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GAU98 - Water Masers in Orion

Interferometry data

Short title: Gaume et al. (1998)
Authors: Gaume, R. A.Wilson, T. L.Vrba, F. J.Johnston, K. J.Schmid-Burgk, J.
Journal: The Astrophysical Journal, Volume 493, Issue 2, pp. 940-949.
Bibcode:

Target type: High_mass_SFR
Transitions: H2O_22

Abstract
Measurements of the 616 --> 523 line of H2O at 1.3 cm in the Orion region of star formation are reported. With a spatial resolution of ~0.1'', H2O maser emission was detected in two regions: Orion BN/KL and Orion S. The well-known masers in the BN/KL region are distributed in a 30'' by 30'' area. The ''shell'' masers, within the BN/KL region, are distributed in a 2'' by 0.5'' strip centered on radio source I and are offset from IRc2. The average shell maser spectrum is doubly peaked, resembling the spectrum of the v = 1 SiO masers. The shell masers have deconvolved sizes of 24-38 AU, slightly smaller than the synthesized beam. Newly detected H2O masers in the Orion S region are distributed in a 15'' by 20'' area. One cluster of masers in the Orion S region is found in a thin 0.6'' strip. The velocity range of the masers in this cluster is nearly 65 km s-1. We suggest that this cluster of masers is associated with the energetic source of the Orion S molecular outflow. A search in the Orion S region for associated maser emission in the ground-state OH main lines and the 92 --> 101A+ and 62 --> 61E lines of CH3OH gave only upper limits, as did a search for centimeter-wavelength continuum. Near-infrared images of the Orion region are presented in the J, H, and K bands. Three objects with very red near-infrared colors were detected in the Orion S region, near the H2O masers and the previously detected millimeter-wavelength dust continuum peak. One of these objects exhibits near-infrared colors consistent with a B2 zero-age main-sequence star. Although this object may heat the northern part of the Orion S dust cloud, its luminosity and separation from the dust maximum make it unlikely that it alone heats the entire Orion S region. More likely, the primary heat source of the Orion S region is deeply embedded in dust and completely extincted in the near-infrared.

Abstract

Measurements of the 616 --> 523 line of H2O at 1.3 cm in the Orion region of star formation are reported. With a spatial resolution of ~0.1'', H2O maser emission was detected in two regions: Orion BN/KL and Orion S. The well-known masers in the BN/KL region are distributed in a 30'' by 30'' area. The ''shell'' masers, within the BN/KL region, are distributed in a 2'' by 0.5'' strip centered on radio source I and are offset from IRc2. The average shell maser spectrum is doubly peaked, resembling the spectrum of the v = 1 SiO masers. The shell masers have deconvolved sizes of 24-38 AU, slightly smaller than the synthesized beam. Newly detected H2O masers in the Orion S region are distributed in a 15'' by 20'' area. One cluster of masers in the Orion S region is found in a thin 0.6'' strip. The velocity range of the masers in this cluster is nearly 65 km s-1. We suggest that this cluster of masers is associated with the energetic source of the Orion S molecular outflow. A search in the Orion S region for associated maser emission in the ground-state OH main lines and the 92 --> 101A+ and 62 --> 61E lines of CH3OH gave only upper limits, as did a search for centimeter-wavelength continuum. Near-infrared images of the Orion region are presented in the J, H, and K bands. Three objects with very red near-infrared colors were detected in the Orion S region, near the H2O masers and the previously detected millimeter-wavelength dust continuum peak. One of these objects exhibits near-infrared colors consistent with a B2 zero-age main-sequence star. Although this object may heat the northern part of the Orion S dust cloud, its luminosity and separation from the dust maximum make it unlikely that it alone heats the entire Orion S region. More likely, the primary heat source of the Orion S region is deeply embedded in dust and completely extincted in the near-infrared.

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Detection table from Gaume et al. (1998)

