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YUN13 - Water Maser Survey on AKARI and IRAS Sources: A Search for ""Low-velocity"" Water Fountains

Short title: Yung et al. (2013)
Authors: Yung, Bosco H. K. Nakashima, Jun-ichi Imai, Hiroshi Deguchi, Shuji Henkel, Christian Kwok, Sun
Journal: The Astrophysical Journal, Volume 769, Issue 1, article id. 20, 18 pp. (2013).
Bibcode:

Non-detection table: Show non-detection table
Detection table: Show detection table (63 detection) Non-detection table: Show non-detection table (141 non-detection)
Target type: pAGB_PN

Abstract
We present the results of a 22 GHz H₂O maser survey toward a new sample of asymptotic giant branch (AGB) and post-AGB star candidates. Most of the objects are selected for the first time based on the AKARI data, which have high flux sensitivity in the mid-infrared ranges. We aim at finding H₂O maser sources in the transient phase between the AGB and post-AGB stages of evolution, where the envelopes start to develop large deviations from spherical symmetry. The observations were carried out with the Effelsberg 100 m radio telescope. Among 204 observed objects, 63 detections (36 new) were obtained. We found four objects that may be ""water fountain"" sources (IRAS 15193+3132, IRAS 18056-1514, OH 16.3-3.0, and IRAS 18455+0448). They possess an H₂O maser velocity coverage much smaller than those in other known water fountains. However, the coverage is still larger than that of the 1612 MHz OH maser. It implies that there is an outflow with a higher velocity than the envelope expansion velocity (typically <=25 km s^-1), meeting the criterion of the water fountain class. We suggest that these candidates are possibly oxygen-rich late AGB or early post-AGB stars in a stage of evolution immediately after the spherically symmetric AGB mass loss has ceased. eprintid: arXiv:1303.2427

Abstract

We present the results of a 22 GHz H₂O maser survey toward a new sample of asymptotic giant branch (AGB) and post-AGB star candidates. Most of the objects are selected for the first time based on the AKARI data, which have high flux sensitivity in the mid-infrared ranges. We aim at finding H₂O maser sources in the transient phase between the AGB and post-AGB stages of evolution, where the envelopes start to develop large deviations from spherical symmetry. The observations were carried out with the Effelsberg 100 m radio telescope. Among 204 observed objects, 63 detections (36 new) were obtained. We found four objects that may be ""water fountain"" sources (IRAS 15193+3132, IRAS 18056-1514, OH 16.3-3.0, and IRAS 18455+0448). They possess an H₂O maser velocity coverage much smaller than those in other known water fountains. However, the coverage is still larger than that of the 1612 MHz OH maser. It implies that there is an outflow with a higher velocity than the envelope expansion velocity (typically <=25 km s^-1), meeting the criterion of the water fountain class. We suggest that these candidates are possibly oxygen-rich late AGB or early post-AGB stars in a stage of evolution immediately after the spherically symmetric AGB mass loss has ceased. eprintid:

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Detection table from Yung et al. (2013)

