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IMA11 - Multiple Outflows Traced by H₂O Masers around the Ultra-Compact H II Region G 34.26+0.15

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Short title: Imai et al. (2011)
Authors: Imai, HiroshiOmi, RuiKurayama, TomoharuNagayama, TakumiHirota, TomoyaMiyaji, TakeshiOmodaka, Toshihiro
Journal: Publications of the Astronomical Society of Japan, Vol.63, No.6, pp.1293-1311
Bibcode:

Target type: High_mass_SFR
Transitions: H2O_22

Abstract
We present the results of VLBI observations of the H2O masers associated with the massive-star forming region G 34.26+0.15 with the Very Long Baseline Array (VLBA), the Japanese VLBI Network (JVN), and the VLBI Exploration of Radio Astrometry (VERA) to reveal the whole three-dimensional kinematical structure of the H2O maser region (2'' � 5''). From the result of one of the astrometric observations with VERA and the revealed maser distribution, we found that, in G 34.26+0.15, the H2O masers are likely to be associated with four young stellar objects (YSOs), each of which is traced by at least one of millimeter-continuum and molecular-line emission peaks, rather than by centimeter-continuum peaks that may trace H II regions, including the brightest millimeter- and centimeter-continuum emission peak. We also measured the relative proper motions of 33 H2O masers in the VLBA observations (1996 December-1997 May) and 104 ones in JVN/VERA (2006 March-2008 June). We found that these maser motions indicate large random motion (40-70 km s-1), but in at least one region they exhibit radial expansion motions. This suggests the existence of outflows originating from accompanying YSOs. We discuss not only the intrinsic physical properties of multiple YSOs that harbor H2O masers within 0.1 pc but also the implications of the existence of these YSOs. The formation history of the cometary H II region in G 34.26+0.15 is also discussed.

Abstract

We present the results of VLBI observations of the H2O masers associated with the massive-star forming region G 34.26+0.15 with the Very Long Baseline Array (VLBA), the Japanese VLBI Network (JVN), and the VLBI Exploration of Radio Astrometry (VERA) to reveal the whole three-dimensional kinematical structure of the H2O maser region (2'' � 5''). From the result of one of the astrometric observations with VERA and the revealed maser distribution, we found that, in G 34.26+0.15, the H2O masers are likely to be associated with four young stellar objects (YSOs), each of which is traced by at least one of millimeter-continuum and molecular-line emission peaks, rather than by centimeter-continuum peaks that may trace H II regions, including the brightest millimeter- and centimeter-continuum emission peak. We also measured the relative proper motions of 33 H2O masers in the VLBA observations (1996 December-1997 May) and 104 ones in JVN/VERA (2006 March-2008 June). We found that these maser motions indicate large random motion (40-70 km s-1), but in at least one region they exhibit radial expansion motions. This suggests the existence of outflows originating from accompanying YSOs. We discuss not only the intrinsic physical properties of multiple YSOs that harbor H2O masers within 0.1 pc but also the implications of the existence of these YSOs. The formation history of the cometary H II region in G 34.26+0.15 is also discussed.

