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BEU19 - OH maser emission in the THOR survey of the northern Milky Way

Short title: Beuther et al. (2019)
Authors: Beuther, H.Walsh, A.Wang, Y.Rugel, M.Soler, J.Linz, H.Klessen, R. S.Anderson, L. D.Urquhart, J. S.Glover, S. C. O.Billington, S. J.Kainulainen, J.Menten, K. M.Roy, N.Longmore, S. N.Bigiel, F.
Journal: Astronomy & Astrophysics, Volume 628, id.A90, 80 pp.
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Target type: Blind
Transitions: OH_1612,OH_1665,OH_1667,OH_1720

Abstract
Context. OH masers trace diverse physical processes, from the expanding envelopes around evolved stars to star-forming regions or supernovae remnants. Providing a survey of the ground-state OH maser transitions in the northern hemisphere inner Milky Way facilitates the study of a broad range of scientific topics. Aims: We want to identify the ground-state OH masers at 𒴾 cm wavelength in the area covered by The HI/OH/Recombination line survey of the Milky Way (THOR). We will present a catalogue of all OH maser features and their possible associated environments. Methods: The THOR survey covers longitude and latitude ranges of 14.�3 < l < 66.�8 and b < � 1.�25. All OH ground state lines 2⑃/2 (J = 3/2) at 1612 (F = 1-2), 1665 (F = 1-1), 1667 (F = 2-2) and 1720 MHz (F = 2-1) have been observed, employing the Very Large Array (VLA) in its C configuration. The spatial resolution of the data varies between 12.5″ and 19″, the spectral resolution is 1.5 km s-1, and the rms sensitivity of the data is 𒴶 mJy beam-1 per channel. Results: We identify 1585 individual maser spots (corresponding to single spectral features) distributed over 807 maser sites (regions of size 򼐟 - 104 AU). Based on different criteria from spectral profiles to literature comparison, we try to associate the maser sites with astrophysical source types. Approximately 51% of the sites exhibit the double-horned 1612 MHz spectra typically emitted from the expanding shells of evolved stars. The separations of the two main velocity features of the expanding shells typically vary between 22 and 38 km s-1. In addition to this, at least 20% of the maser sites are associated with star-forming regions. While the largest fraction of 1720 MHz maser spots (21 out of 53) is associated with supernova remnants, a significant fraction of the 1720 MHz maser spots (17) are also associated with star-forming regions. We present comparisons to the thermal 13CO(1-0) emission as well as to other surveys of class II CH3OH and H2O maser emission. The catalogue attempts to present associations to astrophysical sources where available, and the full catalogue is available in electronic form. Conclusions: This OH maser catalogue presents a unique resource of stellar and interstellar masers in the northern hemisphere. It provides the basis for a diverse range of follow-up studies from envelopes around evolved stars to star-forming regions and Supernova remnants. Full Table 1 is only available at the CDS via anonymous ftp to http://cdsarc.u-strasbg.fr (ftp://130.79.128.5) or via http://cdsarc.u-strasbg.fr/viz-bin/qcat?J/A+A/628/A90

Abstract

Context. OH masers trace diverse physical processes, from the expanding envelopes around evolved stars to star-forming regions or supernovae remnants. Providing a survey of the ground-state OH maser transitions in the northern hemisphere inner Milky Way facilitates the study of a broad range of scientific topics. Aims: We want to identify the ground-state OH masers at 𒴾 cm wavelength in the area covered by The HI/OH/Recombination line survey of the Milky Way (THOR). We will present a catalogue of all OH maser features and their possible associated environments. Methods: The THOR survey covers longitude and latitude ranges of 14.�3 < l < 66.�8 and b < � 1.