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RUI16 - VLBA Surveys of OH Masers in Star-forming Regions. I. Satellite Lines

Short title: Ruiz-Velasco et al. (2016)
Authors: Ruiz-Velasco, A. E.Felli, D.Migenes, V.Wiggins, B. K.
Journal: The Astrophysical Journal, Volume 822, Issue 2, article id. 101, 8 pp. (2016).
Bibcode:
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Target type: High_mass_SFR
Observations category: SF.general
Transitions: OH_1612,OH_1665,OH_1667,OH_1720

Abstract
Using the Very Long Baseline Array we performed a high-resolution OH maser survey in Galactic star-forming regions (SFRs). We observed all the ground state spectral lines: the main lines at 1665 and 1667 MHz and the satellite lines at 1612 and 1720 MHz. Due to the exceptionality of finding satellite lines in SFRs, we will focus our discussion on those lines. In our sample of 41 OH maser sources, five (12%) showed the 1612 MHz line and ten (24%) showed the 1720 MHz line, with only one source showing both lines. We find that 1720 MHz emission is correlated with the presence of H II regions, suggesting that this emission could be used to diagnose or trace high-mass star formation. We include an analysis of the possible mechanisms that could be causing this correlation as well as assessing the possible relationships between lines in our sample. In particular, the presence of magnetic fields seems to play an important role as we found Zeeman splitting in four of our sources (W75 N, W3(OH), W51 and NGC 7538). Our results have implications for current understanding of the formation of high-mass stars as well as on the masing processes present in SFRs.

Abstract

Using the Very Long Baseline Array we performed a high-resolution OH maser survey in Galactic star-forming regions (SFRs). We observed all the ground state spectral lines: the main lines at 1665 and 1667 MHz and the satellite lines at 1612 and 1720 MHz. Due to the exceptionality of finding satellite lines in SFRs, we will focus our discussion on those lines. In our sample of 41 OH maser sources, five (12%) showed the 1612 MHz line and ten (24%) showed the 1720 MHz line, with only one source showing both lines. We find that 1720 MHz emission is correlated with the presence of H II regions, suggesting that this emission could be used to diagnose or trace high-mass star formation. We include an analysis of the possible mechanisms that could be causing this correlation as well as assessing the possible relationships between lines in our sample. In particular, the presence of magnetic fields seems to play an important role as we found Zeeman splitting in four of our sources (W75 N, W3(OH), W51 and NGC 7538). Our results have implications for current understanding of the formation of high-mass stars as well as on the masing processes present in SFRs.

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ID	Obs. RA	Obs. Dec	l	b	Group id	grpv	Source name	Line	Frequency	Polarization	V_peak	F_peak	Telescope	Beam	Detection	Class	Dist. (parallax)	Date
	(J2000)	(J2000)	(deg.)	(deg.)				OH	(MHz)		(km/s)	(Jy)		(arcsec)	Yes/No		(kpc)