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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	V_step	RMS	Beam	Detection	Class	Dist. (parallax)	Date
	(J2000)	(J2000)	(mas)	(mas)	(deg.)	(deg.)						H₂O	(km/s)	(Jy/beam)		(km/s)	(Jy/beam)	(arcsec)	Yes/No		(kpc)
1	+18 53 18.6625	+01 14 57.688			34.257341	0.152983	G34.257+0.153		G 34.26+0.15 (VLBA)	Image	Descr	22 GHz;	43.83 .. 81.52		VLBA	0.42	0.441	0.00165 x 0.00096	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		28.12.1996 - 05.05.1997
	+18 53 18.7066	+01 14 55.9013	663.4 mas	-1787.48 mas	34.256983	0.152593		1	G 34.26+0.15 (VLBA)				43.83	3.82
	+18 53 18.7064	+01 14 55.9023	659.61 mas	-1786.52 mas	34.256983	0.152594		2	G 34.26+0.15 (VLBA)				44.87	1.01
	+18 53 18.7062	+01 14 55.9032	657.6 mas	-1785.58 mas	34.256983	0.152594		3	G 34.26+0.15 (VLBA)				45.47	0.7
	+18 53 18.7063	+01 14 55.9028	658.41 mas	-1786.01 mas	34.256983	0.152594		4	G 34.26+0.15 (VLBA)				46.25	4.25
	+18 53 18.7088	+01 14 55.9251	696.39 mas	-1763.74 mas	34.256993	0.152587		5	G 34.26+0.15 (VLBA)				46.46	4.46
	+18 53 18.7088	+01 14 55.9263	696.52 mas	-1762.48 mas	34.256994	0.152588		6	G 34.26+0.15 (VLBA)				46.46	1.93
	+18 53 18.692	+01 14 58.2099	443.32 mas	521.11 mas	34.257526	0.152939		7	G 34.26+0.15 (VLBA)				48.7	14.56
	+18 53 18.7056	+01 14 55.9138	648.49 mas	-1774.96 mas	34.256985	0.152598		8	G 34.26+0.15 (VLBA)				50.46	1.64
	+18 53 18.7068	+01 14 55.9173	666.1 mas	-1771.47 mas	34.256988	0.152594		9	G 34.26+0.15 (VLBA)				51.51	20.64
	+18 53 18.7068	+01 14 55.9163	666.19 mas	-1772.49 mas	34.256987	0.152594		10	G 34.26+0.15 (VLBA)				51.51	1.03
	+18 53 18.7068	+01 14 55.9175	666.15 mas	-1771.26 mas	34.256988	0.152594		11	G 34.26+0.15 (VLBA)				51.96	11.62
	+18 53 18.7068	+01 14 55.9186	666.43 mas	-1770.16 mas	34.256988	0.152594		12	G 34.26+0.15 (VLBA)				52.14	2.74
	+18 53 18.7071	+01 14 55.9506	671.19 mas	-1738.17 mas	34.256996	0.152597		13	G 34.26+0.15 (VLBA)				52.99	5.58
	+18 53 18.6809	+01 14 58.1172	277.2 mas	428.4 mas	34.257482	0.152969		14	G 34.26+0.15 (VLBA)				53.62	4.34
	+18 53 18.7061	+01 14 55.9362	655.21 mas	-1752.56 mas	34.256991	0.152599		15	G 34.26+0.15 (VLBA)				53.83	45.19
	+18 53 18.6102	+01 14 59.0843	-783.7 mas	1395.54 mas	34.257587	0.153353		16	G 34.26+0.15 (VLBA)				54.88	9.59
	+18 53 18.7142	+01 14 54.6118	776.8 mas	-3076.98 mas	34.256679	0.152401		17	G 34.26+0.15 (VLBA)				54.89	54.6
	+18 53 18.6103	+01 14 59.093	-782.17 mas	1404.16 mas	34.257589	0.153354		18	G 34.26+0.15 (VLBA)				55	8.12
	+18 53 18.7141	+01 14 54.61	775.75 mas	-3078.83 mas	34.256678	0.152401		19	G 34.26+0.15 (VLBA)				55.94	5.23
	+18 53 18.6807	+01 14 58.1203	274.29 mas	431.55 mas	34.257483	0.152970		20	G 34.26+0.15 (VLBA)				56.28	5.13
