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SUN18 - Discovery of H₂O, CH₃OH, and OH Masers in the Extreme Outer Galaxy

Short title: Sun et al. (2018)
Authors: Sun, YanXu, YeChen, XiFang, MinHenkel, ChristianYang, JiMenten, Karl M.Chen, Xue-PengJiang, Zhi-Bo
Journal: The Astrophysical Journal, Volume 869, Issue 2, article id. 148, 13 pp. (2018).
Bibcode:

Non-detection table: Show non-detection table
Detection table: Show detection table (4 detection) Non-detection table: Show non-detection table (199 non-detection)
Target type: CO_clumps
Transitions: OH_4765,CH3OH_6(II)

Abstract
We present the results of a single dish interstellar maser survey toward 200 molecular clouds (MCs) in the extreme outer Galaxy (EOG) possibly lying in the Outer Scutum-Centaurus (OSC) arm. The observations resulted in the detections of two new 22.2 GHz water masers, two new 6.7 GHz class II methanol masers, and one new 4765 MHz excited-state OH maser. These new detections include one high Galactic latitude (b>2) methanol maser, one farthest Galactic methanol maser, and one farthest Galactic OH maser from the Sun. The velocities of the masers and the CO emission are in agreement with each other, which strongly indicates an association between the maser and the EOG cloud. The presence of the masers provides reliable evidence for ongoing massive star-forming activity in the OSC arm. The EOG clouds with detected interstellar masers are all associated with young stellar objects. Masers are primarily detected toward the brighter and more massive MCs. Because of the large distances involved, the faint masers with luminosity below 10^-6 L _sun are not accessible by our current observations. The low number of masers in the EOG regions supports the scenario of decreasing metallicity and decreasing star formation rate/efficiency at large Galactocentric radii. Our new maser detections are valuable targets for future VLBI parallax and proper motion measurements.

Abstract

We present the results of a single dish interstellar maser survey toward 200 molecular clouds (MCs) in the extreme outer Galaxy (EOG) possibly lying in the Outer Scutum-Centaurus (OSC) arm. The observations resulted in the detections of two new 22.2 GHz water masers, two new 6.7 GHz class II methanol masers, and one new 4765 MHz excited-state OH maser. These new detections include one high Galactic latitude (b>2) methanol maser, one farthest Galactic methanol maser, and one farthest Galactic OH maser from the Sun. The velocities of the masers and the CO emission are in agreement with each other, which strongly indicates an association between the maser and the EOG cloud. The presence of the masers provides reliable evidence for ongoing massive star-forming activity in the OSC arm. The EOG clouds with detected interstellar masers are all associated with young stellar objects. Masers are primarily detected toward the brighter and more massive MCs. Because of the large distances involved, the faint masers with luminosity below 10^-6 L _sun are not accessible by our current observations. The low number of masers in the EOG regions supports the scenario of decreasing metallicity and decreasing star formation rate/efficiency at large Galactocentric radii. Our new maser detections are valuable targets for future VLBI parallax and proper motion measurements.