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ID	Obs. RA	Obs. Dec	l	b	Group id	Source name	Line	V_peak	F_peak	RMS	Detection	Class	Dist. (parallax)
	(J2000)	(J2000)	(deg.)	(deg.)			H₂O	(km/s)	(Jy)	(Jy)	Yes/No		(kpc)
1	00 19 51.3	+65 59 30.4	119.7225	3.3170	G119.723+3.317	IRAS 00170+6542	22 GHz;	-63.4	2.21	0.480	+H₂O +OH +SiO	EVOLVED
2	00 46 0.1	+69 10 53.4	122.4460	6.3149	G122.446+6.315	V524 CAS	22 GHz;	-23.5	3.36	1.008	+H₂O +OH +SiO	EVOLVED
3	03 50 57	+67 36 50	138.7903	10.4535	G138.790+10.454	IRAS 03461+6727	22 GHz;	-37.9	4.22	0.560	+H₂O	EVOLVED
4	04 24 40.4	+48 07 24.2	155.2985	-0.8854	G155.298-0.886	IRAS 04209+4800	22 GHz;	-21.0	7.55	1.926	+H₂O +OH +SiO	EVOLVED
5	06 34 37.6	+04 12 42.8	207.2652	-1.8084	G207.265-1.808	IRAS 06319+0415	22 GHz;	7.8	0.42	0.077	+H₂O +CH₃OH I -CH₃OH II +OH	GALAXY
6	13 51 51.7	-03 40 34	330.5828	55.9175	G330.583+55.918	IRAS 13492-0325	22 GHz;	-44.0	7.04	3.590	+H₂O -OH -SiO	EVOLVED
7	15 08 25.7	+09 36 18	11.0249	53.2684	G11.024+53.268	IRAS 15060+0947	22 GHz;	-12.4	11.52	1.526	+H₂O +OH +SiO	EVOLVED
8	15 21 23.3	+31 22 02	49.4720	57.1750	G49.473+57.174	IRAS 15193+3132	22 GHz;	1.3	75.52	14.730	+H₂O +OH +SiO	EVOLVED
9	17 15 56.4	-07 47 33	14.4104	17.1610	G14.410+17.161	IRAS 17132-0744	22 GHz;	4.1	0.74	0.160	+H₂O -OH +SiO	EVOLVED
10	17 19 53.4	-08 46 59.7	14.0639	15.8095	G14.064+15.809	IRAS 17171-0843	22 GHz;	-9.5	0.7	0.125	+H₂O -OH +SiO	EVOLVED
11	17 25 36.5	+01 11 06	23.8727	19.5680	G23.873+19.568	IRAS 17230+0113	22 GHz;	-25.1	1.38	0.531	+H₂O +OH +SiO	EVOLVED
12	17 36 44.5	+10 51 05	34.4196	21.4512	G34.420+21.451	IRAS 17343+1052	22 GHz;	-57.6	1.98	0.877	+H₂O +OH +SiO	EVOLVED
13	18 05 26.6	+22 30 04	48.7576	19.7803	G48.758+19.780	IRAS 18033+2229	22 GHz;	23.9	1.34	0.208	+H₂O +OH	EVOLVED
14	18 07 41	-05 18 19.6	23.1557	7.2382	G23.156+7.238	IRAS 18050-0518	22 GHz;	-27.2	1.02	0.326	+H₂O +OH +SiO	EVOLVED
15	18 08 28.4	-15 13 30	14.5121	2.3097	G14.512+2.310	IRAS 18056-1514	22 GHz;	59.3	6.4	3.379	+H₂O +OH +SiO	EVOLVED
16	18 10 58.5	+07 53 09	35.4436	12.5562	G35.444+12.556	IRAS 18085+0752	22 GHz;	-67.8	17.63	2.992	+H₂O +OH +SiO	EVOLVED
17	18 17 24.4	-17 06 23.1	13.8892	-0.4747	G13.889-0.476	1817244-170623	22 GHz;	21.4	1.5	0.224	+H₂O -CH₃OH II	SFR
18	18 27 56.3	-10 46 58	20.6715	0.2395	G20.672+0.240	IRAS 18251-1048	22 GHz;	73.5	6.75	2.714	+H₂O +OH +SiO	EVOLVED
19	18 28 11	-11 28 30	20.0866	-0.1355	G20.081-0.136	OH 20.1-0.1	22 GHz;	46.5	3.49	0.918	+H₂O +CH₃OH I +CH₃OH II +OH	SFR
20	18 31 22.9	-09 57 21.7	21.7967	-0.1274	G21.797-0.127	IRAS 18286-0959	22 GHz;	-11.1	42.24	102.093	+H₂O +OH -SiO	SFR_MIXED
21	18 31 31.5	-16 08 46.5	16.3192	-3.0163	G16.319-3.016	OH 16.3-3.0	22 GHz;	15.6	0.45	0.285	+H₂O +OH	EVOLVED
22	18 33 1.7	-10 50 11	21.2029	-0.8930	G21.203-0.893	1833016-105011	22 GHz;	51.0	5.18	0.496	+H₂O -CH₃OH II	SFR
23	18 47 41.2	-01 45 11.7	30.9439	0.0350	G30.944+0.035	W 43A	22 GHz;	-54.7	44.8	12.714	+H₂O -CH₃OH II +OH +SiO	SFR_MIXED
24	18 48 2.3	+04 51 30.5	36.8730	2.9677	G36.873+2.968	IRAS 18455+0448	22 GHz;	10.3	0.26	0.368	+H₂O +OH	EVOLVED
25	18 50 4.8	+05 59 32	38.1156	3.0293	G38.116+3.029	IRAS 18476+0555	22 GHz;	43.2	0.64	0.202	+H₂O +OH +SiO	EVOLVED
26	18 52 1.5	-01 26 46.4	31.7115	-0.7898	G31.712-0.790	IRAS 18494-0130	22 GHz;	67.5	2.56	0.794	+H₂O +OH +SiO	EVOLVED
27	19 00 17.5	+08 35 29	41.5851	1.9559	G41.585+1.956	IRAS 18578+0831	22 GHz;	38.7	0.19	0.035	+H₂O -CH₃OH II +OH +SiO	EVOLVED
