ZYJHK photometry in Pleiades (Lodieu+, 2007)

Details ZYJHK photometry in Pleiades (Lodieu+, 2007) ZYJHK photometry in Pleiades (Lodieu+, 2007)

Nov 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007ycat..83800712l&link_type=abstract

VizieR On-line Data Catalog: J/MNRAS/380/712. Originally published in: 2007MNRAS.380..712L

Mathematics

Probability

Clusters: Open, Photometry: Infrared, Proper Motions

Scientific paper

We present the results of a deep wide-field near-infrared survey of 12deg2 of the Pleiades conducted as part of the United Kingdom Infrared Telescope (UKIRT) Infrared Deep Sky Survey (UKIDSS) Galactic Cluster Survey (GCS). We have extracted over 340 high-probability proper motion (PM) members down to 0.03M{sun} using a combination of UKIDSS photometry and PM measurements obtained by cross-correlating the GCS with data from the Two Micron All Sky Survey, the Isaac Newton Telescope and the Canada-France-Hawaii Telescope. Additionally, we have unearthed 73 new candidate brown dwarf (BD) members on the basis of five-band UKIDSS photometry alone. We have identified 23 substellar multiple system candidates out of 63 candidate BDs from the (Y-K, Y) and (J-K, J) colour-magnitude diagrams, yielding a binary frequency of 2844 per cent in the 0.075-0.030M{sun} mass range.
(7 data files).

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