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Detection table from Sun et al. (2018)

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ID	Obs. RA	Obs. Dec	l	b	Group id	Source name	Image	Line	V_range	V_peak	F_peak	∫F dv	Telescope	V_step	RMS	Beam	Detection	Class	Distance	Dist. (parallax)	Date
	(J2000)	(J2000)	(deg.)	(deg.)				H₂O	(km/s)	(km/s)	(Jy)	(Jy*km/s)		(km/s)	(Jy)	(arcsec)	Yes/No		(kpc)	(kpc)
1	18 58 18.3	+01 15 57.7	34.8416	-0.9500	G34.842-0.950	34.84-0.95	Image	22 GHz;	-45.3;-43.6	-44.3	25.1	16.2	EFF	0.02	0.063	40	+H₂O -CH₃OH II +OH	SFR	17.800		2016 February
2	19 07 56.7	+04 53 59.3	39.1750	-1.4250	G39.180-1.425	39.18-1.43	Image	22 GHz;	-52.3;-49.9	-50.9	0.23	0.24	EFF	0.02	0.032	40	+H₂O -CH₃OH II -OH	SFR_MIXED	17.900		2016 February
3	19 00 47.8	+07 04 13.9	40.2888	1.1500	G40.290+1.150	40.29+1.15	Image	22 GHz;	-48.8;-46.3	-47.4	0.23	0.23	EFF	0.02	0.034	40	+H₂O -CH₃OH II -OH	SFR	17.000		2016 February
4	18 57 14.3	+08 16 26.8	40.9583	2.4834	G40.956+2.476	40.96+2.48	Image	22 GHz;	-63;-42.2	-61.5	0.6	3.85	EFF	0.02	0.030	40	+H₂O +CH₃OH II -OH	SFR	17.000		2016 February

Non-detection table from Sun et al. (2018)

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ID	Obs. RA	Obs. Dec	l	b	Group id	Source name	Line	Telescope	V_step	RMS	Beam	Detection	Class	Date
	(J2000)	(J2000)	(deg.)	(deg.)			H₂O		(km/s)	(Jy)	(arcsec)	Yes/No
1	19 00 3.6	+00 57 37.1	34.7700	-1.4800	G34.770-1.480	34.77-1.48	22 GHz;	EFF	0.02	0.050	40	-H₂O	SFR	2016 February
2	18 57 13.2	+03 12 46.2	36.4500	0.1800	G36.450+0.180	36.45+0.18	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
3	18 57 7.9	+03 15 28	36.4800	0.2200	G36.480+0.220	36.48+0.22	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
4	18 58 48.7	+03 09 17.8	36.5800	-0.2000	G36.580-0.200	36.58-0.20	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
5	18 49 33.5	+04 30 18.7	36.7300	2.4700	G36.730+2.470	36.73+2.47	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
6	18 58 57.9	+03 22 57.4	36.8000	-0.1300	G36.800-0.130	36.80-0.13	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH		2016 February
7	18 59 4.6	+03 28 50.5	36.9000	-0.1100	G36.900-0.110	36.90-0.11	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
8	18 58 45.4	+03 32 39	36.9200	-0.0100	G36.920-0.010	36.92-0.01	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
9	18 58 31.9	+03 43 9.2	37.0500	0.1200	G37.050+0.120	37.05+0.12	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
10	18 56 21.7	+04 07 54.6	37.1700	0.7900	G37.170+0.790	37.17+0.79	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
11	18 56 32.5	+04 10 34	37.2300	0.7700	G37.230+0.770	37.23+0.77	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH		2016 February
12	18 54 59.4	+04 24 28.8	37.2600	1.2200	G37.260+1.220	37.26+1.22	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
13	18 55 45.7	+04 24 38.1	37.3500	1.0500	G37.351+1.051	37.35+1.05	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
14	18 50 56.4	+05 04 11.5	37.3900	2.4200	G37.390+2.420	37.39+2.42	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
15	18 55 7.4	+04 34 55.5	37.4300	1.2700	G37.430+1.270	37.43+1.27	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
16	18 55 3.1	+04 36 48.8	37.4500	1.3000	G37.450+1.300	37.45+1.30	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
17	18 55 01	+04 38 25.7	37.4700	1.3200	G37.470+1.320	37.47+1.32	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
18	18 50 05	+05 16 5.7	37.4700	2.7000	G37.470+2.700	37.47+2.70	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
19	18 57 36.4	+04 19 15.4	37.4800	0.6000	G37.480+0.600	37.48+0.60	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
20	19 00 50.4	+04 01 49.3	37.5900	-0.2500	G37.590-0.250	37.59-0.25	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