28	19 05 22.1	+09 38 23	43.0912	1.3211	G43.091+1.321	IRAS 19029+0933	22 GHz;	49.8	1.12	0.541	+H₂O +OH +SiO	EVOLVED
29	19 05 28.7	+17 20 12.2	49.9627	4.8108	G49.962+4.812	IRAS 19032+1715	22 GHz;	-24.3	3.84	2.710	+H₂O -CH₃OH II -OH +SiO	UNK
30	19 08 58.5	+08 37 48.1	42.6041	0.0662	G42.604+0.066	IRAS 19065+0832	22 GHz;	64.6	0.13	0.048	+H₂O -CH₃OH II +OH +SiO	SFR_MIXED
31	19 09 11.7	+11 32 43	45.2163	1.3619	G45.215+1.365	IRAS 19068+1127	22 GHz;	5.8	1.15	1.024	+H₂O +OH +SiO	EVOLVED
32	19 11 5.4	+14 18 20	47.8801	2.2243	G47.880+2.224	IRAS 19087+1413	22 GHz;	42.0	0.96	0.278	+H₂O -OH +SiO	EVOLVED
33	19 11 17	+03 28 24.2	38.2909	-2.8201	G38.291-2.820	IRAS 19087+0323	22 GHz;	35.0	2.02	0.579	+H₂O +OH +SiO	EVOLVED
34	19 14 24	+11 09 24	45.4621	0.0511	G45.465+0.053	OH 45.5+0.0	22 GHz;	51.4	0.7	0.150	+H₂O +CH₃OH I +CH₃OH II +OH	SFR
35	19 15 35.2	+21 36 33.6	54.8680	4.6405	G54.868+4.640	IRAS 19134+2131	22 GHz;	-122.2	3.1	0.342	+H₂O -CH₃OH I -CH₃OH II -OH -SiO	EVOLVED
36	19 25 12.5	+17 14 50	52.0691	0.5962	G52.069+0.596	IRAS 19229+1708	22 GHz;	42.4	4.42	3.037	+H₂O +OH +SiO	EVOLVED
37	19 29 30.2	+14 00 49	49.7185	-1.8535	G49.718-1.854	IRAS 19271+1354	22 GHz;	53.9	0.67	0.397	+H₂O +OH +SiO	EVOLVED
38	19 31 39	+22 35 17.2	57.4856	1.8171	G57.485+1.817	IRAS 19295+2228	22 GHz;	-81.1	0.45	0.118	+H₂O +OH +SiO	EVOLVED
39	19 33 1.7	+13 44 42	49.8937	-2.7331	G49.893-2.733	IRAS 19307+1338	22 GHz;	30.4	3.68	2.141	+H₂O +OH +SiO	EVOLVED
40	19 33 24.3	+19 56 55	55.3707	0.1853	G55.371+0.185	IRAS 19312+1950	22 GHz;	17.3	2.11	0.701	+H₂O +CH₃OH I -CH₃OH II +OH +SiO	SFR
41	19 37 13.6	+17 03 49	53.2895	-2.0089	G53.290-2.009	IRAS 19349+1657	22 GHz;	-1.2	0.45	0.118	+H₂O -OH +SiO	EVOLVED
42	19 39 53	+05 57 53.2	43.8532	-7.9516	G43.853-7.952	IRAS 19374+0550	22 GHz;	-23.0	2.91	1.194	+H₂O -CH₃OH II +OH +SiO	EVOLVED
43	19 41 27	+24 54 56	60.6120	0.9945	G60.612+0.995	IRAS 19393+2447	22 GHz;	4.9	0.9	0.451	+H₂O -OH +SiO	EVOLVED
44	19 41 43.4	+19 56 31.7	56.3218	-1.5227	G56.322-1.523	IRAS 19395+1949	22 GHz;	34.2	0.8	0.435	+H₂O +OH +SiO	EVOLVED
45	19 48 16	+35 22 6.1	70.4243	4.9233	G70.424+4.923	IRAS 19464+3514	22 GHz;	13.0	0.06	0.138	+H₂O +OH +SiO	EVOLVED
46	19 59 51.3	+32 32 09	69.2239	1.4077	G69.224+1.408	IRAS 19579+3223	22 GHz;	4.1	1.57	0.624	+H₂O -CH₃OH II +OH +SiO	EVOLVED
47	20 01 55	+33 34 24	70.3336	1.5876	G70.330+1.589	OH 70.3+1.6	22 GHz;	-43.2	0.19	0.224	+H₂O +OH	SFR
48	20 05 0.3	+28 08 00	66.0806	-1.8692	G66.081-1.869	IRAS 20029+2759	22 GHz;	17.7	0.38	0.838	+H₂O -OH +SiO	EVOLVED
49	20 21 42.7	+17 17 18	59.0130	-10.9892	G59.013-10.989	IRAS 20194+1707	22 GHz;	25.5	0.22	0.106	+H₂O +OH +SiO	EVOLVED
50	20 46 33.2	+04 23 35	51.1156	-23.0965	G51.116-23.096	IRAS 20440+0412	22 GHz;	-50.2	4.83	0.650	+H₂O +OH	EVOLVED
51	21 09 46.6	+18 24 50	66.9229	-19.5894	G66.923-19.589	IRAS 21074+1812	22 GHz;	25.1	0.77	0.096	+H₂O +OH +SiO	EVOLVED
52	21 23 9.2	+55 49 14.8	96.5594	4.0081	G96.559+4.008	IRAS 21216+5536	22 GHz;	-9.1	2.3	1.174	+H₂O -OH +SiO	EVOLVED
53	21 35 52.4	+51 14 42	94.7880	-0.6140	G94.788-0.614	IRAS 21341+5101	22 GHz;	-6.2	2.98	0.278	+H₂O +SiO	EVOLVED
54	21 46 52.6	+60 13 48.5	101.8653	5.1417	G101.865+5.142	IRAS 21453+5959	22 GHz;	-37.0	1.12	0.614	+H₂O +SiO	EVOLVED
