SIMBAD references

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.


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>

Status at CDS:  

Simbad objects: 15

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