21	18 56 59.3	+04 32 46.1	37.6100	0.8400	G37.610+0.840	37.61+0.84	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
22	18 51 23.7	+05 16 12.1	37.6200	2.4100	G37.620+2.410	37.62+2.41	22 GHz;	EFF	0.02	0.050	40	-H₂O	SFR	2016 February
23	18 50 54.7	+05 20 33.1	37.6300	2.5500	G37.630+2.550	37.63+2.55	22 GHz;	EFF	0.02	0.050	40	-H₂O	SFR	2016 February
24	18 55 3.6	+04 50 13.6	37.6500	1.4000	G37.650+1.400	37.65+1.40	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
25	18 55 32.6	+04 47 12.3	37.6600	1.2700	G37.660+1.270	37.66+1.27	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
26	18 58 14.5	+04 28 32.9	37.6900	0.5300	G37.690+0.530	37.69+0.53	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
27	18 55 16.7	+04 52 36.5	37.7100	1.3700	G37.710+1.370	37.71+1.37	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
28	18 56 10.3	+04 45 46.3	37.7100	1.1200	G37.710+1.120	37.71+1.12	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
29	19 01 47.5	+04 03 16	37.7200	-0.4500	G37.720-0.450	37.72-0.45	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
30	18 55 43.5	+04 51 12.2	37.7400	1.2600	G37.740+1.260	37.74+1.26	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
31	18 55 17.9	+04 55 49.5	37.7600	1.3900	G37.760+1.390	37.76+1.39	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
32	18 53 55.3	+05 07 1.1	37.7700	1.7800	G37.770+1.780	37.77+1.78	22 GHz;	EFF	0.02	0.050	40	-H₂O	SFR	2016 February
33	18 55 44.7	+04 54 25.1	37.7900	1.2800	G37.790+1.280	37.79+1.28	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
34	18 56 15.8	+04 51 7.4	37.8000	1.1400	G37.800+1.140	37.80+1.14	22 GHz;	EFF	0.02	0.050	40	-H₂O	SFR	2016 February
35	18 52 36	+05 19 48.1	37.8100	2.1700	G37.810+2.170	37.81+2.17	22 GHz;	EFF	0.02	0.050	40	-H₂O	SFR	2016 February
36	18 53 57.5	+05 09 25.6	37.8100	1.7900	G37.810+1.790	37.81+1.79	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
37	19 00 0.8	+04 23 41.9	37.8200	0.1000	G37.820+0.100	37.82+0.10	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
38	18 55 24.5	+05 00 22.2	37.8400	1.4000	G37.840+1.400	37.84+1.40	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
39	18 55 10.8	+05 09 31.5	37.9500	1.5200	G37.950+1.520	37.95+1.52	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
40	18 57 18.7	+05 00 37.4	38.0600	0.9800	G38.060+0.980	38.06+0.98	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR_MIXED	2016 February
41	18 59 13.4	+04 47 58.7	38.0900	0.4600	G38.090+0.460	38.09+0.46	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
42	18 53 34.6	+05 32 32.7	38.1100	2.0500	G38.110+2.050	38.11+2.05	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
43	18 57 44.8	+05 05 23.2	38.1800	0.9200	G38.180+0.920	38.18+0.92	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
44	19 02 20.2	+04 33 29.5	38.2300	-0.3400	G38.230-0.340	38.23-0.34	22 GHz;	EFF	0.02	0.050	40	-H₂O	SFR	2016 February
45	18 58 4.5	+05 12 18.7	38.3200	0.9000	G38.320+0.900	38.32+0.90	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
46	18 51 42.5	+06 10 19.4	38.4600	2.7500	G38.460+2.750	38.46+2.75	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
47	18 57 18.8	+05 29 36	38.4900	1.2000	G38.490+1.200	38.49+1.20	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
48	18 58 29.7	+05 23 14.8	38.5300	0.8900	G38.530+0.890	38.53+0.89	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
49	18 58 27.6	+05 24 51.7	38.5500	0.9100	G38.550+0.910	38.55+0.91	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
50	18 51 41	+06 32 2.4	38.7800	2.9200	G38.780+2.920	38.78+2.92	22 GHz;	EFF	0.02	0.050	40	-H₂O	SFR_MIXED	2016 February
51	18 54 31.4	+06 25 15.2	39.0000	2.2400	G39.000+2.240	39.00+2.24	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