55	21 58 1.3	+56 44 49.6	100.8107	1.5171	G100.811+1.517	IRAS 21563+5630	22 GHz;	-6.6	0.61	0.077	+H₂O -OH +SiO	EVOLVED
56	22 07 20.1	+40 48 42	92.3912	-12.1313	G92.391-12.131	IRAS 22052+4034	22 GHz;	-26.3	1.15	0.234	+H₂O +OH	EVOLVED
57	22 11 31.9	+57 02 17.4	102.4702	0.6601	G102.470+0.660	IRAS 22097+5647	22 GHz;	-57.2	7.52	2.698	+H₂O -CH₃OH II +OH +SiO	EVOLVED
58	22 16 10.4	+52 21 33.2	100.3779	-3.5787	G100.377-3.579	2216103+522133	22 GHz;	-35.4	13.47	3.264	+H₂O -CH₃OH I -CH₃OH II -OH	SFR
59	22 20 20.1	+32 40 27.3	89.5942	-20.2411	G89.594-20.241	IRAS 22180+3225	22 GHz;	-16.8	0.38	0.090	+H₂O +OH	EVOLVED
60	22 33 55	+65 39 18.5	109.3834	6.4681	G109.383+6.468	2233550+653918	22 GHz;	-13.6	0.64	0.138	+H₂O -CH₃OH II	SFR
61	22 48 14	+69 58 28.5	112.6883	9.5924	G112.688+9.592	IRAS 22466+6942	22 GHz;	-46.5	4.7	0.794	+H₂O +OH +SiO	EVOLVED
62	22 54 31.9	+60 49 38	109.1606	1.1203	G109.160+1.121	IRAS 22525+6033	22 GHz;	-46.5	10.94	13.715	+H₂O +OH +SiO	EVOLVED
63	23 44 3.3	+61 47 22	115.0581	-0.0478	G115.059-0.048	IRAS 23416+6130	22 GHz;	-45.7	1.6	8.950	+H₂O -CH₃OH II +OH +SiO	EVOLVED

Non-detection table from Yung et al. (2013)

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ID	Obs. RA	Obs. Dec	l	b	Group id	Source name	Line	RMS	Detection	Class
	(J2000)	(J2000)	(deg.)	(deg.)			H₂O	(Jy)	Yes/No
1	00 00 6.6	+25 53 11.2	108.7129	-35.5641	G108.713-35.564	IRAS 23575+2536	22 GHz;	0.397	-H₂O -OH +SiO	EVOLVED
2	02 00 44.1	+58 59 03	131.7680	-2.6936	G131.768-2.694	IRAS 01572+5844	22 GHz;	0.496	-H₂O +OH	EVOLVED
3	02 57 27.5	+11 18 5.7	165.6155	-40.8988	G165.616-40.899	IRAS 02547+1106	22 GHz;	0.320	-H₂O +OH +SiO	EVOLVED
4	03 05 52.9	+54 20 53.9	141.7917	-3.5253	G141.792-3.525	IRAS 03022+5409	22 GHz;	0.394	-H₂O +SiO	EVOLVED
5	03 25 8.8	+65 32 07	137.9705	7.2561	G137.970+7.256	IRAS 03206+6521	22 GHz;	0.288	-H₂O -CH₃OH II +OH +SiO	EVOLVED
6	05 16 47.1	+45 34 04	162.9509	4.3323	G162.951+4.332	IRAS 05131+4530	22 GHz;	0.275	-H₂O +OH +SiO	EVOLVED
7	05 31 24.7	+19 47 19	186.0558	-7.5930	G186.056-7.593	IRAS 05284+1945	22 GHz;	0.282	-H₂O +OH +SiO	EVOLVED
8	05 53 43.6	+24 14 44.4	184.9549	-0.8561	G184.957-0.852	IRAS 05506+2414	22 GHz;	0.323	+H₂O -CH₃OH II +OH	SFR
9	05 58 7.5	+17 20 58.5	191.4389	-3.4317	G191.439-3.432	IRAS 05552+1720	22 GHz;	0.282	-H₂O +OH +SiO	EVOLVED
10	06 14 59.4	+12 20 16	197.8071	-2.3071	G197.807-2.307	IRAS 06121+1221	22 GHz;	0.365	-H₂O -CH₃OH II +OH	SFR
11	06 26 37.3	+09 02 14.9	202.0656	-1.3387	G202.066-1.339	IRAS 06238+0904	22 GHz;	0.762	-H₂O +OH	EVOLVED
12	07 59 40.1	+15 23 12.4	206.2992	21.8819	G206.299+21.882	0759401+152312	22 GHz;	0.928	-H₂O	GALAXY
13	16 05 46.3	-06 42 27.9	4.4825	32.1041	G4.482+32.104	IRAS 16030-0634	22 GHz;	0.483	-H₂O -OH +SiO	EVOLVED
14	16 11 44.5	+12 04 16.6	25.3334	40.8360	G25.334+40.840	1611445+120416	22 GHz;	0.397	-H₂O -OH	EVOLVED
15	16 15 47.7	-02 23 31.9	10.3516	32.6490	G10.352+32.649	IRAS 16131-0216	22 GHz;	0.458	-H₂O -OH +SiO	EVOLVED
16	16 44 29.5	+23 47 59.8	43.1092	37.7592	G43.109+37.760	1644295+234759	22 GHz;	0.419	-H₂O -OH	EVOLVED
17	17 08 10.2	-02 20 21	18.3049	21.6326	G18.305+21.633	IRAS 17055-0216	22 GHz;	0.458	+H₂O -OH +SiO	EVOLVED
18	17 22 2.3	-06 04 13	16.7698	16.7569	G16.770+16.757	IRAS 17193-0601	22 GHz;	0.445	-H₂O -OH +SiO	EVOLVED
19	17 33 13.9	+08 20 41	31.5913	21.1531	G31.591+21.153	IRAS 17308+0822	22 GHz;	0.458	-H₂O +OH +SiO	EVOLVED
