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MOS13 - A double-jet system in the G31.41 + 0.31 hot molecular core

Interferometry data

Short title: Moscadelli et al. (2013)
Authors: Moscadelli, L.Li, J. J.Cesaroni, R.Sanna, A.Xu, Y.Zhang, Q.
Journal: Astronomy & Astrophysics, Volume 549, id.A122, 22 pp.
Bibcode:

Target type: High_mass_SFR
Transitions: H2O_22

Abstract
Context. Many aspects of massive star (≳ 10 M⊙) formation are still unclear. In particular, the outflow properties at close distance (100-1000 AU) from a massive young stellar object (MYSO) are not yet well established. Aims: This work presents a detailed study of the gas kinematics toward the hot molecular core (HMC) G31.41 + 0.31. Methods: To study the HMC 3D kinematics at milli-arcsecond angular resolution, we performed multi-epoch VLBI observations of the H2O 22 GHz and CH3OH 6.7 GHz masers, and single-epoch VLBI of the OH 1.6 GHz masers. Results: Water masers present a symmetric spatial distribution with respect to the HMC center, where two nearby (0.2'' apart), compact, VLA sources (labeled ''A'' and ''B'') are previously detected. The spatial distribution of a first group of water masers, named ''J1'', is well fit with an elliptical profile, and the maser proper motions mainly diverge from the ellipse center, with average speed of 36 km s-1. These findings strongly suggest that the ''J1'' water maser group traces the heads of a young (dynamical time of 1.3 × 103 yr), powerful (momentum rate of ≃ 0.2 M⊙ yr-1 km s-1), collimated (semi-opening angle ≃ 10°) jet emerging from a MYSO located close (within ≈ 0.15'') to the VLA source ''B''. Most of the water features not belonging to ''J1'' present an elongated (≈ 2'' in size), NE-SW oriented (PA ≈ 70°), S-shape distribution, which we denote with the label ''J2''. The elongated distribution of the ''J2'' group and the direction of motion, approximately parallel to the direction of elongation, of most ''J2'' water masers suggests the presence of another collimated outflow, emitted from a MYSO placed near the VLA source ''A''. The proper motions of the CH3OH 6.7 GHz masers, mostly diverging from the HMC center, also witness the expansion of the HMC gas driven by the ''J1'' and ''J2'' jets. The orientation (PA ≈ 70°) of the ''J2'' jet agrees well with that (PA = 68°) of the well-defined VLSR gradient across the HMC revealed by previous interferometric, thermal line observations. Furthermore, the ''J2'' jet is powerful enough to sustain the large momentum rate, 0.3 M⊙ yr-1 km s-1, estimated from the interferometric, molecular line data in the assumption that the VLSR gradient represents a collimated outflow. These two facts lead us to favor the interpretation of the VLSR gradient across the G31.41 + 0.31 HMC in terms of a compact and collimated outflow. Tables 2-5 are available in electronic form at http://www.aanda.org

Abstract

Context. Many aspects of massive star (≳ 10 M⊙) formation are still unclear. In particular, the outflow properties at close distance (100-1000 AU) from a massive young stellar object (MYSO) are not yet well established. Aims: This work presents a detailed study of the gas kinematics toward the hot molecular core (HMC) G31.41 + 0.31. Methods: To study the HMC 3D kinematics at milli-arcsecond angular resolution, we performed multi-epoch VLBI observations of the H2O 22 GHz and CH3OH 6.7 GHz masers, and single-epoch VLBI of the OH 1.6 GHz masers. Results: Water masers present a symmetric spatial distribution with respect to the HMC center, where two nearby (0.2'' apart), compact, VLA sources (labeled ''A'' and ''B'') are previously detected. The spatial distribution of a first group of water masers, named ''J1'', is well fit with an elliptical profile, and the maser proper motions mainly diverge from the ellipse center, with average speed of 36 km s-1. These findings strongly suggest that the ''J1'' water maser group traces the heads of a young (dynamical time of 1.3 × 103 yr), powerful (momentum rate of ≃ 0.2 M⊙ yr-1 km s-1), collimated (semi-opening angle ≃ 10°) jet emerging from a MYSO located close (within ≈ 0.15'') to the VLA source ''B''. Most of the water features not belonging to ''J1'' present an elongated (≈ 2'' in size), NE-SW oriented (PA ≈ 70°), S-shape distribution, which we denote with the label ''J2''. The elongated distribution of the ''J2'' group and the direction of motion, approximately parallel to the direction of elongation, of most ''J2'' water masers suggests the presence of another collimated outflow, emitted from a MYSO placed near the VLA source ''A''. The proper motions of the CH3OH 6.7 GHz masers, mostly diverging from the HMC center, also witness the expansion of the HMC gas driven by the ''J1'' and ''J2'' jets. The orientation (PA ≈ 70°) of the ''J2'' jet agrees well with that (PA = 68°) of the well-defined VLSR gradient across the HMC revealed by previous interferometric, thermal line observations. Furthermore, the ''J2'' jet is powerful enough to sustain the large momentum rate, 0.3 M⊙ yr-1 km s-1, estimated from the interferometric, molecular line data in the assumption that the VLSR gradient represents a collimated outflow. These two facts lead us to favor the interpretation of the VLSR gradient across the G31.41 + 0.31 HMC in terms of a compact and collimated outflow. Tables 2-5 are available in electronic form at

