2005AJ....130..652V

Query : 2005AJ....130..652V

2005AJ....130..652V - Astron. J., 130, 652-658 (2005/August-0)

Metal abundances in extremely distant galactic old open clusters. II. Berkeley 22 and Berkeley 66.

VILLANOVA S., CARRARO G., BRESOLIN F. and PATAT F.

Abstract (from CDS):

We report on high-resolution spectroscopy of four giant stars in the Galactic old open clusters Berkeley 22 and Berkeley 66 obtained with HIRES at the Keck telescope. We find that [Fe/H]=-0.32±0.19 and -0.48±0.24 for Be 22 and Be 66, respectively. Based on these data, we first revise the fundamental parameters of the clusters and then discuss them in the context of the Galactic disk radial abundance gradient. We found that both clusters nicely obey the most updated estimate of the slope of the gradient from the work of Friel and coworkers and are genuine Galactic disk objects.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: Open Clusters and Associations: General - Galaxy: Open Clusters and Associations: Individual: Name: Berkeley 22 - Galaxy: Open Clusters and Associations: Individual: Name: Berkeley 66

VizieR on-line data: <Available at CDS (J/AJ/130/652): table1.dat table3.dat>

Simbad objects: 15

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Number of rows : 15
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 66 GC 785 * 03 04 02.90 +58 43 57.0     18.23     K1III 3 0
2 Cl* Berkeley 66 GC 934 * 03 04 06.41 +58 43 31.0     18.23     K1III 3 0
3 Cl Berkeley 66 OpC 03 04 06.9 +58 44 14           ~ 74 0
4 NGC 1193 OpC 03 05 56.4 +44 22 58     12.6     ~ 97 0
5 Cl Berkeley 21 OpC 05 51 44.7 +21 48 36   12.26 11.1     ~ 130 0
6 Cl* Berkeley 22 K 579 * 05 58 25.78 +07 45 31.2   18.538 16.876     K0III 4 0
7 Cl Berkeley 22 OpC 05 58 28.5 +07 45 39           ~ 96 0
8 Cl* Berkeley 22 K 400 * 05 58 30.97 +07 46 15.3   18.275 16.695     G8III 4 0
9 NGC 2141 OpC 06 02 56.5 +10 26 57           ~ 159 0
10 NGC 2158 OpC 06 07 26.7 +24 05 53           ~ 317 0
11 Cl Berkeley 31 OpC 06 57 37.5 +08 17 18           ~ 142 0
12 Cl Haffner 2 OpC 07 03 06.2 -20 49 07           ~ 146 0
13 NAME Saurer A Cluster OpC 07 20.9 +01 48           ~ 70 0
14 HD 82106 PM* 09 29 54.8251829217 +05 39 18.473349688 9.071 8.223 7.197 6.626 6.13 K3V 231 0
15 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0

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