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• Target type: Known_Class_II
  Observations category: polarization
  Facility type: single-dish
  Transitions: OH_1612,OH_1665,OH_1667,OH_1720
  

• Abstract

  High sensitivity observations of all four transitions of the ground state 2 Π 3/2 , J = 3/2 of OH in both senses of circular polarization have been carried out with the Nancay radio telescope. The sample was a set of 100 star forming regions detected in a recent unbiased survey of 6668 MHz CH3OH masers. OH maser emission was found in 55 objects of which 31 were not previously catalogued. The 1665 MHz line was seen in almost all OH maser sources and was accompanied by the 1667 MHz line in about 75% of cases. Respectively 7% and 11% of OH 1665 MHz masers were accompanied by maser lines at 1612 and 1720 MHz. These two satellite line masers never occurred simultaneously in the same source nor at the same radial velocity, suggesting mutually exclusive physical conditions as predicted by models. OH maser emission usually shared the same velocity range as the 6668 MHz CH 3 OH maser. The intensity ratio of the 6668 MHz and 1665 MHz lines clearly divides the sample into methanol-and hydroxyl-rich sources and could be controlled by the abundance of maser molecules and the kinetic temperature. The OH maser emission was substantially polarized with a mean fractional circular polarization of 0.30 and Zeeman pair candidates were found in 15 targets. 36 sources were found in OH absorption at the main lines and 24 of them were also accompanied by OH maser emission. OH absorption features were blueshifted with regard to the related OH masers, indicating that they were formed in front of the central continuum sources. Absorption at 1720 MHz was always accompanied by emission at 1612 MHz and vice versa. The behaviour of stimulated emission and absorption in both satellite lines was thus conjugated and the 1720 MHz emission features seem to be signatures of regions of low hydrogen density and OH column density. The correlation of OH and CH 3 OH flux densities with the IRAS flux densities found for our sample appears to support pumping schemes of both molecules by infrared photons. Statistics of masers in the sample appear to be consistent with the scenario that the CH 3 OH masers appeared earlier than the OH masers.

  Comments: This work gives no velocities and no flux densities. vrad and vexp for IRAS 17253-2831 was taken from Zijlstra et al. (2001)

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ID	Obs. RA	Obs. Dec	l	b	Group id	grpv	Source name	Image	Line	Frequency	Vpeak	FWHM	Fpeak	∫F dv	Telescope	Vstep	RMS	Beam	Detection	Class	Dist. (parallax)
	(J2000)	(J2000)	(deg.)	(deg.)					OH	(MHz)	(km/s)	(km/s)	(Jy)	(Jy*km/s)		(km/s)	(Jy)	(arcsec)	Yes/No		(kpc)
1	18 28 10.6	-11 28 46.9	20.0817	-0.1363	G20.081-0.136	G20.0810-0.1358	20.08-0.14	Image	1665 MHz;	1665	46.6	9.5	7.05	11.6	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
2	18 28 10.6	-11 28 46.9	20.0817	-0.1363	G20.081-0.136	G20.0810-0.1358	20.08-0.14	Image	1667 MHz;	1667	47.8	9.5	0.5	0.87	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