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ID	Obs. RA	Obs. Dec	RA offset	Dec offset	l	b	Group id	#	Maser spot	Source name	Image	Descr.	Line	V_peak	V_X	V_Y	F_peak	Telescope	V_step	RMS	Beam	Detection	Class	Dist. (parallax)	Date
	(J2000)	(J2000)	(mas)	(mas)	(deg.)	(deg.)							H₂O	(km/s)	(km/s)	(km/s)	(Jy/beam)		(km/s)	(mJy/beam)	(arcsec)	Yes/No		(kpc)
1	+18 47 34.3126	-01 12 46.6384			31.411689	0.306905	G31.412+0.307			G31.41+0.31	Image	Descr	22 GHz;	86.4 .. 127.7				VLBA	0.21	10.000	0.0018 x 0.0011	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2008 Nov. 23 - 2009 May 18
	+18 47 34.3241	-01 12 45.8708	173.65 mas	767.21 mas	31.411901	0.306960		1	0	G31.41+0.31				98.4	0.0 (0.0)	0.0 (0.0)
	+18 47 34.3126	-01 12 46.638	0 mas	0 mas	31.411689	0.306906		2	1	G31.41+0.31				98	0.6 (5.7)	-30.7 (5.9)	108.04
	+18 47 34.3633	-01 12 46.4262	760.41 mas	211.81 mas	31.411838	0.306744		3	2	G31.41+0.31				97.5	-13.3 (5.7)	1.3 (5.8)	30.13
	+18 47 34.2709	-01 12 46.2477	-625.59 mas	390.26 mas	31.411706	0.307110		4	3	G31.41+0.31				97.2	-12.4 (5.4)	-6.4 (5.5)	21.02
	+18 47 34.3115	-01 12 46.6437	-16.62 mas	-5.71 mas	31.411685	0.306909		5	4	G31.41+0.31				100.9	6.4 (5.5)	-36.0 (5.7)	20.3
	+18 47 34.2783	-01 12 46.3574	-514.1 mas	280.57 mas	31.411693	0.307068		6	5	G31.41+0.31				95.2	-24.9 (5.6)	-29.1 (5.7)	12.75
	+18 47 34.3632	-01 12 46.4269	759.52 mas	211.05 mas	31.411837	0.306745		7	6	G31.41+0.31				97.8			11.49
	+18 47 34.3208	-01 12 46.1614	123.56 mas	476.6 mas	31.411822	0.306935		8	7	G31.41+0.31				94.8	36.5 (9.1)	1.9 (9.5)	8.99
	+18 47 34.3677	-01 12 45.2199	827.44 mas	1418.08 mas	31.412144	0.306881		9	8	G31.41+0.31				100.1	16.0 (5.5)	0.1 (5.6)	6.71
	+18 47 34.2782	-01 12 46.3902	-514.71 mas	247.81 mas	31.411685	0.307064		10	9	G31.41+0.31				93.6	-21.8 (5.6)	-7.2 (5.7)	6.45
	+18 47 34.3641	-01 12 46.3928	772.36 mas	245.23 mas	31.411847	0.306746		11	10	G31.41+0.31				97	-2.1 (5.5)	26.3 (5.7)	6.41
	+18 47 34.3136	-01 12 46.6237	15.45 mas	14.27 mas	31.411694	0.306904		12	11	G31.41+0.31				99.5	-3.1 (5.5)	-18.6 (5.6)	6.37
	+18 47 34.3699	-01 12 45.2662	860.39 mas	1371.82 mas	31.412137	0.306867		13	12	G31.41+0.31				102.1	3.7 (5.5)	19.4 (5.6)	5.83
	+18 47 34.3124	-01 12 46.6378	-2.99 mas	0.2 mas	31.411689	0.306906		14	13	G31.41+0.31				98.3	65.6 (5.5)	-21.4 (5.8)	5.51
	+18 47 34.2783	-01 12 46.3552	-513.87 mas	282.77 mas	31.411694	0.307068		15	14	G31.41+0.31				96	-20.5 (5.4)	-12.4 (5.5)	4.95
	+18 47 34.3117	-01 12 46.6419	-12.21 mas	-3.91 mas	31.411686	0.306908		16	15	G31.41+0.31				96			4.71
