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MAT00 - Infrared Properties of SiO Maser Sources in Late-Type Stars

Short title: Matsuura et al. (2000)
Authors: Matsuura, Mikako Yamamura, Issei Murakami, Hiroshi Onaka, Takashi Ootsubo, Takafumi Tohya, Takanao Okamura, Yoshihiko Freund, Minoru M. Tanaka, Masahiro
Journal: Publications of the Astronomical Society of Japan, v.52, p.895-907.
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Abstract
The results of an SiO maser survey for late-type stars selected by the IRTS (Infrared Telescope in Space) are presented. We have detected SiO J=1-0, v=1 and/or v=2 lines in 27 stars out of 59 stars. The maser intensity increases with the depth of the H_2O absorption in the infrared spectra and redness of the 2.2 and 12 mu m color. The column densities of the water vapor in the target stars were estimated from the depth of the water absorption in the IRTS spectra. We found that the SiO maser was detected mostly in the stars with a column density of water vapor higher than 3E¹⁹-3E²⁰ cm^-2. We further estimated the density of hydrogen molecules in the outer atmosphere corresponding to these column densities, obtaining 10⁹-10¹⁰ cm^-3 as a lower limit. These values are roughly in agreement with the critical hydrogen density predicted by models for the excitation of SiO masers. It is possible that the SiO masers are excited in clumps with column density even higher than this value. The present results provide useful information for the understanding of the physical conditions of the outer atmospheres in late-type stars. eprintid: arXiv:astro-ph/0006009

Abstract

The results of an SiO maser survey for late-type stars selected by the IRTS (Infrared Telescope in Space) are presented. We have detected SiO J=1-0, v=1 and/or v=2 lines in 27 stars out of 59 stars. The maser intensity increases with the depth of the H_2O absorption in the infrared spectra and redness of the 2.2 and 12 mu m color. The column densities of the water vapor in the target stars were estimated from the depth of the water absorption in the IRTS spectra. We found that the SiO maser was detected mostly in the stars with a column density of water vapor higher than 3*E¹⁹-3*E²⁰ cm^-2. We further estimated the density of hydrogen molecules in the outer atmosphere corresponding to these column densities, obtaining 10⁹-10¹⁰ cm^-3 as a lower limit. These values are roughly in agreement with the critical hydrogen density predicted by models for the excitation of SiO masers. It is possible that the SiO masers are excited in clumps with column density even higher than this value. The present results provide useful information for the understanding of the physical conditions of the outer atmospheres in late-type stars. eprintid: arXiv:astro-ph/0006009

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Detection table from Matsuura et al. (2000)

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ID	Obs. RA	Obs. Dec	l	b	Group id	Source name	Line	V_peak	T_a	∫T_a dv	Telescope	RMS	List	Detection	Class	Dist. (parallax)	Ref.
	(J2000)	(J2000)	(deg.)	(deg.)			SiO	(km/s)	(K)	(K*km/s)		(Jy)		Yes/No		(kpc)
1	02 29 53.1	+69 16 56.9	131.4893	8.0628	G131.489+8.063	IRAS02255+6903	SiO J=1-0 v=1;	-29.7	0.78	2.19	NRO	0.040	NRO	-OH +SiO	EVOLVED		MAT00
2	02 29 53.1	+69 16 56.9	131.4893	8.0628	G131.489+8.063	IRAS02255+6903	SiO J=1-0 v=2;	-28.9	0.92	3.16	NRO	0.040	NRO	-OH +SiO	EVOLVED		MAT00
3	02 29 53.1	+69 16 56.9	131.4893	8.0628	G131.489+8.063	IRAS02255+6903	SiO J=2-1 v=1;	-31.1	0.35	0.64	NRO	0.070	NRO	-OH +SiO	EVOLVED		MAT00
4	04 12 17.7	+58 40 3.8	146.5940	5.3555	G146.594+5.355	IRAS04081+5832	SiO J=1-0 v=1;	-111.9	0.15	0.47	NRO	0.020	NRO	+SiO	EVOLVED		MAT00
5	04 12 17.7	+58 40 3.8	146.5940	5.3555	G146.594+5.355	IRAS04081+5832	SiO J=1-0 v=2;	-112.9	0.1	0.34	NRO	0.020	NRO	+SiO	EVOLVED		MAT00
6	06 28 55.9	-11 50 59.1	221.0542	-10.3133	G221.054-10.313	IRAS06266-1148	SiO J=1-0 v=1;	16.9	0.23	0.55	NRO	0.020	NRO	+SiO	EVOLVED		MAT00
7	06 28 55.9	-11 50 59.1	221.0542	-10.3133	G221.054-10.313	IRAS06266-1148	SiO J=1-0 v=2;	18.6	0.09	0.19	NRO	0.020	NRO	+SiO	EVOLVED		MAT00