3	18 27 44.1	-11 14 53.9	20.2362	0.0672	G20.237+0.065	G20.2369+0.0654	20.24+0.07	Image	1665 MHz;	1665	73.6	9.3	2.36	5.73	Nancay	0.27	0.040	210	+H2O -CH3OH I +CH3OH II +OH	SFR
4	18 27 44.1	-11 14 53.9	20.2362	0.0672	G20.237+0.065	G20.2369+0.0654	20.24+0.07	Image	1667 MHz;	1667	72.8	10.3	0.74	1.11	Nancay	0.27	0.040	210	+H2O -CH3OH I +CH3OH II +OH	SFR
5	18 30 36.5	-10 06 43.9	21.5701	-0.0309	G21.563-0.031	G21.5701-0.0309	21.57-0.03	Image	1665 MHz;	1665	119.9	3.8	0.23	0.38	Nancay	0.27	0.040	210	+H2O -CH3OH I +CH3OH II +OH	SFR
6	18 31 1.9	-09 49 0.8	21.8801	0.0135	G21.880+0.014	G21.8801+0.0138	21.87+0.01	Image	1665 MHz;	1665	22.1	3.5	0.38	0.35	Nancay	0.27	0.040	210	+H2O -CH3OH I +CH3OH II +OH	SFR
	18 31 1.9	-09 49 0.8	21.8801	0.0135	G21.880+0.014	G21.8801+0.0138	21.87+0.01	Image	1665 MHz;	1665	23	11.2	-0.11	-0.62	Nancay	0.27	0.040	210	+H2O -CH3OH I +CH3OH II +OH	SFR
8	18 31 1.9	-09 49 0.8	21.8801	0.0135	G21.880+0.014	G21.8801+0.0138	21.87+0.01	Image	1667 MHz;	1667	23	5.2	-0.13	-0.29	Nancay	0.27	0.040	210	+H2O -CH3OH I +CH3OH II +OH	SFR
9	18 30 35.7	-09 34 26	22.0457	0.2214	G22.039+0.222	G22.0457+0.2213	22.05+0.22	Image	1665 MHz;	1665	51.5	10.4	-0.13	-0.63	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
10	18 30 35.7	-09 34 26	22.0457	0.2214	G22.039+0.222	G22.0457+0.2213	22.05+0.22	Image	1667 MHz;	1667	51.1	8.4	-0.08	-0.4	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
11	18 32 32.1	-09 29 10	22.3447	-0.1621	G22.336-0.155	G22.3447-0.1621	22.34-0.16	Image	1665 MHz;	1665	25.4	1	0.32	0.14	Nancay	0.27	0.040	210	+H2O -CH3OH I +CH3OH II +OH
12	18 31 45.6	-09 22 44	22.3515	0.0569	G22.356+0.066	G22.3501+0.0599	22.35+0.06	Image	1665 MHz;	1665	78	5.7	0.91	0.52	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR_MIXED
13	18 31 45.6	-09 22 44	22.3515	0.0569	G22.356+0.066	G22.3501+0.0599	22.35+0.06	Image	1667 MHz;	1667	83	8.4	0.27	0.61	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR_MIXED
	18 31 45.6	-09 22 44	22.3515	0.0569	G22.356+0.066	G22.3501+0.0599	22.35+0.06	Image	1667 MHz;	1667	82.6	10.6	-0.13	-0.63	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR_MIXED
15	18 32 45.8	-09 24 6.1	22.4456	-0.1731	G22.435-0.169	G22.4456-0.1731	22.45-0.17	Image	1665 MHz;	1665	25.4	11.4	7.82	6.84	Nancay	0.27	0.040	210	+H2O -CH3OH I +CH3OH II +OH	SFR
16	18 32 45.8	-09 24 6.1	22.4456	-0.1731	G22.435-0.169	G22.4456-0.1731	22.45-0.17	Image	1667 MHz;	1667	33.9	10.8	0.17	0.51	Nancay	0.27	0.040	210	+H2O -CH3OH I +CH3OH II +OH	SFR
17	18 34 39.9	-09 00 43.9	23.0076	-0.4099	G23.010-0.410	G23.0097-0.4104	23.01-0.41	Image	1665 MHz;	1665	67.6	15.6	2.74	6.68	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
18	18 34 39.9	-09 00 43.9	23.0076	-0.4099	G23.010-0.410	G23.0097-0.4104	23.01-0.41	Image	1667 MHz;	1667	74.7	16.5	4.46	4.63	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
19	18 34 39.9	-09 00 43.9	23.0076	-0.4099	G23.010-0.410	G23.0097-0.4104	23.01-0.41	Image	1665 MHz;	1665	75.6	10.6	-0.34	-1.96	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
20	18 34 39.9	-09 00 43.9	23.0076	-0.4099	G23.010-0.410	G23.0097-0.4104	23.01-0.41	Image	1667 MHz;	1667	75.9	13	-0.42	-2.49	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