52	18 57 00	+06 11 46	39.0800	1.5900	G39.080+1.590	39.08+1.59	22 GHz;	EFF	0.02	0.050	40	-H₂O	SFR	2016 February
53	18 58 9.4	+06 20 26.8	39.3400	1.4000	G39.340+1.400	39.34+1.40	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
54	18 58 19.1	+06 21 13.6	39.3700	1.3700	G39.370+1.370	39.37+1.37	22 GHz;	EFF	0.02	0.050	40	-H₂O	EVOLVED	2016 February
55	18 58 46.9	+06 38 35.7	39.6800	1.4000	G39.680+1.400	39.68+1.40	22 GHz;	EFF	0.02	0.050	40	-H₂O	SFR	2016 February
56	18 57 5.8	+06 51 27.2	39.6800	1.8700	G39.680+1.870	39.68+1.87	22 GHz;	EFF	0.02	0.050	40	-H₂O	SFR	2016 February
57	18 53 14.4	+07 26 48.6	39.7700	2.9900	G39.770+2.990	39.77+2.99	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
58	18 58 49.6	+06 51 44	39.8800	1.4900	G39.880+1.490	39.88+1.49	22 GHz;	EFF	0.02	0.050	40	-H₂O	SFR	2016 February
59	19 00 46.8	+06 38 48.6	39.9100	0.9600	G39.910+0.960	39.91+0.96	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
60	19 00 25.3	+06 41 33.1	39.9100	1.0600	G39.910+1.060	39.91+1.06	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
61	19 01 5.3	+06 41 10.3	39.9800	0.9100	G39.980+0.910	39.98+0.91	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
62	18 54 39.1	+07 37 38	40.0900	2.7600	G40.090+2.760	40.09+2.76	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
63	18 59 27.3	+07 16 35.1	40.3200	1.5400	G40.320+1.540	40.32+1.54	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
64	19 02 51.7	+06 51 51.8	40.3400	0.6000	G40.340+0.600	40.34+0.60	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
65	18 47 52.8	+08 46 2.9	40.3500	4.7700	G40.350+4.770	40.35+4.77	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
66	18 59 32.9	+07 20 35.6	40.3900	1.5500	G40.390+1.550	40.39+1.55	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
67	18 53 54.4	+08 04 47.6	40.4100	3.1300	G40.410+3.130	40.41+3.13	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
68	19 00 51.6	+07 13 56.6	40.4400	1.2100	G40.440+1.210	40.44+1.21	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
69	18 59 51.5	+07 25 38.5	40.5000	1.5200	G40.500+1.520	40.50+1.52	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR_MIXED	2016 February
70	19 01 13.4	+07 16 34	40.5200	1.1500	G40.520+1.150	40.52+1.15	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
71	19 00 48.7	+07 20 23.5	40.5300	1.2700	G40.530+1.270	40.53+1.27	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
72	19 00 1.5	+07 30 26.7	40.5900	1.5200	G40.590+1.520	40.59+1.52	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
73	19 00 45.6	+07 25 29.8	40.6000	1.3200	G40.600+1.320	40.60+1.32	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
74	18 57 0.5	+07 56 5.9	40.6300	2.3800	G40.630+2.380	40.63+2.38	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
75	18 54 22.8	+08 15 59.8	40.6300	3.1100	G40.630+3.110	40.63+3.11	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
76	18 59 1.8	+07 54 12.2	40.8300	1.9200	G40.830+1.920	40.83+1.92	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
77	19 00 53.8	+07 39 57.7	40.8300	1.4000	G40.830+1.400	40.83+1.40	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
78	19 01 15.4	+07 37 13.2	40.8300	1.3000	G40.830+1.300	40.83+1.30	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
79	18 59 26.6	+07 51 43.6	40.8400	1.8100	G40.840+1.810	40.84+1.81	22 GHz;	EFF	0.02	0.050	40	-H₂O		2016 February
80	18 59 15.9	+07 54 26.2	40.8600	1.8700	G40.860+1.870	40.86+1.87	22 GHz;	EFF	0.02	0.050	40	-H₂O		2016 February
81	18 56 47	+08 13 17.4	40.8600	2.5600	G40.860+2.560	40.86+2.56	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
82	19 04 15.2	+07 17 38	40.8800	0.4900	G40.880+0.490	40.88+0.49	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