1	18 00 34.4	-24 04 04	5.8921	-0.4059	G5.885-0.392	G5.8921-0.4059	IRAS 17574-2403	1665 MHz;	1665	L	14.0	0.6	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
	18 00 34.4	-24 04 04	5.8921	-0.4059	G5.885-0.392	G5.8921-0.4059	IRAS 17574-2403	1665 MHz;	1665	L	14.0	0.6	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	GALAXY		2001 January 1
3	18 00 34.4	-24 04 04	5.8921	-0.4059	G5.885-0.392	G5.8921-0.4059	IRAS 17574-2403	1667 MHz;	1667	R	14.0	0.5	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	GALAXY		2001 January 1
	18 00 34.4	-24 04 04	5.8921	-0.4059	G5.885-0.392	G5.8921-0.4059	IRAS 17574-2403	1667 MHz;	1667	R	14.0	0.5	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
	18 00 34.4	-24 04 04	5.8921	-0.4059	G5.885-0.392	G5.8921-0.4059	IRAS 17574-2403	1667 MHz;	1667	L	14.0	0.5	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	GALAXY		2001 January 1
	18 00 34.4	-24 04 04	5.8921	-0.4059	G5.885-0.392	G5.8921-0.4059	IRAS 17574-2403	1667 MHz;	1667	L	14.0	0.5	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
7	18 04 53.9	-24 26 41	6.0501	-1.4494	G6.049-1.447	G6.0490-1.4471	CRL 2059	1665 MHz;	1665	R	11.0	2.0	VLBA	4.3	+H₂O +CH₃OH I -CH₃OH II +OH	SFR		2001 January 1
	18 04 53.9	-24 26 41	6.0501	-1.4494	G6.049-1.447	G6.0490-1.4471	CRL 2059	1665 MHz;	1665	L	11.0	2.0	VLBA	4.3	+H₂O +CH₃OH I -CH₃OH II +OH	SFR		2001 January 1
9	18 06 14.7	-20 31 31	9.6214	0.1958	G9.621+0.195	G9.6209+0.1951	IRAS 18032-2032	1665 MHz;	1665	R	1.8	1.5	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
	18 06 14.7	-20 31 31	9.6214	0.1958	G9.621+0.195	G9.6209+0.1951	IRAS 18032-2032	1665 MHz;	1665	L	1.8	1.5	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
11	18 06 14.7	-20 31 31	9.6214	0.1958	G9.621+0.195	G9.6209+0.1951	IRAS 18032-2032	1667 MHz;	1667	L	1.8	1.4	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
12	18 10 28.6	-19 55 51	10.6230	-0.3836	G10.623-0.384	G10.6236-0.3836	W31	1665 MHz;	1665	R	-2.2	5.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2001 January 1
	18 10 28.6	-19 55 51	10.6230	-0.3836	G10.623-0.384	G10.6236-0.3836	W31	1665 MHz;	1665	L	-2.2	5.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2001 January 1
14	18 10 28.6	-19 55 51	10.6230	-0.3836	G10.623-0.384	G10.6236-0.3836	W31	1667 MHz;	1667	R	-2.2	9.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2001 January 1
	18 10 28.6	-19 55 51	10.6230	-0.3836	G10.623-0.384	G10.6236-0.3836	W31	1667 MHz;	1667	L	-2.2	9.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2001 January 1
16	18 12 44.5	-18 24 25	12.2162	-0.1191	G12.209-0.110	G12.2162-0.1189	IRAS 01222-0012	1612 MHz;	1612	L	27.0	0.25	VLBA	4.3	+OH			2001 January 1
17	18 13 54.7	-18 01 46	12.6807	-0.1821	G12.681-0.182	G12.6806-0.1823	W33B	1665 MHz;	1665	L	61.5	0.6	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
18	18 13 54.7	-18 01 46	12.6807	-0.1821	G12.681-0.182	G12.6806-0.1823	W33B	1720 MHz;	1720	R	61.5	0.5	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
19	18 11 51.3	-17 31 29	12.8887	0.4897	G12.889+0.490	G12.8887+0.4897	IRAS 01289+0049	1665 MHz;	1665	R	35.0	1.8	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