	+18 47 34.3633	-01 12 46.425	761.64 mas	213.02 mas	31.411838	0.306744		17	16	G31.41+0.31				97.5			4.67
	+18 47 34.3523	-01 12 45.1935	596.73 mas	1444.51 mas	31.412122	0.306941		18	17	G31.41+0.31				100.6	-4.1 (5.7)	15.0 (5.9)	4.66
	+18 47 34.3675	-01 12 45.2131	823.47 mas	1424.87 mas	31.412146	0.306883		19	18	G31.41+0.31				99.8	5.6 (5.5)	-0.7 (5.6)	4.28
	+18 47 34.3197	-01 12 46.1798	106.77 mas	458.18 mas	31.411816	0.306937		20	19	G31.41+0.31				87.4			4.27
	+18 47 34.3055	-01 12 46.2058	-106.13 mas	432.19 mas	31.411782	0.306987		21	20	G31.41+0.31				113.2	28.9 (5.8)	-60.0 (6.0)	4.2
	+18 47 34.3133	-01 12 46.6328	10.63 mas	5.19 mas	31.411692	0.306904		22	21	G31.41+0.31				98.5	40.5 (5.5)	-28.3 (5.7)	4.19
	+18 47 34.364	-01 12 46.3988	771.83 mas	239.24 mas	31.411846	0.306745		23	22	G31.41+0.31				97.2	1.3 (5.4)	26.6 (5.7)	3.89
	+18 47 34.3715	-01 12 45.2924	884.14 mas	1345.64 mas	31.412134	0.306858		24	23	G31.41+0.31				99.3	14.7 (5.5)	18.7 (5.6)	3.77
	+18 47 34.364	-01 12 46.4036	771.01 mas	234.36 mas	31.411845	0.306745		25	24	G31.41+0.31				97.6	-2.5 (5.5)	23.6 (5.7)	3.72
	+18 47 34.3153	-01 12 45.4503	41.31 mas	1187.73 mas	31.411988	0.307046		26	25	G31.41+0.31				118.4	-9.7 (9.0)	82.7 (9.2)	3.13
	+18 47 34.3713	-01 12 45.3114	881.46 mas	1326.57 mas	31.412129	0.306856		27	26	G31.41+0.31				99.3	10.0 (5.5)	11.5 (5.8)	3.12
	+18 47 34.3117	-01 12 46.6417	-12.38 mas	-3.67 mas	31.411686	0.306908		28	27	G31.41+0.31				93.1			2.43
	+18 47 34.3264	-01 12 45.4091	207.47 mas	1228.88 mas	31.412019	0.307010		29	28	G31.41+0.31				100.2	10.3 (5.5)	-4.4 (5.8)	2.3
	+18 47 34.3639	-01 12 46.4051	770.52 mas	232.86 mas	31.411844	0.306745		30	29	G31.41+0.31				97.2	15.8 (8.4)	66.7 (9.2)	2.28
	+18 47 34.32	-01 12 46.1761	111.09 mas	461.95 mas	31.411817	0.306937		31	30	G31.41+0.31				89.5	32.9 (5.6)	-50.2 (5.8)	2.28
	+18 47 34.3118	-01 12 46.6412	-11.96 mas	-3.17 mas	31.411687	0.306908		32	31	G31.41+0.31				99.5			1.89
	+18 47 34.2858	-01 12 46.5506	-401.49 mas	87.41 mas	31.411660	0.307016		33	32	G31.41+0.31				107.8	3.8 (6.5)	-79.9 (7.1)	1.81
	+18 47 34.3264	-01 12 45.4025	207.63 mas	1235.46 mas	31.412021	0.307011		34	33	G31.41+0.31				100.7	20.8 (5.6)	10.6 (5.9)	1.74
	+18 47 34.3089	-01 12 45.5859	-54.19 mas	1052.12 mas	31.411942	0.307052		35	34	G31.41+0.31				101.2	-17.0 (5.4)	26.9 (5.7)	1.67
	+18 47 34.3149	-01 12 45.4535	35.79 mas	1184.51 mas	31.411986	0.307047		36	35	G31.41+0.31				114.4	-46.6 (10.2)	80.2 (11.3)	1.62
	+18 47 34.3198	-01 12 46.1794	107.96 mas	458.62 mas	31.411816	0.306937		37	36	G31.41+0.31				87.3			1.55