8	06 28 55.9	-11 50 59.1	221.0542	-10.3133	G221.054-10.313	IRAS06266-1148	SiO J=2-1 v=1;	17.7	0.65	1.16	NRO	0.050	NRO	+SiO	EVOLVED		MAT00
9	07 04 12.6	-16 35 34.4	229.1594	-4.7441	G229.159-4.744	IRAS07019-1631	SiO J=1-0 v=1;	53.7	1.1	3.24	NRO	0.040	NRO	-H₂O +SiO	EVOLVED		MAT00
10	07 04 12.6	-16 35 34.4	229.1594	-4.7441	G229.159-4.744	IRAS07019-1631	SiO J=1-0 v=2;	55.4	1.76	6.33	NRO	0.030	NRO	-H₂O +SiO	EVOLVED		MAT00
11	07 04 12.6	-16 35 34.4	229.1594	-4.7441	G229.159-4.744	IRAS07019-1631	SiO J=2-1 v=1;	54	0.25	0.41	NRO	0.060	NRO	-H₂O +SiO	EVOLVED		MAT00
12	07 25 40.4	-05 51 00	222.0691	4.8926	G222.070+4.893	IRAS07232-0544	SiO J=1-0 v=1;	43.5	3.59	6.29	NRO	0.040	NRO	+H₂O -OH +SiO	EVOLVED		MAT00
13	07 25 40.4	-05 51 00	222.0691	4.8926	G222.070+4.893	IRAS07232-0544	SiO J=1-0 v=2;	42.1	3.05	6.13	NRO	0.040	NRO	+H₂O -OH +SiO	EVOLVED		MAT00
14	07 25 40.4	-05 51 00	222.0691	4.8926	G222.070+4.893	IRAS07232-0544	SiO J=2-1 v=1;	41.7	0.79	1.58	NRO	0.070	NRO	+H₂O -OH +SiO	EVOLVED		MAT00
15	07 29 21.6	-04 16 43.9	221.1068	6.4398	G221.107+6.439	IRAS07268-0410	SiO J=1-0 v=1;	103.6	0.43	0.74	NRO	0.040	NRO	-OH +SiO	EVOLVED		MAT00
16	07 29 21.6	-04 16 43.9	221.1068	6.4398	G221.107+6.439	IRAS07268-0410	SiO J=1-0 v=2;	105.6	0.22	0.75	NRO	0.040	NRO	-OH +SiO	EVOLVED		MAT00
17	08 21 24.1	+14 00 14.2	209.9868	26.1470	G209.987+26.147	IRAS08186+1409	SiO J=1-0 v=1;	-36	0.31	0.1	NRO	0.030	NRO	+OH +SiO	EVOLVED		MAT00
18	08 21 24.1	+14 00 14.2	209.9868	26.1470	G209.987+26.147	IRAS08186+1409	SiO J=1-0 v=2;	-38.3	0.23	0.9	NRO	0.030	NRO	+OH +SiO	EVOLVED		MAT00
19	12 36 23.3	+59 29 10.9	126.4908	57.5378	G126.490+57.538	IRAS12341+5945	SiO J=1-0 v=1;	-83.3	0.1	0.38	NRO	0.020	NRO	+H₂O -OH +SiO	EVOLVED		MAT00
20	12 36 23.3	+59 29 10.9	126.4908	57.5378	G126.490+57.538	IRAS12341+5945	SiO J=1-0 v=2;	-89	0.17	0.33	NRO	0.020	NRO	+H₂O -OH +SiO	EVOLVED		MAT00
21	18 09 24.4	+34 46 17.3	61.4721	23.1645	G61.473+23.164	IRAS18076+3445	SiO J=1-0 v=1;	4.1	1.4	3.67	NRO	0.040	NRO	+H₂O +OH +SiO	EVOLVED		MAT00
22	18 09 24.4	+34 46 17.3	61.4721	23.1645	G61.473+23.164	IRAS18076+3445	SiO J=1-0 v=2;	2.7	1.03	4.41	NRO	0.040	NRO	+H₂O +OH +SiO	EVOLVED		MAT00
23	18 09 24.4	+34 46 17.3	61.4721	23.1645	G61.473+23.164	IRAS18076+3445	SiO J=2-1 v=1;	3.2	0.26	0.65	NRO	0.060	NRO	+H₂O +OH +SiO	EVOLVED		MAT00
24	18 18 6.5	+06 56 14.9	35.3748	10.5507	G35.375+10.551	IRAS18156+0655	SiO J=1-0 v=1;	37.4	0.97	1.85	NRO	0.160	NRO	-H₂O -OH +SiO	EVOLVED		MAT00
25	18 18 6.5	+06 56 14.9	35.3748	10.5507	G35.375+10.551	IRAS18156+0655	SiO J=1-0 v=2;	37.3	1.2	2	NRO	0.150	NRO	-H₂O -OH +SiO	EVOLVED		MAT00
26	18 20 30.2	+31 45 19.5	59.2208	19.9876	G59.221+19.988	IRAS18186+3143	SiO J=1-0 v=2;	5.6	0.14	0.61	NRO	0.030	NRO	+H₂O -OH +SiO	EVOLVED		MAT00
27	18 20 30.2	+31 45 19.5	59.2208	19.9876	G59.221+19.988	IRAS18186+3143	SiO J=2-1 v=1;	4.7	0.35	1.76	NRO	0.040	NRO	+H₂O -OH +SiO	EVOLVED		MAT00
28	18 23 56	+39 35 0.9	67.3889	21.8808	G67.389+21.881	IRAS18222+3933	SiO J=1-0 v=1;	18.9	7.95	20.04	NRO	0.040	NRO	-H₂O +SiO	EVOLVED		MAT00
29	18 23 56	+39 35 0.9	67.3889	21.8808	G67.389+21.881	IRAS18222+3933	SiO J=1-0 v=2;	20.6	6.07	31.42	NRO	0.040	NRO	-H₂O +SiO	EVOLVED		MAT00
30	18 23 56	+39 35 0.9	67.3889	21.8808	G67.389+21.881	IRAS18222+3933	SiO J=2-1 v=1;	17.9	4.04	14.15	NRO	0.060	NRO	-H₂O +SiO	EVOLVED		MAT00
31	18 36 47	+26 02 55.8	55.0639	14.5565	G55.064+14.557	IRAS18347+2600	SiO J=1-0 v=1;	55.7	0.24	0.85	NRO	0.030	NRO	-H₂O -OH +SiO	EVOLVED		MAT00
32	18 36 47	+26 02 55.8	55.0639	14.5565	G55.064+14.557	IRAS18347+2600	SiO J=1-0 v=2;	57.3	0.19	0.58	NRO	0.030	NRO	-H₂O -OH +SiO	EVOLVED		MAT00
33	18 41 26.7	+28 48 51.1	58.1118	14.7000	G58.112+14.700	IRAS18394+2845	SiO J=1-0 v=2;	-7.5	0.2	0.65	NRO	0.040	NRO	-OH +SiO	EVOLVED		MAT00
34	18 58 23.4	+16 46 50.9	48.6983	6.0735	G48.698+6.074	IRAS18561+1642	SiO J=1-0 v=1;	73.9	0.34	0.94	NRO	0.040	NRO	+H₂O -OH +SiO	EVOLVED		MAT00
35	18 58 23.4	+16 46 50.9	48.6983	6.0735	G48.698+6.074	IRAS18561+1642	SiO J=1-0 v=2;	76.4	0.27	1.22	NRO	0.040	NRO	+H₂O -OH +SiO	EVOLVED		MAT00
