SIMBAD references

2009MNRAS.395.1768F - Mon. Not. R. Astron. Soc., 395, 1768-1774 (2009/May-3)

UKIRT follow-up observations of the old open cluster FSR0358 (Kirkpatrick1).


Abstract (from CDS):

We aim to characterize the properties of the stellar clusters in the Milky Way. Utilising an expectation-maximization method, we determined that the cluster FSR0358, originally discovered by J.D. Kirkpatrick, is the most likely real cluster amongst the cluster candidates from Froebrich et al. Here, we present new deep high resolution near-infrared imaging of this object obtained with the United Kingdom Infrared Telescope (UKIRT). The analysis of the data reveals that FSR0358 (Kirkpatrick1) is a 5±2Gyr old open cluster in the outer Milky Way. Its age, metallicity of Z = 0.008 and distance from the Galactic Centre of 11.2kpc are typical for the known old open galactic clusters. So far six of the FSR cluster candidates have been identified as having an age above 5Gyr. This shows the significance of this catalogue in enhancing our knowledge of the oldest open clusters in the Galaxy.

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

Journal keyword(s): globular clusters: general - open clusters and associations: individual: Kirkpatrick1

Simbad objects: 8

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