	18 11 51.3	-17 31 29	12.8887	0.4897	G12.889+0.490	G12.8887+0.4897	IRAS 01289+0049	1665 MHz;	1665	L	35.0	1.8	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
21	18 14 39.5	-17 52 00	12.9085	-0.2602	G12.908-0.260	G12.9084-0.2602	IRAS 18117-1753	1665 MHz;	1665	R	35.2	14.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
	18 14 39.5	-17 52 00	12.9085	-0.2602	G12.908-0.260	G12.9084-0.2602	IRAS 18117-1753	1665 MHz;	1665	L	35.2	14.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
23	18 14 39.5	-17 52 00	12.9085	-0.2602	G12.908-0.260	G12.9084-0.2602	IRAS 18117-1753	1667 MHz;	1667	R	35.2	14.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
	18 14 39.5	-17 52 00	12.9085	-0.2602	G12.908-0.260	G12.9084-0.2602	IRAS 18117-1753	1667 MHz;	1667	L	35.2	14.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
25	18 14 39.5	-17 52 00	12.9085	-0.2602	G12.908-0.260	G12.9084-0.2602	IRAS 18117-1753	1720 MHz;	1720	R	35.2	0.1	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
26	18 29 24.5	-15 15 15	16.8761	-2.1527	G16.868-2.158	G16.8755-2.1541	IRAS 18265-1517	1665 MHz;	1665	R	16.0	1.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
27	18 28 10	-11 28 50	20.0798	-0.1345	G20.081-0.136	G20.0810-0.1358	IRAS 02008-0013	1665 MHz;	1665	L	46.5	0.7	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
28	18 27 25.9	-10 30 24	20.8580	0.4781	G20.854+0.486	G20.8580+0.4781	GRS 2086+048	1612 MHz;	1612	R	50.0	0.6	VLBA	4.3	-H₂O -CH₃OH II +OH	EVOLVED		2001 January 1
	18 27 25.9	-10 30 24	20.8580	0.4781	G20.854+0.486	G20.8580+0.4781	GRS 2086+048	1612 MHz;	1612	L	50.0	0.6	VLBA	4.3	-H₂O -CH₃OH II +OH	EVOLVED		2001 January 1
30	18 43 48.1	-03 35 31	28.8652	0.0586	G28.862+0.066	G28.8652+0.0586	IRAS 02886+0007	1665 MHz;	1665	L	103.0	2.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
31	18 43 48.1	-03 35 31	28.8652	0.0586	G28.862+0.066	G28.8652+0.0586	IRAS 02886+0007	1720 MHz;	1720	R	103.0	0.5	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
	18 43 48.1	-03 35 31	28.8652	0.0586	G28.862+0.066	G28.8652+0.0586	IRAS 02886+0007	1720 MHz;	1720	L	103.0	0.5	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
33	18 47 19.9	-02 05 57	30.5957	-0.0440	G30.589-0.043	G30.5957-0.0441	IRAS 03060-0004	1612 MHz;	1612	L	37.5	0.4	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2001 January 1
34	18 48 45.2	-01 33 12	31.2435	-0.1111	G31.243-0.111	G31.2430-0.1109	IRAS 03129+0007	1720 MHz;	1720	R	107.5	0.3	VLBA	4.3	+H₂O +CH₃OH I -CH₃OH II +OH	SFR		2001 January 1
	18 48 45.2	-01 33 12	31.2435	-0.1111	G31.243-0.111	G31.2430-0.1109	IRAS 03129+0007	1720 MHz;	1720	L	107.5	0.3	VLBA	4.3	+H₂O +CH₃OH I -CH₃OH II +OH	SFR		2001 January 1
36	18 29 49.7	+01 15 20	31.5840	5.3802	G31.584+5.357	G31.5842+5.3796	Serpens	1667 MHz;	1667	R	9.5	0.6	VLBA	4.3	+OH			2001 January 1
37	18 53 18.7	+01 14 59	34.2577	0.1530	G34.257+0.153	G34.2575+0.1531	IRAS 18507+0110	1665 MHz;	1665	R	58.0	28.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2001 January 1
	18 53 18.7	+01 14 59	34.2577	0.1530	G34.257+0.153	G34.2575+0.1531	IRAS 18507+0110	1665 MHz;	1665	L	58.0	28.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2001 January 1