�25. All OH ground state lines 2⑃/2 (J = 3/2) at 1612 (F = 1-2), 1665 (F = 1-1), 1667 (F = 2-2) and 1720 MHz (F = 2-1) have been observed, employing the Very Large Array (VLA) in its C configuration. The spatial resolution of the data varies between 12.5″ and 19″, the spectral resolution is 1.5 km s-1, and the rms sensitivity of the data is 𒴶 mJy beam-1 per channel. Results: We identify 1585 individual maser spots (corresponding to single spectral features) distributed over 807 maser sites (regions of size 򼐟 - 104 AU). Based on different criteria from spectral profiles to literature comparison, we try to associate the maser sites with astrophysical source types. Approximately 51% of the sites exhibit the double-horned 1612 MHz spectra typically emitted from the expanding shells of evolved stars. The separations of the two main velocity features of the expanding shells typically vary between 22 and 38 km s-1. In addition to this, at least 20% of the maser sites are associated with star-forming regions. While the largest fraction of 1720 MHz maser spots (21 out of 53) is associated with supernova remnants, a significant fraction of the 1720 MHz maser spots (17) are also associated with star-forming regions. We present comparisons to the thermal 13CO(1-0) emission as well as to other surveys of class II CH3OH and H2O maser emission. The catalogue attempts to present associations to astrophysical sources where available, and the full catalogue is available in electronic form. Conclusions: This OH maser catalogue presents a unique resource of stellar and interstellar masers in the northern hemisphere. It provides the basis for a diverse range of follow-up studies from envelopes around evolved stars to star-forming regions and Supernova remnants. Full Table 1 is only available at the CDS via anonymous ftp to (ftp://130.79.128.5) or via

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Detection table from Beuther et al. (2019)

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ID	Obs. RA	Obs. Dec	l	b	Group id	grpv	Source name	Other name	Line	Frequency	V_range	V_peak	F_peak	∫F dv	Telescope	RMS	Beam	Detection	Class	Dist. (parallax)
	(J2000)	(J2000)	(deg.)	(deg.)				Assoc	OH	(MHz)	(km/s)	(km/s)	(Jy)	(Jy*km/s)		(Jy)	(arcsec)	Yes/No		(kpc)
1	18 16 43.7	-16 27 3.3	14.3889	-0.0205	G14.390-0.020	G14.3895-0.0203	G14.389-0.020-1665A	SF-Sim; MMB; rc	1665 MHz;	1665	23.25;24.75	24.0	0.073 (0.003)	0.111	NRAOVLA	0.003	19	-H₂O +CH₃OH II +OH	SFR
2	18 16 51.5	-16 25 12	14.4309	-0.0331	G14.431-0.033	G14.4309-0.0329	G14.431-0.033-1612A	ES-D; BS	1612 MHz;	1612	27.75;35.25	33.0	0.366 (0.008)	1.977	NRAOVLA	0.008	19	+OH -SiO	SFR_MIXED
3	18 16 51.5	-16 25 11.6	14.4310	-0.0331	G14.431-0.033	G14.4309-0.0329	G14.431-0.033-1612B		1612 MHz;	1612	38.25;44.25	39.0	0.66 (0.008)	2.042	NRAOVLA	0.008	19	+OH -SiO	SFR_MIXED
4	18 16 44.1	-16 22 37	14.4547	0.0134	G14.455+0.013	G14.4547+0.0134	G14.455+0.014-1612A	ES-D; BS	1612 MHz;	1612	80.25;83.25	82.5	0.104 (0.005)	0.139	NRAOVLA	0.005	19	+OH	EVOLVED
5	18 16 44.1	-16 22 37.8	14.4544	0.0134	G14.455+0.013	G14.4547+0.0134	G14.455+0.014-1612B		1612 MHz;	1612	114.75;116.25	115.5	0.067 (0.005)	0.099	NRAOVLA	0.005	19	+OH	EVOLVED
6	18 13 53.6	-15 59 15.8	14.4715	0.7987	G14.471+0.799	G14.4715+0.7987	G14.471+0.799-1612A	Star-Sim	1612 MHz;	1612	51.75;56.25	54.0	0.055 (0.004)	0.175	NRAOVLA	0.004	19	+OH	EVOLVED
7	18 13 18.5	-15 52 27.1	14.5039	0.9763	G14.504+0.976	G14.5039+0.9763	G14.504+0.976-1612A	U	1612 MHz;	1612	17.25;26.25	19.5	0.803 (0.006)	2.691	NRAOVLA	0.006	19	+OH	EVOLVED
8	18 16 20.9	-16 14 24.5	14.5308	0.1602	G14.521+0.155	G14.5307+0.1602	G14.530+0.160-1612A	Star-Sim	1612 MHz;	1612	81.75;84.75	84.0	0.39 (0.005)	0.965	NRAOVLA	0.005	19	-H₂O +CH₃OH II +OH	SFR
9	18 16 20.8	-16 14 25.5	14.5305	0.1602	G14.521+0.155	G14.5307+0.1602	G14.530+0.160-1665A		1665 MHz;	1665	72.75;75.75	73.5	0.08 (0.004)	0.21	NRAOVLA	0.004	19	-H₂O +CH₃OH II +OH	SFR
10	18 17 0.7	-16 18 1.1	14.5536	-0.0086	G14.554-0.009	G14.5536-0.0086	G14.554-0.008-1612A	ES-D; BS	1612 MHz;	1612	17.25;21.75	19.5	0.435 (0.006)	0.879	NRAOVLA	0.006	19	+OH	SFR_MIXED
11	18 17 0.7	-16 18 01	14.5537	-0.0087	G14.554-0.009	G14.5536-0.0086	G14.554-0.008-1612B		1612 MHz;	1612	44.25;53.25	51.0	0.894 (0.006)	1.912	NRAOVLA	0.006	19	+OH	SFR_MIXED
