Data mining in the young open cluster IC2391

Details Data mining in the young open cluster IC2391 Data mining in the young open cluster IC2391

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004mnras.355..959d&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 355, Issue 3, pp. 959-972.

Astronomy and Astrophysics

Astronomy

11

Techniques: Photometric, Catalogues, Astrometry, Open Clusters And Associations: General

Scientific paper

Large-scale astrometric and photometric data bases have been used to search for and confirm stellar membership of the open cluster IC2391. 125 stars were found that satisfied criteria for membership based on proper motion components and BRI photometry from the United States Naval Observatory B (USNO-B) catalogue and JHK photometry from the Two Micron All Sky Survey (2MASS) catalogue. This listing was compared with others recently published. A distance to the cluster of 147.7 +/- 5.5 pc was found with mean proper motion components, from the Tycho2 catalogue of (-25.04 +/- 1.53 masyr-1+23.19+/-1.23 masyr-1). A revised Trumpler classification of II3r is suggested. Luminosity and mass functions for the candidate stars were constructed and compared with those of field stars and other clusters.

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