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Article overview
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Probing the nature of Possible Open Cluster Remnants with the Southern Proper Motion Program | Giovanni Carraro
; Dana Dinescu
; Terrence Girard
; William van Altena
; | Date: |
1 Dec 2004 | Subject: | astro-ph | Affiliation: | UChile/Yale), Dana Dinescu (Yale), Terrence Girard (Yale), William van Altena (Yale | Abstract: | We discuss the nature of eleven Possible Open Cluster Remnants (POCRs) by using absolute proper motions from the Southern Proper Motion (SPM) Program 3 (Girard et al. 2004) combined with near infrared photometry from 2MASS. The analysis is done by considering the distribution of stars in the Color-Magnitude and the Vector Point diagrams. We successfully probed the capabilities of the SPM catalog to detect a physical group by looking at the open cluster Blanco~1. However, within the uncertainties of the SPM3 catalog and basing on 2MASS photometry we conclude that only one -ESO282SC26- out of eleven objects turns out to be a probable physical group. We suggest it is an open cluster 1.3 Gyr old and located 1.4 kpc from the Sun. | Source: | arXiv, astro-ph/0412019 | Services: | Forum | Review | PDF | Favorites |
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