J-K DENIS photometry of bright southern stars (Kimeswenger+ 2004)

Details J-K DENIS photometry of bright southern stars (Kimeswenger+ 2004) J-K DENIS photometry of bright southern stars (Kimeswenger+ 2004)

Oct 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003ycat..34131037k&link_type=abstract

VizieR On-line Data Catalog: J/A+A/413/1037. Originally published in: 2004A&A...413.1037K

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Stars: Bright, Infrared Sources, Photometry: Infrared

Scientific paper

We present a photometric survey of bright southern stars carried out using the DENIS instrument equipped with attenuating filters. The observations were carried out not using the survey mode of DENIS, but with individual target pointings. This project was stimulated by the need to obtain near-infrared photometry of stars to be used in early commissioning observations of the ESO Very Large Telescope Interferometer, and in particular to establish a network of bright calibrator sources. We stress that near-infrared photometry is peculiarly lacking for many bright stars. These stars are saturated in 2MASS as well as in regular DENIS observations. The only other observations available for bright infrared stars are those of the Two Micron Sky Survey () dating from over thirty years ago. These were restricted to declinations above -30° and thus cover only about half of the sky accessible from the VLTI site. We note that the final 2MASS data release includes photometry of bright stars, obtained by means of point-spread function fitting. However, this method only achieves about 30 percent accuracy, which is not sufficient for most applications. In this work, we present photometry for over 600 stars, each with at least one and up to eight measurements, in the J and K filters. Typical accuracy is at the level of 0.05mag and 0.04mag in the J and Ks bands, respectively.
(2 data files).

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