	95;98	+96.8	49	PRS	120	+H₂O +CH₃OH I +CH₃OH II	SFR_MIXED		1988 Mar-Apr
53	18 48 12.2	-01 26 28.3	31.2805	0.0625	G31.280+0.062	31.28+0.06	Image		12 GHz (II);	104;114	+110.2	114	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		1988 Mar-Apr
54	18 51 21.5	-00 12 10.7	32.7423	-0.0750	G32.744-0.076	32.74-0.07	Image		12 GHz (II);	29;39	+30.4	10	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
55	18 58 12.3	+01 40 40.5	35.1968	-0.7399	G35.197-0.743	35.19-0.74	Image		12 GHz (II);	26;31	+30.5	44	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		1988 Mar-Apr
56	19 01 45.1	+01 13 36.5	35.2004	-1.7345	G35.200-1.737	35.20-1.73	Image	Descr	12 GHz (II);	40;47	+44.5	-125	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		1988 Mar-Apr
57	19 23 39.9	+14 31 1.1	49.4887	-0.3699	G49.488-0.387	49.49-0.37	Image	Descr	12 GHz (II);	55;58	+56.0	14	PRS	120	+H₂O +CH₃OH I +CH₃OH II +OH -SiO	SFR		1988 Mar-Apr

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

select MAX(met2_data_all.ra_hms) as ra_hms,MAX(met2_data_all.dec_dms) as dec_dms,MAX(met2_data_all.source_name) as source_name,MAX(met2_data_all.ra) as ra,MAX(met2_data_all.dec) as dec,MAX(met2_data_all.l) as l,MAX(met2_data_all.b) as b,MAX(met2_data_all.grp) as grp,MAX(met2_data_all.other_name) as other_name,MAX(met2_data_all.other_desc) as other_desc,BOOL_OR(thermal) as thermal,MAX(met2_data_all.line) as line,MAX(met2_data_all.vrange) as vrange,MAX(met2_data_all.vpeak) as vpeak,MAX(met2_data_all.peak) as peak,MAX(met2_data_all.fwhm) as fwhm,MAX(met2_data_all.int) as int,MAX(met2_data_all.rms) as rms,MAX(met2_data_all.units) as units,MAX(met2_data_all.units_rms) as units_rms,MAX(met2_data_all.date_txt) as date_txt,MAX(met2_data_all.telescope_ref) as telescope_ref,MAX(met2_data_all.telescope_conf) as telescope_conf,MAX(met2_data_all.v_step) as v_step,MAX(met2_data_all.beam) as beam,MAX(met2_data_all.beam_maj) as beam_maj,MAX(met2_data_all.beam_min) as beam_min,MAX(met2_data_all.beam_pa) as beam_pa,MAX(met2_data_all.ref) as ref,MAX(met2_data_all.list_ref) as list_ref,MAX(met2_data_all.ascii) as ascii,MAX(met2_data_all.url) as url,MAX(met2_data_all.image) as image,MAX(met2_data_all.image2) as image2,MAX(met2_data_all.image3) as image3,MAX(met2_data_all.descr) as descr,MAX(met2_data_all.id) as id,BOOL_OR(mjy_flag) as mjy_flag,BOOL_OR(rms_mjy_flag) as rms_mjy_flag,MAX(met2_data_all.dist) as dist,1 as dist_parallax,MAX(met2_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 met2_data_all  LEFT JOIN all_objects_withmet ON met2_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 met2_data_all.line=transitions."Line"  WHERE ref ilike 'CAS93' AND detected=true AND hide=false GROUP BY ref

select met2_data_all.ra_hms,met2_data_all.dec_dms,met2_data_all.source_name,met2_data_all.ra,met2_data_all.dec,met2_data_all.l,met2_data_all.b,met2_data_all.grp,met2_data_all.other_name,met2_data_all.other_desc,met2_data_all.thermal,met2_data_all.line,met2_data_all.vrange,met2_data_all.vpeak,met2_data_all.peak,met2_data_all.fwhm,met2_data_all.int,met2_data_all.rms,met2_data_all.units,met2_data_all.units_rms,met2_data_all.date_txt,met2_data_all.telescope_ref,met2_data_all.telescope_conf,met2_data_all.v_step,met2_data_all.beam,met2_data_all.beam_maj,met2_data_all.beam_min,met2_data_all.beam_pa,met2_data_all.ref,met2_data_all.list_ref,met2_data_all.ascii,met2_data_all.url,met2_data_all.image,met2_data_all.image2,met2_data_all.image3,met2_data_all.descr,met2_data_all.id,met2_data_all.mjy_flag,met2_data_all.rms_mjy_flag,met2_data_all.dist,met2_data_all.dist_parallax,met2_data_all.date_txt,line_det,type,simbad_types_cat FROM met2_data_all   LEFT JOIN all_objects_withmet ON met2_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 met2_data_all.line=transitions."Line"  WHERE ref ilike 'CAS93' AND detected=true AND hide=false ORDER BY detected DESC,id

Display data from paper

CAS93 - Methanol masers at 12 GHz.

View as list of objects

Detection table from Caswell et al. (1993)