36	19 11 16.9	+17 51 50.1	51.0655	3.8201	G51.065+3.820	IRAS19090+1746	SiO J=1-0 v=1;	46	0.79	1.4	NRO	0.100	NRO	-OH +SiO	EVOLVED		MAT00
37	19 11 16.9	+17 51 50.1	51.0655	3.8201	G51.065+3.820	IRAS19090+1746	SiO J=1-0 v=2;	46.2	1.25	3.66	NRO	0.100	NRO	-OH +SiO	EVOLVED		MAT00
38	19 17 59.7	+20 01 24.1	53.7191	3.4082	G53.719+3.408	IRAS19158+1955	SiO J=1-0 v=1;	49	0.14	0.61	NRO	0.030	NRO	+SiO	EVOLVED		MAT00
39	19 17 59.7	+20 01 24.1	53.7191	3.4082	G53.719+3.408	IRAS19158+1955	SiO J=1-0 v=2;	49.4	0.27	0.75	NRO	0.030	NRO	+SiO	EVOLVED		MAT00
40	19 19 30.9	+17 12 13.2	51.3900	1.7751	G51.392+1.773	IRAS19172+1706	SiO J=1-0 v=1;	-54.7	0.32	0.91	NRO	0.040	NRO	-OH +SiO	EVOLVED		MAT00
41	19 19 30.9	+17 12 13.2	51.3900	1.7751	G51.392+1.773	IRAS19172+1706	SiO J=1-0 v=2;	-54.2	0.2	0.38	NRO	0.030	NRO	-OH +SiO	EVOLVED		MAT00
42	19 19 30.9	+17 12 13.2	51.3900	1.7751	G51.392+1.773	IRAS19172+1706	SiO J=2-1 v=1;	-54.5	0.39	1.4	NRO	0.060	NRO	-OH +SiO	EVOLVED		MAT00
43	19 29 56.7	+49 00 5.5	81.0656	14.2707	G81.066+14.271	IRAS19285+4853	SiO J=1-0 v=1;	12	0.34	0.88	NRO	0.050	NRO	+SiO	EVOLVED		MAT00
44	19 29 56.7	+49 00 5.5	81.0656	14.2707	G81.066+14.271	IRAS19285+4853	SiO J=1-0 v=2;	11.2	0.13	0.39	NRO	0.040	NRO	+SiO	EVOLVED		MAT00
45	19 33 20.5	+06 15 43.1	43.3370	-6.3798	G43.337-6.380	IRAS19308+0609	SiO J=1-0 v=1;	46.6	0.17	0.17	NRO	0.040	NRO	-OH +SiO	EVOLVED		MAT00
46	19 43 45.2	+03 44 28.5	42.3392	-9.8585	G42.340-9.859	IRAS19412+0337	SiO J=1-0 v=1;	-31.1	2.76	11.06	NRO	0.080	NRO	+H₂O +OH +SiO	EVOLVED		MAT00
47	19 43 45.2	+03 44 28.5	42.3392	-9.8585	G42.340-9.859	IRAS19412+0337	SiO J=1-0 v=2;	-31.5	2.01	8.01	NRO	0.070	NRO	+H₂O +OH +SiO	EVOLVED		MAT00
48	19 43 45.2	+03 44 28.5	42.3392	-9.8585	G42.340-9.859	IRAS19412+0337	SiO J=2-1 v=1;	-30.8	2.42	9.97	NRO	0.120	NRO	+H₂O +OH +SiO	EVOLVED		MAT00
49	19 57 35.9	-01 53 12.9	38.9163	-15.5597	G38.917-15.560	IRAS19550-0201	SiO J=1-0 v=1;	27.7	89.96	180.57	NRO	0.090	NRO	+H₂O +OH +SiO	EVOLVED		MAT00
50	19 57 35.9	-01 53 12.9	38.9163	-15.5597	G38.917-15.560	IRAS19550-0201	SiO J=1-0 v=2;	28.8	43.45	153.45	NRO	0.080	NRO	+H₂O +OH +SiO	EVOLVED		MAT00
51	19 57 35.9	-01 53 12.9	38.9163	-15.5597	G38.917-15.560	IRAS19550-0201	SiO J=2-1 v=1;	30.7	4.99	16.29	NRO	0.130	NRO	+H₂O +OH +SiO	EVOLVED		MAT00
52	20 10 27.5	-06 16 15.7	36.3566	-20.4153	G36.357-20.415	IRAS20077-0625	SiO J=1-0 v=1;	-18.2	0.42	0.93	NRO	0.050	NRO	-H₂O -CH₃OH II +OH +SiO	EVOLVED		MAT00
53	20 10 27.5	-06 16 15.7	36.3566	-20.4153	G36.357-20.415	IRAS20077-0625	SiO J=1-0 v=2;	-18.2	0.72	3.34	NRO	0.050	NRO	-H₂O -CH₃OH II +OH +SiO	EVOLVED		MAT00
54	20 22 20.2	+62 53 2.7	97.2039	14.4278	G97.204+14.428	IRAS20215+6243	SiO J=1-0 v=1;	17.2	0.88	0.81	NRO	0.180	NRO	-H₂O -OH +SiO	EVOLVED		MAT00
55	20 22 20.2	+62 53 2.7	97.2039	14.4278	G97.204+14.428	IRAS20215+6243	SiO J=1-0 v=2;	18.9	0.42	1.66	NRO	0.070	NRO	-H₂O -OH +SiO	EVOLVED		MAT00
56	20 26 13.1	-13 47 58.9	30.7211	-27.1358	G30.721-27.135	IRAS20234-1357	SiO J=1-0 v=1;	-33.3	1.9	6.78	NRO	0.050	NRO	-H₂O -CH₃OH II +OH +SiO	EVOLVED		MAT00
57	20 26 13.1	-13 47 58.9	30.7211	-27.1358	G30.721-27.135	IRAS20234-1357	SiO J=1-0 v=2;	-33.1	0.88	3.89	NRO	0.050	NRO	-H₂O -CH₃OH II +OH +SiO	EVOLVED		MAT00
58	20 26 13.1	-13 47 58.9	30.7211	-27.1358	G30.721-27.135	IRAS20234-1357	SiO J=2-1 v=1;	-32.1	0.98	1.9	NRO	0.100	NRO	-H₂O -CH₃OH II +OH +SiO	EVOLVED		MAT00
59	20 32 33.6	-21 41 26	22.9423	-31.4454	G22.942-31.445	IRAS20296-2151	SiO J=1-0 v=1;	6.4	0.66	0.73	NRO	0.040	NRO	+H₂O +OH +SiO	EVOLVED		MAT00
60	20 31 26.1	+62 56 41.5	97.8375	13.5922	G97.840+13.593	IRAS20305+6246	SiO J=1-0 v=1;	-14.9	0.85	1.66	NRO	0.040	NRO	-H₂O -OH +SiO	EVOLVED		MAT00
61	20 31 26.1	+62 56 41.5	97.8375	13.5922	G97.840+13.593	IRAS20305+6246	SiO J=1-0 v=2;	-14.5	1.19	3.55	NRO	0.030	NRO	-H₂O -OH +SiO	EVOLVED		MAT00
62	20 31 26.1	+62 56 41.5	97.8375	13.5922	G97.840+13.593	IRAS20305+6246	SiO J=2-1 v=1;	-15.1	0.22	0.37	NRO	0.070	NRO	-H₂O -OH +SiO	EVOLVED		MAT00

Non-detection table from Matsuura et al. (2000)

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ID	Obs. RA	Obs. Dec	l	b	Group id	Source name	Line	Date	Telescope	RMS	List	Detection	Class	Ref.