21	18 34 54.5	-08 50 3.8	23.1932	-0.3814	G23.206-0.378	G23.1931-0.3814	23.19-0.38	Image	1665 MHz;	1665	88.9	3.1	1	1.22	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH
22	18 34 54.5	-08 50 3.8	23.1932	-0.3814	G23.206-0.378	G23.1931-0.3814	23.19-0.38	Image	1667 MHz;	1667	89.7	4.4	0.43	0.24	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH
23	18 34 54.5	-08 50 3.8	23.1932	-0.3814	G23.206-0.378	G23.1931-0.3814	23.19-0.38	Image	1665 MHz;	1665	76.8	10.8	-0.52	-2.96	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH
24	18 34 54.5	-08 50 3.8	23.1932	-0.3814	G23.206-0.378	G23.1931-0.3814	23.19-0.38	Image	1667 MHz;	1667	76.8	14.5	-0.62	-4.29	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH
25	18 34 30.8	-08 42 42.1	23.2571	-0.2382	G23.257-0.240	G23.2571-0.2402	23.26-0.24	Image	1665 MHz;	1665	56	13.6	0.92	1.29	Nancay	0.27	0.040	210	+H2O +CH3OH II +OH	SFR
26	18 34 30.8	-08 42 42.1	23.2571	-0.2382	G23.257-0.240	G23.2571-0.2402	23.26-0.24	Image	1667 MHz;	1667	54.8	21	1.57	1.15	Nancay	0.27	0.040	210	+H2O +CH3OH II +OH	SFR
27	18 34 30.8	-08 42 42.1	23.2571	-0.2382	G23.257-0.240	G23.2571-0.2402	23.26-0.24	Image	1665 MHz;	1665	61.5	11	-0.29	-1.51	Nancay	0.27	0.040	210	+H2O +CH3OH II +OH	SFR
28	18 34 30.8	-08 42 42.1	23.2571	-0.2382	G23.257-0.240	G23.2571-0.2402	23.26-0.24	Image	1667 MHz;	1667	59	21	-0.35	-3.47	Nancay	0.27	0.040	210	+H2O +CH3OH II +OH	SFR
29	18 33 13.1	-08 23 56	23.3871	0.1900	G23.389+0.185	G23.3871+0.1900	23.39+0.19	Image	1665 MHz;	1665	73.5	6	0.34	0.61	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
30	18 33 13.1	-08 23 56	23.3871	0.1900	G23.389+0.185	G23.3871+0.1900	23.39+0.19	Image	1667 MHz;	1667	74.4	0.9	0.32	0.14	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
31	18 34 39	-08 31 36.1	23.4369	-0.1830	G23.437-0.183	G23.4369-0.1831	23.44-0.18	Image	1665 MHz;	1665	106.1	20.5	7.91	9.66	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
32	18 34 39	-08 31 36.1	23.4369	-0.1830	G23.437-0.183	G23.4369-0.1831	23.44-0.18	Image	1667 MHz;	1667	103.3	21	1.43	4.39	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
33	18 34 39	-08 31 36.1	23.4369	-0.1830	G23.437-0.183	G23.4369-0.1831	23.44-0.18	Image	1665 MHz;	1665	98.3	12.6	-0.86	-4.6	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
34	18 34 39	-08 31 36.1	23.4369	-0.1830	G23.437-0.183	G23.4369-0.1831	23.44-0.18	Image	1667 MHz;	1667	98.8	12	-1.31	-6.76	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
35	18 33 47.4	-08 21 37.1	23.4865	0.0824	G23.484+0.092	G23.4866+0.0824	23.49+0.08	Image	1665 MHz;	1665	98.5	1.4	0.35	0.15	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH
36	18 33 47.4	-08 21 37.1	23.4865	0.0824	G23.484+0.092	G23.4866+0.0824	23.49+0.08	Image	1667 MHz;	1667	88.8	0.9	0.2	0.09	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH
37	18 33 47.4	-08 21 37.1	23.4865	0.0824	G23.484+0.092	G23.4866+0.0824	23.49+0.08	Image	1665 MHz;	1665	86.7	16.2	-0.22	-1.74	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH
38	18 33 47.4	-08 21 37.1	23.4865	0.0824	G23.484+0.092	G23.4866+0.0824	23.49+0.08	Image	1667 MHz;	1667	87.1	20.4	-0.23	-2.48	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH
39	18 34 51.7	-08 18 15.8	23.6583	-0.1271	G23.657-0.127	G23.6567-0.1273	23.66-0.13	Image	1665 MHz;	1665	79.8	12.3	-0.17	-1.29	Nancay	0.27	0.040	210	-H2O -CH3OH I +CH3OH II +OH -SiO	SFR
40	18 34 51.7	-08 18 15.8	23.6583	-0.1271	G23.657-0.127	G23.6567-0.1273	23.66-0.13	Image	1667 MHz;	1667	79.6	11.2	-0.25	-1.45	Nancay	0.27	0.040	210	-H2O -CH3OH I +CH3OH II +OH -SiO	SFR
41	18 35 22.9	-08 01 10.9	23.9703	-0.1103	G23.967-0.110	G23.9665-0.1100	23.97-0.11	Image	1665 MHz;	1665	72.5	7.2	0.29	0.34	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR_MIXED
42	18 35 22.9	-08 01 10.9	23.9703	-0.1103	G23.967-0.110	G23.9665-0.1100	23.97-0.11	Image	1667 MHz;	1667	65.8	2.2	0.44	0.34	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR_MIXED
43	18 35 20.8	-07 48 47.9	24.1496	-0.0076	G24.148-0.009	G24.1480-0.0091	24.15-0.01	Image	1665 MHz;	1665	20.3	8.8	0.8	1.59	Nancay	0.27	0.040	210	+H2O -CH3OH I +CH3OH II +OH	SFR
44	18 35 9.4	-07 34 58.1	24.3325	0.1403	G24.329+0.144	G24.3287+0.1441	24.33+0.14	Image	1665 MHz;	1665	113	20.6	-0.23	-2.11	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
45	18 35 9.4	-07 34 58.1	24.3325	0.1403	G24.329+0.144	G24.3287+0.1441	24.33+0.14	Image	1667 MHz;	1667	112.3	22.4	-0.17	-2.21	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
46	18 36 8.7	-07 30 55.1	24.5051	-0.0461	G24.494-0.040	G24.5051-0.0461	24.51-0.05	Image	1665 MHz;	1665	108.7	2.9	1.5	1.17	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
47	18 36 8.7	-07 30 55.1	24.5051	-0.0461	G24.494-0.040	G24.5051-0.0461	24.51-0.05	Image	1667 MHz;	1667	116.3	9.9	1.21	2.01	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
48	18 36 8.7	-07 30 55.1	24.5051	-0.0461	G24.494-0.040	G24.5051-0.0461	24.51-0.05	Image	1665 MHz;	1665	109.2	11.7	-0.11	-0.57	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
49	18 36 8.7	-07 30 55.1	24.5051	-0.0461	G24.494-0.040	G24.5051-0.0461	24.51-0.05	Image	1667 MHz;	1667	109.2	14.3	-0.24	-1.45	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
50	18 34 53	-07 19 10.9	24.5349	0.3216	G24.535+0.322	G24.5348+0.3216	24.53+0.32	Image	1665 MHz;	1665	111.2	24.6	-0.18	-2.48	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR_MIXED
51	18 27 44.1	-11 14 53.9	20.2362	0.0672	G20.237+0.065	G20.2369+0.0654	20.24+0.07	Image	1720 MHz;	1720	75.2	2.2	0.62	0.56	Nancay	0.27	0.040	210	+H2O -CH3OH I +CH3OH II +OH	SFR
52	18 30 36.5	-10 06 43.9	21.5701	-0.0309	G21.563-0.031	G21.5701-0.0309	21.57-0.03	Image	1612 MHz;	1612	113.9	5.9	0.12	0.28	Nancay	0.27	0.040	210	+H2O -CH3OH I +CH3OH II +OH	SFR
53	18 31 1.9	-09 49 0.8	21.8801	0.0135	G21.880+0.014	G21.8801+0.0138	21.87+0.01	Image	1612 MHz;	1612	23.8	3.9	0.2	0.31	Nancay	0.27	0.040	210	+H2O -CH3OH I +CH3OH II +OH	SFR
54	18 31 1.9	-09 49 0.8	21.8801	0.0135	G21.880+0.014	G21.8801+0.0138	21.87+0.01	Image	1720 MHz;	1720	23	7.1	-0.09	-0.24	Nancay	0.27	0.040	210	+H2O -CH3OH I +CH3OH II +OH	SFR
55	18 34 39.9	-09 00 43.9	23.0076	-0.4099	G23.010-0.410	G23.0097-0.4104	23.01-0.41	Image	1612 MHz;	1612	78.2	6	0.2	0.54	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
56	18 34 39.9	-09 00 43.9	23.0076	-0.4099	G23.010-0.410	G23.0097-0.4104	23.01-0.41	Image	1720 MHz;	1720	78.3	12	-0.17	-0.46	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