39	18 53 18.7	+01 14 59	34.2577	0.1530	G34.257+0.153	G34.2575+0.1531	IRAS 18507+0110	1667 MHz;	1667	R	58.0	81.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2001 January 1
	18 53 18.7	+01 14 59	34.2577	0.1530	G34.257+0.153	G34.2575+0.1531	IRAS 18507+0110	1667 MHz;	1667	L	58.0	81.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2001 January 1
41	19 01 45.5	+01 13 32	35.2000	-1.7364	G35.200-1.737	G35.2002-1.7366	W48	1665 MHz;	1665	R	32.1	4.8	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
	19 01 45.5	+01 13 32	35.2000	-1.7364	G35.200-1.737	G35.2002-1.7366	W48	1665 MHz;	1665	L	32.1	4.8	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
43	19 01 45.5	+01 13 32	35.2000	-1.7364	G35.200-1.737	G35.2002-1.7366	W48	1667 MHz;	1667	L	32.1	1.9	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
44	19 01 45.5	+01 13 32	35.2000	-1.7364	G35.200-1.737	G35.2002-1.7366	W48	1720 MHz;	1720	R	32.1	1.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
	19 01 45.5	+01 13 32	35.2000	-1.7364	G35.200-1.737	G35.2002-1.7366	W48	1720 MHz;	1720	L	32.1	1.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
46	18 56 22.5	+02 20 27	35.5779	-0.0304	G35.578-0.030	G35.5781-0.0304	IRAS 03558-0003	1665 MHz;	1665	R	48.9	9.5	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2001 January 1
	18 56 22.5	+02 20 27	35.5779	-0.0304	G35.578-0.030	G35.5781-0.0304	IRAS 03558-0003	1665 MHz;	1665	L	48.9	9.5	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2001 January 1
48	19 23 43.9	+14 30 27	49.4879	-0.3884	G49.488-0.383	G49.4897-0.3876	W51	1665 MHz;	1665	R	58.0	67.0	VLBA	4.3	+OH			2001 January 1
	19 23 43.9	+14 30 27	49.4879	-0.3884	G49.488-0.383	G49.4897-0.3876	W51	1665 MHz;	1665	L	58.0	67.0	VLBA	4.3	+OH			2001 January 1
50	19 23 43.9	+14 30 27	49.4879	-0.3884	G49.488-0.383	G49.4897-0.3876	W51	1667 MHz;	1667	R	62.0	0.6	VLBA	4.3	+OH			2001 January 1
	19 23 43.9	+14 30 27	49.4879	-0.3884	G49.488-0.383	G49.4897-0.3876	W51	1667 MHz;	1667	L	54.0	3.0	VLBA	4.3	+OH			2001 January 1
52	19 23 43.9	+14 30 27	49.4879	-0.3884	G49.488-0.383	G49.4897-0.3876	W51	1720 MHz;	1720	R	57.5	81.2	VLBA	4.3	+OH			2001 January 1
	19 23 43.9	+14 30 27	49.4879	-0.3884	G49.488-0.383	G49.4897-0.3876	W51	1720 MHz;	1720	L	57.5	81.2	VLBA	4.3	+OH			2001 January 1
54	20 14 26	+41 13 32	78.1221	3.6328	G78.122+3.633	G78.1221+3.6328	IRAS 20126+4104	1665 MHz;	1665	R	-4.0	0.3	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2001 January 1
55	20 36 52.6	+41 36 33	80.8673	0.4204	G80.867+0.420	G80.8672+0.4203	W70	1665 MHz;	1665	R	-8.0	0.6	VLBA	4.3	+H₂O -CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
	20 36 52.6	+41 36 33	80.8673	0.4204	G80.867+0.420	G80.8672+0.4203	W70	1665 MHz;	1665	L	-8.0	0.6	VLBA	4.3	+H₂O -CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
57	20 36 52.6	+41 36 33	80.8673	0.4204	G80.867+0.420	G80.8672+0.4203	W70	1667 MHz;	1667	R	-8.0	4.7	VLBA	4.3	+H₂O -CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
58	20 39 0.9	+42 22 48	81.7213	0.5712	G81.718+0.571	G81.7215+0.5721	W75 S	1665 MHz;	1665	R	1.0	13.5	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH -SiO	SFR		2001 January 1