83	19 01 19.9	+07 40 41.7	40.8900	1.3100	G40.890+1.310	40.89+1.31	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
84	18 59 26.8	+07 55 45	40.9000	1.8400	G40.900+1.840	40.90+1.84	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
85	18 55 29.4	+08 29 48.3	40.9600	2.9700	G40.965+2.965	40.96+2.97	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
86	18 55 32.6	+08 30 04	40.9700	2.9600	G40.965+2.965	40.97+2.96	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
87	18 56 45.2	+08 26 58.1	41.0600	2.6700	G41.060+2.670	41.06+2.67	22 GHz;	EFF	0.02	0.050	40	-H₂O	UNK	2016 February
88	18 56 42	+08 28 2.8	41.0700	2.6900	G41.070+2.690	41.07+2.69	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
89	18 59 36.4	+08 21 28.5	41.3000	2.0000	G41.300+2.000	41.30+2.00	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
90	19 00 7.9	+08 22 12	41.3700	1.8900	G41.370+1.890	41.37+1.89	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
91	19 02 42.2	+08 03 15.9	41.3800	1.1800	G41.380+1.180	41.38+1.18	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
92	19 01 7.9	+08 28 44.9	41.5800	1.7200	G41.580+1.720	41.58+1.72	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
93	19 02 25	+08 30 24.7	41.7500	1.4500	G41.750+1.450	41.75+1.45	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
94	19 04 10.7	+08 16 56.9	41.7500	0.9600	G41.750+0.960	41.75+0.96	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
95	19 03 58.3	+09 36 08	42.9000	1.6100	G42.900+1.610	42.90+1.61	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
96	19 04 13.6	+10 00 29.9	43.2900	1.7400	G43.290+1.740	43.29+1.74	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
97	19 06 51.6	+10 19 34.7	43.8700	1.3100	G43.870+1.310	43.87+1.31	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
98	19 06 32.3	+10 24 44.5	43.9100	1.4200	G43.910+1.420	43.91+1.42	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
99	19 03 1.3	+11 08 17.3	44.1600	2.5200	G44.160+2.520	44.16+2.52	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
100	19 12 47.7	+09 55 38.1	44.1900	-0.1700	G44.190-0.170	44.19-0.17	22 GHz;	EFF	0.02	0.050	40	-H₂O	SFR	2016 February
101	19 13 14.3	+10 01 41.2	44.3300	-0.2200	G44.330-0.220	44.33-0.22	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
102	19 04 23.6	+11 14 45.9	44.4100	2.2700	G44.410+2.270	44.41+2.27	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
103	19 10 9.1	+10 36 17.5	44.4900	0.7200	G44.490+0.720	44.49+0.72	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
104	19 10 56.9	+10 32 52.7	44.5300	0.5200	G44.530+0.520	44.53+0.52	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
105	19 10 37.8	+10 40 44.3	44.6100	0.6500	G44.610+0.650	44.61+0.65	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR_MIXED	2016 February
106	19 10 57.1	+10 51 7.5	44.8000	0.6600	G44.800+0.660	44.80+0.66	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR_MIXED	2016 February
107	19 04 51.4	+11 47 40.2	44.9500	2.4200	G44.950+2.420	44.95+2.42	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II -OH	SFR	2016 February
108	21 57 31.1	+58 35 44.5	101.8900	3.0200	G101.890+3.020	101.89+3.02	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II		2016 February
109	21 58 7.4	+58 39 24.6	101.9900	3.0200	G101.990+3.020	101.99+3.02	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
110	21 58 27.7	+58 39 55.5	102.0300	3.0000	G102.030+3.000	102.03+3.00	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II		2016 February
111	21 59 54	+58 31 9.7	102.0900	2.7700	G102.090+2.770	102.09+2.77	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
112	22 01 51.5	+58 39 44.3	102.3800	2.7300	G102.380+2.730	102.38+2.73	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
113	22 07 8.5	+58 50 38.3	103.0400	2.4700	G103.040+2.470	103.04+2.47	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