20	17 44 55.4	+50 02 39.5	77.1331	30.8697	G77.132+30.871	1744554+500239	22 GHz;	0.291	-H₂O +OH	EVOLVED
21	17 49 6.9	+08 06 10.2	33.1838	17.5135	G33.184+17.514	1749069+080610	22 GHz;	0.438	-H₂O	GALAXY
22	17 51 20.4	-15 12 26.6	12.4824	5.9134	G12.482+5.915	IRAS 17484-1511	22 GHz;	0.602	-H₂O -CH₃OH II +OH	EVOLVED
23	17 55 53.1	-09 41 24	17.8603	7.6907	G17.860+7.691	IRAS 17531-0940	22 GHz;	0.502	-H₂O +OH	EVOLVED
24	17 58 33.4	+66 37 59.9	96.4683	29.9545	G96.468+29.955	1758333+663759	22 GHz;	0.326	-H₂O -OH	EVOLVED
25	18 00 7.1	+66 36 54.3	96.4466	29.7996	G96.447+29.800	1800071+663654	22 GHz;	0.432	-H₂O	GALAXY
26	18 11 30.7	+27 05 15.5	53.8354	20.1804	G53.835+20.180	IRAS 18095+2704	22 GHz;	0.416	-H₂O +OH	EVOLVED
27	18 12 6.3	+06 51 13.1	34.6235	11.8481	G34.623+11.848	1812063+065113	22 GHz;	0.333	-H₂O -OH	EVOLVED
28	18 12 47.4	-14 48 50	15.3748	1.5943	G15.375+1.594	IRAS 18099-1449	22 GHz;	0.518	+H₂O -OH +SiO	EVOLVED
29	18 12 50.5	-12 49 44.8	17.1246	2.5334	G17.125+2.533	IRAS 18100-1250	22 GHz;	0.490	+H₂O -OH +SiO	SFR_MIXED
30	18 14 38.7	-16 24 39	14.1860	0.4380	G14.186+0.438	IRAS 18117-1625	22 GHz;	0.509	+H₂O +OH +SiO	EVOLVED
31	18 14 41.4	-16 14 03	14.3463	0.5130	G14.346+0.513	IRAS 18118-1615	22 GHz;	0.522	-H₂O +OH +SiO	EVOLVED
32	18 14 49.4	+05 12 55.2	33.4366	10.5121	G33.437+10.512	IRAS 18123+0511	22 GHz;	0.387	-H₂O +OH -SiO	EVOLVED
33	18 15 39.9	-15 15 13	15.3202	0.7743	G15.320+0.774	IRAS 18127-1516	22 GHz;	0.518	+H₂O +OH +SiO	EVOLVED
34	18 16 25.7	-14 55 14.5	15.7008	0.7706	G15.701+0.770	OH 15.7+0.8	22 GHz;	0.598	+H₂O -CH₃OH I -CH₃OH II +OH +SiO	EVOLVED
35	18 17 34.1	+10 09 3.7	38.2578	12.0849	G38.258+12.085	1817340+100903	22 GHz;	0.301	-H₂O -OH	SFR_MIXED
36	18 18 7.2	+06 56 17.6	35.3768	10.5485	G35.375+10.551	IRAS 18156+0655	22 GHz;	0.515	-H₂O -OH +SiO	EVOLVED
37	18 24 5.3	-12 26 14.1	18.7682	0.3017	G18.769+0.302	OH 18.8+0.4	22 GHz;	0.442	-H₂O -CH₃OH II +OH -SiO	EVOLVED
38	18 25 51	+21 52 14.4	50.0696	15.1816	G50.070+15.182	IRAS 18237+2150	22 GHz;	0.445	-H₂O +OH	EVOLVED
39	18 26 19.8	-04 45 46.7	25.8205	3.3887	G25.822+3.388	IRAS 18236-0447	22 GHz;	0.400	-H₂O -CH₃OH I -CH₃OH II +OH	EVOLVED
40	18 27 9.3	+01 14 28	31.2647	5.9683	G31.265+5.968	1827092+011427	22 GHz;	0.502	-H₂O	EVOLVED
41	18 27 12	-05 51 1.1	24.9562	2.6928	G24.957+2.691	IRAS 18245-0552	22 GHz;	0.480	-H₂O +OH +SiO	EVOLVED
42	18 29 16.2	+00 18 22.3	30.6719	5.0708	G30.672+5.071	1829161+001822	22 GHz;	0.509	-H₂O	SFR
43	18 29 55.3	+00 49 39.5	31.2124	5.1640	G31.212+5.164	1829553+004939	22 GHz;	0.496	-H₂O	SFR
44	18 30 6.2	+00 42 33.6	31.1274	5.0698	G31.128+5.070	1830061+004233	22 GHz;	0.381	-H₂O -CH₃OH I -OH	SFR
45	18 30 07	-07 36 50.9	23.7280	1.2337	G23.727+1.235	IRAS 18273-0738	22 GHz;	0.451	+H₂O -CH₃OH II +OH +SiO	EVOLVED
46	18 34 51.6	-08 18 21	23.6568	-0.1274	G23.657-0.127	1834515-081820	22 GHz;	0.429	-H₂O -CH₃OH I +CH₃OH II +OH -SiO	SFR
47	18 39 23	-05 53 23.2	26.3184	-0.0143	G26.318-0.015	1839230-055323	22 GHz;	0.522	-H₂O -CH₃OH II	SFR
48	18 52 32.8	+10 23 30.8	42.3247	4.4746	G42.324+4.475	IRAS 18501+1019	22 GHz;	0.336	-H₂O +OH +SiO	EVOLVED
49	18 54 20.9	+00 41 4.5	33.8730	-0.3353	G33.873-0.335	IRAS 18517+0037	22 GHz;	0.371	-H₂O +OH +SiO	EVOLVED
50	18 54 25.1	+00 49 58.2	34.0129	-0.2833	G34.013-0.283	1854250+004958	22 GHz;	0.435	-H₂O -CH₃OH I -CH₃OH II +OH	SFR