57	18 34 54.5	-08 50 3.8	23.1932	-0.3814	G23.206-0.378	G23.1931-0.3814	23.19-0.38	Image	1612 MHz;	1612	75.2	6.7	-0.25	-0.91	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH
58	18 34 54.5	-08 50 3.8	23.1932	-0.3814	G23.206-0.378	G23.1931-0.3814	23.19-0.38	Image	1720 MHz;	1720	74.9	4	0.1	0.32	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH
59	18 34 54.5	-08 50 3.8	23.1932	-0.3814	G23.206-0.378	G23.1931-0.3814	23.19-0.38	Image	1612 MHz;	1612	78.3	4.5	0.31	0.74	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH
60	18 34 54.5	-08 50 3.8	23.1932	-0.3814	G23.206-0.378	G23.1931-0.3814	23.19-0.38	Image	1720 MHz;	1720	73	5	-0.32	-0.75	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH
61	18 33 13.1	-08 23 56	23.3871	0.1900	G23.389+0.185	G23.3871+0.1900	23.39+0.19	Image	1612 MHz;	1612	75.3	12	0.24	1.15	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
62	18 34 39	-08 31 36.1	23.4369	-0.1830	G23.437-0.183	G23.4369-0.1831	23.44-0.18	Image	1612 MHz;	1612	96.3	9.3	-0.43	-1.79	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
63	18 34 39	-08 31 36.1	23.4369	-0.1830	G23.437-0.183	G23.4369-0.1831	23.44-0.18	Image	1720 MHz;	1720	95.7	4.2	0.29	0.6	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
64	18 34 39	-08 31 36.1	23.4369	-0.1830	G23.437-0.183	G23.4369-0.1831	23.44-0.18	Image	1612 MHz;	1612	103.3	6.2	0.19	0.59	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
65	18 34 39	-08 31 36.1	23.4369	-0.1830	G23.437-0.183	G23.4369-0.1831	23.44-0.18	Image	1720 MHz;	1720	101.4	9.8	-0.22	-1.09	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
66	18 35 22.9	-08 01 10.9	23.9703	-0.1103	G23.967-0.110	G23.9665-0.1100	23.97-0.11	Image	1612 MHz;	1612	76.3	6	0.2	0.5	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR_MIXED
67	18 35 9.4	-07 34 58.1	24.3325	0.1403	G24.329+0.144	G24.3287+0.1441	24.33+0.14	Image	1612 MHz;	1612	113.2	15.4	-0.23	-1.47	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
68	18 35 9.4	-07 34 58.1	24.3325	0.1403	G24.329+0.144	G24.3287+0.1441	24.33+0.14	Image	1720 MHz;	1720	112.9	14.5	0.19	1.19	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
69	18 36 8.7	-07 30 55.1	24.5051	-0.0461	G24.494-0.040	G24.5051-0.0461	24.51-0.05	Image	1612 MHz;	1612	110.7	6.4	0.13	0.32	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
70	18 36 8.7	-07 30 55.1	24.5051	-0.0461	G24.494-0.040	G24.5051-0.0461	24.51-0.05	Image	1720 MHz;	1720	110.7	6.4	-0.1	-0.26	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
71	18 34 53	-07 19 10.9	24.5349	0.3216	G24.535+0.322	G24.5348+0.3216	24.53+0.32	Image	1612 MHz;	1612	112.4	15.5	-0.26	-1.71	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR_MIXED
72	18 34 53	-07 19 10.9	24.5349	0.3216	G24.535+0.322	G24.5348+0.3216	24.53+0.32	Image	1720 MHz;	1720	112.6	16.3	0.21	1.36	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR_MIXED
73	18 37 25.2	-07 31 53	24.6360	-0.3342	G24.634-0.324	G24.6360-0.3342	24.64-0.33	Image	1612 MHz;	1612	43.1	6.2	0.15	0.53	Nancay	0.27	0.040	210	-H2O -CH3OH I +CH3OH II +OH	SFR