12	18 20 16	-16 41 3.8	14.5847	-0.8778	G14.585-0.878	G14.5847-0.8779	G14.585-0.878-1612A	ES-D; BS	1612 MHz;	1612	54.75;57.75	57.0	0.366 (0.008)	0.989	NRAOVLA	0.008	19	+OH +SiO	SFR_MIXED
13	18 20 16	-16 41 4.2	14.5846	-0.8779	G14.585-0.878	G14.5847-0.8779	G14.585-0.878-1612B		1612 MHz;	1612	84.75;95.25	94.5	0.452 (0.008)	1.684	NRAOVLA	0.008	19	+OH +SiO	SFR_MIXED
14	18 16 59.9	-16 14 49.5	14.5990	0.0194	G14.604+0.016	G14.5990+0.0194	G14.599+0.020-1665A	SF-Sim; rc	1665 MHz;	1665	27.75;30.75	28.5	0.157 (0.005)	0.436	NRAOVLA	0.005	19	+H₂O +CH₃OH I +CH₃OH II +OH	SFR
15	18 17 1.1	-16 14 38.7	14.6039	0.0166	G14.604+0.016	G14.6043+0.0164	G14.604+0.017-1612A	SF-Sim; MMB; HOPS	1612 MHz;	1612	26.25;30.75	28.5	0.598 (0.008)	1.089	NRAOVLA	0.008	19	+H₂O +CH₃OH I +CH₃OH II +OH	SFR
16	18 17 1.2	-16 14 38.7	14.6040	0.0165	G14.604+0.016	G14.6043+0.0164	G14.604+0.017-1665A		1665 MHz;	1665	26.25;29.25	27.0	0.542 (0.005)	1.028	NRAOVLA	0.005	19	+H₂O +CH₃OH I +CH₃OH II +OH	SFR
17	18 17 3.2	-16 14 43.1	14.6068	0.0087	G14.604+0.016	G14.6043+0.0164	G14.607+0.009-1665A	U; HOPS	1665 MHz;	1665	29.25;32.25	30.0	0.104 (0.004)	0.104	NRAOVLA	0.004	19	+H₂O +CH₃OH I +CH₃OH II +OH	SFR
18	18 17 2.7	-16 14 28.3	14.6096	0.0123	G14.604+0.016	G14.6043+0.0164	G14.610+0.012-1665A	U	1665 MHz;	1665	23.25;27.75	25.5	0.487 (0.005)	1.246	NRAOVLA	0.005	19	+H₂O +CH₃OH I +CH₃OH II +OH	SFR
19	18 14 36.8	-15 54 40.3	14.6213	0.6834	G14.621+0.683	G14.6213+0.6834	G14.621+0.683-1612A	SF-Sim	1612 MHz;	1612	128.25;131.25	130.5	0.863 (0.007)	1.442	NRAOVLA	0.007	19	-H₂O +OH	EVOLVED
20	18 15 46.8	-16 02 34.7	14.6394	0.3739	G14.639+0.374	G14.6394+0.3739	G14.639+0.374-1612A	Star-Sim	1612 MHz;	1612	-17.25;-14.25	-16.5	0.149 (0.009)	0.345	NRAOVLA	0.009	19	+OH	EVOLVED
21	18 16 41.7	-16 04 9.3	14.7209	0.1680	G14.721+0.168	G14.7209+0.1680	G14.721+0.168-1612A	ES-D; BS	1612 MHz;	1612	107.25;110.25	108.0	0.771 (0.005)	2.025	NRAOVLA	0.005	19	-CH₃OH II +OH	EVOLVED
22	18 16 41.8	-16 04 9.5	14.7209	0.1679	G14.721+0.168	G14.7209+0.1680	G14.721+0.168-1612B		1612 MHz;	1612	132.75;135.75	133.5	0.554 (0.005)	1.158	NRAOVLA	0.005	19	-CH₃OH II +OH	EVOLVED
23	18 18 57.5	-16 19 32.3	14.7528	-0.4320	G14.753-0.432	G14.7528-0.4320	G14.753-0.432-1612A	ES-D; BS	1612 MHz;	1612	53.25;56.25	55.5	0.476 (0.007)	1.08	NRAOVLA	0.007	19	+OH	SFR_MIXED
24	18 18 57.5	-16 19 32.6	14.7527	-0.4319	G14.753-0.432	G14.7528-0.4320	G14.753-0.432-1612B		1612 MHz;	1612	71.25;74.25	72.0	0.495 (0.007)	1.111	NRAOVLA	0.007	19	+OH	SFR_MIXED
25	18 18 10.6	-16 08 13	14.8301	-0.1772	G14.830-0.177	G14.8301-0.1772	G14.831-0.178-1612A	ES-D; BS	1612 MHz;	1612	-59.25;-56.25	-58.5	0.222 (0.013)	0.5	NRAOVLA	0.013	19	+OH	SFR_MIXED
26	18 18 10.7	-16 08 13.1	14.8303	-0.1776	G14.830-0.177	G14.8301-0.1772	G14.831-0.178-1612B		1612 MHz;	1612	-38.25;-35.25	-36.0	0.631 (0.013)	1.464	NRAOVLA	0.013	19	+OH	SFR_MIXED
27	18 20 26.5	-16 12 7.5	15.0298	-0.6874	G15.034-0.677	G15.0298-0.6874	G15.030-0.687-1612A	SF-Sim	1612 MHz;	1612	11.25;14.25	13.5	0.254 (0.015)	0.49	NRAOVLA	0.015	19	+H₂O +CH₃OH I +CH₃OH II +OH
28	18 20 24.8	-16 11 36	15.0343	-0.6773	G15.034-0.677	G15.0346-0.6770	G15.034-0.677-1665A	SF-Sim; MMB; rc	1665 MHz;	1665	20.25;23.25	22.5	1.379 (0.013)	3.102	NRAOVLA	0.013	19	+H₂O +CH₃OH I +CH₃OH II +OH
29	18 16 53.5	-15 36 5.3	15.1549	0.3487	G15.155+0.349	G15.1549+0.3487	G15.155+0.349-1612A	ES-D; BS	1612 MHz;	1612	29.25;35.25	33.0	0.168 (0.004)	0.59	NRAOVLA	0.004	19	+OH	EVOLVED
30	18 16 53.5	-15 36 6.2	15.1547	0.3487	G15.155+0.349	G15.1549+0.3487	G15.155+0.349-1612B		1612 MHz;	1612	57.75;65.25	63.0	0.203 (0.004)	0.578	NRAOVLA	0.004	19	+OH	EVOLVED
31	18 18 3.2	-15 43 37.2	15.1771	0.0431	G15.177+0.043	G15.1771+0.0431	G15.177+0.043-1665A	SF-Sim; rc	1665 MHz;	1665	26.25;27.75	27.0	0.065 (0.004)	0.096	NRAOVLA	0.004	19	-H₂O +OH	SFR_MIXED
32	18 19 12.2	-15 45 44.8	15.2769	-0.2175	G15.277-0.217	G15.2769-0.2175	G15.277-0.217-1665A	Star-Sim	1665 MHz;	1665	45.75;62.25	46.5	0.959 (0.006)	5.522	NRAOVLA	0.006	19	+OH +SiO	EVOLVED
33	18 22 31.8	-16 06 52.2	15.3428	-1.0885	G15.343-1.089	G15.3431-1.0894	G15.343-1.088-1612A	ES-D; BS	1612 MHz;	1612	21.75;24.75	24.0	0.122 (0.008)	0.364	NRAOVLA	0.008	19	+OH +SiO	EVOLVED