51	20 53 38	+44 58 7.4	85.3936	0.1269	G85.394+0.127	OH 1854+02	22 GHz;	0.342	-H₂O -CH₃OH II +OH +SiO	EVOLVED
52	19 01 10.7	+05 25 46	38.8726	0.3152	G38.873+0.315	IRAS 18587+0521	22 GHz;	0.506	+H₂O -CH₃OH I -CH₃OH II +OH -SiO	SFR
53	19 02 4.7	+06 10 9.5	39.6329	0.4548	G39.633+0.455	IRAS 18596+0605	22 GHz;	0.496	-H₂O +SiO	EVOLVED
54	19 03 33.5	+05 31 30.4	39.2289	-0.1674	G39.229-0.167	IRAS 19010+0526	22 GHz;	0.502	-H₂O +OH +SiO	EVOLVED
55	19 04 9.7	+06 13 16	39.9162	0.0182	G39.916+0.018	IRAS 19017+0608	22 GHz;	0.496	-H₂O +OH +SiO	SFR_MIXED
56	19 04 36.3	+19 28 29.3	51.7853	5.9603	G51.785+5.960	IRAS 19024+1923	22 GHz;	0.470	-H₂O +OH +SiO	EVOLVED
57	19 04 43.5	+07 50 19	41.4176	0.6361	G41.417+0.637	IRAS 19023+0745	22 GHz;	0.490	-H₂O +OH +SiO	EVOLVED
58	19 05 14.3	+05 21 52.2	39.2779	-0.6126	G39.278-0.613	IRAS 19027+0517	22 GHz;	0.512	-H₂O +OH	EVOLVED
59	19 06 31.1	+09 57 17	43.5013	1.2139	G43.501+1.214	IRAS 19041+0952	22 GHz;	0.512	-H₂O +OH +SiO	EVOLVED
60	19 06 49.4	+08 37 50	42.3596	0.5386	G42.360+0.539	IRAS 19044+0833	22 GHz;	0.506	-H₂O -OH +SiO	EVOLVED
61	19 06 58.7	+15 43 58	48.6941	3.7612	G48.694+3.761	IRAS 19047+1539	22 GHz;	0.480	-H₂O -OH +SiO	EVOLVED
62	19 08 3.2	+02 30 30.2	37.0619	-2.5474	G37.062-2.547	IRAS 19055+0225	22 GHz;	0.339	-H₂O +OH +SiO	EVOLVED
63	19 09 38.4	+06 30 05	40.7911	-1.0615	G40.791-1.061	IRAS 19071+0625	22 GHz;	0.554	-H₂O -OH +SiO	UNK
64	19 10 00	+04 37 8.1	39.1611	-2.0085	G39.161-2.009	1909599+043708	22 GHz;	0.413	-H₂O -CH₃OH I -CH₃OH II -OH	EVOLVED
65	19 10 19.5	+11 49 04	45.5858	1.2421	G45.586+1.242	IRAS 19079+1143	22 GHz;	0.538	-H₂O +OH +SiO	EVOLVED
66	19 10 54.5	+01 24 44.2	36.4142	-3.6842	G36.414-3.684	1910544+012444	22 GHz;	0.442	-H₂O -OH	EVOLVED
67	19 10 57.2	+10 43 38	44.6895	0.6018	G44.689+0.602	IRAS 19085+1038	22 GHz;	0.474	-H₂O -OH	EVOLVED
68	19 13 58.6	+00 07 30.4	35.6196	-4.9560	G35.620-4.956	IRAS 19114+0002	22 GHz;	0.579	-H₂O +OH -SiO	EVOLVED
69	19 14 19.6	+11 10 35	45.4712	0.0762	G45.471+0.076	IRAS 19117+1107	22 GHz;	0.394	-H₂O +OH +SiO	EVOLVED
70	19 14 40.8	+11 44 49.4	46.0168	0.2646	G46.017+0.265	1914408+114449	22 GHz;	0.403	-H₂O +OH -SiO	EVOLVED
71	19 22 17.2	+21 07 24.8	55.1631	3.0334	G55.163+3.033	IRAS 19201+2101	22 GHz;	0.314	-H₂O -CH₃OH II +OH -SiO	SFR_MIXED
72	19 24 59.1	+36 01 42.4	68.7428	9.3942	G68.743+9.394	IRAS 19231+3555	22 GHz;	0.317	-H₂O +OH +SiO	EVOLVED
73	19 30 38.1	+14 27 55.7	50.2467	-1.8776	G50.246-1.877	IRAS 19283+1421	22 GHz;	0.320	-H₂O -CH₃OH II +OH +SiO	EVOLVED
74	19 31 22.5	+18 13 20	53.6272	-0.2279	G53.630-0.239	OH 53.6-0.2	22 GHz;	0.502	-H₂O +OH	EVOLVED
75	19 32 55.1	+14 13 37.8	50.3038	-2.4774	G50.303-2.477	1932551+141337	22 GHz;	0.429	-H₂O -OH	EVOLVED
76	19 33 7.2	+20 28 59	55.8061	0.5023	G55.806+0.502	IRAS 19309+2022	22 GHz;	0.490	-H₂O +OH +SiO	EVOLVED
77	19 33 46	+18 13 56.6	53.9104	-0.7204	G53.910-0.721	IRAS 19315+1807	22 GHz;	0.496	-H₂O -CH₃OH II -OH -SiO	EVOLVED
78	19 34 28.7	+21 10 29	56.5650	0.5596	G56.565+0.560	IRAS 19323+2103	22 GHz;	0.509	-H₂O -OH +SiO	EVOLVED
79	19 39 39.2	+16 33 41.1	53.1356	-2.7610	G53.137-2.763	IRAS 19374+1626	22 GHz;	0.512	-H₂O -CH₃OH II +OH -SiO	EVOLVED
80	19 43 34	+22 44 59	58.9723	-0.5011	G58.972-0.501	IRAS 19414+2237	22 GHz;	0.554	-H₂O +OH +SiO	EVOLVED
81	19 46 8.8	+22 59 24	59.4776	-0.8956	G59.478-0.897	IRAS 19440+2251	22 GHz;	0.490	-H₂O +OH +SiO	EVOLVED