	+18 47 34.304	-01 12 46.4343	-128.1 mas	203.66 mas	31.411723	0.306963		38	37	G31.41+0.31				95.8	-24.2 (5.6)	-4.2 (5.8)	1.53
	+18 47 34.3117	-01 12 46.6417	-12.34 mas	-3.66 mas	31.411686	0.306908		39	38	G31.41+0.31				95.9			1.46
	+18 47 34.3126	-01 12 46.6382	0.74 mas	-0.23 mas	31.411689	0.306905		40	39	G31.41+0.31				98.4			1.46
	+18 47 34.3118	-01 12 46.6412	-11.99 mas	-3.22 mas	31.411687	0.306908		41	40	G31.41+0.31				98.7			1.43
	+18 47 34.3142	-01 12 45.5892	24.08 mas	1048.78 mas	31.411951	0.307033		42	41	G31.41+0.31				118.5	-12.1 (8.7)	45.0 (8.9)	1.42
	+18 47 34.3117	-01 12 46.6418	-12.26 mas	-3.8 mas	31.411686	0.306908		43	42	G31.41+0.31				96.7			1.4
	+18 47 34.3225	-01 12 45.2255	148.53 mas	1412.51 mas	31.412057	0.307048		44	43	G31.41+0.31				96.9	8.8 (10.4)	1.1 (11.7)	1.36
	+18 47 34.309	-01 12 45.5809	-53.87 mas	1057.11 mas	31.411943	0.307053		45	44	G31.41+0.31				99.6	-16.3 (5.7)	16.6 (6.1)	1.31
	+18 47 34.3117	-01 12 46.642	-12.19 mas	-4.02 mas	31.411686	0.306908		46	45	G31.41+0.31				96.3			1.3
	+18 47 34.312	-01 12 45.4357	-8.91 mas	1202.27 mas	31.411985	0.307060		47	46	G31.41+0.31				94.1	-7.6 (5.6)	11.5 (5.8)	1.29
	+18 47 34.3772	-01 12 45.5695	970.34 mas	1068.5 mas	31.412076	0.306801		48	47	G31.41+0.31				99.3	8.4 (6.1)	29.7 (6.7)	1.21
	+18 47 34.2783	-01 12 46.3623	-514.6 mas	275.71 mas	31.411692	0.307068		49	48	G31.41+0.31				95.1	-33.8 (5.5)	-56.3 (5.8)	1.19
	+18 47 34.3136	-01 12 46.6295	15.87 mas	8.46 mas	31.411693	0.306903		50	49	G31.41+0.31				96.6			0.99
	+18 47 34.3216	-01 12 46.1217	135.06 mas	516.27 mas	31.411834	0.306938		51	50	G31.41+0.31				95.2	36.6 (5.7)	4.6 (6.2)	0.92
	+18 47 34.3773	-01 12 45.5689	970.81 mas	1069.1 mas	31.412076	0.306801		52	51	G31.41+0.31				94.9			0.77
	+18 47 34.2783	-01 12 46.3609	-514.38 mas	277.1 mas	31.411692	0.307068		53	52	G31.41+0.31				94.9			0.75
	+18 47 34.3132	-01 12 45.4315	10.05 mas	1206.54 mas	31.411988	0.307056		54	53	G31.41+0.31				101.8	-30.2 (5.9)	20.6 (6.4)	0.7
	+18 47 34.3195	-01 12 46.1658	103.78 mas	472.25 mas	31.411819	0.306940		55	54	G31.41+0.31				96.7	44.6 (5.9)	14.6 (6.1)	0.7
	+18 47 34.3536	-01 12 45.1872	615.77 mas	1450.81 mas	31.412126	0.306937		56	55	G31.41+0.31				101.4	-8.6 (5.7)	17.2 (6.0)	0.7
	+18 47 34.32	-01 12 46.1765	110.86 mas	461.48 mas	31.411817	0.306937		57	56	G31.41+0.31				87.3	43.9 (5.8)	-24.6 (6.5)	0.69
	+18 47 34.3114	-01 12 46.646	-17.09 mas	-7.96 mas	31.411685	0.306909		58	57	G31.41+0.31				99.7			0.65