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ID	Obs. RA	Obs. Dec	RA offset	Dec offset	l	b	Group id	#	Source name	Image	Descr.	Line	V_peak	F_peak	Telescope	Configuration	V_step	RMS	Beam	PA	Detection	Class	Dist. (parallax)	Date
	(J2000)	(J2000)	(mas)	(mas)	(deg.)	(deg.)						H₂O	(km/s)	(Jy)			(km/s)	(mJy/beam)	(arcsec)	(deg.)	Yes/No		(kpc)
1	+05 35 14.4699	-05 22 42.5569			208.996174	-19.386364	G208.993-19.385		Orion BN/KL		Descr	22 GHz;	-9.5 .. 39.2	0.9 .. 13920	NRAOVLA	A	0.33	18.000	0.1 x 0.09	-25	+H₂O +CH₃OH I +CH₃OH II +OH +SiO	SFR_MIXED		1991 Aug 5
	+05 35 15.2449	-05 22 42.493	11626.4 mas	63.7897 mas	208.997699	-19.383489		1	Orion BN/KL				39.2	1.5
	+05 35 14.121	-05 22 36.3815	-5233.14 mas	6175.26 mas	208.993858	-19.386879		2	Orion BN/KL				32.7	14.9
	+05 35 15.2883	-05 22 38.3861	12276.4 mas	4170.7 mas	208.996706	-19.382813		3	Orion BN/KL				31.3	1.5
	+05 35 14.12	-05 22 36.3815	-5248.14 mas	6175.33 mas	208.993856	-19.386883		4	Orion BN/KL				31.3	4.4
	+05 35 13.675	-05 22 39.3593	-11922.4 mas	3197.52 mas	208.993752	-19.388903		5	Orion BN/KL				31.3	0.9
	+05 35 14.118	-05 22 36.3113	-5277.79 mas	6245.48 mas	208.993833	-19.386881		6	Orion BN/KL				30	0.9
	+05 35 13.675	-05 22 39.3593	-11922.4 mas	3197.52 mas	208.993752	-19.388903		7	Orion BN/KL				30	2.3
	+05 35 13.676	-05 22 39.3694	-11907.4 mas	3187.45 mas	208.993757	-19.388901		8	Orion BN/KL				28.7	3.5
	+05 35 13.676	-05 22 39.3594	-11907.4 mas	3197.45 mas	208.993754	-19.388899		9	Orion BN/KL				27.4	3.4
	+05 35 14.3444	-05 22 38.1577	-1881.92 mas	4399.06 mas	208.994769	-19.386276		10	Orion BN/KL				27.4	9.1
	+05 35 13.8229	-05 22 39.71	-9704.17 mas	2846.81 mas	208.994139	-19.388400		11	Orion BN/KL				27.4	3.6
	+05 35 13.8298	-05 22 39.9005	-9600.1 mas	2656.3 mas	208.994203	-19.388398		12	Orion BN/KL				27.4	9.4
	+05 35 14.3454	-05 22 38.1678	-1866.97 mas	4388.99 mas	208.994773	-19.386273		13	Orion BN/KL				26.1	3
	+05 35 14.3533	-05 22 38.3184	-1747.71 mas	4238.41 mas	208.994829	-19.386263		14	Orion BN/KL				26.1	12.9
	+05 35 13.8229	-05 22 39.71	-9704.17 mas	2846.81 mas	208.994139	-19.388400		15	Orion BN/KL				26.1	35.2
	+05 35 13.8288	-05 22 39.9004	-9615.1 mas	2656.38 mas	208.994201	-19.388402		16	Orion BN/KL				26.1	5.6
	+05 35 14.3533	-05 22 38.3184	-1747.71 mas	4238.41 mas	208.994829	-19.386263		17	Orion BN/KL				24.8	92.6
	+05 35 14.3981	-05 22 38.9516	-1075.82 mas	3605.16 mas	208.995084	-19.386177		18	Orion BN/KL				24.8	25.1
	+05 35 13.8229	-05 22 39.71	-9704.17 mas	2846.81 mas	208.994139	-19.388400		19	Orion BN/KL				24.8	20.8
	+05 35 14.3981	-05 22 38.9516	-1075.82 mas	3605.16 mas	208.995084	-19.386177		20	Orion BN/KL				23.4	25.6
	+05 35 14.3533	-05 22 38.3184	-1747.71 mas	4238.41 mas	208.994829	-19.386263		21	Orion BN/KL				23.4	12.5
	+05 35 14.3334	-05 22 38.1369	-2046.82 mas	4419.86 mas	208.994741	-19.386314		22	Orion BN/KL				23.4	4.6
	+05 35 14.092	-05 22 39.4795	-5668.21 mas	3077.32 mas	208.994613	-19.387376		23	Orion BN/KL				23.4	1.9
	+05 35 14.0612	-05 22 38.5972	-6128.89 mas	3959.56 mas	208.994321	-19.387378		24	Orion BN/KL				23.4	4.4
	+05 35 13.8379	-05 22 39.8211	-9479.72 mas	2735.72 mas	208.994198	-19.388359		25	Orion BN/KL				23.4	2.6
	+05 35 14.3364	-05 22 38.1572	-2001.92 mas	4399.64 mas	208.994752	-19.386305		26	Orion BN/KL				22.1	1.5
	+05 35 14.0602	-05 22 38.5972	-6143.89 mas	3959.63 mas	208.994319	-19.387382		27	Orion BN/KL				22.1	29.5
	+05 35 14.092	-05 22 39.4695	-5668.16 mas	3087.32 mas	208.994611	-19.387374		28	Orion BN/KL				22.1	9.1
	+05 35 13.8379	-05 22 39.8111	-9479.67 mas	2745.72 mas	208.994195	-19.388357		29	Orion BN/KL				22.1	6.5
	+05 35 14.1041	-05 22 36.0003	-5486.27 mas	6556.49 mas	208.993724	-19.386894		30	Orion BN/KL				22.1	1.3
	+05 35 13.675	-05 22 39.3693	-11922.4 mas	3187.52 mas	208.993755	-19.388904		31	Orion BN/KL				22.1	1.1
	+05 35 14.3354	-05 22 38.1671	-2016.96 mas	4389.71 mas	208.994753	-19.386310		32	Orion BN/KL				20.8	3.6