82	19 49 29.6	+31 27 16.1	67.1634	2.7325	G67.163+2.733	1949296+312716	22 GHz;	0.458	-H₂O -OH	EVOLVED
83	19 52 51.6	+39 43 26.1	74.6683	6.3238	G74.668+6.323	1952516+394326	22 GHz;	0.522	-H₂O -OH -SiO	EVOLVED
84	20 00 39.2	+13 31 36	53.0503	-8.6687	G53.050-8.668	IRAS 19583+1323	22 GHz;	0.573	-H₂O -OH +SiO	EVOLVED
85	20 01 59.6	+32 47 33	69.6794	1.1608	G69.679+1.161	2001595+324733	22 GHz;	0.406	-H₂O -OH	EVOLVED
86	20 03 8.3	+25 17 27	63.4502	-3.0299	G63.450-3.030	IRAS 20010+2508	22 GHz;	0.502	-H₂O -OH +SiO	EVOLVED
87	20 04 20.8	+29 04 6.5	66.7941	-1.2475	G66.794-1.247	IRAS 20023+2855	22 GHz;	0.368	-H₂O +OH +SiO	EVOLVED
88	20 04 17.3	+22 04 59	60.8624	-4.9523	G60.862-4.952	IRAS 20021+2156	22 GHz;	0.614	+H₂O -OH +SiO	EVOLVED
89	20 04 21.6	+17 48 34.6	57.2172	-7.2165	G57.217-7.216	IRAS 20020+1739	22 GHz;	0.650	-H₂O -OH +SiO	EVOLVED
90	20 05 30	+32 51 38.3	70.1298	0.5736	G70.128+0.574	2005300+325138	22 GHz;	0.614	-H₂O -CH₃OH I -CH₃OH II -OH	EVOLVED
91	20 06 22.8	+27 02 10.6	65.3169	-2.7143	G65.317-2.715	IRAS 20043+2653	22 GHz;	0.387	-H₂O +OH +SiO	EVOLVED
92	20 10 23.7	+46 27 39.7	82.1356	7.0935	G82.136+7.093	2010236+462739	22 GHz;	0.470	-H₂O	SFR_MIXED
93	20 12 42.8	+19 59 22.4	60.1383	-7.7325	G60.138-7.732	2012428+195922	22 GHz;	0.499	-H₂O	EVOLVED
94	20 13 57.9	+29 33 54	68.3504	-2.7387	G68.349-2.738	2013579+293354	22 GHz;	0.480	-H₂O -OH	EVOLVED
95	20 15 57.3	+47 05 34.5	83.1905	6.6366	G83.191+6.637	2015573+470534	22 GHz;	0.461	-H₂O +OH	EVOLVED
96	20 17 48.9	+21 40 04	62.2141	-7.8187	G62.214-7.818	IRAS 20156+2130	22 GHz;	0.634	-H₂O +OH +SiO	EVOLVED
97	20 20 21.9	+22 43 48.5	63.4369	-7.7234	G63.437-7.724	IRAS 20181+2234	22 GHz;	0.614	-H₂O +OH +SiO	EVOLVED
98	20 21 32.8	+37 12 18.4	75.5648	0.2372	G75.565+0.237	2021328+371218	22 GHz;	0.368	-H₂O -CH₃OH II	SFR
99	20 21 38.8	+37 31 12	75.8349	0.4003	G75.835+0.400	2021388+373111	22 GHz;	0.582	-H₂O +CH₃OH I -CH₃OH II -SiO	SFR_MIXED
100	20 22 20.1	+62 53 2.2	97.2036	14.4280	G97.204+14.428	IRAS 20215+6243	22 GHz;	0.400	-H₂O -OH +SiO	EVOLVED
101	20 28 30	+39 06 57	77.9138	0.2233	G77.916+0.223	IRAS 20266+3856	22 GHz;	0.346	-H₂O +OH	EVOLVED
102	20 31 26.5	+62 56 49.8	97.8399	13.5928	G97.840+13.593	IRAS 20305+6246	22 GHz;	0.403	-H₂O -OH +SiO	EVOLVED
103	20 32 54.1	+37 51 28.8	77.4054	-1.2139	G77.404-1.213	2032541+375128	22 GHz;	0.435	-H₂O -CH₃OH I -CH₃OH II -OH	SFR
104	20 45 54	+67 57 38.5	102.9697	15.2315	G102.970+15.231	2045540+675738	22 GHz;	0.416	+H₂O -CH₃OH I -CH₃OH II -OH	EVOLVED
105	20 46 53.8	+05 51 28.5	52.5080	-22.3865	G52.508-22.387	IRAS 20444+0540	22 GHz;	0.531	-H₂O -CH₃OH II +OH +SiO	EVOLVED
106	20 48 16.6	+34 27 24.4	76.6012	-5.7469	G76.601-5.747	2048166+342724	22 GHz;	0.448	-H₂O -OH	EVOLVED
107	20 49 20.7	+53 48 02	91.7841	6.2760	G91.784+6.276	IRAS 20479+5336	22 GHz;	0.416	-H₂O -OH +SiO	EVOLVED
108	20 53 48	+53 13 58.7	91.7633	5.4041	G91.764+5.403	IRAS 20523+5302	22 GHz;	0.422	-H₂O -OH +SiO	EVOLVED
109	20 53 38	+44 58 7.4	85.3936	0.1269	G85.394+0.127	OH 85.4+0.1	22 GHz;	0.394	-H₂O -CH₃OH II +OH +SiO	EVOLVED
110	20 56 10.1	+83 03 25.3	116.4625	23.3869	G116.463+23.386	IRAS 21000+8251	22 GHz;	0.403	-H₂O -OH +SiO	EVOLVED
111	20 56 24.3	+52 57 01	91.7977	4.9229	G91.798+4.922	IRAS 20549+5245	22 GHz;	0.419	-H₂O -CH₃OH II +OH +SiO	EVOLVED
