Ks photometry of LMC RR Lyrae (Borissova+, 2009)

Details Ks photometry of LMC RR Lyrae (Borissova+, 2009) Ks photometry of LMC RR Lyrae (Borissova+, 2009)

Jun 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009ycat..35020505b&link_type=abstract

VizieR On-line Data Catalog: J/A+A/502/505. Originally published in: 2009A&A...502..505B

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Magellanic Clouds, Stars: Variable, Photometry: Infrared

Scientific paper

This paper presents new (single-epoch) J-band and (multi-epoch) Ks-band photometry of RR Lyr stars in 7 different LMC fields, observed with the near-IR camera SOFI at ESO's New Technology Telescope. Additional Ks-band data for another two LMC fields were taken with the ISPI infrared array at CTIO's Blanco 4m telescope. The near-IR photometry was cross-correlated with the MACHO and OGLE databases, resulting in a catalog of 62 RR Lyr stars with BV RIJKs photometry. A subsample of 50 stars also has spectroscopically mea sured metallicities. In the deep JK color-magnitude diagrams of 7 fields, red giant branch, red clump and RR Lyr stars are detected.
(2 data files).

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