	+05 35 14.1041	-05 22 36.0003	-5486.27 mas	6556.49 mas	208.993724	-19.386894		33	Orion BN/KL				20.8	7.8
	+05 35 14.092	-05 22 39.4695	-5668.16 mas	3087.32 mas	208.994611	-19.387374		34	Orion BN/KL				20.8	121.6
	+05 35 14.1041	-05 22 36.0203	-5486.37 mas	6536.49 mas	208.993729	-19.386896		35	Orion BN/KL				19.5	38.6
	+05 35 14.092	-05 22 39.4695	-5668.16 mas	3087.32 mas	208.994611	-19.387374		36	Orion BN/KL				19.5	163.3
	+05 35 13.7701	-05 22 39.1162	-10496.2 mas	3440.64 mas	208.993878	-19.388521		37	Orion BN/KL				19.5	10.7
	+05 35 13.7741	-05 22 39.0565	-10436 mas	3500.35 mas	208.993870	-19.388498		38	Orion BN/KL				18.2	96.7
	+05 35 14.089	-05 22 39.4893	-5713.26 mas	3067.54 mas	208.994610	-19.387388		39	Orion BN/KL				18.2	4.1
	+05 35 14.1421	-05 22 38.9431	-4915.63 mas	3613.7 mas	208.994572	-19.387123		40	Orion BN/KL				18.2	3.7
	+05 35 14.1031	-05 22 36.0202	-5501.37 mas	6536.56 mas	208.993727	-19.386900		41	Orion BN/KL				18.2	25.7
	+05 35 14.4577	-05 22 31.0559	-182.399 mas	11500.9 mas	208.993129	-19.384964		42	Orion BN/KL				18.2	21.6
	+05 35 15.4083	-05 22 38.1748	14077.3 mas	4382 mas	208.996890	-19.382342		43	Orion BN/KL				18.2	22.8
	+05 35 14.5309	-05 22 30.2512	916.476 mas	12305.6 mas	208.993063	-19.384592		44	Orion BN/KL				18.2	15.1
	+05 35 14.525	-05 22 30.1307	827.066 mas	12426.1 mas	208.993020	-19.384599		45	Orion BN/KL				18.2	26.8
	+05 35 15.4083	-05 22 38.1748	14077.3 mas	4382 mas	208.996890	-19.382342		46	Orion BN/KL				16.9	284.5
	+05 35 13.7741	-05 22 39.0665	-10436 mas	3490.35 mas	208.993873	-19.388500		47	Orion BN/KL				16.9	1441.4
	+05 35 13.7502	-05 22 38.8647	-10795 mas	3692.08 mas	208.993772	-19.388563		48	Orion BN/KL				15.5	556.9
	+05 35 13.7741	-05 22 39.0465	-10435.9 mas	3510.35 mas	208.993867	-19.388497		49	Orion BN/KL				15.5	366.3
	+05 35 14.1259	-05 22 39.6219	-5158.92 mas	2934.86 mas	208.994718	-19.387268		50	Orion BN/KL				15.5	43.6
	+05 35 14.526	-05 22 30.0008	842.698 mas	12556 mas	208.992988	-19.384579		51	Orion BN/KL				15.5	61.7
	+05 35 15.4083	-05 22 38.1748	14077.3 mas	4382 mas	208.996890	-19.382342		52	Orion BN/KL				15.5	693.4
	+05 35 15.4083	-05 22 38.1848	14077.3 mas	4372 mas	208.996892	-19.382343		53	Orion BN/KL				14.2	1660
	+05 35 13.7502	-05 22 38.8647	-10795 mas	3692.08 mas	208.993772	-19.388563		54	Orion BN/KL				14.2	212.3
	+05 35 13.7751	-05 22 38.9665	-10420.5 mas	3590.28 mas	208.993848	-19.388483		55	Orion BN/KL				14.2	44.3
	+05 35 14.1259	-05 22 39.6119	-5158.88 mas	2944.86 mas	208.994716	-19.387267		56	Orion BN/KL				14.2	49.6
	+05 35 14.4678	-05 22 30.5766	-30.0711 mas	11980.2 mas	208.993023	-19.384866		57	Orion BN/KL				14.2	70.9
	+05 35 14.4818	-05 22 30.6476	179.574 mas	11909.2 mas	208.993070	-19.384824		58	Orion BN/KL				14.2	255.6
	+05 35 14.525	-05 22 30.0107	827.65 mas	12546.1 mas	208.992988	-19.384584		59	Orion BN/KL				14.2	59.5
	+05 35 14.5089	-05 22 30.2796	586.351 mas	12277.2 mas	208.993027	-19.384677		60	Orion BN/KL				14.2	129.1
	+05 35 14.5169	-05 22 30.2801	706.343 mas	12276.7 mas	208.993043	-19.384647		61	Orion BN/KL				14.2	29
	+05 35 15.4093	-05 22 38.1849	14092.3 mas	4371.93 mas	208.996894	-19.382339		62	Orion BN/KL				12.9	1274.4
	+05 35 14.2462	-05 22 41.6507	-3353.88 mas	906.126 mas	208.995491	-19.387078		63	Orion BN/KL				12.9	28.4
	+05 35 14.4648	-05 22 30.5664	-75.0195 mas	11990.4 mas	208.993015	-19.384876		64	Orion BN/KL				12.9	96
	+05 35 14.4818	-05 22 30.6676	179.477 mas	11889.2 mas	208.993075	-19.384826		65	Orion BN/KL				12.9	165.4
	+05 35 15.1192	-05 22 16.9136	9741.09 mas	25643.2 mas	208.990731	-19.380739		66	Orion BN/KL				12.9	350.4
	+05 35 14.0132	-05 22 38.7438	-6849.58 mas	3813.04 mas	208.994264	-19.387575		67	Orion BN/KL				11.6	757.2
	+05 35 14.2452	-05 22 41.6606	-3368.93 mas	896.199 mas	208.995491	-19.387083		68	Orion BN/KL				11.6	184.7
	+05 35 15.1063	-05 22 16.8227	9546.54 mas	25734.1 mas	208.990682	-19.380776		69	Orion BN/KL				11.6	492.3
	+05 35 15.1192	-05 22 16.9236	9741.04 mas	25633.2 mas	208.990734	-19.380741		70	Orion BN/KL				11.6	161.7