114	22 05 59	+59 45 43.7	103.4600	3.3000	G103.460+3.300	103.46+3.30	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
115	22 09 42.3	+59 34 12.9	103.7300	2.8700	G103.730+2.870	103.73+2.87	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
116	22 14 6.3	+60 38 05	104.7900	3.4300	G104.790+3.430	104.79+3.43	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
117	22 15 53.4	+60 39 1.6	104.9800	3.3200	G104.980+3.320	104.98+3.32	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
118	22 19 0.3	+60 32 41.6	105.2400	3.0200	G105.240+3.020	105.24+3.02	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
119	22 18 36.2	+60 41 31.5	105.2800	3.1700	G105.280+3.170	105.28+3.17	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
120	22 23 9.2	+61 56 26.8	106.4200	3.9200	G106.420+3.920	106.42+3.92	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
121	22 36 59.1	+61 46 01	107.7300	2.9300	G107.730+2.930	107.73+2.93	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
122	22 42 20.9	+60 57 24.6	107.9000	1.9100	G107.900+1.910	107.90+1.91	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
123	22 50 33.3	+61 53 6.9	109.2000	2.2800	G109.200+2.280	109.20+2.28	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
124	22 51 59.4	+61 43 26.3	109.2800	2.0600	G109.280+2.060	109.28+2.06	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II		2016 February
125	22 51 59.5	+61 44 46.8	109.2900	2.0800	G109.290+2.080	109.29+2.08	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
126	22 50 28.3	+62 14 18.5	109.3500	2.6000	G109.350+2.600	109.35+2.60	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II		2016 February
127	22 51 35.2	+62 18 51.7	109.5000	2.6100	G109.500+2.610	109.50+2.61	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
128	22 52 19.4	+62 27 25.5	109.6400	2.7000	G109.640+2.700	109.64+2.70	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
129	22 53 39.9	+62 19 18	109.7200	2.5100	G109.720+2.510	109.72+2.51	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II		2016 February
130	22 53 24.7	+62 32 27.8	109.7900	2.7200	G109.790+2.720	109.79+2.72	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
131	22 53 55	+62 58 10.9	110.0300	3.0800	G110.030+3.080	110.03+3.08	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
132	22 56 9.7	+62 45 35.7	110.1700	2.7800	G110.170+2.780	110.17+2.78	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
133	23 34 51.9	+62 25 35.3	114.2000	0.8600	G114.200+0.860	114.20+0.86	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	EVOLVED	2016 February
134	23 35 41.1	+62 25 26	114.2900	0.8300	G114.290+0.830	114.29+0.83	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II		2016 February
135	23 36 6.9	+62 23 49.6	114.3300	0.7900	G114.332+0.789	114.33+0.79	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
136	23 36 13.3	+62 23 25.5	114.3400	0.7800	G114.332+0.789	114.34+0.78	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
137	23 36 22.2	+62 19 58.5	114.3400	0.7200	G114.340+0.720	114.34+0.72	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II		2016 February
138	23 36 26.7	+62 24 30.9	114.3700	0.7900	G114.370+0.790	114.37+0.79	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II		2016 February
139	23 49 5.1	+63 16 41.7	115.9900	1.2500	G115.990+1.250	115.99+1.25	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
140	23 50 43.8	+65 40 41.2	116.7300	3.5400	G116.730+3.540	116.73+3.54	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
141	00 00 20	+64 01 6.6	117.3700	1.7000	G117.370+1.700	117.37+1.70	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
142	23 58 0.8	+66 14 42.2	117.5800	3.9300	G117.580+3.930	117.58+3.93	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II		2016 February
