2009MNRAS.400..518M

Query : 2009MNRAS.400..518M

2009MNRAS.400..518M - Mon. Not. R. Astron. Soc., 400, 518-523 (2009/November-3)

Kinematics of OB-associations and the new reduction of the Hipparcos data.

MEL'NIK A.M. and DAMBIS A.K.

Abstract (from CDS):

The proper motions of OB-associations computed using the old and new reductions of the Hipparcos data are in good agreement with each other. The Galactic rotation curve derived from an analysis of the line-of-sight velocities and proper motions of OB-associations is almost flat in the 3-kpc neighbourhood of the Sun. The angular rotation velocity at the solar distance is Ω0= 31±1 km/s/kpc. The standard deviation of the velocities of OB-associations from the rotation curve is σ = 7.2 km/s. The distance scale for OB-associations should be shortened by 10-20 per cent. The residual velocities of OB-associations calculated for the new and old reductions differ, on average, by 3.5 km/s. The mean residual velocities of OB-associations in the stellar-gas complexes depend only slightly on the data reduction employed.

Abstract Copyright: © 2009 The Authors. Journal compilation © 2009 RAS

Journal keyword(s): Galaxy: kinematics and dynamics - open clusters and associations: general

VizieR on-line data: <Available at CDS (J/MNRAS/400/518): table1.dat>

Simbad objects: 97

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Number of rows : 97
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 Ass Cep OB 4 As* 00 02 +67.7           ~ 86 1
2 Ass Cas OB 4 As* 00 27 +62.4           ~ 46 0
3 Ass Cas OB 14 As* 00 29 +63.5           ~ 34 0
4 Ass Cas OB 7 As* 00 50 14 +64 04.3           ~ 65 0
5 Ass Cas OB 1 As* 01 00 +61.5           ~ 44 0
6 NGC 457 OpC 01 19 32.4 +58 16 40   6.97 6.4     ~ 259 2
7 Ass Cas OB 8 As* 01 44 +61.1           ~ 48 0
8 Ass Per OB 1 As* 02 21 +57.6           ~ 181 1
9 Ass Cas OB 6 As* 02 43 +61.3           ~ 128 0
10 Ass Per OB 3 As* 03 27 48.5 +49 54 02   15.36 13.93     ~ 40 0
11 Ass Cam OB 1 As* 03 31.6 +58 38           ~ 98 0
12 Ass Per OB 2 As* 03 42.2 +33 26           ~ 350 0
13 Ass Cam OB 3 As* 04 03 +56.7           ~ 27 0
14 Ass Aur OB 1 As* 05 22 +33.9           ~ 85 0
15 NGC 1893 OpC 05 22 52.8 +33 26 32           ~ 270 0
16 Ass Aur OB 2 As* 05 28 +34.9           ~ 48 0
17 NAME Ori I As* 05 38 -02.8           ~ 653 0
18 NGC 2129 OpC 06 01 06.6 +23 20 04   7.31 6.7     ~ 120 0
19 Ass Gem OB 1 As* 06 09.8 +21 35           ~ 203 0
20 NAME Rosette OB Association As* 06 31.7 +04 58           ~ 148 0
21 NAME Mon I MoC 06 35 +10.1           ~ 268 0
22 Cl Collinder 121 OpC 06 56 20 -24 43.8   3.02 2.6     ~ 156 0
23 Ass Mon OB 3 As* 06 59 -04.3           ~ 12 0
24 Ass CMa OB 1 As* 07 07.0 -10 28           ~ 161 0
25 NGC 2362 OpC 07 18 41.9 -24 57 08           ~ 428 0
26 NGC 2367 OpC 07 20 06.7 -21 52 39           ~ 76 0
27 Cl Collinder 140 OpC 07 23 23.9 -31 58 15           ~ 154 0
28 NGC 2414 OpC 07 33 10.7 -15 26 56   8.33 7.9     ~ 87 0
29 NGC 2439 OpC 07 40 46.5 -31 41 36   7.31 6.9     ~ 150 0
30 Ass Pup OB 1 As* 07 53 -26.8           ~ 26 0
31 Ass Pup OB 2 As* 07 57 -27.5           ~ 22 0
32 Ass Vel OB 2 As* 08 09 22.478 -47 21 03.46           ~ 307 0
33 Ass Pup OB 3 As* 08 18.1 -35 46           ~ 26 0
34 Ass Vel OB 1 As* 08 49.9 -45 00           ~ 104 0
35 Ass Car OB 1 As* 10 38 -59.0           ~ 172 0
36 Cl Trumpler 14 OpC 10 43 56.0 -59 33 07   5.70 5.5     ~ 547 0