	+05 35 14.0142	-05 22 38.7438	-6834.58 mas	3812.96 mas	208.994266	-19.387571		71	Orion BN/KL				10.3	1687.1
	+05 35 15.1073	-05 22 16.8328	9561.49 mas	25724 mas	208.990686	-19.380774		72	Orion BN/KL				10.3	583
	+05 35 14.4736	-05 22 34.3671	56.4615 mas	8189.74 mas	208.994030	-19.385321		73	Orion BN/KL				9	182.1
	+05 35 14.2819	-05 22 36.6132	-2819.36 mas	5943.6 mas	208.994239	-19.386313		74	Orion BN/KL				9	70.6
	+05 35 14.3244	-05 22 38.0263	-2181.27 mas	4530.51 mas	208.994694	-19.386333		75	Orion BN/KL				9	474.7
	+05 35 14.2823	-05 22 38.4932	-2813.52 mas	4063.55 mas	208.994733	-19.386548		76	Orion BN/KL				9	193.6
	+05 35 14.2442	-05 22 41.6605	-3383.93 mas	896.271 mas	208.995489	-19.387086		77	Orion BN/KL				9	115.5
	+05 35 14.118	-05 22 36.4013	-5278.23 mas	6155.48 mas	208.993857	-19.386893		78	Orion BN/KL				9	788
	+05 35 14.098	-05 22 36.2099	-5577.29 mas	6346.92 mas	208.993767	-19.386942		79	Orion BN/KL				9	97.1
	+05 35 14.0152	-05 22 38.7439	-6819.58 mas	3812.89 mas	208.994268	-19.387567		80	Orion BN/KL				9	2022.3
	+05 35 13.8248	-05 22 39.9301	-9675.24 mas	2626.67 mas	208.994200	-19.388421		81	Orion BN/KL				9	369.9
	+05 35 14.3244	-05 22 38.0163	-2181.22 mas	4540.51 mas	208.994692	-19.386332		82	Orion BN/KL				7.6	897.7
	+05 35 14.118	-05 22 36.4013	-5278.23 mas	6155.48 mas	208.993857	-19.386893		83	Orion BN/KL				7.6	13920
	+05 35 14.118	-05 22 36.4013	-5278.23 mas	6155.48 mas	208.993857	-19.386893		84	Orion BN/KL				6.3	385.2
	+05 35 14.0551	-05 22 38.9968	-6220.84 mas	3560 mas	208.994413	-19.387451		85	Orion BN/KL				6.3	64.8
	+05 35 14.05	-05 22 39.5064	-6298.31 mas	3050.37 mas	208.994537	-19.387535		86	Orion BN/KL				6.3	686.5
	+05 35 14.028	-05 22 39.5048	-6628.29 mas	3051.96 mas	208.994493	-19.387616		87	Orion BN/KL				6.3	415.2
	+05 35 14.2833	-05 22 38.4733	-2798.42 mas	4083.48 mas	208.994730	-19.386541		88	Orion BN/KL				6.3	34.9
	+05 35 14.3234	-05 22 38.0162	-2196.22 mas	4540.58 mas	208.994690	-19.386336		89	Orion BN/KL				6.3	21
	+05 35 14.6018	-05 22 21.5262	1978.93 mas	21030.6 mas	208.990913	-19.383233		90	Orion BN/KL				6.3	61.9
	+05 35 15.0818	-05 22 18.1909	9179.89 mas	24365.9 mas	208.990992	-19.381038		91	Orion BN/KL				6.3	58.9
	+05 35 14.6018	-05 22 21.5262	1978.93 mas	21030.6 mas	208.990913	-19.383233		92	Orion BN/KL				5	77.8
	+05 35 14.2833	-05 22 38.4533	-2798.33 mas	4103.48 mas	208.994725	-19.386539		93	Orion BN/KL				5	21.8
	+05 35 14.05	-05 22 39.5064	-6298.31 mas	3050.37 mas	208.994537	-19.387535		94	Orion BN/KL				5	83.9
	+05 35 14.028	-05 22 39.4948	-6628.24 mas	3061.96 mas	208.994490	-19.387614		95	Orion BN/KL				5	209.6
	+05 35 14.8187	-05 22 30.962	5232.84 mas	11594.8 mas	208.993823	-19.383617		96	Orion BN/KL				3.7	28.8
	+05 35 14.5113	-05 22 32.2598	621.703 mas	10297 mas	208.993552	-19.384917		97	Orion BN/KL				3.7	68.8
	+05 35 14.2751	-05 22 36.0627	-2921.68 mas	6494.1 mas	208.994080	-19.386269		98	Orion BN/KL				3.7	148.7
	+05 35 14.2591	-05 22 35.8415	-3160.59 mas	6715.26 mas	208.993991	-19.386300		99	Orion BN/KL				3.7	32.4
	+05 35 14.1	-05 22 36.35	-5547.97 mas	6206.78 mas	208.993808	-19.386953		100	Orion BN/KL				3.7	93.2
	+05 35 14.1855	-05 22 37.6862	-4264.53 mas	4870.57 mas	208.994329	-19.386804		101	Orion BN/KL				3.7	29
	+05 35 14.2751	-05 22 36.0727	-2921.73 mas	6484.1 mas	208.994083	-19.386270		102	Orion BN/KL				2.4	2333.4
	+05 35 14.097	-05 22 36.2898	-5592.67 mas	6267 mas	208.993786	-19.386956		103	Orion BN/KL				2.4	39.1
	+05 35 14.2741	-05 22 36.0726	-2936.72 mas	6484.18 mas	208.994081	-19.386274		104	Orion BN/KL				1	986.6
	+05 35 14.4606	-05 22 31.2761	-138.474 mas	11280.7 mas	208.993193	-19.384981		105	Orion BN/KL				1	55.3
	+05 35 14.301	-05 22 36.1646	-2532.19 mas	6392.22 mas	208.994159	-19.386186		106	Orion BN/KL				1	33
	+05 35 14.5539	-05 22 30.2128	1261.65 mas	12344 mas	208.993099	-19.384502		107	Orion BN/KL				-3	5.4
	+05 35 14.4458	-05 22 30.765	-360.975 mas	11791.8 mas	208.993029	-19.384972		108	Orion BN/KL				-3	23.5