	(J2000)	(J2000)	(deg.)	(deg.)			SiO			(Jy)		Yes/No
1	01 04 44	+74 50 4.4	123.8203	11.9858	G123.820+11.986	IRAS01010+7434	SiO J=1-0 v=1;	1998-05-20	NRO	0.030	NRO	-H₂O -SiO	EVOLVED	MAT00
2	01 04 44	+74 50 4.4	123.8203	11.9858	G123.820+11.986	IRAS01010+7434	SiO J=1-0 v=2;	1998-05-20	NRO	0.030	NRO	-H₂O -SiO	EVOLVED	MAT00
3	01 04 44	+74 50 4.4	123.8203	11.9858	G123.820+11.986	IRAS01010+7434	SiO J=2-1 v=1;	1998-05-20	NRO	0.050	NRO	-H₂O -SiO	EVOLVED	MAT00
4	02 02 39	+71 17 50.5	128.6320	9.2180	G128.632+9.218	IRAS01584+7103	SiO J=1-0 v=1;	1998-06-11	NRO	0.030	NRO	-OH -SiO	EVOLVED	MAT00
5	02 02 39	+71 17 50.5	128.6320	9.2180	G128.632+9.218	IRAS01584+7103	SiO J=1-0 v=2;	1998-06-11	NRO	0.030	NRO	-OH -SiO	EVOLVED	MAT00
6	02 02 39	+71 17 50.5	128.6320	9.2180	G128.632+9.218	IRAS01584+7103	SiO J=2-1 v=1;	1998-06-11	NRO	0.070	NRO	-OH -SiO	EVOLVED	MAT00
7	03 52 22.1	+63 58 10.8	141.2585	7.7401	G141.258+7.740	IRAS03478+6349	SiO J=1-0 v=1;	1998-06-11	NRO	0.030	NRO	-SiO	EVOLVED	MAT00
8	03 52 22.1	+63 58 10.8	141.2585	7.7401	G141.258+7.740	IRAS03478+6349	SiO J=1-0 v=2;	1998-06-11	NRO	0.030	NRO	-SiO	EVOLVED	MAT00
9	03 52 22.1	+63 58 10.8	141.2585	7.7401	G141.258+7.740	IRAS03478+6349	SiO J=2-1 v=1;	1998-06-11	NRO	0.050	NRO	-SiO	EVOLVED	MAT00
10	04 12 17.7	+58 40 3.8	146.5940	5.3555	G146.594+5.355	IRAS04081+5832	SiO J=2-1 v=1;		NRO		NRO	+SiO	EVOLVED	MAT00
11	04 30 41.6	+57 24 42	149.2131	6.1987	G149.213+6.199	IRAS04265+5718	SiO J=1-0 v=1;	1998-05-20	NRO	0.030	NRO	-H₂O -SiO	EVOLVED	MAT00
12	04 30 41.6	+57 24 42	149.2131	6.1987	G149.213+6.199	IRAS04265+5718	SiO J=1-0 v=2;	1998-05-20	NRO	0.030	NRO	-H₂O -SiO	EVOLVED	MAT00
13	04 30 41.6	+57 24 42	149.2131	6.1987	G149.213+6.199	IRAS04265+5718	SiO J=2-1 v=1;	1998-05-20	NRO	0.040	NRO	-H₂O -SiO	EVOLVED	MAT00
14	04 59 7.1	+44 41 37.7	161.7879	1.3123	G161.788+1.312	IRAS04554+4437	SiO J=1-0 v=1;	1998-06-12	NRO	0.030	NRO	-SiO	UNK	MAT00
15	04 59 7.1	+44 41 37.7	161.7879	1.3123	G161.788+1.312	IRAS04554+4437	SiO J=1-0 v=2;	1998-06-12	NRO	0.030	NRO	-SiO	UNK	MAT00
16	04 59 7.1	+44 41 37.7	161.7879	1.3123	G161.788+1.312	IRAS04554+4437	SiO J=2-1 v=1;	1998-06-12	NRO	0.040	NRO	-SiO	UNK	MAT00
17	05 06 16.7	+44 51 40.4	162.4312	2.4209	G162.431+2.421	IRAS05026+4447	SiO J=1-0 v=1;	1998-05-20	NRO	0.030	NRO	-SiO	EVOLVED	MAT00
18	05 06 16.7	+44 51 40.4	162.4312	2.4209	G162.431+2.421	IRAS05026+4447	SiO J=1-0 v=2;	1998-05-20	NRO	0.030	NRO	-SiO	EVOLVED	MAT00
19	05 06 16.7	+44 51 40.4	162.4312	2.4209	G162.431+2.421	IRAS05026+4447	SiO J=2-1 v=1;	1998-05-20	NRO	0.050	NRO	-SiO	EVOLVED	MAT00
20	05 20 56.1	+35 05 22.1	171.9925	-1.0334	G171.993-1.033	IRAS05176+3502	SiO J=1-0 v=1;	1998-05-20	NRO	0.040	NRO	-OH -SiO	EVOLVED	MAT00
21	05 20 56.1	+35 05 22.1	171.9925	-1.0334	G171.993-1.033	IRAS05176+3502	SiO J=1-0 v=2;	1998-05-20	NRO	0.040	NRO	-OH -SiO	EVOLVED	MAT00
22	05 20 56.1	+35 05 22.1	171.9925	-1.0334	G171.993-1.033	IRAS05176+3502	SiO J=2-1 v=1;	1998-05-20	NRO	0.080	NRO	-OH -SiO	EVOLVED	MAT00
23	06 17 12.4	-31 01 47	238.2365	-20.3980	G238.237-20.398	IRAS06153-3100	SiO J=1-0 v=1;	1998-06-12	NRO	0.040	NRO	-SiO	EVOLVED	MAT00
