Astrometric and Photometric Mass Functions of the Old Open Cluster Praesepe from the UKIDSS GCS

Bibcode
2014ASSP...36..355B
DOI
10.1007/978-3-319-03041-8_69
Boudreault, S.; Lodieu, N.; Hambly, N. C.; Deacon, N. R.
Referencia bibliográfica

The Labyrinth of Star Formation, Astrophysics and Space Science Proceedings, Volume 36. ISBN 978-3-319-03040-1. Springer International Publishing Switzerland, 2014, p. 355

Fecha de publicación:
2014
Número de autores
4
Número de autores del IAC
2
Número de citas
0
Número de citas referidas
0
Descripción
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⊙. Moreover, we have estimated the binarity of the Praesepe members in the 0.5-0.1 M⊙ mass range and as well as their variability.
Tipo
Sin árbitro

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