	+18 53 18.611	+01 14 59.0777	-770.77 mas	1388.88 mas	34.257587	0.153349		21	G 34.26+0.15 (VLBA)				56.86	7.89
	+18 53 18.6111	+01 14 59.0754	-770.1 mas	1386.55 mas	34.257586	0.153349		22	G 34.26+0.15 (VLBA)				57.62	12
	+18 53 18.6111	+01 14 59.0755	-770.09 mas	1386.72 mas	34.257586	0.153349		23	G 34.26+0.15 (VLBA)				57.83	10.6
	+18 53 18.6111	+01 14 59.076	-769.4 mas	1387.22 mas	34.257587	0.153349		24	G 34.26+0.15 (VLBA)				58.04	4.02
	+18 53 18.6559	+01 14 57.6229	-98.08 mas	-65.89 mas	34.257312	0.152999		25	G 34.26+0.15 (VLBA)				58.94	22.97
	+18 53 18.6616	+01 14 57.6872	-12.22 mas	-1.63 mas	34.257339	0.152986		26	G 34.26+0.15 (VLBA)				60.52	37.62
	+18 53 18.6616	+01 14 57.6873	-12.41 mas	-1.53 mas	34.257339	0.152986		27	G 34.26+0.15 (VLBA)				60.57	50.8
	+18 53 18.6629	+01 14 57.69	7.8 mas	1.19 mas	34.257342	0.152981		28	G 34.26+0.15 (VLBA)				60.84	48.75
	+18 53 18.6624	+01 14 57.6888	0 mas	0 mas	34.257341	0.152983		29	G 34.26+0.15 (VLBA)				60.92	94.75
	+18 53 18.6623	+01 14 57.6888	-0.79 mas	0.01 mas	34.257341	0.152983		30	G 34.26+0.15 (VLBA)				60.99	25
	+18 53 18.6624	+01 14 57.6888	0.14 mas	-0.03 mas	34.257341	0.152983		31	G 34.26+0.15 (VLBA)				61.2	64.4
	+18 53 18.6625	+01 14 57.689	1.5 mas	0.2 mas	34.257341	0.152983		32	G 34.26+0.15 (VLBA)				61.2	23.56
	+18 53 18.6655	+01 14 55.1295	46.19 mas	-2559.26 mas	34.256714	0.152647		33	G 34.26+0.15 (VLBA)				81.52	2.69
2	+18 53 18.6625	+01 14 57.688			34.257341	0.152983	G34.257+0.153		G 34.26+0.15 (JVN; VERA)			22 GHz;	2.72 .. 119		JVN; VERA	0.42	0.156	0.0069 x 0.0051	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		07.03.2006 - 06.06.2008
	+18 53 18.7094	+01 14 55.9434	704.71 mas	-1745.35 mas	34.256999	0.152588		1	G 34.26+0.15 (JVN; VERA)				2.72
	+18 53 18.7094	+01 14 55.9508	705.16 mas	-1737.99 mas	34.257001	0.152589		2	G 34.26+0.15 (JVN; VERA)				2.91
	+18 53 18.7092	+01 14 55.9437	702.02 mas	-1745.09 mas	34.256999	0.152588		3	G 34.26+0.15 (JVN; VERA)				7.1
	+18 53 18.7079	+01 14 55.9388	682.91 mas	-1749.96 mas	34.256995	0.152593		4	G 34.26+0.15 (JVN; VERA)				7.11
	+18 53 18.7092	+01 14 55.9433	701.79 mas	-1745.51 mas	34.256999	0.152588		5	G 34.26+0.15 (JVN; VERA)				8.83
	+18 53 18.7073	+01 14 55.913	674.21 mas	-1775.82 mas	34.256988	0.152591		6	G 34.26+0.15 (JVN; VERA)				13.88
	+18 53 18.6633	+01 14 55.1242	14.17 mas	-2564.56 mas	34.256709	0.152655		7	G 34.26+0.15 (JVN; VERA)				18.49
	+18 53 18.708	+01 14 55.9458	684.11 mas	-1742.99 mas	34.256997	0.152593		8	G 34.26+0.15 (JVN; VERA)				19.73
	+18 53 18.708	+01 14 55.9465	684.05 mas	-1742.34 mas	34.256997	0.152593		9	G 34.26+0.15 (JVN; VERA)				21.08
	+18 53 18.708	+01 14 55.939	683.6 mas	-1749.8 mas	34.256995	0.152592		10	G 34.26+0.15 (JVN; VERA)				21.11