143	23 57 58.4	+66 15 52.6	117.5800	3.9500	G117.580+3.950	117.58+3.95	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
144	00 04 29.2	+65 51 17.6	118.1500	3.4200	G118.150+3.420	118.15+3.42	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
145	00 32 5.4	+65 33 23.5	120.9300	2.7600	G120.930+2.760	120.93+2.76	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
146	00 36 27.3	+65 32 11.7	121.3800	2.7100	G121.380+2.710	121.38+2.71	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
147	00 39 38.6	+64 52 59.1	121.6800	2.0400	G121.680+2.040	121.68+2.04	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
148	00 40 33.5	+65 53 53.7	121.8200	3.0500	G121.820+3.050	121.82+3.05	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
149	00 42 26.3	+64 41 41.8	121.9700	1.8400	G121.970+1.840	121.97+1.84	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
150	00 46 4.2	+64 47 8.8	122.3600	1.9200	G122.360+1.920	122.36+1.92	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II		2016 February
151	00 46 17.2	+64 38 10.4	122.3800	1.7700	G122.380+1.770	122.38+1.77	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
152	00 47 11.2	+65 27 29.2	122.4900	2.5900	G122.490+2.590	122.49+2.59	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
153	00 49 58.8	+65 23 28.7	122.7800	2.5200	G122.780+2.520	122.78+2.52	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
154	00 55 30.7	+64 31 41.8	123.3700	1.6600	G123.370+1.660	123.37+1.66	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
155	00 56 30.2	+64 21 58.9	123.4800	1.5000	G123.480+1.500	123.48+1.50	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	EVOLVED	2016 February
156	00 58 24.5	+65 41 31.3	123.6500	2.8300	G123.650+2.830	123.65+2.83	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
157	00 58 36.9	+65 44 29.3	123.6700	2.8800	G123.670+2.880	123.67+2.88	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II		2016 February
158	01 01 14.8	+66 00 45.9	123.9300	3.1600	G123.930+3.160	123.93+3.16	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
159	01 04 41.8	+65 50 12.4	124.2900	3.0000	G124.290+3.000	124.29+3.00	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
160	01 05 22.8	+66 12 13	124.3400	3.3700	G124.340+3.370	124.34+3.37	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
161	01 07 16.5	+66 13 21.3	124.5300	3.4000	G124.530+3.400	124.53+3.40	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
162	01 11 54.1	+65 09 58.9	125.0800	2.3800	G125.080+2.380	125.08+2.38	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
163	01 31 40.4	+65 07 18.1	127.1500	2.5800	G127.150+2.580	127.15+2.58	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
164	01 37 46.9	+64 35 8.1	127.8800	2.1600	G127.880+2.160	127.88+2.16	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
165	01 39 8.6	+64 49 23.3	127.9800	2.4200	G127.980+2.420	127.98+2.42	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	EVOLVED	2016 February
166	01 45 55.4	+65 05 50	128.6300	2.8300	G128.630+2.830	128.63+2.83	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
167	01 57 14.2	+64 04 7.1	130.0500	2.1100	G130.050+2.110	130.05+2.11	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
168	02 04 16.7	+63 15 7.9	131.0200	1.5300	G131.020+1.530	131.02+1.53	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
169	02 05 7.3	+63 04 43	131.1600	1.3900	G131.160+1.390	131.16+1.39	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
170	02 08 26	+62 52 18.3	131.5800	1.3000	G131.580+1.300	131.58+1.30	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
171	02 13 45.9	+60 51 22.4	132.7900	-0.4300	G132.790-0.430	132.79-0.43	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
172	02 20 47	+60 11 57.7	133.8200	-0.7700	G133.820-0.770	133.82-0.77	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II		2016 February