24	06 17 12.4	-31 01 47	238.2365	-20.3980	G238.237-20.398	IRAS06153-3100	SiO J=1-0 v=2;	1998-06-12	NRO	0.040	NRO	-SiO	EVOLVED	MAT00
25	06 17 12.4	-31 01 47	238.2365	-20.3980	G238.237-20.398	IRAS06153-3100	SiO J=2-1 v=1;	1998-06-12	NRO	0.070	NRO	-SiO	EVOLVED	MAT00
26	07 20 58.5	-10 22 44.9	225.5286	1.7398	G225.529+1.740	IRAS07186-1017	SiO J=1-0 v=1;	1998-06-12	NRO	0.030	NRO	-OH -SiO	EVOLVED	MAT00
27	07 20 58.5	-10 22 44.9	225.5286	1.7398	G225.529+1.740	IRAS07186-1017	SiO J=1-0 v=2;	1998-06-12	NRO	0.030	NRO	-OH -SiO	EVOLVED	MAT00
28	07 20 58.5	-10 22 44.9	225.5286	1.7398	G225.529+1.740	IRAS07186-1017	SiO J=2-1 v=1;	1998-06-12	NRO	0.040	NRO	-OH -SiO	EVOLVED	MAT00
29	07 29 21.6	-04 16 43.9	221.1068	6.4398	G221.107+6.439	IRAS07268-0410	SiO J=2-1 v=1;		NRO		NRO	-OH +SiO	EVOLVED	MAT00
30	07 41 47.9	-04 10 35.7	222.4927	9.2225	G222.493+9.223	IRAS07393-0403	SiO J=1-0 v=1;	1998-05-20	NRO	0.030	NRO	-SiO	EVOLVED	MAT00
31	07 41 47.9	-04 10 35.7	222.4927	9.2225	G222.493+9.223	IRAS07393-0403	SiO J=1-0 v=2;	1998-05-20	NRO	0.030	NRO	-SiO	EVOLVED	MAT00
32	07 41 47.9	-04 10 35.7	222.4927	9.2225	G222.493+9.223	IRAS07393-0403	SiO J=2-1 v=1;	1998-05-20	NRO	0.060	NRO	-SiO	EVOLVED	MAT00
33	08 21 24.1	+14 00 14.2	209.9868	26.1470	G209.987+26.147	IRAS08186+1409	SiO J=2-1 v=1;	1998-06-11	NRO	0.040	NRO	+OH +SiO	EVOLVED	MAT00
34	08 22 25.5	+14 59 32.5	209.0837	26.7673	G209.084+26.767	IRAS08196+1509	SiO J=1-0 v=1;	1998-06-12	NRO	0.020	NRO	-OH -SiO	EVOLVED	MAT00
35	08 22 25.5	+14 59 32.5	209.0837	26.7673	G209.084+26.767	IRAS08196+1509	SiO J=1-0 v=2;	1998-06-12	NRO	0.020	NRO	-OH -SiO	EVOLVED	MAT00
36	08 22 25.5	+14 59 32.5	209.0837	26.7673	G209.084+26.767	IRAS08196+1509	SiO J=2-1 v=1;	1998-06-12	NRO	0.040	NRO	-OH -SiO	EVOLVED	MAT00
37	11 56 30	+57 52 17.3	136.6279	57.7721	G136.628+57.772	IRAS11538+5808	SiO J=1-0 v=1;	1998-05-21	NRO	0.030	NRO	-H₂O -OH -SiO	EVOLVED	MAT00
38	11 56 30	+57 52 17.3	136.6279	57.7721	G136.628+57.772	IRAS11538+5808	SiO J=1-0 v=2;	1998-05-21	NRO	0.030	NRO	-H₂O -OH -SiO	EVOLVED	MAT00
39	11 56 30	+57 52 17.3	136.6279	57.7721	G136.628+57.772	IRAS11538+5808	SiO J=2-1 v=1;	1998-05-21	NRO	0.050	NRO	-H₂O -OH -SiO	EVOLVED	MAT00
40	12 36 23.3	+59 29 10.9	126.4908	57.5378	G126.490+57.538	IRAS12341+5945	SiO J=2-1 v=1;		NRO		NRO	+H₂O -OH +SiO	EVOLVED	MAT00
41	16 42 55.7	+54 54 12.2	83.3403	40.1811	G83.340+40.181	IRAS16418+5459	SiO J=1-0 v=1;	1998-05-23	NRO	0.030	NRO	-H₂O -SiO	EVOLVED	MAT00
42	16 42 55.7	+54 54 12.2	83.3403	40.1811	G83.340+40.181	IRAS16418+5459	SiO J=1-0 v=2;	1998-05-23	NRO	0.030	NRO	-H₂O -SiO	EVOLVED	MAT00
43	16 42 55.7	+54 54 12.2	83.3403	40.1811	G83.340+40.181	IRAS16418+5459	SiO J=2-1 v=1;	1998-05-23	NRO	0.050	NRO	-H₂O -SiO	EVOLVED	MAT00
44	16 48 16.5	+57 48 47.8	86.8907	38.9462	G86.891+38.946	IRAS16473+5753	SiO J=1-0 v=1;	1998-05-23	NRO	0.030	NRO	-H₂O -OH -SiO	EVOLVED	MAT00
45	16 48 16.5	+57 48 47.8	86.8907	38.9462	G86.891+38.946	IRAS16473+5753	SiO J=1-0 v=2;	1998-05-23	NRO	0.030	NRO	-H₂O -OH -SiO	EVOLVED	MAT00
46	16 48 16.5	+57 48 47.8	86.8907	38.9462	G86.891+38.946	IRAS16473+5753	SiO J=2-1 v=1;	1998-05-23	NRO	0.050	NRO	-H₂O -OH -SiO	EVOLVED	MAT00