	+18 53 18.708	+01 14 55.9461	684.74 mas	-1742.68 mas	34.256997	0.152593		11	G 34.26+0.15 (JVN; VERA)				23.52
	+18 53 18.7081	+01 14 55.9411	685.32 mas	-1747.7 mas	34.256996	0.152592		12	G 34.26+0.15 (JVN; VERA)				23.52
	+18 53 18.708	+01 14 55.9391	683.84 mas	-1749.71 mas	34.256995	0.152592		13	G 34.26+0.15 (JVN; VERA)				23.75
	+18 53 18.708	+01 14 55.9465	684.34 mas	-1742.26 mas	34.256997	0.152593		14	G 34.26+0.15 (JVN; VERA)				23.75
	+18 53 18.7096	+01 14 55.9267	708.17 mas	-1762.07 mas	34.256995	0.152585		15	G 34.26+0.15 (JVN; VERA)				23.85
	+18 53 18.7081	+01 14 55.9484	685.42 mas	-1740.41 mas	34.256998	0.152593		16	G 34.26+0.15 (JVN; VERA)				25.76
	+18 53 18.6637	+01 14 55.1256	19.15 mas	-2563.18 mas	34.256710	0.152654		17	G 34.26+0.15 (JVN; VERA)				27.99
	+18 53 18.7098	+01 14 55.9248	710.72 mas	-1763.96 mas	34.256995	0.152584		18	G 34.26+0.15 (JVN; VERA)				29.55
	+18 53 18.7098	+01 14 55.9322	711.33 mas	-1756.59 mas	34.256997	0.152585		19	G 34.26+0.15 (JVN; VERA)				30
	+18 53 18.7098	+01 14 55.9246	711.06 mas	-1764.21 mas	34.256995	0.152584		20	G 34.26+0.15 (JVN; VERA)				31.83
	+18 53 18.7059	+01 14 55.9193	652.26 mas	-1769.5 mas	34.256986	0.152598		21	G 34.26+0.15 (JVN; VERA)				32.43
	+18 53 18.7098	+01 14 55.9252	711.48 mas	-1763.63 mas	34.256995	0.152584		22	G 34.26+0.15 (JVN; VERA)				36.05
	+18 53 18.6921	+01 14 57.5334	446.24 mas	-155.41 mas	34.257359	0.152853		23	G 34.26+0.15 (JVN; VERA)				37.5
	+18 53 18.6861	+01 14 58.1541	356.02 mas	465.31 mas	34.257501	0.152954		24	G 34.26+0.15 (JVN; VERA)				38.4
	+18 53 18.6861	+01 14 58.1471	355.35 mas	458.29 mas	34.257499	0.152953		25	G 34.26+0.15 (JVN; VERA)				38.4
	+18 53 18.7079	+01 14 55.902	682.6 mas	-1786.85 mas	34.256986	0.152588		26	G 34.26+0.15 (JVN; VERA)				38.73
	+18 53 18.7093	+01 14 55.9116	703.53 mas	-1777.21 mas	34.256991	0.152584		27	G 34.26+0.15 (JVN; VERA)				39.13
	+18 53 18.7095	+01 14 55.9021	707.2 mas	-1786.68 mas	34.256989	0.152582		28	G 34.26+0.15 (JVN; VERA)				39.3
	+18 53 18.708	+01 14 55.9016	683.85 mas	-1787.24 mas	34.256986	0.152588		29	G 34.26+0.15 (JVN; VERA)				40.43
	+18 53 18.6867	+01 14 58.141	363.94 mas	452.21 mas	34.257499	0.152950		30	G 34.26+0.15 (JVN; VERA)				40.87
	+18 53 18.6866	+01 14 58.0943	363.35 mas	405.49 mas	34.257487	0.152945		31	G 34.26+0.15 (JVN; VERA)				40.93
	+18 53 18.6866	+01 14 58.1411	363.48 mas	452.28 mas	34.257499	0.152950		32	G 34.26+0.15 (JVN; VERA)				41.21
	+18 53 18.6866	+01 14 58.1411	363.65 mas	452.31 mas	34.257499	0.152950		33	G 34.26+0.15 (JVN; VERA)				41.22
	+18 53 18.6852	+01 14 58.1389	342.61 mas	450.07 mas	34.257496	0.152955		34	G 34.26+0.15 (JVN; VERA)				41.23