173	02 22 55.1	+60 53 28.7	133.8300	-0.0300	G133.830-0.030	133.83-0.03	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II		2016 February
174	02 21 08	+60 10 22.8	133.8700	-0.7800	G133.870-0.780	133.87-0.78	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II		2016 February
175	02 51 5.9	+61 09 12.3	136.8600	1.5600	G136.860+1.560	136.86+1.56	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
176	02 44 44	+58 31 10.9	137.2800	-1.1600	G137.280-1.160	137.28-1.16	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
177	02 46 0.2	+58 18 33.1	137.5200	-1.2800	G137.520-1.280	137.52-1.28	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II		2016 February
178	02 46 51.2	+58 18 41.7	137.6200	-1.2300	G137.620-1.230	137.62-1.23	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
179	02 48 22.2	+58 28 17.3	137.7300	-1.0000	G137.730-1.000	137.73-1.00	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II		2016 February
180	02 48 36.5	+58 28 2.7	137.7600	-0.9900	G137.765-0.990	137.76-0.99	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
181	02 48 40.7	+58 27 47	137.7700	-0.9900	G137.765-0.990	137.77-0.99	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
182	02 48 54.8	+58 30 13.3	137.7800	-0.9400	G137.780-0.940	137.78-0.94	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II		2016 February
183	02 48 26.8	+58 22 39.7	137.7800	-1.0800	G137.780-1.080	137.78-1.08	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II		2016 February
184	02 49 11.3	+58 29 10.4	137.8200	-0.9400	G137.820-0.940	137.82-0.94	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II		2016 February
185	02 53 13.3	+58 18 48.8	138.3700	-0.8600	G138.370-0.860	138.37-0.86	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
186	02 56 6.9	+57 25 11.6	139.1200	-1.4800	G139.120-1.480	139.12-1.48	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
187	03 07 37.7	+58 41 4.6	139.8500	0.3600	G139.850+0.360	139.85+0.36	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
188	03 09 26	+58 25 57.6	140.1800	0.2600	G140.180+0.260	140.18+0.26	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
189	03 12 24.7	+58 04 24.2	140.7000	0.1500	G140.700+0.150	140.70+0.15	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
190	03 15 58.2	+58 06 55.4	141.0800	0.4300	G141.080+0.430	141.08+0.43	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
191	03 22 14.1	+57 23 50.8	142.1700	0.2700	G142.170+0.270	142.17+0.27	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
192	03 25 20.8	+57 10 52.3	142.6400	0.3200	G142.640+0.320	142.64+0.32	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
193	03 35 47	+57 59 18.5	143.3300	1.7800	G143.330+1.780	143.33+1.78	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
194	03 31 27.1	+56 49 14.3	143.5300	0.4900	G143.530+0.490	143.53+0.49	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
195	03 36 39.2	+56 43 6.3	144.1700	0.8200	G144.170+0.820	144.17+0.82	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
196	03 37 31.6	+55 07 11.9	145.2100	-0.4000	G145.210-0.400	145.21-0.40	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February
197	03 35 6.2	+53 36 35.8	145.8100	-1.8300	G145.810-1.830	145.81-1.83	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II		2016 February
198	03 35 43	+53 40 04	145.8500	-1.7300	G145.850-1.730	145.85-1.73	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II		2016 February
199	03 37 8.4	+53 36 4.4	146.0600	-1.6600	G146.060-1.660	146.06-1.66	22 GHz;	EFF	0.02	0.050	40	-H₂O -CH₃OH II	SFR	2016 February

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 SUN18

Tip: Use "Box select" or "Lasso select" to display velocity-selected sources in Aladin all-sky view