	20 39 0.9	+42 22 48	81.7213	0.5712	G81.718+0.571	G81.7215+0.5721	W75 S	1665 MHz;	1665	L	1.0	13.5	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH -SiO	SFR		2001 January 1
60	20 39 0.9	+42 22 48	81.7213	0.5712	G81.718+0.571	G81.7215+0.5721	W75 S	1667 MHz;	1667	R	1.0	2.3	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH -SiO	SFR		2001 January 1
	20 39 0.9	+42 22 48	81.7213	0.5712	G81.718+0.571	G81.7215+0.5721	W75 S	1667 MHz;	1667	L	1.0	2.3	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH -SiO	SFR		2001 January 1
62	20 39 0.9	+42 22 48	81.7213	0.5712	G81.718+0.571	G81.7215+0.5721	W75 S	1720 MHz;	1720	R	1.0	0.35	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH -SiO	SFR		2001 January 1
	20 39 0.9	+42 22 48	81.7213	0.5712	G81.718+0.571	G81.7215+0.5721	W75 S	1720 MHz;	1720	L	1.0	0.35	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH -SiO	SFR		2001 January 1
64	20 38 36.8	+42 37 59	81.8773	0.7838	G81.871+0.781	G81.8726+0.7806	W75 N	1665 MHz;	1665	R	7.0	130.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2001 January 1
	20 38 36.8	+42 37 59	81.8773	0.7838	G81.871+0.781	G81.8726+0.7806	W75 N	1665 MHz;	1665	L	7.0	130.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2001 January 1
66	20 38 36.8	+42 37 59	81.8773	0.7838	G81.871+0.781	G81.8726+0.7806	W75 N	1667 MHz;	1667	R	7.0	16.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2001 January 1
	20 38 36.8	+42 37 59	81.8773	0.7838	G81.871+0.781	G81.8726+0.7806	W75 N	1667 MHz;	1667	L	7.0	16.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2001 January 1
68	20 38 36.8	+42 37 59	81.8773	0.7838	G81.871+0.781	G81.8726+0.7806	W75 N	1720 MHz;	1720	R	7.0	6.4	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2001 January 1
	20 38 36.8	+42 37 59	81.8773	0.7838	G81.871+0.781	G81.8726+0.7806	W75 N	1720 MHz;	1720	L	7.0	6.4	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2001 January 1
70	21 40 0.8	+50 13 39	94.5999	-1.8093	G94.603-1.796	G94.5999-1.8093	GL2789	1665 MHz;	1665	L	-41.0	0.8	VLBA	4.3	+H₂O -CH₃OH I +CH₃OH II +OH -SiO	EVOLVED		2001 January 1
71	21 43 0.9	+54 56 19	98.0351	1.4471	G98.035+1.446	G98.0354+1.4458	IRAS 21413+5442	1665 MHz;	1665	R	-61.0	9.5	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2001 January 1
72	21 43 0.9	+54 56 19	98.0351	1.4471	G98.035+1.446	G98.0354+1.4458	IRAS 21413+5442	1612 MHz;	1612	R	-61.0	0.2	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2001 January 1
	21 43 0.9	+54 56 19	98.0351	1.4471	G98.035+1.446	G98.0354+1.4458	IRAS 21413+5442	1612 MHz;	1612	L	-61.0	0.2	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR_MIXED		2001 January 1
74	22 19 18.4	+63 18 45	106.7968	5.3114	G106.797+5.312	G106.7968+5.3121	IRAS 22176+6303	1665 MHz;	1665	L	-8.2	2.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
75	22 56 18	+62 01 50	109.8711	2.1144	G109.871+2.115	G109.8716+2.1152	Cepheus A	1665 MHz;	1665	R	-13.8	19.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
	22 56 18	+62 01 50	109.8711	2.1144	G109.871+2.115	G109.8716+2.1152	Cepheus A	1665 MHz;	1665	L	-13.8	19.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
