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Open clusters: a program to analyse the color–magnitude diagram with the help of stellar kinematic data

Published online by Cambridge University Press:  18 January 2010

Wilton S. Dias  and
Thiago Costa Caetano
Wilton S. Dias
Affiliation:
Universidade Federal de Itajubá (UNIFEI), MG, Brazil
Thiago Costa Caetano
Affiliation:
Universidade Federal de Itajubá (UNIFEI), MG, Brazil
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Abstract

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We constructed a program that allows one to use simultaneously and interactively photometric and astrometric stellar data (proper motion) to analyse color–color and color–magnitude diagrams. With this program, we are able to determine, based on photometric membership, the distance and age as well as the mean proper motion and radial velocity of several open clusters which had very uncertain parameters in previous analyses.

Keywords

methods: data analysisHertzsprung–Russell diagramopen clusters and associations: general
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Symposium S266: Star clusters: basic galactic building blocks throughout time and space , August 2009 , pp. 385
Copyright
Copyright © International Astronomical Union 2010