	+05 35 14.301	-05 22 36.1646	-2532.19 mas	6392.22 mas	208.994159	-19.386186		109	Orion BN/KL				-0.3	7.3
	+05 35 14.098	-05 22 36.3299	-5577.87 mas	6226.92 mas	208.993798	-19.386958		110	Orion BN/KL				-0.3	3
	+05 35 14.0935	-05 22 34.7195	-5645.02 mas	7837.27 mas	208.993367	-19.386772		111	Orion BN/KL				-0.3	3.3
	+05 35 14.0736	-05 22 34.4481	-5943.69 mas	8108.71 mas	208.993256	-19.386811		112	Orion BN/KL				-0.3	11.4
	+05 35 14.0816	-05 22 34.4887	-5823.89 mas	8068.13 mas	208.993282	-19.386787		113	Orion BN/KL				-0.3	14.9
	+05 35 14.4477	-05 22 31.1151	-332.682 mas	11441.7 mas	208.993125	-19.385009		114	Orion BN/KL				-0.3	70.7
	+05 35 14.4576	-05 22 31.2559	-183.374 mas	11300.9 mas	208.993181	-19.384990		115	Orion BN/KL				-0.3	32.9
	+05 35 14.0945	-05 22 34.7196	-5630.02 mas	7837.19 mas	208.993369	-19.386768		116	Orion BN/KL				-1.6	61.2
	+05 35 14.3099	-05 22 36.6252	-2399.44 mas	5931.57 mas	208.994297	-19.386211		117	Orion BN/KL				-1.6	144.2
	+05 35 14.4468	-05 22 30.7551	-345.928 mas	11801.7 mas	208.993028	-19.384967		118	Orion BN/KL				-1.6	19.7
	+05 35 14.4957	-05 22 30.8686	388.489 mas	11688.2 mas	208.993155	-19.384800		119	Orion BN/KL				-1.6	14.6
	+05 35 14.5258	-05 22 30.5708	839.922 mas	11986 mas	208.993137	-19.384651		120	Orion BN/KL				-1.6	4.3
	+05 35 14.5198	-05 22 30.6504	749.538 mas	11906.4 mas	208.993146	-19.384683		121	Orion BN/KL				-1.6	13.1
	+05 35 15.1463	-05 22 13.5155	10147.6 mas	29041.3 mas	208.989893	-19.380212		122	Orion BN/KL				-1.6	8.7
	+05 35 14.7094	-05 22 22.584	3593.71 mas	19972.8 mas	208.991405	-19.382968		123	Orion BN/KL				-2.9	49.8
	+05 35 14.0955	-05 22 34.7397	-5615.12 mas	7817.12 mas	208.993376	-19.386767		124	Orion BN/KL				-2.9	5.2
	+05 35 14.3099	-05 22 36.6352	-2399.49 mas	5921.58 mas	208.994300	-19.386212		125	Orion BN/KL				-2.9	32.4
	+05 35 14.5079	-05 22 30.3195	571.157 mas	12237.3 mas	208.993035	-19.384686		126	Orion BN/KL				-2.9	12.8
	+05 35 14.4957	-05 22 30.8386	388.636 mas	11718.2 mas	208.993148	-19.384796		127	Orion BN/KL				-2.9	20.1
	+05 35 14.5208	-05 22 30.6304	764.634 mas	11926.4 mas	208.993143	-19.384677		128	Orion BN/KL				-2.9	131
	+05 35 14.5258	-05 22 30.5508	840.019 mas	12006 mas	208.993132	-19.384649		129	Orion BN/KL				-2.9	82.6
	+05 35 14.7094	-05 22 22.594	3593.67 mas	19962.8 mas	208.991408	-19.382969		130	Orion BN/KL				-4.2	170
	+05 35 14.5119	-05 22 30.3398	631.056 mas	12217 mas	208.993049	-19.384674		131	Orion BN/KL				-4.2	60.3
	+05 35 14.5218	-05 22 30.6105	779.731 mas	11946.3 mas	208.993140	-19.384671		132	Orion BN/KL				-4.2	1013.1
	+05 35 14.6001	-05 22 32.8262	1953.89 mas	9730.6 mas	208.993877	-19.384660		133	Orion BN/KL				-5.5	7.7
	+05 35 14.5109	-05 22 30.2497	616.495 mas	12307.1 mas	208.993023	-19.384666		134	Orion BN/KL				-5.5	21.2
	+05 35 14.7094	-05 22 22.604	3593.62 mas	19952.8 mas	208.991410	-19.382971		135	Orion BN/KL				-5.5	54.9
	+05 35 14.7244	-05 22 22.6851	3818.21 mas	19871.7 mas	208.991461	-19.382925		136	Orion BN/KL				-5.5	142
	+05 35 14.5208	-05 22 30.5804	764.878 mas	11976.4 mas	208.993130	-19.384671		137	Orion BN/KL				-5.5	161.3
	+05 35 14.5189	-05 22 30.4703	735.416 mas	12086.5 mas	208.993097	-19.384664		138	Orion BN/KL				-5.5	134.2
	+05 35 14.5219	-05 22 30.3005	781.241 mas	12256.3 mas	208.993058	-19.384632		139	Orion BN/KL				-6.9	9.4
	+05 35 14.5379	-05 22 30.4317	1020.59 mas	12125.1 mas	208.993125	-19.384589		140	Orion BN/KL				-6.9	34.4
	+05 35 14.5189	-05 22 30.4903	735.318 mas	12066.5 mas	208.993102	-19.384667		141	Orion BN/KL				-6.9	32.9
	+05 35 13.79	-05 22 36.3776	-10197.9 mas	6179.23 mas	208.993198	-19.388103		142	Orion BN/KL				-6.9	30.4
	+05 35 14.5379	-05 22 30.4217	1020.64 mas	12135.1 mas	208.993122	-19.384588		143	Orion BN/KL				-8.2	60.4
	+05 35 13.784	-05 22 36.3071	-10287.6 mas	6249.66 mas	208.993168	-19.388116		144	Orion BN/KL				-8.2	27.2
	+05 35 13.789	-05 22 36.3575	-10212.8 mas	6199.3 mas	208.993191	-19.388104		145	Orion BN/KL				-8.2	16.7