77	22 56 18	+62 01 50	109.8711	2.1144	G109.871+2.115	G109.8716+2.1152	Cepheus A	1667 MHz;	1667	R	-13.8	0.6	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
	22 56 18	+62 01 50	109.8711	2.1144	G109.871+2.115	G109.8716+2.1152	Cepheus A	1667 MHz;	1667	L	-13.8	0.6	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
79	23 13 45.3	+61 28 10	111.5420	0.7768	G111.542+0.776	G111.5421+0.7769	NGC 7538	1665 MHz;	1665	R	-57.4	6.0	VLBA	4.3	+OH			2001 January 1
	23 13 45.3	+61 28 10	111.5420	0.7768	G111.542+0.776	G111.5421+0.7769	NGC 7538	1665 MHz;	1665	L	-57.4	6.0	VLBA	4.3	+OH			2001 January 1
81	23 13 45.3	+61 28 10	111.5420	0.7768	G111.542+0.776	G111.5421+0.7769	NGC 7538	1667 MHz;	1667	R	-57.4	1.4	VLBA	4.3	+OH			2001 January 1
82	23 13 45.3	+61 28 10	111.5420	0.7768	G111.542+0.776	G111.5421+0.7769	NGC 7538	1720 MHz;	1720	R	-57.4	22.6	VLBA	4.3	+OH			2001 January 1
	23 13 45.3	+61 28 10	111.5420	0.7768	G111.542+0.776	G111.5421+0.7769	NGC 7538	1720 MHz;	1720	L	-57.4	22.6	VLBA	4.3	+OH			2001 January 1
84	02 27 4.1	+61 52 22	133.9481	1.0637	G133.947+1.064	G133.9475+1.0642	W3(OH)	1665 MHz;	1665	R	-44.3	140.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
	02 27 4.1	+61 52 22	133.9481	1.0637	G133.947+1.064	G133.9475+1.0642	W3(OH)	1665 MHz;	1665	L	-44.3	140.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
86	02 27 4.1	+61 52 22	133.9481	1.0637	G133.947+1.064	G133.9475+1.0642	W3(OH)	1667 MHz;	1667	R	-44.3	12.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
	02 27 4.1	+61 52 22	133.9481	1.0637	G133.947+1.064	G133.9475+1.0642	W3(OH)	1667 MHz;	1667	L	-44.3	12.0	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
88	02 27 4.1	+61 52 22	133.9481	1.0637	G133.947+1.064	G133.9475+1.0642	W3(OH)	1612 MHz;	1612	R	-44.3	51.1	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
	02 27 4.1	+61 52 22	133.9481	1.0637	G133.947+1.064	G133.9475+1.0642	W3(OH)	1612 MHz;	1612	L	-44.3	51.1	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
90	02 27 4.1	+61 52 22	133.9481	1.0637	G133.947+1.064	G133.9475+1.0642	W3(OH)	1720 MHz;	1720	R	-44.3	19.2	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
	02 27 4.1	+61 52 22	133.9481	1.0637	G133.947+1.064	G133.9475+1.0642	W3(OH)	1720 MHz;	1720	L	-44.3	19.2	VLBA	4.3	+H₂O +CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
92	05 17 13.3	+39 22 14	168.0631	0.8197	G168.063+0.820	G168.0629+0.8197	IRAS 05137+3919	1665 MHz;	1665	R	-21.0	0.4	VLBA	4.3	+H₂O -CH₃OH I +CH₃OH II +OH	GALAXY		2001 January 1
93	05 20 16.1	+36 37 21	170.6566	-0.2692	G170.657-0.269	G170.6569-0.2688	IRAS 05168+3634	1665 MHz;	1665	R	-16.0	0.3	VLBA	4.3	+H₂O +CH₃OH I -CH₃OH II +OH	SFR		2001 January 1
94	05 20 16.1	+36 37 21	170.6566	-0.2692	G170.657-0.269	G170.6569-0.2688	IRAS 05168+3634	1667 MHz;	1667	R	-16.0	1.0	VLBA	4.3	+H₂O +CH₃OH I -CH₃OH II +OH	SFR		2001 January 1
95	06 14 37.3	+13 49 36	196.4545	-1.6765	G196.454-1.677	G196.4539-1.6773	S269	1665 MHz;	1665	L	16.0	5.5	VLBA	4.3	+H₂O -CH₃OH I +CH₃OH II +OH	SFR		2001 January 1
96	06 14 37.3	+13 49 36	196.4545	-1.6765	G196.454-1.677	G196.4539-1.6773	S269	1667 MHz;	1667	R	16.0	2.5	VLBA	4.3	+H₂O -CH₃OH I +CH₃OH II +OH	SFR		2001 January 1

DSS colored	2MASS colored	WISE colored