34	18 22 31.8	-16 06 51.8	15.3431	-1.0887	G15.343-1.089	G15.3431-1.0894	G15.343-1.088-1612B		1612 MHz;	1612	47.25;53.25	51.0	0.302 (0.008)	0.941	NRAOVLA	0.008	19	+OH +SiO	EVOLVED
35	18 20 51.5	-15 53 52	15.3454	-0.6323	G15.345-0.632	G15.3454-0.6323	G15.345-0.632-1612A	ES-D; BS	1612 MHz;	1612	80.25;83.25	82.5	0.246 (0.007)	0.483	NRAOVLA	0.007	19	+OH	EVOLVED
36	18 20 51.5	-15 53 53.1	15.3451	-0.6324	G15.345-0.632	G15.3454-0.6323	G15.345-0.632-1612B		1612 MHz;	1612	98.25;99.75	99.0	0.192 (0.007)	0.289	NRAOVLA	0.007	19	+OH	EVOLVED
37	18 20 25.5	-15 46 36.8	15.4029	-0.4835	G15.403-0.483	G15.4029-0.4835	G15.402-0.482-1612A	ES-D; BS	1612 MHz;	1612	3.75;6.75	4.5	0.082 (0.005)	0.216	NRAOVLA	0.005	19	+OH	SFR_MIXED
38	18 20 25.3	-15 46 36.4	15.4025	-0.4824	G15.403-0.483	G15.4029-0.4835	G15.402-0.482-1612B		1612 MHz;	1612	33.75;38.25	36.0	0.074 (0.005)	0.23	NRAOVLA	0.005	19	+OH	SFR_MIXED
39	18 18 54	-15 34 40	15.4051	-0.0659	G15.405-0.066	G15.4051-0.0658	G15.405-0.066-1612A	ES-D; BS	1612 MHz;	1612	-44.25;-38.25	-42.0	1.099 (0.008)	3.877	NRAOVLA	0.008	19	+OH	EVOLVED
40	18 18 54	-15 34 40.4	15.4050	-0.0660	G15.405-0.066	G15.4051-0.0658	G15.405-0.066-1612B		1612 MHz;	1612	-18.75;-11.25	-13.5	2.247 (0.008)	5.571	NRAOVLA	0.008	19	+OH	EVOLVED
41	18 20 16.2	-15 38 17.2	15.5077	-0.3852	G15.508-0.385	G15.5077-0.3852	G15.508-0.385-1612A	ES-D; BS	1612 MHz;	1612	12.75;17.25	16.5	0.103 (0.007)	0.301	NRAOVLA	0.007	19	+OH	EVOLVED
42	18 20 16.5	-15 38 19.1	15.5077	-0.3862	G15.508-0.385	G15.5077-0.3852	G15.508-0.385-1612B		1612 MHz;	1612	41.25;47.25	45.0	0.75 (0.007)	1.624	NRAOVLA	0.007	19	+OH	EVOLVED
43	18 20 38.4	-15 37 54.5	15.5551	-0.4604	G15.557-0.464	G15.5566-0.4635	G15.555-0.460-1612A	SF-Sim	1612 MHz;	1612	101.25;104.25	103.5	0.06 (0.004)	0.135	NRAOVLA	0.004	19	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED
44	18 16 25.2	-15 04 52.5	15.5585	0.6961	G15.558+0.697	G15.5581+0.6969	G15.558+0.696-1612A	ES-D; BS	1612 MHz;	1612	53.25;56.25	55.5	0.674 (0.007)	1.058	NRAOVLA	0.007	19	+OH +SiO	EVOLVED
45	18 16 25.2	-15 04 51.6	15.5588	0.6962	G15.558+0.697	G15.5581+0.6969	G15.558+0.696-1612B		1612 MHz;	1612	80.25;84.75	82.5	0.857 (0.007)	1.838	NRAOVLA	0.007	19	+OH +SiO	EVOLVED
46	18 17 48.6	-15 15 42.6	15.5588	0.3153	G15.559+0.315	G15.5588+0.3153	G15.559+0.315-1612A	ES-D; BS	1612 MHz;	1612	30.75;36.75	34.5	0.089 (0.005)	0.313	NRAOVLA	0.005	19	+OH	EVOLVED
47	18 17 48.6	-15 15 42.7	15.5588	0.3152	G15.559+0.315	G15.5588+0.3153	G15.559+0.315-1612B		1612 MHz;	1612	47.25;56.25	51.0	0.23 (0.005)	0.838	NRAOVLA	0.005	19	+OH	EVOLVED
48	18 19 35.4	-15 29 24.3	15.5609	-0.1709	G15.561-0.171	G15.5609-0.1709	G15.561-0.172-1612A	Star-Sim	1612 MHz;	1612	107.25;110.25	109.5	0.219 (0.007)	0.451	NRAOVLA	0.007	19	+OH	EVOLVED
49	18 17 42.1	-15 11 2.7	15.6150	0.3750	G15.615+0.375	G15.6150+0.3750	G15.615+0.375-1612A	ES-D; BS	1612 MHz;	1612	-11.25;-9.75	-10.5	0.141 (0.006)	0.213	NRAOVLA	0.006	19	+OH	EVOLVED
50	18 17 42.1	-15 11 0.2	15.6156	0.3754	G15.615+0.375	G15.6150+0.3750	G15.615+0.375-1612B		1612 MHz;	1612	9.75;15.75	13.5	0.146 (0.006)	0.54	NRAOVLA	0.006	19	+OH	EVOLVED
51	18 14 26.9	-14 42 49.9	15.6546	1.2900	G15.655+1.290	G15.6546+1.2900	G15.655+1.290-1612A	Star-Sim	1612 MHz;	1612	123.75;126.75	124.5	0.759 (0.017)	1.652	NRAOVLA	0.017	19	+OH	EVOLVED
52	18 20 59.8	-15 33 9.9	15.6654	-0.4990	G15.665-0.499	G15.6653-0.4990	G15.665-0.499-1665A	SF-Sim; MMB	1665 MHz;	1665	-8.25;-3.75	-6.0	0.652 (0.006)	1.322	NRAOVLA	0.006	19	+H₂O +CH₃OH I +CH₃OH II +OH	SFR
53	18 16 25.8	-14 55 13.7	15.7011	0.7704	G15.701+0.770	G15.7012+0.7704	G15.701+0.771-1612A	ES-D; BS	1612 MHz;	1612	-17.25;-11.25	-15.0	32.81 (0.037)	70.8	NRAOVLA	0.037	19	+H₂O -CH₃OH I -CH₃OH II +OH +SiO	EVOLVED
54	18 16 25.8	-14 55 13.7	15.7011	0.7705	G15.701+0.770	G15.7012+0.7704	G15.701+0.771-1612B		1612 MHz;	1612	8.25;14.25	13.5	32.71 (0.037)	60.5	NRAOVLA	0.037	19	+H₂O -CH₃OH I -CH₃OH II +OH +SiO	EVOLVED
55	18 16 25.9	-14 55 13.8	15.7012	0.7703	G15.701+0.770	G15.7012+0.7704	G15.701+0.771-1665A		1665 MHz;	1665	-11.25;14.25	-9.0	0.5 (0.005)	3.302	NRAOVLA	0.005	19	+H₂O -CH₃OH I -CH₃OH II +OH +SiO	EVOLVED
