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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents



ID: 709981.0, MPI für Astronomie / Publikationen_mpia
Astrometric and photometric mass functions of the old open cluster Praesepe from the UKIDSS GCS
Authors:Boudreault, S.; Lodieu, N.; Hambly, N. C.; Deacon, N. R.; Goodwin, S.; Ward-Thompson, D.
Place of Publication:Cham
Publisher:Springer
Date of Publication (YYYY-MM-DD):2014
Audience:Not Specified
Abstract / Description:Here we present the results of a wide-field (˜36 sq. deg.) near-infrared (ZYJHK) survey of the Praesepe cluster using the Data Release 9 (DR9) of the UKIRT Infrared Deep Sky Survey (UKIDSS) Galactic Clusters Survey (GCS). We selected cluster candidates of Praesepe based on astrometry and photometry. With our candidate list, we have obtained the luminosity function of Praesepe in the Z and J bands, and we have derived the mass function (MF) of Praesepe from 0.6 down to 0.072 M&sun;. Moreover, we have estimated the binarity of the Praesepe members in the 0.5-0.1 M&sun; mass range and as well as their variability.
Free Keywords:Physics
External Publication Status:published
Document Type:Other
Communicated by:N. N.
Affiliations:MPI für Astronomie
Identifiers:ISBN:978-3-319-03040-1
URL:http://cdsads.u-strasbg.fr/abs/2014ASSP...36..355B
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