	+18 53 18.6867	+01 14 58.1485	363.99 mas	459.67 mas	34.257501	0.152951		35	G 34.26+0.15 (JVN; VERA)				41.64
	+18 53 18.6867	+01 14 58.1484	364.02 mas	459.56 mas	34.257501	0.152951		36	G 34.26+0.15 (JVN; VERA)				42.44
	+18 53 18.71	+01 14 55.9266	714.47 mas	-1762.21 mas	34.256996	0.152583		37	G 34.26+0.15 (JVN; VERA)				43.13
	+18 53 18.7056	+01 14 55.8915	648.72 mas	-1797.27 mas	34.256979	0.152595		38	G 34.26+0.15 (JVN; VERA)				44.38
	+18 53 18.7092	+01 14 55.9447	702.57 mas	-1744.14 mas	34.256999	0.152588		39	G 34.26+0.15 (JVN; VERA)				44.48
	+18 53 18.7086	+01 14 55.9256	693 mas	-1763.19 mas	34.256993	0.152588		40	G 34.26+0.15 (JVN; VERA)				45.66
	+18 53 18.6851	+01 14 57.5755	340.97 mas	-113.34 mas	34.257356	0.152884		41	G 34.26+0.15 (JVN; VERA)				45.99
	+18 53 18.6233	+01 14 58.2326	-585.88 mas	543.78 mas	34.257401	0.153197		42	G 34.26+0.15 (JVN; VERA)				46.6
	+18 53 18.71	+01 14 55.9358	714.3 mas	-1752.99 mas	34.256998	0.152584		43	G 34.26+0.15 (JVN; VERA)				46.83
	+18 53 18.7083	+01 14 55.9552	688.45 mas	-1733.61 mas	34.257000	0.152593		44	G 34.26+0.15 (JVN; VERA)				47.54
	+18 53 18.6961	+01 14 58.2856	505.01 mas	596.83 mas	34.257553	0.152934		45	G 34.26+0.15 (JVN; VERA)				47.67
	+18 53 18.696	+01 14 58.2784	504.51 mas	589.63 mas	34.257551	0.152933		46	G 34.26+0.15 (JVN; VERA)				47.67
	+18 53 18.7084	+01 14 55.9614	689.71 mas	-1727.37 mas	34.257002	0.152594		47	G 34.26+0.15 (JVN; VERA)				47.96
	+18 53 18.6549	+01 14 57.5885	-112.67 mas	-100.28 mas	34.257302	0.152998		48	G 34.26+0.15 (JVN; VERA)				48.93
	+18 53 18.6701	+01 14 57.482	115.58 mas	-206.75 mas	34.257305	0.152928		49	G 34.26+0.15 (JVN; VERA)				49.01
	+18 53 18.6534	+01 14 57.5857	-134.52 mas	-103.13 mas	34.257299	0.153003		50	G 34.26+0.15 (JVN; VERA)				50.2
	+18 53 18.709	+01 14 55.9581	699.17 mas	-1730.74 mas	34.257002	0.152591		51	G 34.26+0.15 (JVN; VERA)				50.97
	+18 53 18.7062	+01 14 55.9116	656.6 mas	-1777.17 mas	34.256985	0.152596		52	G 34.26+0.15 (JVN; VERA)				51.26
	+18 53 18.6533	+01 14 57.5792	-136.75 mas	-109.63 mas	34.257297	0.153003		53	G 34.26+0.15 (JVN; VERA)				51.42
	+18 53 18.6377	+01 14 59.2951	-369.97 mas	1606.3 mas	34.257691	0.153278		54	G 34.26+0.15 (JVN; VERA)				51.75
	+18 53 18.6391	+01 14 59.3043	-349.39 mas	1615.49 mas	34.257696	0.153274		55	G 34.26+0.15 (JVN; VERA)				52.31
	+18 53 18.6391	+01 14 59.3043	-349.46 mas	1615.5 mas	34.257696	0.153274		56	G 34.26+0.15 (JVN; VERA)				52.31
	+18 53 18.6391	+01 14 59.2971	-349.91 mas	1608.26 mas	34.257694	0.153273		57	G 34.26+0.15 (JVN; VERA)				52.39
	+18 53 18.7088	+01 14 55.9635	695.97 mas	-1725.31 mas	34.257003	0.152592		58	G 34.26+0.15 (JVN; VERA)				52.6
	+18 53 18.7088	+01 14 55.9638	696 mas	-1725.04 mas	34.257003	0.152592		59	G 34.26+0.15 (JVN; VERA)				52.72