	+05 35 13.784	-05 22 36.2971	-10287.5 mas	6259.66 mas	208.993165	-19.388115		146	Orion BN/KL				-9.5	28.5
2	+05 35 13.4395	-05 24 16.4833			209.018792	-19.401978	G209.015-19.405		Orion S	Image	Descr	22 GHz;	-20 .. 44.5	0.1 .. 187.9	NRAOVLA	A	0.33	18.000	0.1 x 0.09	-25	+H₂O +CH₃OH I +CH₃OH II	SFR_MIXED		1991 Aug 5
	+05 35 13.3793	-05 24 10.9989	-903.797 mas	5485.51 mas	209.017232	-19.401512		1	Orion S				44.5	0.2
	+05 35 13.3882	-05 24 11.2995	-770.267 mas	5184.86 mas	209.017329	-19.401517		2	Orion S				39.2	0.2
	+05 35 13.3922	-05 24 11.3498	-710.515 mas	5134.57 mas	209.017350	-19.401508		3	Orion S				30	4
	+05 35 13.3922	-05 24 11.3498	-710.515 mas	5134.57 mas	209.017350	-19.401508		4	Orion S				28.7	2.7
	+05 35 13.3901	-05 24 11.3697	-740.61 mas	5114.72 mas	209.017351	-19.401518		5	Orion S				23.4	4.6
	+05 35 13.3901	-05 24 11.3597	-740.562 mas	5124.72 mas	209.017349	-19.401517		6	Orion S				22.1	1.3
	+05 35 13.3962	-05 24 11.2401	-649.983 mas	5244.28 mas	209.017329	-19.401480		7	Orion S				20.8	11
	+05 35 13.3962	-05 24 11.2401	-649.983 mas	5244.28 mas	209.017329	-19.401480		8	Orion S				19.5	6.6
	+05 35 13.9036	-05 24 9.80685	6961.69 mas	6677.55 mas	209.017962	-19.399422		9	Orion S				11.6	17.2
	+05 35 13.9138	-05 24 9.30758	7114.11 mas	7176.82 mas	209.017851	-19.399322		10	Orion S				9	23.3
	+05 35 14.1435	-05 23 11.7836	10559.2 mas	64700.8 mas	209.003200	-19.391245		11	Orion S				9	40.4
	+05 35 13.9287	-05 24 9.70867	7337.15 mas	6775.73 mas	209.017986	-19.399317		12	Orion S				6.3	11.8
	+05 35 13.4011	-05 24 11.3605	-575.572 mas	5123.92 mas	209.017371	-19.401476		13	Orion S				6.3	3.9
	+05 35 13.2792	-05 24 14.3117	-2404.87 mas	2172.72 mas	209.017903	-19.402298		14	Orion S				6.3	22.4
	+05 35 13.5984	-05 24 13.6748	2383.03 mas	2809.61 mas	209.018371	-19.401037		15	Orion S				5	25.1
	+05 35 13.4021	-05 24 11.3606	-560.573 mas	5123.85 mas	209.017373	-19.401473		16	Orion S				5	187.9
	+05 35 13.4021	-05 24 11.3606	-560.573 mas	5123.85 mas	209.017373	-19.401473		17	Orion S				3.7	149.3
	+05 35 13.5984	-05 24 13.6748	2383.03 mas	2809.61 mas	209.018371	-19.401037		18	Orion S				3.7	39.7
	+05 35 13.5924	-05 24 13.7244	2292.79 mas	2760.04 mas	209.018372	-19.401066		19	Orion S				3.7	20.6
	+05 35 13.5914	-05 24 13.7343	2277.75 mas	2750.12 mas	209.018373	-19.401071		20	Orion S				2.4	29.6
	+05 35 13.4021	-05 24 11.3606	-560.573 mas	5123.85 mas	209.017373	-19.401473		21	Orion S				2.4	41.5
	+05 35 13.4021	-05 24 11.3606	-560.573 mas	5123.85 mas	209.017373	-19.401473		22	Orion S				1	27.1
	+05 35 13.5914	-05 24 13.7243	2277.8 mas	2760.12 mas	209.018370	-19.401070		23	Orion S				1	4.9
	+05 35 13.4021	-05 24 11.3606	-560.573 mas	5123.85 mas	209.017373	-19.401473		24	Orion S				-0.3	0.5
	+05 35 13.8697	-05 23 57.2743	6452.76 mas	19210.1 mas	209.014603	-19.397973		25	Orion S				-0.3	0.3
	+05 35 14.1299	-05 23 56.7431	10355.2 mas	19741.3 mas	209.014981	-19.396944		26	Orion S				-2.9	0.7
	+05 35 13.5491	-05 23 59.1111	1644.01 mas	17373.3 mas	209.014448	-19.399390		27	Orion S				-6.9	1
	+05 35 13.5491	-05 23 59.1111	1644.01 mas	17373.3 mas	209.014448	-19.399390		28	Orion S				-8.2	0.7
	+05 35 13.5501	-05 23 59.1011	1659.06 mas	17383.3 mas	209.014447	-19.399385		29	Orion S				-9.5	1.1
	+05 35 13.4061	-05 24 11.3808	-500.674 mas	5103.56 mas	209.017386	-19.401460		30	Orion S				-9.5	0.1
	+05 35 13.5501	-05 23 59.0911	1659.11 mas	17393.3 mas	209.014444	-19.399384		31	Orion S				-10.8	15.4
	+05 35 13.5501	-05 23 59.0911	1659.11 mas	17393.3 mas	209.014444	-19.399384		32	Orion S				-12.1	17.2
	+05 35 13.5501	-05 23 59.1011	1659.06 mas	17383.3 mas	209.014447	-19.399385		33	Orion S				-13.4	0.5
	+05 35 13.4011	-05 24 11.5105	-576.303 mas	4973.92 mas	209.017410	-19.401495		34	Orion S				-13.4	0.4
	+05 35 13.4011	-05 24 11.5105	-576.303 mas	4973.92 mas	209.017410	-19.401495		35	Orion S				-14.8	0.8
	+05 35 13.4011	-05 24 11.5105	-576.303 mas	4973.92 mas	209.017410	-19.401495		36	Orion S				-20	0.2