56	18 19 41.2	-15 18 46.4	15.7280	-0.1076	G15.728-0.108	G15.7280-0.1076	G15.728-0.108-1612A	Star-Sim	1612 MHz;	1612	75.75;78.75	78.0	0.118 (0.016)	0.321	NRAOVLA	0.016	19	+OH	EVOLVED
57	18 19 52.3	-15 19 13.1	15.7426	-0.1504	G15.743-0.150	G15.7426-0.1504	G15.743-0.150-1612A	ES-D; BS	1612 MHz;	1612	0.75;8.25	1.5	0.104 (0.005)	0.509	NRAOVLA	0.005	19	+OH	EVOLVED
58	18 19 52.3	-15 19 11.6	15.7430	-0.1504	G15.743-0.150	G15.7426-0.1504	G15.743-0.150-1612B		1612 MHz;	1612	24.75;27.75	27.0	0.095 (0.005)	0.248	NRAOVLA	0.005	19	+OH	EVOLVED
59	18 18 55.8	-15 07 42.3	15.8044	0.1403	G15.804+0.140	G15.8044+0.1403	G15.804+0.140-1665A	ES-D?; BS	1665 MHz;	1665	30.75;33.75	33.0	0.049 (0.004)	0.129	NRAOVLA	0.004	19	+OH	EVOLVED
60	18 14 51.5	-14 35 07	15.8149	1.2643	G15.815+1.264	G15.8149+1.2643	G15.815+1.264-1612A	ES-D; BS	1612 MHz;	1612	15.75;18.75	18.0	0.256 (0.012)	0.641	NRAOVLA	0.012	19	+OH	EVOLVED
61	18 14 51.5	-14 35 8.4	15.8146	1.2639	G15.815+1.264	G15.8149+1.2643	G15.815+1.264-1612B		1612 MHz;	1612	41.25;47.25	45.0	0.133 (0.012)	0.513	NRAOVLA	0.012	19	+OH	EVOLVED
62	18 20 16.5	-15 16 17.8	15.8315	-0.2133	G15.831-0.213	G15.8315-0.2133	G15.831-0.213-1612A	ES-D; BS	1612 MHz;	1612	83.25;86.25	85.5	0.489 (0.052)	0.905	NRAOVLA	0.052	19	+OH	EVOLVED
63	18 20 16.5	-15 16 18.3	15.8312	-0.2132	G15.831-0.213	G15.8315-0.2133	G15.831-0.213-1612B		1612 MHz;	1612	114.75;117.75	115.5	0.164 (0.052)	0.338	NRAOVLA	0.052	19	+OH	EVOLVED
64	18 23 45.1	-15 40 42	15.8660	-1.1438	G15.866-1.144	G15.8660-1.1438	G15.866-1.144-1612A	ES-D; BS	1612 MHz;	1612	11.25;14.25	13.5	0.893 (0.011)	1.765	NRAOVLA	0.011	19	+OH -SiO	EVOLVED
65	18 23 45.1	-15 40 41.8	15.8660	-1.1437	G15.866-1.144	G15.8660-1.1438	G15.866-1.144-1612B		1612 MHz;	1612	27.75;35.25	30.0	0.799 (0.011)	1.885	NRAOVLA	0.011	19	+OH -SiO	EVOLVED
66	18 20 4.8	-14 59 39.4	16.0538	-0.0410	G16.054-0.041	G16.0538-0.0410	G16.054-0.041-1612A	Star-Sim	1612 MHz;	1612	51.75;56.25	54.0	0.1 (0.012)	0.227	NRAOVLA	0.012	19	+OH	EVOLVED
67	18 23 23	-15 24 28.8	16.0634	-0.9388	G16.063-0.939	G16.0634-0.9387	G16.063-0.939-1612A	ES-D; BS	1612 MHz;	1612	98.25;102.75	102.0	0.499 (0.044)	2.08	NRAOVLA	0.044	19	-CH₃OH II +OH	EVOLVED
68	18 23 23	-15 24 28.5	16.0635	-0.9388	G16.063-0.939	G16.0634-0.9387	G16.063-0.939-1612B		1612 MHz;	1612	126.75;129.75	129.0	0.889 (0.044)	1.772	NRAOVLA	0.044	19	-CH₃OH II +OH	EVOLVED
69	18 23 23	-15 24 27.8	16.0636	-0.9386	G16.063-0.939	G16.0634-0.9387	G16.063-0.939-1665A		1665 MHz;	1665	99.75;101.25	100.5	0.047 (0.004)	0.071	NRAOVLA	0.004	19	-CH₃OH II +OH	EVOLVED
70	18 21 7.1	-15 03 23.6	16.1170	-0.2914	G16.117-0.291	G16.1170-0.2906	G16.117-0.291-1612A	ES-D; BS	1612 MHz;	1612	-2.25;14.25	-1.5	7.922 (0.057)	65.57	NRAOVLA	0.057	19	+H₂O -CH₃OH I +CH₃OH II +OH +SiO	EVOLVED
71	18 21 7.1	-15 03 19.4	16.1180	-0.2907	G16.117-0.291	G16.1170-0.2906	G16.117-0.291-1612B		1612 MHz;	1612	27.75;44.25	42.0	15.45 (0.057)	75.36	NRAOVLA	0.057	19	+H₂O -CH₃OH I +CH₃OH II +OH +SiO	EVOLVED
72	18 20 24.2	-14 56 22.4	16.1389	-0.0840	G16.139-0.084	G16.1389-0.0840	G16.139-0.084-1612A	Star-Sim	1612 MHz;	1612	-42.75;-39.75	-42.0	0.525 (0.007)	0.922	NRAOVLA	0.007	19	+OH	EVOLVED
73	18 22 59.3	-15 16 12.5	16.1406	-0.7902	G16.141-0.790	G16.1406-0.7902	G16.141-0.790-1612A	ES-D; BS	1612 MHz;	1612	35.25;38.25	37.5	1.238 (0.007)	3.518	NRAOVLA	0.007	19	+OH	EVOLVED
74	18 22 59.3	-15 16 12.1	16.1407	-0.7901	G16.141-0.790	G16.1406-0.7902	G16.141-0.790-1612B		1612 MHz;	1612	47.25;54.75	49.5	1.677 (0.007)	6.095	NRAOVLA	0.007	19	+OH	EVOLVED
75	18 20 52.5	-14 59 11	16.1512	-0.2065	G16.151-0.206	G16.1513-0.2065	G16.151-0.206-1612A	Star-Sim	1612 MHz;	1612	81.75;84.75	82.5	0.393 (0.007)	0.932	NRAOVLA	0.007	19	+OH -SiO	EVOLVED
76	18 20 52.5	-14 59 10.6	16.1513	-0.2064	G16.151-0.206	G16.1513-0.2065	G16.151-0.206-1665A		1665 MHz;	1665	78.75;83.25	81.0	0.195 (0.005)	0.624	NRAOVLA	0.005	19	+OH -SiO	EVOLVED
77	18 22 34	-15 06 13.5	16.2396	-0.6220	G16.240-0.622	G16.2396-0.6220	G16.240-0.622-1612A	ES-D; BS	1612 MHz;	1612	23.25;32.25	25.5	0.213 (0.005)	0.816	NRAOVLA	0.005	19	+OH	EVOLVED