	+18 47 34.3232	-01 12 45.2425	159.05 mas	1395.47 mas	31.412054	0.307043		59	58	G31.41+0.31				96.9	2.5 (6.1)	62.3 (6.7)	0.63
	+18 47 34.3117	-01 12 46.6418	-12.36 mas	-3.79 mas	31.411686	0.306908		60	59	G31.41+0.31				92.5			0.61
	+18 47 34.3181	-01 12 46.1745	82.75 mas	463.46 mas	31.411814	0.306944		61	60	G31.41+0.31				96.6	-3.7 (6.1)	-9.3 (6.7)	0.59
	+18 47 34.2855	-01 12 46.5481	-405.27 mas	89.91 mas	31.411660	0.307017		62	61	G31.41+0.31				101.1			0.56
	+18 47 34.2855	-01 12 46.5475	-406.59 mas	90.46 mas	31.411660	0.307018		63	62	G31.41+0.31				103.5	-90.0 (9.1)	-75.7 (9.7)	0.55
	+18 47 34.3711	-01 12 45.3212	878.77 mas	1316.82 mas	31.412126	0.306855		64	63	G31.41+0.31				99.6	2.9 (6.2)	5.7 (7.4)	0.54
	+18 47 34.326	-01 12 45.3285	200.87 mas	1309.5 mas	31.412038	0.307022		65	64	G31.41+0.31				98.8			0.54
	+18 47 34.3098	-01 12 45.5127	-41.44 mas	1125.3 mas	31.411962	0.307058		66	65	G31.41+0.31				103.6	-21.4 (5.8)	15.6 (6.2)	0.52
	+18 47 34.3259	-01 12 45.3287	200.78 mas	1309.34 mas	31.412038	0.307022		67	66	G31.41+0.31				98.8			0.51
	+18 47 34.2856	-01 12 46.5482	-404.5 mas	89.78 mas	31.411660	0.307017		68	67	G31.41+0.31				99.9			0.5
	+18 47 34.3136	-01 12 46.6295	15.55 mas	8.47 mas	31.411693	0.306903		69	68	G31.41+0.31				99.3			0.46
	+18 47 34.3261	-01 12 45.3379	202.48 mas	1300.13 mas	31.412036	0.307020		70	69	G31.41+0.31				98.5			0.43
	+18 47 34.3195	-01 12 45.2886	103.76 mas	1349.41 mas	31.412036	0.307051		71	70	G31.41+0.31				94.7	-19.2 (5.9)	19.6 (6.6)	0.42
	+18 47 34.3519	-01 12 45.1917	590.55 mas	1446.26 mas	31.412121	0.306943		72	71	G31.41+0.31				100.5			0.42
	+18 47 34.352	-01 12 45.1994	591.27 mas	1438.58 mas	31.412119	0.306942		73	72	G31.41+0.31				101.4	-19.0 (5.8)	20.6 (6.2)	0.41
	+18 47 34.3715	-01 12 45.3056	883.47 mas	1332.41 mas	31.412130	0.306856		74	73	G31.41+0.31				99.3			0.41
	+18 47 34.3209	-01 12 46.1606	124.38 mas	477.45 mas	31.411823	0.306935		75	74	G31.41+0.31				95			0.41
	+18 47 34.3053	-01 12 46.2075	-108.53 mas	430.49 mas	31.411782	0.306987		76	75	G31.41+0.31				127.7			0.41
	+18 47 34.3134	-01 12 46.6232	12.37 mas	14.79 mas	31.411694	0.306904		77	76	G31.41+0.31				100.3			0.41
	+18 47 34.3168	-01 12 45.3663	62.9 mas	1271.66 mas	31.412011	0.307051		78	77	G31.41+0.31				95.7			0.41
	+18 47 34.3287	-01 12 45.3976	242.22 mas	1240.44 mas	31.412026	0.307003		79	78	G31.41+0.31				101.8	12.8 (6.2)	18.9 (7.3)	0.4
	+18 47 34.3713	-01 12 45.2838	881.68 mas	1354.22 mas	31.412135	0.306859		80	79	G31.41+0.31				99.6	1.5 (11.6)	14.7 (15.5)	0.39
	+18 47 34.3541	-01 12 45.1909	623.19 mas	1447.14 mas	31.412126	0.306935		81	80	G31.41+0.31				102.3	-7.7 (6.1)	13.7 (6.5)	0.37