74	18 37 25.2	-07 31 53	24.6360	-0.3342	G24.634-0.324	G24.6360-0.3342	24.64-0.33	Image	1720 MHz;	1720	43	6.1	-0.17	-0.37	Nancay	0.27	0.040	210	-H2O -CH3OH I +CH3OH II +OH	SFR
75	18 36 11.9	-07 12 10.1	24.7887	0.0858	G24.790+0.084	G24.7898+0.0834	24.79+0.09	Image	1612 MHz;	1612	110.4	12	0.4	1.87	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
76	18 36 11.9	-07 12 10.1	24.7887	0.0858	G24.790+0.084	G24.7898+0.0834	24.79+0.09	Image	1720 MHz;	1720	109.7	10.5	-0.29	-1.29	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
77	18 37 18.3	-06 38 38.4	25.4113	0.0985	G25.411+0.105	G25.4113+0.0987	25.40+0.11	Image	1612 MHz;	1612	95.5	4.4	0.3	0.52	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II	SFR
78	18 42 40.9	-04 15 25.9	28.1458	0.0030	G28.147-0.004	G28.1458+0.0030	28.15+0.00	Image	1720 MHz;	1720	102.2	1.5	0.71	0.26	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
79	18 42 40.9	-04 15 25.9	28.1458	0.0030	G28.147-0.004	G28.1458+0.0030	28.15+0.00	Image	1612 MHz;	1612	98.4	4.1	0.1	0.14	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
80	18 42 40.9	-04 15 25.9	28.1458	0.0030	G28.147-0.004	G28.1458+0.0030	28.15+0.00	Image	1720 MHz;	1720	98.3	6.1	-0.1	-0.27	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
81	18 42 57.8	-04 14 21.1	28.1939	-0.0512	G28.200-0.050	G28.1939-0.0512	28.19-0.05	Image	1612 MHz;	1612	96.6	10.6	0.37	1.62	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
82	18 42 57.8	-04 14 21.1	28.1939	-0.0512	G28.200-0.050	G28.1939-0.0512	28.19-0.05	Image	1720 MHz;	1720	97.6	7.8	-0.19	-0.62	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
83	18 44 24.5	-04 17 44.5	28.3082	-0.3974	G28.295-0.377	G28.3082-0.3976	28.31-0.40	Image	1612 MHz;	1612	82.8	3.7	0.1	0.16	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
84	18 44 24.5	-04 17 44.5	28.3082	-0.3974	G28.295-0.377	G28.3082-0.3976	28.31-0.40	Image	1720 MHz;	1720	83.7	10.2	-0.1	-0.37	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
85	18 42 54.5	-04 00 04	28.3994	0.0698	G28.398+0.076	G28.3994+0.0698	28.40+0.07	Image	1612 MHz;	1612	73	1.7	0.45	0.18	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH -SiO	SFR
	18 42 54.5	-04 00 04	28.3994	0.0698	G28.398+0.076	G28.3994+0.0698	28.40+0.07	Image	1612 MHz;	1612	78.2	16	-0.96	-6.07	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH -SiO	SFR
87	18 42 54.5	-04 00 04	28.3994	0.0698	G28.398+0.076	G28.3994+0.0698	28.40+0.07	Image	1720 MHz;	1720	77.7	15.2	0.65	3.78	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH -SiO	SFR
88	18 44 50	-03 45 23	28.8364	-0.2455	G28.832-0.253	G28.8365-0.2455	28.84-0.25	Image	1612 MHz;	1612	87.8	9.5	0.25	2.39	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
89	18 44 50	-03 45 23	28.8364	-0.2455	G28.832-0.253	G28.8365-0.2455	28.84-0.25	Image	1720 MHz;	1720	88	12.1	-0.17	-0.81	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
90	18 45 59.9	-02 45 11.9	29.8617	-0.0462	G29.862-0.044	G29.8624-0.0442	29.86-0.05	Image	1612 MHz;	1612	100.6	7	0.14	0.47	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
91	18 45 59.9	-02 45 11.9	29.8617	-0.0462	G29.862-0.044	G29.8624-0.0442	29.86-0.05	Image	1720 MHz;	1720	100.6	7.9	-0.15	-0.56	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