47	17 37 21.5	+45 54 16.1	72.1450	31.6139	G72.145+31.614	IRAS17359+4555	SiO J=1-0 v=1;	1998-05-24	NRO	0.050	NRO	-SiO	EVOLVED	MAT00
48	17 37 21.5	+45 54 16.1	72.1450	31.6139	G72.145+31.614	IRAS17359+4555	SiO J=1-0 v=2;	1998-05-24	NRO	0.050	NRO	-SiO	EVOLVED	MAT00
49	17 37 21.5	+45 54 16.1	72.1450	31.6139	G72.145+31.614	IRAS17359+4555	SiO J=2-1 v=1;		NRO		NRO	-SiO	EVOLVED	MAT00
50	17 48 47.8	+45 41 57	72.2599	29.6123	G72.260+29.612	IRAS17473+4542	SiO J=1-0 v=1;	1998-05-23	NRO	0.030	NRO	-OH -SiO	EVOLVED	MAT00
51	17 48 47.8	+45 41 57	72.2599	29.6123	G72.260+29.612	IRAS17473+4542	SiO J=1-0 v=2;	1998-05-23	NRO	0.030	NRO	-OH -SiO	EVOLVED	MAT00
52	17 48 47.8	+45 41 57	72.2599	29.6123	G72.260+29.612	IRAS17473+4542	SiO J=2-1 v=1;	1998-05-23	NRO	0.050	NRO	-OH -SiO	EVOLVED	MAT00
53	18 06 47.8	+43 27 5.5	70.5077	26.0179	G70.508+26.018	IRAS18052+4326	SiO J=1-0 v=1;	1998-05-22	NRO	0.030	NRO	-SiO	EVOLVED	MAT00
54	18 06 47.8	+43 27 5.5	70.5077	26.0179	G70.508+26.018	IRAS18052+4326	SiO J=1-0 v=2;	1998-05-22	NRO	0.030	NRO	-SiO	EVOLVED	MAT00
55	18 06 47.8	+43 27 5.5	70.5077	26.0179	G70.508+26.018	IRAS18052+4326	SiO J=2-1 v=1;	1998-05-22	NRO	0.050	NRO	-SiO	EVOLVED	MAT00
56	18 07 59.2	+42 13 23.6	69.2435	25.5080	G69.243+25.508	IRAS18064+4212	SiO J=1-0 v=1;	1998-05-23	NRO	0.040	NRO	-SiO	EVOLVED	MAT00
57	18 07 59.2	+42 13 23.6	69.2435	25.5080	G69.243+25.508	IRAS18064+4212	SiO J=1-0 v=2;	1998-05-23	NRO	0.040	NRO	-SiO	EVOLVED	MAT00
58	18 07 59.2	+42 13 23.6	69.2435	25.5080	G69.243+25.508	IRAS18064+4212	SiO J=2-1 v=1;	1998-05-23	NRO	0.070	NRO	-SiO	EVOLVED	MAT00
59	18 18 6.5	+06 56 14.9	35.3748	10.5507	G35.375+10.551	IRAS18156+0655	SiO J=2-1 v=1;		NRO		NRO	-H₂O -OH +SiO	EVOLVED	MAT00
60	18 20 30.2	+31 45 19.5	59.2208	19.9876	G59.221+19.988	IRAS18186+3143	SiO J=1-0 v=1;	1998-05-22	NRO	0.030	NRO	+H₂O -OH +SiO	EVOLVED	MAT00
61	18 30 51.8	+38 38 22	66.8844	20.3069	G66.884+20.307	IRAS18291+3836	SiO J=1-0 v=1;	1998-05-23	NRO	0.030	NRO	-SiO	EVOLVED	MAT00
62	18 30 51.8	+38 38 22	66.8844	20.3069	G66.884+20.307	IRAS18291+3836	SiO J=1-0 v=2;	1998-05-23	NRO	0.030	NRO	-SiO	EVOLVED	MAT00
63	18 30 51.8	+38 38 22	66.8844	20.3069	G66.884+20.307	IRAS18291+3836	SiO J=2-1 v=1;	1998-05-23	NRO	0.060	NRO	-SiO	EVOLVED	MAT00
64	18 36 47	+26 02 55.8	55.0639	14.5565	G55.064+14.557	IRAS18347+2600	SiO J=2-1 v=1;	1998-05-24	NRO	0.050	NRO	-H₂O -OH +SiO	EVOLVED	MAT00
65	18 41 26.7	+28 48 51.1	58.1118	14.7000	G58.112+14.700	IRAS18394+2845	SiO J=1-0 v=1;	1998-05-24	NRO	0.040	NRO	-OH +SiO	EVOLVED	MAT00
66	18 41 26.7	+28 48 51.1	58.1118	14.7000	G58.112+14.700	IRAS18394+2845	SiO J=2-1 v=1;		NRO		NRO	-OH +SiO	EVOLVED	MAT00
67	18 42 4.5	+28 57 27.8	58.3043	14.6298	G58.304+14.630	IRAS18401+2854	SiO J=1-0 v=1;	1998-06-11	NRO	0.040	NRO	-OH -SiO	EVOLVED	MAT00
68	18 42 4.5	+28 57 27.8	58.3043	14.6298	G58.304+14.630	IRAS18401+2854	SiO J=1-0 v=2;	1998-06-11	NRO	0.040	NRO	-OH -SiO	EVOLVED	MAT00
69	18 42 4.5	+28 57 27.8	58.3043	14.6298	G58.304+14.630	IRAS18401+2854	SiO J=2-1 v=1;	1998-06-11	NRO	0.080	NRO	-OH -SiO	EVOLVED	MAT00
70	18 52 21.3	+33 31 12.1	63.5297	14.4088	G63.530+14.409	IRAS18505+3327	SiO J=1-0 v=1;	1998-06-11	NRO	0.040	NRO	-OH -SiO	EVOLVED	MAT00