	+18 47 34.3707	-01 12 45.3306	871.98 mas	1307.43 mas	31.412123	0.306856		82	81	G31.41+0.31				99.9			0.37
	+18 47 34.3208	-01 12 46.1614	124 mas	476.56 mas	31.411822	0.306935		83	82	G31.41+0.31				93			0.36
	+18 47 34.3181	-01 12 46.3634	83.42 mas	274.56 mas	31.411767	0.306920		84	83	G31.41+0.31				100.7	15.4 (6.8)	-11.1 (8.1)	0.36
	+18 47 34.3674	-01 12 45.2118	822.73 mas	1426.15 mas	31.412146	0.306883		85	84	G31.41+0.31				100.5			0.35
	+18 47 34.271	-01 12 46.2612	-623.32 mas	376.77 mas	31.411703	0.307107		86	85	G31.41+0.31				96.7	-13.0 (6.6)	0.0 (7.5)	0.34
	+18 47 34.3262	-01 12 45.3692	204.01 mas	1268.8 mas	31.412028	0.307016		87	86	G31.41+0.31				99.5			0.34
	+18 47 34.3117	-01 12 46.6413	-12.45 mas	-3.26 mas	31.411687	0.306908		88	87	G31.41+0.31				101.4			0.34
	+18 47 34.3145	-01 12 46.6257	29.61 mas	12.33 mas	31.411696	0.306900		89	88	G31.41+0.31				100			0.33
	+18 47 34.3261	-01 12 45.3521	203.21 mas	1285.9 mas	31.412033	0.307018		90	89	G31.41+0.31				99.7			0.33
	+18 47 34.3132	-01 12 46.6332	8.88 mas	4.77 mas	31.411691	0.306904		91	90	G31.41+0.31				98.6			0.33
	+18 47 34.3254	-01 12 45.8556	193.07 mas	782.37 mas	31.411907	0.306957		92	91	G31.41+0.31				104.9	11.7 (6.0)	-4.4 (6.7)	0.32
	+18 47 34.2781	-01 12 46.3811	-516.6 mas	256.92 mas	31.411687	0.307066		93	92	G31.41+0.31				95	-12.9 (9.6)	-12.7 (10.4)	0.31
	+18 47 34.3773	-01 12 45.5693	970.64 mas	1068.73 mas	31.412076	0.306801		94	93	G31.41+0.31				94.6			0.31
	+18 47 34.3699	-01 12 45.2254	859.58 mas	1412.65 mas	31.412147	0.306872		95	94	G31.41+0.31				102.3	-28.7 (10.4)	51.8 (12.4)	0.31
	+18 47 34.3069	-01 12 46.5413	-85.1 mas	96.72 mas	31.411702	0.306939		96	95	G31.41+0.31				99.1			0.31
	+18 47 34.3065	-01 12 46.1892	-91.29 mas	448.82 mas	31.411788	0.306985		97	96	G31.41+0.31				123.6	-2.5 (10.2)	-39.5 (11.2)	0.3
	+18 47 34.2781	-01 12 46.3721	-516.55 mas	265.9 mas	31.411689	0.307067		98	97	G31.41+0.31				95.7	-23.0 (5.9)	3.6 (7.0)	0.3
	+18 47 34.3136	-01 12 46.6295	15.38 mas	8.48 mas	31.411693	0.306903		99	98	G31.41+0.31				99.3			0.3
	+18 47 34.2715	-01 12 46.2048	-616.35 mas	433.17 mas	31.411718	0.307113		100	99	G31.41+0.31				95.1	-12.4 (9.3)	-9.3 (10.3)	0.29
	+18 47 34.3158	-01 12 46.4435	47.97 mas	194.52 mas	31.411743	0.306918		101	100	G31.41+0.31				95.8	14.8 (10.1)	-21.2 (11.2)	0.28
	+18 47 34.3773	-01 12 45.5692	970.57 mas	1068.8 mas	31.412076	0.306801		102	101	G31.41+0.31				96.5			0.28
	+18 47 34.3209	-01 12 46.1608	124.52 mas	477.19 mas	31.411823	0.306935		103	102	G31.41+0.31				90.6			0.27