92	18 46 11.4	-02 39 14	29.9720	-0.0434	G29.978-0.047	G29.9780-0.0474	29.97-0.04	Image	1612 MHz;	1612	101.5	7.6	0.56	1.71	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	GALAXY
93	18 46 11.4	-02 39 14	29.9720	-0.0434	G29.978-0.047	G29.9780-0.0474	29.97-0.04	Image	1720 MHz;	1720	101.1	7.8	-0.5	-1.69	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	GALAXY
94	18 47 38.9	-01 57 24.8	30.7584	-0.0495	G30.760-0.050	G30.7600-0.0509	30.76-0.05	Image	1612 MHz;	1612	91.2	9.5	-3	-33.44	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
95	18 47 38.9	-01 57 24.8	30.7584	-0.0495	G30.760-0.050	G30.7600-0.0509	30.76-0.05	Image	1720 MHz;	1720	90.3	8.3	1.55	18.47	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
96	18 47 38.9	-01 57 24.8	30.7584	-0.0495	G30.760-0.050	G30.7600-0.0509	30.76-0.05	Image	1612 MHz;	1612	96	7.8	2.9	27.56	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
97	18 47 38.9	-01 57 24.8	30.7584	-0.0495	G30.760-0.050	G30.7600-0.0509	30.76-0.05	Image	1720 MHz;	1720	95.5	9	-2.6	-24.17	Nancay	0.27	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR
98	18 46 36.4	-01 45 24.1	30.8178	0.2734	G30.819+0.273	G30.8185+0.2730	30.82+0.27	Image	1720 MHz;	1720	103.1	3.4	0.34	0.76	Nancay	0.27	0.040	210	+H2O -CH3OH I +CH3OH II +OH	SFR
99	18 46 36.4	-01 45 24.1	30.8178	0.2734	G30.819+0.273	G30.8185+0.2730	30.82+0.27	Image	1612 MHz;	1612	99	15.8	0.22	1.5	Nancay	0.27	0.040	210	+H2O -CH3OH I +CH3OH II +OH	SFR
100	18 46 36.4	-01 45 24.1	30.8178	0.2734	G30.819+0.273	G30.8185+0.2730	30.82+0.27	Image	1720 MHz;	1720	98.6	15.9	-0.31	-3.08	Nancay	0.27	0.040	210	+H2O -CH3OH I +CH3OH II +OH	SFR

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ID	Obs. RA	Obs. Dec	l	b	Group id	grpv	Source name	Telescope	RMS	Beam	Detection	Class	Date
	(J2000)	(J2000)	(deg.)	(deg.)					(Jy)	(arcsec)	Yes/No
1	18 31 6.3	-10 21 37.1	21.4067	-0.2540	G21.407-0.254	G21.4068-0.2542	21.41-0.25	Nancay	0.040	210	+H2O +CH3OH II -OH	UNK	06.10.2001
2	18 36 17.2	-07 09 1.1	24.8454	0.0905	G24.850+0.087	G24.8455+0.0906	24.85+0.09	Nancay	0.040	210	+H2O -CH3OH I +CH3OH II -OH	SFR	07.02.2002
3	18 36 29.2	-07 05 4.9	24.9265	0.0766	G24.943+0.074	G24.9265+0.0766	24.93+0.08	Nancay	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR	02.02.2002
4	18 40 38.5	-05 43 36.8	26.6066	-0.2179	G26.602-0.220	G26.6066-0.2179	26.60-0.24	Nancay	0.040	210	-H2O +CH3OH I +CH3OH II +OH	SFR_MIXED	16.11.2001
5	18 40 3.8	-04 58 9.1	27.2141	0.2573	G27.220+0.260	G27.2142+0.2572	27.21+0.26	Nancay	0.040	210	+H2O +CH3OH II -OH	SFR_MIXED	09.11.2001
6	18 41 50.6	-05 01 46.9	27.3633	-0.1646	G27.365-0.166	G27.3651-0.1659	27.36-0.16	Nancay	0.040	210	+H2O +CH3OH I +CH3OH II +OH		21.11.2001
7	18 41 47.5	-04 33 11.2	27.7812	0.0649	G27.784+0.057	G27.7812+0.0649	27.78+0.07	Nancay	0.040	210	+H2O -CH3OH I +CH3OH II -OH	SFR_MIXED	11.10.2001
8	18 42 57.7	-03 51 59	28.5253	0.1196	G28.525+0.127	G28.5253+0.1195	28.53+0.12	Nancay	0.040	210	+H2O -CH3OH I +CH3OH II -OH	SFR	20.11.2001
9	18 42 13.6	-03 35 7.1	28.6915	0.4111	G28.700+0.406	G28.6915+0.4112	28.69+0.41	Nancay	0.040	210	-H2O +CH3OH I +CH3OH II -OH	SFR	20.11.2001
