2006AJ....131.1559V

Query : 2006AJ....131.1559V

2006AJ....131.1559V - Astron. J., 131, 1559-1564 (2006/March-0)

Diameters of open star clusters.

VAN DEN BERGH S.

Abstract (from CDS):

The present paper presents a tabulation of data on all 600 Galactic open clusters for which it is currently possible to calculate linear diameters. As expected, the youngest ``clusters'', with ages <15 Myr, contain a significant (≥20%) admixture of associations. Among intermediate-age clusters, with ages in the range 15 Myr to 1.5 Gyr, the median cluster diameter is found to increase with age. Small, compact clusters are rare among objects with ages >1.5 Gyr. Open clusters with ages >1 Gyr appear to form what might be termed a ``cluster thick disk'', part of which consists of objects that were probably captured gravitationally by the main body of the Galaxy.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: Open Clusters and Associations: General

VizieR on-line data: <Available at CDS (J/AJ/131/1559): table1.dat>

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

CDS comments: Clusters Sauer 1 and 2 misprints for Saurer 1 and 2 ([SSW94] a and [SSW94] b in SIMBAD).

Simbad objects: 20

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Number of rows : 20
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 Cl Berkeley 17 OpC 05 20 30.5 +30 34 20           ~ 192 0
2 NGC 2243 OpC 06 29 34.3 -31 16 58   10.12 9.4     ~ 298 0
3 Cl Berkeley 29 OpC 06 53 03.6 +16 55 24   14.3       ~ 187 0
4 Cl Haffner 2 OpC 07 03 06.2 -20 49 07           ~ 146 0
5 NAME CMa Dwarf Galaxy G 07 12.6 -27 40     -0.1     ~ 203 1
6 NAME Saurer A Cluster OpC 07 20.9 +01 48           ~ 70 0
7 Cl Melotte 66 OpC 07 26 19.2 -47 41 14   8.73       ~ 213 0
8 ESO 368-7 OpC 07 38 44.3 -33 50 33           ~ 55 0
9 Cl Saurer 2 OpC 08 25 27.8 -39 38 22           ~ 24 0
10 Cl Mamajek 1 OpC 08 42 32.9 -78 57 47           ~ 392 0
11 NAME UKS 2 OpC 09 25 15.2 -54 42 55           ~ 43 0
12 NAME Car Arm PoG 10 00 -60.0           ~ 471 1
13 ESO 92-18 OpC 10 14 57.0 -64 36 37           ~ 38 0
14 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
15 NGC 6618 OpC 18 20 47 -16 10.3           ~ 1700 0
16 NAME Sgr Arm PoG 19 00 -30.0           ~ 710 1
17 NGC 6791 OpC 19 20 52.8 +37 46 40   10.52 9.5     ~ 1120 0
18 NGC 7772 err 23 51 46 +16 14.8           ~ 17 0
19 NGC 7789 OpC 23 57 19.4 +56 43 28   7.68 6.7     ~ 575 0
20 NAME Local Group GrG ~ ~           ~ 9325 0

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