2009A&A...507.1117X

Query : 2009A&A...507.1117X

2009A&A...507.1117X - Astronomy and Astrophysics, volume 507, 1117-1139 (2009/11-4)

Absolute positions of 6.7-GHz methanol masers.

XU Y., VORONKOV M.A., PANDIAN J.D., LI J.J., SOBOLEV A.M., BRUNTHALER A., RITTER B. and MENTEN K.M.

Abstract (from CDS):

The ATCA, MERLIN and VLA interferometers were used to measure the absolute positions of 35 6.7-GHz methanol masers to subarcsecond or higher accuracy. Our measurements represent essential preparatory data for Very Long Baseline Interferometry, which can provide accurate parallax and proper motion determinations of the star-forming regions harboring the masers. Our data also allow associations to be established with infrared sources at different wavelengths. Our findings support the view that the 6.7GHz masers are associated with the earliest phases of high-mass star formation.

Abstract Copyright: ∼

Journal keyword(s): masers - instrumentation: interferometers - astrometry - Galaxy: structure

CDS comments: Paragraph.2 Calibrator 2084+431 not in Simbad.

Simbad objects: 37

Full paper

View the references in ADS

Number of rows : 37

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag B	Mag V	Mag R	Sp type	#ref 1850 - 2023	#notes
1	LDN 1287	DNe	00 36 47.5	+63 29 02				~	89	0
2	NGC 281	HII	00 52 25.1	+56 33 54				~	237	1
3	NAME W 3 OH	HII	02 27 04.1	+61 52 22				~	1000	2
4	3C 84	Sy2	03 19 48.1599902040	+41 30 42.108850836	13.10	12.48	11.09	~	3892	3
5	NAME Per Arm	PoG	03 30	+45.0				~	1453	0
6	SH 2-231	HII	05 39 12.9	+35 45 54				~	127	0
7	RAFGL 6366S	HII	06 08 41.0	+21 31 01				~	87	0
8	RAFGL 5180	SFR	06 08 54.1	+21 38 25				~	113	0
9	MMB G192.600-00.048	Y*O	06 12 54.0100	+17 59 23.200				~	381	0
10	IC 2162	HII	06 13 04.1	+17 58 44				~	351	2
11	LBN 196.49-01.60	HII	06 14 38.40	+13 49 44.7				~	164	1
12	NAME Car Arm	PoG	10 00	-60.0				~	427	1
13	NAME Crux Arm	PoG	12 30	-60.0				~	88	0
14	3C 286	Sy1	13 31 08.2883506368	+30 30 32.960091564	17.51	17.25		~	4216	2
15	NAME Nor Arm	PoG	16 00	-50.0				~	404	0
16	NAME NGC 6334-I	Cl*	17 20 53.35	-35 47 01.5				~	326	0
17	NAME Galactic Center	reg	17 45 39.60213	-29 00 22.0000				~	13679	0
18	IRAS 18024-2119	IR	18 05 25.4	-21 19 41				~	16	0
19	GAL 035.2-00.74	cor	18 58 13.00	+01 40 36.0				~	165	0
20	IRAS 18556+0136	mul	18 58 13.1	+01 40 35				~	137	0
21	NAME Sgr Arm	PoG	19 00	-30.0				~	620	1
22	GAL 043.89-00.78	HII	19 14 26.16	+09 22 34.0				~	51	0
23	IRAS 19186+1440	IR	19 20 57.0	+14 46 40				~	10	0
24	W 51e2	PCG	19 23 43.906	+14 30 34.48				~	206	0
25	QSO B1921-293	BLL	19 24 51.05595254	-29 14 30.1210248	18.71	18.21	15.07	~	818	0
26	[BNM96] 052.660-1.090	HII	19 32 32.3027695224	+16 57 34.130933064				~	10	0
27	ICRF J193925.0-634245	Sy2	19 39 25.0245304992	-63 42 45.640373400	18.87	18.37	17.64	~	1164	1
28	QSO B2005+40	QSO	20 07 44.9449261536	+40 29 48.603352020	18.5	19.00	20.3	~	291	1
29	[KCW94] 069.540-00.975	HII	20 10 09.0	+31 31 35				~	167	1
30	IRAS 20081+3122	Y*O	20 10 09.036	+31 31 34.14				~	170	0
31	Onsala 1	cor	20 10 09.2036	+31 31 36.090				~	187	0
32	IRAS 20290+4052	HII	20 30 50.660	+41 02 27.60				~	28	0
33	18P 73	Rad	20 36 55.9	+41 36 29				~	45	0
34	NAME Cyg X FIR 36	Rad	20 39 01.6	+42 22 47				~	116	1
35	V* V645 Cyg	Ae*	21 39 58.2745507632	+50 14 21.042184668	14.23	13.10	13.82	O6/9eq	264	0
36	LDN 1206	DNe	22 28 52.2	+64 13 43				~	66	0
37	NAME Scutum Spiral Arm	PoG	~	~				~	336	0

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