78	18 22 34	-15 06 13.1	16.2398	-0.6220	G16.240-0.622	G16.2396-0.6220	G16.240-0.622-1612B		1612 MHz;	1612	48.75;60.75	58.5	0.429 (0.005)	1.158	NRAOVLA	0.005	19	+OH	EVOLVED
79	18 19 40.5	-14 43 20.4	16.2472	0.1739	G16.247+0.174	G16.2472+0.1740	G16.247+0.174-1612A	ES-D; BS; HOPS	1612 MHz;	1612	-9.75;2.25	-6.0	0.436 (0.009)	1.336	NRAOVLA	0.009	19	+H₂O +OH	EVOLVED
80	18 19 40.4	-14 43 20.2	16.2472	0.1740	G16.247+0.174	G16.2472+0.1740	G16.247+0.174-1612B		1612 MHz;	1612	24.75;36.75	34.5	0.78 (0.009)	4.072	NRAOVLA	0.009	19	+H₂O +OH	EVOLVED
81	18 23 25.8	-15 02 6.1	16.3981	-0.7740	G16.398-0.774	G16.3981-0.7740	G16.398-0.774-1612A	U	1612 MHz;	1612	-45.75;-42.75	-43.5	0.15 (0.005)	0.224	NRAOVLA	0.005	19	+OH	EVOLVED
82	18 19 8.6	-14 25 2.1	16.4554	0.4313	G16.455+0.431	G16.4554+0.4313	G16.455+0.431-1612A	ES-DB; BS; HOPS	1612 MHz;	1612	17.25;23.25	18.0	0.359 (0.006)	1.091	NRAOVLA	0.006	19	+H₂O +OH	EVOLVED
83	18 19 8.6	-14 25 02	16.4554	0.4313	G16.455+0.431	G16.4554+0.4313	G16.455+0.431-1612B		1612 MHz;	1612	32.25;48.75	37.5	0.417 (0.006)	2.139	NRAOVLA	0.006	19	+H₂O +OH	EVOLVED
84	18 19 8.7	-14 25 1.3	16.4557	0.4312	G16.455+0.431	G16.4554+0.4313	G16.455+0.431-1665A		1665 MHz;	1665	33.75;39.75	37.5	0.051 (0.004)	0.222	NRAOVLA	0.004	19	+H₂O +OH	EVOLVED
85	18 21 9.2	-14 31 49.1	16.5852	-0.0511	G16.585-0.051	G16.5852-0.0507	G16.585-0.051-1665A	SF-Sim; MMB; HOPS	1665 MHz;	1665	57.75;63.75	60.0	0.058 (0.008)	0.222	NRAOVLA	0.008	19	+H₂O +CH₃OH I +CH₃OH II +OH	SFR
86	18 20 31.5	-14 20 35.2	16.6786	0.1715	G16.679+0.171	G16.6786+0.1715	G16.679+0.172-1612A	ES-D; BS	1612 MHz;	1612	11.25;17.25	13.5	0.362 (0.006)	1.043	NRAOVLA	0.006	19	-CH₃OH II +OH	SFR_MIXED
87	18 20 31.5	-14 20 35.1	16.6786	0.1715	G16.679+0.171	G16.6786+0.1715	G16.679+0.172-1612B		1612 MHz;	1612	35.25;41.25	39.0	0.195 (0.006)	0.651	NRAOVLA	0.006	19	-CH₃OH II +OH	SFR_MIXED
88	18 20 58.2	-14 21 52.2	16.7106	0.0661	G16.711+0.066	G16.7106+0.0661	G16.711+0.066-1720A	U	1720 MHz;	1720	18.75;20.25	19.5	0.19 (0.006)	0.285	NRAOVLA	0.006	19	+OH	SFR
89	18 22 16	-14 22 28.8	16.8493	-0.2156	G16.848-0.214	G16.8493-0.2156	G16.849-0.216-1612A	ES-D; BS	1612 MHz;	1612	3.75;12.75	4.5	0.797 (0.007)	2.96	NRAOVLA	0.007	19	+OH -SiO
90	18 22 16	-14 22 29.3	16.8491	-0.2156	G16.848-0.214	G16.8493-0.2156	G16.849-0.216-1612B		1612 MHz;	1612	38.25;41.25	39.0	0.624 (0.007)	1.671	NRAOVLA	0.007	19	+OH -SiO
91	18 21 54.8	-14 17 29.8	16.8824	-0.1011	G16.882-0.101	G16.8824-0.1011	G16.882-0.101-1612A	ES-D; BS	1612 MHz;	1612	33.75;36.75	34.5	0.092 (0.014)	0.184	NRAOVLA	0.014	19	+OH	EVOLVED
92	18 21 54.7	-14 17 30.9	16.8821	-0.1011	G16.882-0.101	G16.8824-0.1011	G16.882-0.101-1612B		1612 MHz;	1612	65.25;69.75	67.5	0.118 (0.014)	0.21	NRAOVLA	0.014	19	+OH	EVOLVED
93	18 22 49.9	-14 22 35	16.9121	-0.3374	G16.912-0.337	G16.9121-0.3374	G16.912-0.337-1612A	ES-D; BS	1612 MHz;	1612	3.75;5.25	4.5	0.154 (0.007)	0.231	NRAOVLA	0.007	19	+OH	EVOLVED
94	18 22 49.8	-14 22 33.8	16.9123	-0.3370	G16.912-0.337	G16.9121-0.3374	G16.912-0.337-1612B		1612 MHz;	1612	30.75;36.75	34.5	0.085 (0.007)	0.391	NRAOVLA	0.007	19	+OH	EVOLVED
95	18 21 49.9	-14 10 34.5	16.9749	-0.0293	G16.975-0.029	G16.9749-0.0293	G16.975-0.029-1612A	ES-D; BS	1612 MHz;	1612	32.25;45.75	34.5	1.489 (0.007)	4.341	NRAOVLA	0.007	19	-CH₃OH II +OH	EVOLVED
96	18 21 49.8	-14 10 34.5	16.9749	-0.0293	G16.975-0.029	G16.9749-0.0293	G16.975-0.029-1612B		1612 MHz;	1612	56.25;68.25	67.5	1.139 (0.007)	4.533	NRAOVLA	0.007	19	-CH₃OH II +OH	EVOLVED
97	18 26 15.9	-14 42 27	17.0079	-1.2266	G17.008-1.227	G17.0079-1.2266	G17.008-1.227-1612A	ES-D?; BS	1612 MHz;	1612	-9.75;17.25	-7.5	1.692 (0.019)	10.89	NRAOVLA	0.019	19	-H₂O -CH₃OH II +OH	EVOLVED
98	18 22 5.2	-14 08 48.9	17.0299	-0.0703	G17.030-0.070	G17.0297-0.0705	G17.030-0.070-1665A	SF; MMB; rc	1665 MHz;	1665	90.75;93.75	91.5	0.233 (0.005)	0.459	NRAOVLA	0.005	19	+H₂O -CH₃OH I +CH₃OH II +OH	SFR_MIXED
99	18 23 19.9	-14 06 33.1	17.2049	-0.3190	G17.205-0.319	G17.2049-0.3190	G17.205-0.319-1612A	ES-D; BS	1612 MHz;	1612	44.25;51.75	46.5	0.251 (0.008)	0.747	NRAOVLA	0.008	19	+OH	EVOLVED