37 Cl Collinder 228 OpC 10 44 00 -60 05.2           ~ 211 0
38 Cl Trumpler 15 OpC 10 44 43.6 -59 22 07           ~ 229 0
39 Cl Trumpler 16 OpC 10 45 01.9 -59 42 00           ~ 510 0
40 Ass Car OB 2 As* 11 08 -60.2           ~ 84 0
41 NGC 3576 HII 11 11 53.2 -61 18 26           ~ 245 2
42 NGC 3766 OpC 11 36 13.5 -61 36 42   5.66 5.3     ~ 222 0
43 Ass Cru OB 1 As* 11 40 -62.9           ~ 45 0
44 Ass Cen OB 1 As* 13 02 -61.4           ~ 107 0
45 Cl Hogg 16 OpC 13 29 18 -61 12.0           ~ 69 0
46 SNR G309.2-00.6 SNR 13 46.5 -62 54           ~ 78 0
47 NGC 5606 OpC 14 27 49.7 -59 37 45           ~ 109 0
48 Ass Cir OB 1 As* 14 45 -62.9           ~ 24 0
49 Cl Pismis 20 OpC 15 15 23.5 -59 04 23   8.69 7.8     ~ 103 0
50 Ass Nor OB 1 As* 15 58 -54.4           ~ 11 0
51 GUM 51 HII 16 10.0 -49 08           ~ 21 1
52 NGC 6067 OpC 16 13 10.2 -54 13 48           ~ 239 0
53 NAME Upper Sco-Cen As* 16 15 -24.2           ~ 1497 1
54 AJG 44 Psr 16 17 33.000 -51 02 00.00           ~ 552 3
55 Ass Ara OB 1 As* 16 39.5 -46 46           ~ 95 0
56 Ass Ara OB 1a As* 16 39.5 -46 46           ~ 18 0
57 HD 150135 * 16 41 19.4443334664 -48 45 47.568769200 6.19 7.00 6.88 7.33   O6.5V((f))z 130 0
58 HD 150136 SB* 16 41 20.4155898816 -48 45 46.730465028 4.98 5.78 5.65 6.93   O3.5-4III(f*)+O6IV 201 0
59 NGC 6204 OpC 16 46 09.1 -47 01 29   8.51 8.2     ~ 139 0
60 NAME Sco OB 1 As* 16 53.5 -41 57           ~ 222 0
61 Ass Sco OB 4 As* 17 12.6 -33 22           ~ 44 0
62 HD 156154 V* 17 17 27.0092259048 -35 32 12.001357572 8.19 8.64 8.04 8.94   O7.5Ib(f) 82 0
63 Cl Trumpler 27 OpC 17 36 20 -33 31.0   8.24 6.7     ~ 100 1
64 NGC 6405 OpC 17 40 14.5 -32 14 16           ~ 235 0
65 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
66 Ass Sgr OB 5 As* 17 50 -29.6           ~ 22 0
67 Cl Melotte 186 OpC 18 02 20.8 +03 25 52           ~ 89 0
68 Ass Sgr OB 1 As* 18 06 -22.8           ~ 128 0
69 Ass Sgr OB 6 As* 18 12 -16.0           ~ 18 0
70 Ass Sgr OB 7 As* 18 14.9 -20 24           ~ 39 0
71 Ass Sgr OB 4 As* 18 16 -18.9           ~ 26 0
72 Ass Ser OB 2 As* 18 18 -12.3           ~ 65 0
73 Ass Ser OB 1 As* 18 21 -14.4           ~ 76 0
74 Ass Sct OB 3 As* 18 25 27.2 -14 15 04           ~ 37 0
75 Ass Sct OB 2 As* 18 35 -08.9           ~ 37 0
76 Cl Trumpler 35 OpC 18 42 57.9 -04 13 21   10.44 9.2     ~ 79 0
77 Ass Vul OB 4 As* 19 43.1 +24 34           ~ 29 0
78 Ass Vul OB 1 As* 19 44.0 +24 13           ~ 100 0
79 Ass Cyg OB 3 As* 20 07 +35.9           ~ 190 0
80 Ass Cyg OB 8 As* 20 15 +40.9           ~ 73 0
81 Ass Cyg OB 1 As* 20 17.8 +37 38           ~ 270 1
82 Ass Cyg OB 9 As* 20 21 +39.9           ~ 136 0
83 NAME Cyg Complex reg 20 32 +45.0           ~ 667 0
84 Ass Cyg OB 2 As* 20 33.2 +41 19           ~ 1023 0
85 NGC 6991 OpC 20 54 31.8 +47 23 26           ~ 77 2
86 Ass Cyg OB 7 As* 21 08 +47.6           ~ 218 0
87 NAME IV CYG ASSOC. As* 21 15 +37.9           ~ 52 0
88 Ass Cep OB 2 As* 21 51 +60.0           ~ 303 0
89 NGC 7235 OpC 22 12 20.5 +57 16 13   8.58 7.7     ~ 119 0
90 Ass Cep OB 1 As* 22 29 +56.6           ~ 91 0
91 NAME I Lac As* 22 41 +38.5           ~ 158 0
92 Ass Cep OB 5 As* 23 02 16 +57 01.3           ~ 20 1
93 NAME III CEP ASSOC As* 23 04.2 +63 24           ~ 332 0
94 Ass Cas OB 2 As* 23 20 +60.9           ~ 69 0
95 Ass Cas OB 5 As* 23 54 +61.6           ~ 78 0
96 NAME Carina Region reg ~ ~           ~ 192 0
97 Ass Ara OB 1b As* ~ ~           ~ 5 0

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