	+18 47 34.3197	-01 12 46.1798	106.46 mas	458.25 mas	31.411816	0.306937		104	103	G31.41+0.31				86.4			0.27
	+18 47 34.3066	-01 12 46.4952	-90.01 mas	142.78 mas	31.411713	0.306946		105	104	G31.41+0.31				99.3			0.27
	+18 47 34.3707	-01 12 45.3559	871.68 mas	1282.1 mas	31.412116	0.306853		106	105	G31.41+0.31				98.6			0.26
	+18 47 34.3133	-01 12 45.4295	10.67 mas	1208.55 mas	31.411989	0.307056		107	106	G31.41+0.31				101.5	-32.1 (6.3)	3.6 (7.4)	0.25
	+18 47 34.3262	-01 12 45.3695	203.91 mas	1268.48 mas	31.412028	0.307016		108	107	G31.41+0.31				99.5			0.24
	+18 47 34.3069	-01 12 46.5408	-84.72 mas	97.24 mas	31.411702	0.306939		109	108	G31.41+0.31				100.1			0.24
	+18 47 34.3161	-01 12 45.3462	53.11 mas	1291.76 mas	31.412015	0.307056		110	109	G31.41+0.31				95.7			0.24
	+18 47 34.3187	-01 12 46.1703	92.11 mas	467.69 mas	31.411816	0.306942		111	110	G31.41+0.31				96.4	8.3 (6.3)	-10.3 (7.2)	0.24
	+18 47 34.3063	-01 12 46.4737	-94.09 mas	164.25 mas	31.411718	0.306950		112	111	G31.41+0.31				102.4			0.23
	+18 47 34.3153	-01 12 46.1126	41.52 mas	525.37 mas	31.411824	0.306962		113	112	G31.41+0.31				87.4			0.22
	+18 47 34.3523	-01 12 45.1529	596.04 mas	1485.14 mas	31.412132	0.306946		114	113	G31.41+0.31				100.5			0.22
	+18 47 34.3157	-01 12 45.5724	47.16 mas	1065.65 mas	31.411958	0.307029		115	114	G31.41+0.31				115.7			0.21
	+18 47 34.3133	-01 12 46.5312	11.83 mas	106.83 mas	31.411717	0.306916		116	115	G31.41+0.31				99.3			0.21
	+18 47 34.319	-01 12 45.253	96.99 mas	1384.97 mas	31.412044	0.307057		117	116	G31.41+0.31				101.7			0.2
	+18 47 34.3216	-01 12 46.0798	135.26 mas	558.19 mas	31.411844	0.306943		118	117	G31.41+0.31				95.1			0.2
	+18 47 34.3208	-01 12 46.1626	123.38 mas	475.38 mas	31.411822	0.306935		119	118	G31.41+0.31				95.9			0.2
	+18 47 34.3206	-01 12 46.1627	121.26 mas	475.3 mas	31.411822	0.306936		120	119	G31.41+0.31				95.7			0.19
	+18 47 34.316	-01 12 45.3462	51.23 mas	1291.83 mas	31.412015	0.307057		121	120	G31.41+0.31				95.7	-23.9 (10.5)	52.2 (12.1)	0.19
	+18 47 34.3199	-01 12 46.1775	110.77 mas	460.47 mas	31.411817	0.306937		122	121	G31.41+0.31				91.7			0.18

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 'MOS13' 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 'MOS13' AND detected=true AND hide=false ORDER BY detected DESC,id

Display data from paper

MOS13 - A double-jet system in the G31.41 + 0.31 hot molecular core

Interferometry data

View as list of objects

Detection table from Moscadelli et al. (2013)