100	18 23 19.9	-14 06 33.8	17.2047	-0.3191	G17.205-0.319	G17.2049-0.3190	G17.205-0.319-1612B		1612 MHz;	1612	78.75;81.75	81.0	0.285 (0.008)	0.666	NRAOVLA	0.008	19	+OH	EVOLVED
101	18 26 32.4	-14 20 31.6	17.3622	-1.1151	G17.362-1.115	G17.3622-1.1148	G17.362-1.115-1612A	ES-D; BS	1612 MHz;	1612	60.75;65.25	63.0	0.517 (0.012)	1.198	NRAOVLA	0.012	19	+OH +SiO	EVOLVED
102	18 26 32.4	-14 20 31.6	17.3622	-1.1151	G17.362-1.115	G17.3622-1.1148	G17.362-1.115-1612B		1612 MHz;	1612	86.25;92.25	90.0	0.782 (0.012)	1.931	NRAOVLA	0.012	19	+OH +SiO	EVOLVED
103	18 23 23.6	-13 55 8.9	17.3799	-0.2433	G17.380-0.243	G17.3799-0.2433	G17.380-0.243-1612A	ES-D; BS	1612 MHz;	1612	75.75;78.75	78.0	0.232 (0.009)	0.505	NRAOVLA	0.009	19	+OH	EVOLVED
104	18 23 23.6	-13 55 8.4	17.3799	-0.2431	G17.380-0.243	G17.3799-0.2433	G17.380-0.243-1612B		1612 MHz;	1612	110.25;119.25	118.5	0.29 (0.009)	1.368	NRAOVLA	0.009	19	+OH	EVOLVED
105	18 23 35	-13 55 49.7	17.3914	-0.2893	G17.391-0.289	G17.3914-0.2892	G17.391-0.289-1612A	ES-D; BS	1612 MHz;	1612	11.25;14.25	12.0	5.144 (0.007)	11.71	NRAOVLA	0.007	19	+OH +SiO	EVOLVED
106	18 23 35	-13 55 49.5	17.3915	-0.2893	G17.391-0.289	G17.3914-0.2892	G17.391-0.289-1612B		1612 MHz;	1612	44.25;47.25	46.5	2.512 (0.007)	6.152	NRAOVLA	0.007	19	+OH +SiO	EVOLVED
107	18 22 53.6	-13 47 41.7	17.4326	-0.0778	G17.433-0.078	G17.4326-0.0778	G17.433-0.078-1612A	Star-Sim	1612 MHz;	1612	123.75;128.25	126.0	0.181 (0.005)	0.453	NRAOVLA	0.005	19	+OH	SFR_MIXED
108	18 22 41.3	-13 40 56.6	17.5085	0.0191	G17.508+0.019	G17.5083+0.0191	G17.508+0.019-1612A	ES-D; BS	1612 MHz;	1612	51.75;60.75	52.5	0.818 (0.005)	2.355	NRAOVLA	0.005	19	+OH +SiO	EVOLVED
109	18 22 41.3	-13 40 57.3	17.5083	0.0191	G17.508+0.019	G17.5083+0.0191	G17.508+0.019-1612B		1612 MHz;	1612	74.25;83.25	81.0	0.817 (0.005)	3.004	NRAOVLA	0.005	19	+OH +SiO	EVOLVED
110	18 23 18	-13 42 47.2	17.5510	-0.1264	G17.551-0.126	G17.5509-0.1261	G17.551-0.126-1612A	Star-Sim; HOPS	1612 MHz;	1612	24.75;30.75	30.0	0.502 (0.008)	2.194	NRAOVLA	0.008	19	+H₂O +OH +SiO	EVOLVED
111	18 23 17.9	-13 42 47	17.5511	-0.1263	G17.551-0.126	G17.5509-0.1261	G17.551-0.126-1612B		1612 MHz;	1612	33.75;36.75	36.0	0.467 (0.008)	1.289	NRAOVLA	0.008	19	+H₂O +OH +SiO	EVOLVED
112	18 23 17.9	-13 42 46.9	17.5511	-0.1263	G17.551-0.126	G17.5509-0.1261	G17.551-0.126-1612C		1612 MHz;	1612	5.75;50.25	48.0	0.407 (0.008)	1.139	NRAOVLA	0.008	19	+H₂O +OH +SiO	EVOLVED
113	18 23 17.9	-13 42 47.5	17.5510	-0.1264	G17.551-0.126	G17.5509-0.1261	G17.551-0.126-1612D		1612 MHz;	1612	51.75;60.75	54.0	0.75 (0.008)	4.251	NRAOVLA	0.008	19	+H₂O +OH +SiO	EVOLVED
114	18 23 18	-13 42 47.3	17.5510	-0.1264	G17.551-0.126	G17.5509-0.1261	G17.551-0.126-1665A		1665 MHz;	1665	26.25;36.75	28.5	1.166 (0.009)	6.003	NRAOVLA	0.009	19	+H₂O +OH +SiO	EVOLVED
115	18 23 17.9	-13 42 47.5	17.5509	-0.1263	G17.551-0.126	G17.5509-0.1261	G17.551-0.126-1665B		1665 MHz;	1665	51.75;54.75	54.0	3.332 (0.009)	6.758	NRAOVLA	0.009	19	+H₂O +OH +SiO	EVOLVED
116	18 22 26.3	-13 30 11.9	17.6383	0.1566	G17.638+0.157	G17.6383+0.1566	G17.638+0.157-1665A	SF-Sim; MMB; HOPS	1665 MHz;	1665	18.75;21.75	21.0	1.5 (0.008)	3.711	NRAOVLA	0.008	19	+H₂O +CH₃OH I +CH₃OH II +OH -SiO	SFR
117	18 22 26.1	-13 30 9.9	17.6384	0.1576	G17.638+0.157	G17.6383+0.1566	G17.638+0.157-1720A		1720 MHz;	1720	27.75;30.75	28.5	1.822 (0.009)	2.889	NRAOVLA	0.009	19	+H₂O +CH₃OH I +CH₃OH II +OH -SiO	SFR
118	18 22 32.1	-13 23 58.7	17.7408	0.1846	G17.741+0.185	G17.7408+0.1846	G17.741+0.185-1612A	ES-D; BS	1612 MHz;	1612	5.25;12.75	6.0	0.895 (0.008)	2.11	NRAOVLA	0.008	19	+OH	SFR_MIXED
119	18 22 32.1	-13 23 58	17.7410	0.1846	G17.741+0.185	G17.7408+0.1846	G17.741+0.185-1612B		1612 MHz;	1612	30.75;42.75	40.5	0.654 (0.008)	2.535	NRAOVLA	0.008	19	+OH	SFR_MIXED
120	18 25 30.7	-13 43 38.5	17.7899	-0.6080	G17.789-0.608	G17.7892-0.6080	G17.790-0.608-1612A	ES-D; BS	1612 MHz;	1612	60.75;63.75	63.0	0.045 (0.005)	0.106	NRAOVLA	0.005	19	+OH +SiO	EVOLVED
121	18 25 30.8	-13 43 38.9	17.7899	-0.6082	G17.789-0.608	G17.7892-0.6080	G17.790-0.608-1612B		1612 MHz;	1612	96.75;99.75	99.0	0.11 (0.005)	0.236	NRAOVLA	0.005	19	+OH +SiO	EVOLVED
