2002AJ....123.2552F

Query : 2002AJ....123.2552F

2002AJ....123.2552F - Astron. J., 123, 2552-2558 (2002/May-0)

A search for candidate old open clusters: preliminary photometry of the Saurer et al. clusters.

FRINCHABOY P.M. and PHELPS R.L.

Abstract (from CDS):

We have performed V and I CCD observations of the previously unstudied open cluster candidates proposed by Saurer et al. in 1994. Five of these clusters are found to be true clusters, with ages older than 1 Gyr, based on the ``morphological age index'' of Janes & Phelps, while effects of differential extinction make the identification of another as a true cluster inconclusive. The derived ages of the clusters range between a low of about 1 Gyr to a high of 7-8 Gyr for cluster A. Based on the derived parameters, cluster A is one of the oldest and the most distant of any Galactic open clusters studied to date.

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Journal keyword(s): Galaxy: Fundamental Parameters - Galaxy: Structure - Galaxy: Open Clusters and Associations: General

CDS comments: Open clusters Saurer A to Saurer F = [SSW94] a to f.

Simbad objects: 7

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Number of rows : 7
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 Melotte 25 OpC 04 30 27.4 +16 46 43           ~ 3309 0
2 NAME Saurer A Cluster OpC 07 20.9 +01 48           ~ 70 0
3 Cl Saurer 2 OpC 08 25 27.8 -39 38 22           ~ 24 0
4 [SSW94] c OpC 10 41.5 -55 18           ~ 14 0
5 [SSW94] d OpC 12 14.1 -63 36           ~ 8 0
6 Cl Saurer 5 OpC 19 39.6 +25 39           ~ 8 0
7 [SSW94] f OpC 19 51.0 +32 15           ~ 12 0

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