DSS colored	2MASS colored	WISE colored
SDSS color	IRAC color I1,I2,I4	GLIMPSE 360
PACS color (70-160 um)	SPIRE color (250-500 um)	NVSS (1.4GHz)
ATLASGAL 870 um	ATLASGAL 870 um + Planck	Bolocam 1.1 mm
UKIDSS K Download UKIDSS K FITS	2MASS K Download 2MASS K FITS

select MAX(h2o_data_all.ra_hms) as ra_hms,MAX(h2o_data_all.dec_dms) as dec_dms,MAX(h2o_data_all.source_name) as source_name,MAX(h2o_data_all.ra) as ra,MAX(h2o_data_all.dec) as dec,MAX(h2o_data_all.l) as l,MAX(h2o_data_all.b) as b,MAX(h2o_data_all.grp) as grp,MAX(h2o_data_all.other_name) as other_name,MAX(h2o_data_all.other_desc) as other_desc,BOOL_OR(thermal) as thermal,MAX(h2o_data_all.line) as line,MAX(h2o_data_all.vrange) as vrange,MAX(h2o_data_all.vpeak) as vpeak,MAX(h2o_data_all.peak) as peak,MAX(h2o_data_all.fwhm) as fwhm,MAX(h2o_data_all.int) as int,MAX(h2o_data_all.rms) as rms,MAX(h2o_data_all.units) as units,MAX(h2o_data_all.units_rms) as units_rms,MAX(h2o_data_all.date_txt) as date_txt,MAX(h2o_data_all.telescope_ref) as telescope_ref,MAX(h2o_data_all.telescope_conf) as telescope_conf,MAX(h2o_data_all.v_step) as v_step,MAX(h2o_data_all.beam) as beam,MAX(h2o_data_all.beam_maj) as beam_maj,MAX(h2o_data_all.beam_min) as beam_min,MAX(h2o_data_all.beam_pa) as beam_pa,MAX(h2o_data_all.ref) as ref,MAX(h2o_data_all.list_ref) as list_ref,MAX(h2o_data_all.ascii) as ascii,MAX(h2o_data_all.url) as url,MAX(h2o_data_all.image) as image,MAX(h2o_data_all.image2) as image2,MAX(h2o_data_all.image3) as image3,MAX(h2o_data_all.descr) as descr,MAX(h2o_data_all.id) as id,BOOL_OR(mjy_flag) as mjy_flag,BOOL_OR(rms_mjy_flag) as rms_mjy_flag,MAX(h2o_data_all.dist) as dist,1 as dist_parallax,MAX(h2o_data_all.date_txt) as date_txt,MAX(line_det) as line_det,MAX(type) as type,MAX(simbad_types_cat) as simbad_types_cat FROM h2o_data_all  LEFT JOIN all_objects_withmet ON h2o_data_all.grp=all_objects_withmet.group_name LEFT JOIN object_categories ON all_objects_withmet.group_name = object_categories.group_name_cat AND object_categories.tbl_cat = 'all_objects_withmet' LEFT JOIN transitions ON h2o_data_all.line=transitions."Line"  WHERE ref ilike 'GAU98' AND detected=true AND hide=false GROUP BY ref