	+18 53 18.7088	+01 14 55.9569	695.38 mas	-1731.91 mas	34.257001	0.152592		60	G 34.26+0.15 (JVN; VERA)				52.74
	+18 53 18.7088	+01 14 55.9569	695.37 mas	-1731.87 mas	34.257001	0.152592		61	G 34.26+0.15 (JVN; VERA)				52.76
	+18 53 18.7074	+01 14 55.9534	674.88 mas	-1735.42 mas	34.256998	0.152596		62	G 34.26+0.15 (JVN; VERA)				53.02
	+18 53 18.6928	+01 14 58.1751	456.31 mas	486.31 mas	34.257519	0.152932		63	G 34.26+0.15 (JVN; VERA)				53.44
	+18 53 18.6386	+01 14 59.3087	-356.42 mas	1619.9 mas	34.257697	0.153276		64	G 34.26+0.15 (JVN; VERA)				53.86
	+18 53 18.6373	+01 14 59.3058	-377.12 mas	1617.05 mas	34.257693	0.153281		65	G 34.26+0.15 (JVN; VERA)				53.93
	+18 53 18.6928	+01 14 58.1676	455.76 mas	478.84 mas	34.257517	0.152931		66	G 34.26+0.15 (JVN; VERA)				53.99
	+18 53 18.6386	+01 14 59.316	-356.8 mas	1627.19 mas	34.257698	0.153277		67	G 34.26+0.15 (JVN; VERA)				54.83
	+18 53 18.7104	+01 14 55.8627	719.43 mas	-1826.05 mas	34.256981	0.152574		68	G 34.26+0.15 (JVN; VERA)				54.83
	+18 53 18.6403	+01 14 59.3214	-332.08 mas	1632.64 mas	34.257703	0.153272		69	G 34.26+0.15 (JVN; VERA)				54.94
	+18 53 18.6402	+01 14 59.3144	-332.59 mas	1625.58 mas	34.257701	0.153271		70	G 34.26+0.15 (JVN; VERA)				55.13
	+18 53 18.7285	+01 14 57.4735	991.99 mas	-215.26 mas	34.257414	0.152711		71	G 34.26+0.15 (JVN; VERA)				55.67
	+18 53 18.6971	+01 14 58.268	520.91 mas	579.22 mas	34.257550	0.152928		72	G 34.26+0.15 (JVN; VERA)				56.43
	+18 53 18.6096	+01 14 59.1035	-791.28 mas	1414.7 mas	34.257591	0.153358		73	G 34.26+0.15 (JVN; VERA)				56.6
	+18 53 18.6785	+01 14 58.2428	241.86 mas	554 mas	34.257509	0.152993		74	G 34.26+0.15 (JVN; VERA)				57.71
	+18 53 18.6571	+01 14 57.6445	-79.21 mas	-44.31 mas	34.257320	0.152997		75	G 34.26+0.15 (JVN; VERA)				59.05
	+18 53 18.6571	+01 14 57.6295	-80.24 mas	-59.34 mas	34.257316	0.152995		76	G 34.26+0.15 (JVN; VERA)				59.47
	+18 53 18.6578	+01 14 57.6559	-69.64 mas	-32.85 mas	34.257324	0.152996		77	G 34.26+0.15 (JVN; VERA)				59.47
	+18 53 18.6571	+01 14 57.6369	-79.68 mas	-51.93 mas	34.257318	0.152996		78	G 34.26+0.15 (JVN; VERA)				59.92
	+18 53 18.6557	+01 14 57.6265	-100.46 mas	-62.32 mas	34.257313	0.153000		79	G 34.26+0.15 (JVN; VERA)				59.97
	+18 53 18.6627	+01 14 57.6894	3.76 mas	0.57 mas	34.257342	0.152982		80	G 34.26+0.15 (JVN; VERA)				60.6
	+18 53 18.6612	+01 14 57.6868	-17.32 mas	-2.02 mas	34.257338	0.152987		81	G 34.26+0.15 (JVN; VERA)				60.6
	+18 53 18.6625	+01 14 57.6899	2.25 mas	1.09 mas	34.257342	0.152983		82	G 34.26+0.15 (JVN; VERA)				60.66
	+18 53 18.6626	+01 14 57.6893	2.37 mas	0.55 mas	34.257342	0.152982		83	G 34.26+0.15 (JVN; VERA)				61.08
	+18 53 18.6636	+01 14 57.692	18.18 mas	3.22 mas	34.257344	0.152979		84	G 34.26+0.15 (JVN; VERA)				61.32