112	20 58 53.7	+44 15 28.6	85.4598	-1.0469	G85.460-1.047	2058537+441528	22 GHz;	0.422	+H₂O -CH₃OH I -CH₃OH II -SiO	SFR_MIXED
113	20 58 55.6	+49 31 12.4	89.4424	2.3936	G89.442+2.394	2058555+493112	22 GHz;	0.413	-H₂O -OH	EVOLVED
114	20 59 14.1	+78 23 4.3	112.4159	20.5988	G112.415+20.598	2059141+782304	22 GHz;	0.410	+H₂O	SFR_MIXED
115	21 19 7.5	+46 18 46.7	89.3841	-2.2667	G89.384-2.267	2119074+461846	22 GHz;	0.461	-H₂O	EVOLVED
116	21 52 19.4	+62 48 39.5	104.0227	6.7155	G104.023+6.715	IRAS 21509+6234	22 GHz;	0.397	-H₂O -OH +SiO	EVOLVED
117	21 53 46.1	+60 32 14.2	102.7213	4.8386	G102.721+4.839	IRAS 21522+6018	22 GHz;	0.406	+H₂O -OH +SiO	EVOLVED
118	21 54 14.5	+56 57 26.4	100.5334	2.0012	G100.534+2.000	2154144+565726	22 GHz;	0.307	-H₂O -CH₃OH I -OH	EVOLVED
119	21 56 58.3	+62 18 45.6	104.1306	5.9919	G104.130+5.991	IRAS 21554+6204	22 GHz;	0.352	-H₂O -CH₃OH I -CH₃OH II +OH +SiO	EVOLVED
120	22 04 12.5	+53 04 02	99.3039	-1.9557	G99.304-1.956	2204124+530401	22 GHz;	0.355	-H₂O	EVOLVED
121	22 05 30.5	+53 21 33	99.6338	-1.8356	G99.634-1.836	IRAS 22036+5306	22 GHz;	0.243	-H₂O -CH₃OH II +OH	EVOLVED
122	22 12 15.4	+51 35 03	99.4403	-3.8774	G99.440-3.877	IRAS 22103+5120	22 GHz;	0.333	-H₂O +OH +SiO	EVOLVED
123	22 19 5.5	+61 36 16.1	105.8327	3.8991	G105.833+3.899	2219055+613616	22 GHz;	0.426	-H₂O	SFR_MIXED
124	22 19 52.1	+63 35 32.4	107.0039	5.5107	G107.004+5.511	2219520+633532	22 GHz;	0.522	-H₂O	SFR
125	22 23 55.7	+50 58 0.2	100.6221	-5.4023	G100.623-5.401	2223557+505800	22 GHz;	0.544	-H₂O -OH	SFR_MIXED
126	22 24 31.4	+43 43 10.9	96.7542	-11.5594	G96.754-11.559	2224314+434310	22 GHz;	0.755	-H₂O -OH	EVOLVED
127	22 35 23.6	+75 17 08	114.4857	14.6932	G114.486+14.692	2235235+751708	22 GHz;	0.394	+H₂O -CH₃OH I -CH₃OH II -OH	SFR
128	22 36 27.7	+58 25 31	106.0226	0.0563	G106.023+0.056	IRAS 22345+5809	22 GHz;	0.250	-H₂O +OH	EVOLVED
129	22 40 59.8	+69 46 14.7	112.0343	9.7083	G112.034+9.708	IRAS 22394+6930	22 GHz;	0.381	+H₂O +OH +SiO	EVOLVED
130	22 41 27.1	+56 39 08	105.7453	-1.8185	G105.745-1.819	IRAS 22394+5623	22 GHz;	0.384	-H₂O +SiO	EVOLVED
131	22 51 39	+51 50 42.7	104.8387	-6.7683	G104.839-6.768	2251389+515042	22 GHz;	0.486	-H₂O	EVOLVED
132	22 54 12	+22 39 34	90.4576	-32.7168	G90.458-32.717	IRAS 22517+2223	22 GHz;	0.362	-H₂O +OH	EVOLVED
133	22 59 18.4	+66 25 47.8	112.0404	5.9589	G112.040+5.959	2259184+662547	22 GHz;	0.374	-H₂O -CH₃OH II -OH -SiO	EVOLVED
134	23 10 32	+67 39 40	113.5459	6.6470	G113.546+6.647	2310320+673939	22 GHz;	0.237	-H₂O	GALAXY
135	23 12 29.2	+61 25 34.1	111.3851	0.7928	G111.385+0.793	2312291+612534	22 GHz;	0.253	-H₂O -CH₃OH II -OH	SFR
136	23 32 44.8	+62 03 48.9	113.8571	0.5863	G113.857+0.586	2332448+620348	22 GHz;	0.675	-H₂O -OH	EVOLVED
137	23 37 40	+58 50 47	113.5020	-2.6681	G113.502-2.668	IRAS 23352+5834	22 GHz;	0.506	-H₂O +OH +SiO	EVOLVED
138	23 38 27.1	+64 54 37	115.2908	3.1269	G115.291+3.127	IRAS 23361+6437	22 GHz;	0.506	-H₂O +OH -SiO	EVOLVED
139	23 51 27.3	+62 51 47.1	116.1534	0.7834	G116.153+0.783	IRAS 23489+6235	22 GHz;	0.378	-H₂O +SiO	EVOLVED
140	23 58 1.3	+56 29 13.4	115.5699	-5.6192	G115.570-5.619	IRAS 23554+5612	22 GHz;	0.368	-H₂O -OH +SiO	EVOLVED
141	23 58 38.7	+60 53 48	116.5543	-1.3197	G116.554-1.320	IRAS 23561+6037	22 GHz;	0.371	-H₂O +SiO	EVOLVED

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 YUN13

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