select h2o_data_all.ra_hms,h2o_data_all.dec_dms,h2o_data_all.source_name,h2o_data_all.ra,h2o_data_all.dec,h2o_data_all.l,h2o_data_all.b,h2o_data_all.grp,h2o_data_all.other_name,h2o_data_all.other_desc,h2o_data_all.thermal,h2o_data_all.line,h2o_data_all.vrange,h2o_data_all.vpeak,h2o_data_all.peak,h2o_data_all.fwhm,h2o_data_all.int,h2o_data_all.rms,h2o_data_all.units,h2o_data_all.units_rms,h2o_data_all.date_txt,h2o_data_all.telescope_ref,h2o_data_all.telescope_conf,h2o_data_all.v_step,h2o_data_all.beam,h2o_data_all.beam_maj,h2o_data_all.beam_min,h2o_data_all.beam_pa,h2o_data_all.ref,h2o_data_all.list_ref,h2o_data_all.ascii,h2o_data_all.url,h2o_data_all.image,h2o_data_all.image2,h2o_data_all.image3,h2o_data_all.descr,h2o_data_all.id,h2o_data_all.mjy_flag,h2o_data_all.rms_mjy_flag,h2o_data_all.dist,h2o_data_all.dist_parallax,h2o_data_all.date_txt,line_det,type,simbad_types_cat FROM h2o_data_all   LEFT JOIN all_objects_withmet ON h2o_data_all.grp=all_objects_withmet.group_name LEFT JOIN object_categories ON all_objects_withmet.group_name = object_categories.group_name_cat AND object_categories.tbl_cat = 'all_objects_withmet' LEFT JOIN transitions ON h2o_data_all.line=transitions."Line"  WHERE ref ilike 'GAU98' AND detected=true AND hide=false ORDER BY detected DESC,id

Display data from paper

GAU98 - Water Masers in Orion

Interferometry data

View as list of objects

Detection table from Gaume et al. (1998)