10	18 44 47.6	-03 44 48.8	28.8403	-0.2322	G28.832-0.253	G28.8403-0.2323	28.84-0.23	Nancay	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR	24.11.2001
11	18 42 12.8	-03 24 25.9	28.8483	0.4956	G28.842+0.494	G28.8427+0.4938	28.85+0.50	Nancay	0.040	210	+H2O -CH3OH I +CH3OH II -OH	SFR	24.11.2001
12	18 45 23.1	-03 17 22.9	29.3145	-0.1548	G29.320-0.162	G29.3145-0.1549	29.31-0.15	Nancay	0.040	210	+H2O -CH3OH I +CH3OH II -OH	SFR	25.11.2001
13	18 46 3.6	-02 39 24.1	29.9546	-0.0158	G29.956-0.016	G29.9556-0.0161	29.95-0.02	Nancay	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR_MIXED	29.11.2001
14	18 47 9.8	-02 29 38	30.2252	-0.1867	G30.198-0.169	G30.2253-0.1867	30.22-0.19	Nancay	0.040	210	+H2O -CH3OH I +CH3OH II +OH		30.11.2001
15	18 46 23.7	-02 17 56	30.3112	0.0731	G30.317+0.070	G30.3112+0.0731	30.31+0.07	Nancay	0.040	210	+H2O +CH3OH II -OH	SFR_MIXED	30.11.2001
16	18 47 51.2	-02 23 15	30.3986	-0.2915	G30.400-0.296	G30.3986-0.2915	30.40-0.29	Nancay	0.040	210	+H2O +CH3OH I +CH3OH II -OH	SFR	05.12.2001
17	18 47 37.2	-02 08 46	30.5868	-0.1295	G30.587-0.130	G30.5868-0.1295	30.59-0.13	Nancay	0.040	210	-H2O -CH3OH I +CH3OH II -OH	SFR	07.02.2002
18	18 47 36.7	-02 00 51.1	30.7032	-0.0675	G30.702-0.068	G30.7025-0.0681	30.70-0.07	Nancay	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR	11.03.2002
19	18 46 41.6	-01 48 31	30.7815	0.2305	G30.781+0.231	G30.7810+0.2306	30.78+0.23	Nancay	0.040	210	+H2O -CH3OH I +CH3OH II -OH	SFR	13.12.2001
20	18 48 19.7	-01 48 59	30.9609	-0.1366	G30.972-0.141	G30.9609-0.1366	30.96-0.14	Nancay	0.040	210	+H2O +CH3OH I +CH3OH II -OH	SFR	02.02.2002
21	18 53 26.9	+00 39 1.1	33.7399	-0.1508	G33.740-0.151	G33.7398-0.1508	33.74-0.15	Nancay	0.040	210	+CH3OH II -OH	UNK	11.01.2002
22	18 53 5.2	+00 49 36.1	33.8556	0.0101	G33.852+0.018	G33.8556+0.0101	33.86+0.01	Nancay	0.040	210	+CH3OH I +CH3OH II +OH	SFR	11.01.2002
23	18 53 24.1	+00 55 13.1	33.9748	-0.0172	G33.980-0.019	G33.9748-0.0173	33.97-0.02	Nancay	0.040	210	+H2O +CH3OH II -OH	SFR	15.12.2001
24	18 53 31.9	+01 02 26.2	34.0967	0.0087	G34.096+0.017	G34.0967+0.0087	34.10+0.01	Nancay	0.040	210	+H2O -CH3OH I +CH3OH II -OH	SFR	15.12.2001
25	18 53 21.4	+01 13 43	34.2441	0.1333	G34.257+0.153	G34.2443+0.1334	34.24+0.13	Nancay	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR_MIXED	05.01.2002
26	18 53 21.5	+01 24 09	34.3990	0.2123	G34.403+0.232	G34.3990+0.2123	34.40+0.21	Nancay	0.040	210	+H2O +CH3OH I +CH3OH II +OH	SFR	06.01.2002
27	18 55 3.4	+01 34 17	34.7429	-0.0884	G34.751-0.093	G34.7429-0.0884	34.74-0.09	Nancay	0.040	210	+H2O -CH3OH I +CH3OH II -OH	SFR	06.01.2002
28	19 00 6.7	+03 59 26.9	37.4717	-0.1065	G37.479-0.105	G37.4717-0.1065	37.47-0.11	Nancay	0.040	210	+H2O +CH3OH I +CH3OH II -OH	SFR	11.10.2001
29	19 00 14.4	+04 02 35.2	37.5329	-0.1110	G37.546-0.112	G37.5328-0.1110	37.53-0.11	Nancay	0.040	210	+H2O -CH3OH I +CH3OH II -OH	SFR	17.10.2001
30	18 58 28.5	+04 20 34.1	37.5983	0.4174	G37.598+0.425	G37.5983+0.4174	37.60+0.42	Nancay	0.040	210	+H2O +CH3OH I +CH3OH II -OH	SFR	25.01.2002
31	19 01 47.6	+04 30 32	38.1242	-0.2422	G38.119-0.229	G38.1242-0.2423	38.12-0.24	Nancay	0.040	210	-H2O -CH3OH I +CH3OH II -OH	SFR_MIXED	16.12.2001

X

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