PACS color (70-160 um)	SPIRE color (250-500 um)	GLIMPSE 360
SDSS color	IRAC color I1,I2,I4	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(oh_data_all.ra_hms) as ra_hms,MAX(oh_data_all.dec_dms) as dec_dms,MAX(oh_data_all.source_name) as source_name,MAX(oh_data_all.ra) as ra,MAX(oh_data_all.dec) as dec,MAX(oh_data_all.l) as l,MAX(oh_data_all.b) as b,MAX(oh_data_all.grp) as grp,MAX(oh_data_all.grpv) as grpv,MAX(oh_data_all.other_name) as other_name,MAX(oh_data_all.other_desc) as other_desc,BOOL_OR(thermal) as thermal,MAX(oh_data_all.line) as line,MAX(oh_data_all.freq) as freq,MAX(oh_data_all.pol) as pol,MAX(oh_data_all.vrange) as vrange,MAX(oh_data_all.vpeak) as vpeak,MAX(oh_data_all.peak) as peak,MAX(oh_data_all.fwhm) as fwhm,MAX(oh_data_all.int) as int,MAX(oh_data_all.rms) as rms,MAX(oh_data_all.units) as units,MAX(oh_data_all.units_rms) as units_rms,MAX(oh_data_all.date_txt) as date_txt,MAX(oh_data_all.telescope_ref) as telescope_ref,MAX(oh_data_all.telescope_conf) as telescope_conf,MAX(oh_data_all.v_step) as v_step,MAX(oh_data_all.beam) as beam,MAX(oh_data_all.beam_maj) as beam_maj,MAX(oh_data_all.beam_min) as beam_min,MAX(oh_data_all.beam_pa) as beam_pa,MAX(oh_data_all.ref) as ref,MAX(oh_data_all.list_ref) as list_ref,MAX(oh_data_all.ascii) as ascii,MAX(oh_data_all.url) as url,MAX(oh_data_all.image) as image,MAX(oh_data_all.image2) as image2,MAX(oh_data_all.image3) as image3,MAX(oh_data_all.descr) as descr,MAX(oh_data_all.id) as id,BOOL_OR(mjy_flag) as mjy_flag,BOOL_OR(rms_mjy_flag) as rms_mjy_flag,MAX(oh_data_all.dist) as dist,1 as dist_parallax,MAX(oh_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 oh_data_all  LEFT JOIN all_objects_withmet ON oh_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 oh_data_all.line=transitions."Line"  WHERE ref ilike 'RUI16' AND detected=true AND hide=false GROUP BY ref

select oh_data_all.ra_hms,oh_data_all.dec_dms,oh_data_all.source_name,oh_data_all.ra,oh_data_all.dec,oh_data_all.l,oh_data_all.b,oh_data_all.grp,oh_data_all.grpv,oh_data_all.other_name,oh_data_all.other_desc,oh_data_all.thermal,oh_data_all.line,oh_data_all.freq,oh_data_all.pol,oh_data_all.vrange,oh_data_all.vpeak,oh_data_all.peak,oh_data_all.fwhm,oh_data_all.int,oh_data_all.rms,oh_data_all.units,oh_data_all.units_rms,oh_data_all.date_txt,oh_data_all.telescope_ref,oh_data_all.telescope_conf,oh_data_all.v_step,oh_data_all.beam,oh_data_all.beam_maj,oh_data_all.beam_min,oh_data_all.beam_pa,oh_data_all.ref,oh_data_all.list_ref,oh_data_all.ascii,oh_data_all.url,oh_data_all.image,oh_data_all.image2,oh_data_all.image3,oh_data_all.descr,oh_data_all.id,oh_data_all.mjy_flag,oh_data_all.rms_mjy_flag,oh_data_all.dist,oh_data_all.dist_parallax,oh_data_all.date_txt,line_det,type,simbad_types_cat FROM oh_data_all   LEFT JOIN all_objects_withmet ON oh_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 oh_data_all.line=transitions."Line"  WHERE ref ilike 'RUI16' AND detected=true AND hide=false ORDER BY detected DESC,id

Display data from paper

RUI16 - VLBA Surveys of OH Masers in Star-forming Regions. I. Satellite Lines

View as list of objects

Detection table from Ruiz-Velasco et al. (2016)