71	18 52 21.3	+33 31 12.1	63.5297	14.4088	G63.530+14.409	IRAS18505+3327	SiO J=1-0 v=2;	1998-06-11	NRO	0.040	NRO	-OH -SiO	EVOLVED	MAT00
72	18 52 21.3	+33 31 12.1	63.5297	14.4088	G63.530+14.409	IRAS18505+3327	SiO J=2-1 v=1;	1998-06-11	NRO	0.090	NRO	-OH -SiO	EVOLVED	MAT00
73	18 53 8.1	+30 37 54.2	60.8731	13.1006	G60.873+13.101	IRAS18512+3034	SiO J=1-0 v=1;	1998-05-25	NRO	0.070	NRO	-SiO	UNK	MAT00
74	18 53 8.1	+30 37 54.2	60.8731	13.1006	G60.873+13.101	IRAS18512+3034	SiO J=1-0 v=2;	1998-05-25	NRO	0.070	NRO	-SiO	UNK	MAT00
75	18 53 8.1	+30 37 54.2	60.8731	13.1006	G60.873+13.101	IRAS18512+3034	SiO J=2-1 v=1;		NRO		NRO	-SiO	UNK	MAT00
76	18 58 23.4	+16 46 50.9	48.6983	6.0735	G48.698+6.074	IRAS18561+1642	SiO J=2-1 v=1;		NRO		NRO	+H₂O -OH +SiO	EVOLVED	MAT00
77	19 06 8.1	+24 21 12.9	56.3425	7.8207	G56.343+7.821	IRAS19040+2416	SiO J=1-0 v=1;	1998-05-23	NRO	0.040	NRO	-OH -SiO	EVOLVED	MAT00
78	19 06 8.1	+24 21 12.9	56.3425	7.8207	G56.343+7.821	IRAS19040+2416	SiO J=1-0 v=2;	1998-05-23	NRO	0.030	NRO	-OH -SiO	EVOLVED	MAT00
79	19 06 8.1	+24 21 12.9	56.3425	7.8207	G56.343+7.821	IRAS19040+2416	SiO J=2-1 v=1;	1998-05-23	NRO	0.060	NRO	-OH -SiO	EVOLVED	MAT00
80	19 11 16.9	+17 51 50.1	51.0655	3.8201	G51.065+3.820	IRAS19090+1746	SiO J=2-1 v=1;		NRO		NRO	-OH +SiO	EVOLVED	MAT00
81	19 17 59.7	+20 01 24.1	53.7191	3.4082	G53.719+3.408	IRAS19158+1955	SiO J=2-1 v=1;	1998-06-11	NRO	0.060	NRO	+SiO	EVOLVED	MAT00
82	19 21 42.1	+17 39 59.2	52.0437	1.5315	G52.044+1.532	IRAS19194+1734	SiO J=1-0 v=1;	1998-06-10	NRO	0.050	NRO	-H₂O -OH -SiO	EVOLVED	MAT00
83	19 21 42.1	+17 39 59.2	52.0437	1.5315	G52.044+1.532	IRAS19194+1734	SiO J=1-0 v=2;	1998-06-10	NRO	0.050	NRO	-H₂O -OH -SiO	EVOLVED	MAT00
84	19 21 42.1	+17 39 59.2	52.0437	1.5315	G52.044+1.532	IRAS19194+1734	SiO J=2-1 v=1;		NRO		NRO	-H₂O -OH -SiO	EVOLVED	MAT00
85	19 29 12.4	+03 51 41.3	40.7176	-6.6015	G40.718-6.601	IRAS19267+0345	SiO J=1-0 v=1;	1998-05-24	NRO	0.030	NRO	-H₂O -OH -SiO	EVOLVED	MAT00
86	19 29 12.4	+03 51 41.3	40.7176	-6.6015	G40.718-6.601	IRAS19267+0345	SiO J=1-0 v=2;	1998-05-24	NRO	0.030	NRO	-H₂O -OH -SiO	EVOLVED	MAT00
87	19 29 12.4	+03 51 41.3	40.7176	-6.6015	G40.718-6.601	IRAS19267+0345	SiO J=2-1 v=1;	1998-05-24	NRO	0.060	NRO	-H₂O -OH -SiO	EVOLVED	MAT00
88	19 29 56.7	+49 00 5.5	81.0656	14.2707	G81.066+14.271	IRAS19285+4853	SiO J=2-1 v=1;	1998-05-24	NRO	0.170	NRO	+SiO	EVOLVED	MAT00
89	19 33 06	+05 01 41.1	42.2139	-6.9103	G42.214-6.910	IRAS19306+0455	SiO J=1-0 v=1;	1998-05-24	NRO	0.030	NRO	-OH -SiO	EVOLVED	MAT00
90	19 33 06	+05 01 41.1	42.2139	-6.9103	G42.214-6.910	IRAS19306+0455	SiO J=1-0 v=2;	1998-05-24	NRO	0.030	NRO	-OH -SiO	EVOLVED	MAT00
91	19 33 06	+05 01 41.1	42.2139	-6.9103	G42.214-6.910	IRAS19306+0455	SiO J=2-1 v=1;	1998-05-24	NRO	0.060	NRO	-OH -SiO	EVOLVED	MAT00
92	19 33 20.5	+06 15 43.1	43.3370	-6.3798	G43.337-6.380	IRAS19308+0609	SiO J=1-0 v=2;	1998-05-24	NRO	0.030	NRO	-OH +SiO	EVOLVED	MAT00
93	19 33 20.5	+06 15 43.1	43.3370	-6.3798	G43.337-6.380	IRAS19308+0609	SiO J=2-1 v=1;	1998-05-24	NRO	0.140	NRO	-OH +SiO	EVOLVED	MAT00