122	18 25 9.5	-13 27 1.9	17.9945	-0.4026	G17.994-0.403	G17.9945-0.4026	G17.994-0.403-1612A	ES-D; BS	1612 MHz;	1612	26.25;29.25	28.5	1.149 (0.007)	2.68	NRAOVLA	0.007	19	+OH	EVOLVED
123	18 25 9.5	-13 27 1.7	17.9945	-0.4026	G17.994-0.403	G17.9945-0.4026	G17.994-0.403-1612B		1612 MHz;	1612	36.75;39.75	37.5	1.924 (0.007)	4.559	NRAOVLA	0.007	19	+OH	EVOLVED
124	18 24 10.1	-13 16 54	18.0313	-0.1111	G18.029-0.109	G18.0292-0.1088	G18.031-0.111-1612A	ES-D; BS	1612 MHz;	1612	27.75;32.25	30.0	0.428 (0.007)	1.319	NRAOVLA	0.007	19	-CH₃OH II +OH +SiO	EVOLVED
125	18 24 10.3	-13 16 52.7	18.0319	-0.1116	G18.029-0.109	G18.0292-0.1088	G18.031-0.111-1612B		1612 MHz;	1612	62.25;63.75	63.0	0.075 (0.007)	0.113	NRAOVLA	0.007	19	-CH₃OH II +OH +SiO	EVOLVED
126	18 24 47.1	-13 19 14.7	18.0669	-0.2619	G18.067-0.262	G18.0669-0.2619	G18.067-0.262-1612A	U	1612 MHz;	1612	20.25;24.75	22.5	0.164 (0.006)	0.449	NRAOVLA	0.006	19	+OH	EVOLVED
127	18 24 47.1	-13 19 15.4	18.0667	-0.2619	G18.067-0.262	G18.0669-0.2619	G18.067-0.262-1665A		1665 MHz;	1665	-0.75;3.75	3.0	0.181 (0.006)	0.504	NRAOVLA	0.006	19	+OH	EVOLVED
128	18 24 47.1	-13 19 14.2	18.0670	-0.2619	G18.067-0.262	G18.0669-0.2619	G18.067-0.262-1665B		1665 MHz;	1665	9.75;14.25	12.0	0.108 (0.006)	0.31	NRAOVLA	0.006	19	+OH	EVOLVED
129	18 21 56.4	-12 55 20.7	18.0939	0.5369	G18.094+0.537	G18.0939+0.5370	G18.094+0.537-1612A	ES-D; BS	1612 MHz;	1612	110.25;119.25	112.5	0.356 (0.006)	4.008	NRAOVLA	0.006	19	-H₂O +OH	EVOLVED
130	18 21 56.3	-12 55 20.5	18.0939	0.5370	G18.094+0.537	G18.0939+0.5370	G18.094+0.537-1612B		1612 MHz;	1612	129.75;135.75	135.0	0.327 (0.006)	0.808	NRAOVLA	0.006	19	-H₂O +OH	EVOLVED
131	18 25 27.6	-13 16 46	18.1800	-0.3876	G18.180-0.388	G18.1800-0.3876	G18.180-0.388-1612A	ES-D; BS	1612 MHz;	1612	68.25;71.25	69.0	1.538 (0.009)	2.993	NRAOVLA	0.009	19	-H₂O -CH₃OH II +OH	SFR_MIXED
132	18 25 27.6	-13 16 46.1	18.1800	-0.3876	G18.180-0.388	G18.1800-0.3876	G18.180-0.388-1612B		1612 MHz;	1612	95.25;99.75	97.5	1.8 (0.009)	3.289	NRAOVLA	0.009	19	-H₂O -CH₃OH II +OH	SFR_MIXED
133	18 24 47.4	-13 09 41.1	18.2083	-0.1884	G18.205-0.184	G18.2083-0.1884	G18.208-0.188-1612A	ES-D?; BS	1612 MHz;	1612	8.25;14.25	10.5	1.274 (0.005)	3.285	NRAOVLA	0.005	19	-H₂O -CH₃OH I -CH₃OH II +OH +SiO	SFR_MIXED
134	18 27 55.9	-13 31 40.3	18.2402	-1.0352	G18.241-1.037	G18.2415-1.0374	G18.240-1.035-1612A	Star-Sim	1612 MHz;	1612	15.75;20.25	18.0	1.551 (0.007)	4.221	NRAOVLA	0.007	19	+OH +SiO	EVOLVED
135	18 25 5.7	-13 08 22	18.2623	-0.2437	G18.262-0.244	G18.2621-0.2439	G18.262-0.244-1665A	SF-Sim; MMB	1665 MHz;	1665	72.75;75.75	75.0	0.033 (0.002)	0.077	NRAOVLA	0.002	19	+H₂O +CH₃OH I +CH₃OH II +OH	SFR
136	18 23 46	-12 57 54.4	18.2652	0.1236	G18.265+0.124	G18.2652+0.1236	G18.265+0.124-1612A	ES-D; BS	1612 MHz;	1612	-5.25;-2.25	-3.0	0.387 (0.008)	1.142	NRAOVLA	0.008	19	+OH	EVOLVED
137	18 23 46.1	-12 57 54.6	18.2653	0.1232	G18.265+0.124	G18.2652+0.1236	G18.265+0.124-1612B		1612 MHz;	1612	15.75;18.75	16.5	1.522 (0.008)	2.76	NRAOVLA	0.008	19	+OH	EVOLVED
138	18 22 43.1	-12 47 42.8	18.2954	0.4290	G18.295+0.429	G18.2954+0.4291	G18.295+0.429-1612A	ES-D; BS	1612 MHz;	1612	30.75;42.75	33.0	6.614 (0.006)	16.25	NRAOVLA	0.006	19	-H₂O +OH +SiO	EVOLVED
139	18 22 43.1	-12 47 42.8	18.2954	0.4290	G18.295+0.429	G18.2954+0.4291	G18.295+0.429-1612B		1612 MHz;	1612	54.75;65.25	63.0	6.143 (0.006)	20.14	NRAOVLA	0.006	19	-H₂O +OH +SiO	EVOLVED
140	18 25 42.2	-13 10 19.1	18.3028	-0.3900	G18.303-0.390	G18.3027-0.3902	G18.303-0.390-1612A	SF-Sim; rc	1612 MHz;	1612	27.75;33.75	31.5	0.53 (0.008)	1.23	NRAOVLA	0.008	19	+H₂O -CH₃OH I -CH₃OH II +OH	SFR
141	18 23 26.6	-12 49 38.9	18.3498	0.2577	G18.350+0.258	G18.3498+0.2577	G18.350+0.258-1612A	ES-D; BS	1612 MHz;	1612	15.75;18.75	16.5	0.311 (0.006)	0.693	NRAOVLA	0.006	19	+OH	EVOLVED
142	18 23 26.6	-12 49 38.7	18.3499	0.2578	G18.350+0.258	G18.3498+0.2577	G18.350+0.258-1612B		1612 MHz;	1612	33.75;39.75	37.5	0.342 (0.006)	0.745	NRAOVLA	0.006	19	+OH	EVOLVED
143	18 23 51	-12 50 42.3	18.3807	0.1620	G18.381+0.162

Display data from paper

BEU19 - OH maser emission in the THOR survey of the northern Milky Way

View as list of objects

Detection table from Beuther et al. (2019)