	+18 53 18.6395	+01 14 59.3075	-343.06 mas	1618.74 mas	34.257698	0.153273		85	G 34.26+0.15 (JVN; VERA)				61.96
	+18 53 18.6395	+01 14 59.3003	-343.62 mas	1611.49 mas	34.257696	0.153272		86	G 34.26+0.15 (JVN; VERA)				62.03
	+18 53 18.6834	+01 14 59.5082	314.7 mas	1819.44 mas	34.257831	0.153136		87	G 34.26+0.15 (JVN; VERA)				63.1
	+18 53 18.6833	+01 14 59.5092	312.84 mas	1820.38 mas	34.257831	0.153136		88	G 34.26+0.15 (JVN; VERA)				63.8
	+18 53 18.6391	+01 14 59.3116	-349.91 mas	1622.8 mas	34.257698	0.153275		89	G 34.26+0.15 (JVN; VERA)				66.14
	+18 53 18.7215	+01 14 57.669	886.94 mas	-19.79 mas	34.257449	0.152761		90	G 34.26+0.15 (JVN; VERA)				66.5
	+18 53 18.7201	+01 14 57.6663	865.15 mas	-22.5 mas	34.257445	0.152766		91	G 34.26+0.15 (JVN; VERA)				66.69
	+18 53 18.7215	+01 14 57.6574	887.21 mas	-31.39 mas	34.257446	0.152760		92	G 34.26+0.15 (JVN; VERA)				66.72
	+18 53 18.7216	+01 14 57.6764	887.44 mas	-12.4 mas	34.257451	0.152762		93	G 34.26+0.15 (JVN; VERA)				66.92
	+18 53 18.6395	+01 14 59.3	-344.2 mas	1611.2 mas	34.257696	0.153272		94	G 34.26+0.15 (JVN; VERA)				66.92
	+18 53 18.6395	+01 14 59.3076	-343.8 mas	1618.79 mas	34.257698	0.153273		95	G 34.26+0.15 (JVN; VERA)				66.92
	+18 53 18.708	+01 14 57.4698	683.91 mas	-218.97 mas	34.257374	0.152786		96	G 34.26+0.15 (JVN; VERA)				67.6
	+18 53 18.6394	+01 14 59.3073	-345.27 mas	1618.54 mas	34.257698	0.153273		97	G 34.26+0.15 (JVN; VERA)				68.32
	+18 53 18.6394	+01 14 59.2998	-345.47 mas	1611.02 mas	34.257696	0.153272		98	G 34.26+0.15 (JVN; VERA)				68.84
	+18 53 18.6975	+01 14 57.542	526.16 mas	-146.8 mas	34.257372	0.152834		99	G 34.26+0.15 (JVN; VERA)				69.1
	+18 53 18.6991	+01 14 57.5457	550.33 mas	-143.08 mas	34.257376	0.152829		100	G 34.26+0.15 (JVN; VERA)				69.73
	+18 53 18.6991	+01 14 57.5527	550.79 mas	-136.15 mas	34.257377	0.152830		101	G 34.26+0.15 (JVN; VERA)				70
	+18 53 18.6395	+01 14 59.3001	-343.73 mas	1611.28 mas	34.257696	0.153272		102	G 34.26+0.15 (JVN; VERA)				70.42
	+18 53 18.755	+01 14 57.5923	1389.55 mas	-96.55 mas	34.257493	0.152627		103	G 34.26+0.15 (JVN; VERA)				80.61
	+18 53 18.6735	+01 14 55.0845	167.05 mas	-2604.34 mas	34.256719	0.152612		104	G 34.26+0.15 (JVN; VERA)				119

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 'IMA11' 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 'IMA11' AND detected=true AND hide=false ORDER BY detected DESC,id

Display data from paper

IMA11 - Multiple Outflows Traced by H2O Masers around the Ultra-Compact H II Region G 34.26+0.15

Interferometry data

View as list of objects

Detection table from Imai et al. (2011)

IMA11 - Multiple Outflows Traced by H₂O Masers around the Ultra-Compact H II Region G 34.26+0.15