94	19 48 36.9	+03 41 46.6	42.8866	-10.9462	G42.887-10.946	IRAS19461+0334	SiO J=1-0 v=1;	1998-05-24	NRO	0.030	NRO	-OH -SiO	EVOLVED	MAT00
95	19 48 36.9	+03 41 46.6	42.8866	-10.9462	G42.887-10.946	IRAS19461+0334	SiO J=1-0 v=2;	1998-05-24	NRO	0.030	NRO	-OH -SiO	EVOLVED	MAT00
96	19 48 36.9	+03 41 46.6	42.8866	-10.9462	G42.887-10.946	IRAS19461+0334	SiO J=2-1 v=1;	1998-05-24	NRO	0.090	NRO	-OH -SiO	EVOLVED	MAT00
97	20 10 6.7	-10 32 14.1	32.1972	-22.2027	G32.197-22.203	IRAS20073-1041	SiO J=1-0 v=1;	1998-05-23	NRO	0.040	NRO	-SiO	EVOLVED	MAT00
98	20 10 6.7	-10 32 14.1	32.1972	-22.2027	G32.197-22.203	IRAS20073-1041	SiO J=1-0 v=2;	1998-05-23	NRO	0.030	NRO	-SiO	EVOLVED	MAT00
99	20 10 6.7	-10 32 14.1	32.1972	-22.2027	G32.197-22.203	IRAS20073-1041	SiO J=2-1 v=1;	1998-05-23	NRO	0.060	NRO	-SiO	EVOLVED	MAT00
100	20 10 27.5	-06 16 15.7	36.3566	-20.4153	G36.357-20.415	IRAS20077-0625	SiO J=2-1 v=1;	1998-05-23	NRO	0.070	NRO	-H₂O -CH₃OH II +OH +SiO	EVOLVED	MAT00
101	20 12 13.8	-11 12 22.3	31.7790	-22.9570	G31.780-22.958	IRAS20094-1121	SiO J=1-0 v=1;	1998-05-24	NRO	0.030	NRO	+H₂O -OH -SiO	EVOLVED	MAT00
102	20 12 13.8	-11 12 22.3	31.7790	-22.9570	G31.780-22.958	IRAS20094-1121	SiO J=1-0 v=2;	1998-05-24	NRO	0.030	NRO	+H₂O -OH -SiO	EVOLVED	MAT00
103	20 12 13.8	-11 12 22.3	31.7790	-22.9570	G31.780-22.958	IRAS20094-1121	SiO J=2-1 v=1;	1998-05-24	NRO	0.070	NRO	+H₂O -OH -SiO	EVOLVED	MAT00
104	20 18 58.2	-15 51 24.8	27.8302	-26.3389	G27.830-26.339	IRAS20161-1600	SiO J=1-0 v=1;	1998-05-24	NRO	0.030	NRO	-OH -SiO	EVOLVED	MAT00
105	20 18 58.2	-15 51 24.8	27.8302	-26.3389	G27.830-26.339	IRAS20161-1600	SiO J=1-0 v=2;	1998-05-24	NRO	0.030	NRO	-OH -SiO	EVOLVED	MAT00
106	20 18 58.2	-15 51 24.8	27.8302	-26.3389	G27.830-26.339	IRAS20161-1600	SiO J=2-1 v=1;	1998-05-24	NRO	0.060	NRO	-OH -SiO	EVOLVED	MAT00
107	20 22 20.2	+62 53 2.7	97.2039	14.4278	G97.204+14.428	IRAS20215+6243	SiO J=2-1 v=1;	1998-05-20	NRO	0.040	NRO	-H₂O -OH +SiO	EVOLVED	MAT00
108	20 32 33.6	-21 41 26	22.9423	-31.4454	G22.942-31.445	IRAS20296-2151	SiO J=1-0 v=2;	1998-06-10	NRO	0.030	NRO	+H₂O +OH +SiO	EVOLVED	MAT00
109	20 32 33.6	-21 41 26	22.9423	-31.4454	G22.942-31.445	IRAS20296-2151	SiO J=2-1 v=1;		NRO		NRO	+H₂O +OH +SiO	EVOLVED	MAT00
110	20 34 7.5	-23 14 58.6	21.3433	-32.2926	G21.343-32.293	IRAS20311-2325	SiO J=1-0 v=1;	1998-05-23	NRO	0.030	NRO	-SiO	EVOLVED	MAT00
111	20 34 7.5	-23 14 58.6	21.3433	-32.2926	G21.343-32.293	IRAS20311-2325	SiO J=1-0 v=2;	1998-05-23	NRO	0.020	NRO	-SiO	EVOLVED	MAT00
112	20 34 7.5	-23 14 58.6	21.3433	-32.2926	G21.343-32.293	IRAS20311-2325	SiO J=2-1 v=1;	1998-05-23	NRO	0.050	NRO	-SiO	EVOLVED	MAT00
113	22 08 16.7	+72 46 4.4	111.4445	13.6448	G111.444+13.645	IRAS22073+7231	SiO J=1-0 v=1;	1998-05-20	NRO	0.030	NRO	-SiO	EVOLVED	MAT00
114	22 08 16.7	+72 46 4.4	111.4445	13.6448	G111.444+13.645	IRAS22073+7231	SiO J=1-0 v=2;	1998-05-20	NRO	0.030	NRO	-SiO	EVOLVED	MAT00
115	22 08 16.7	+72 46 4.4	111.4445	13.6448	G111.444+13.645	IRAS22073+7231	SiO J=2-1 v=1;	1998-05-20	NRO	0.050	NRO	-SiO	EVOLVED	MAT00

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 MAT00

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