WIYN Open Cluster Study: Reddening, Metallicity, Distance, and Age of Metal-poor Open Cluster NGC 2420, from UBVRI CCD Photometry

Details WIYN Open Cluster Study: Reddening, Metallicity, Distance, and Age of Metal-poor Open Cluster NGC 2420, from UBVRI CCD Photometry WIYN Open Cluster Study: Reddening, Metallicity, Distance, and Age of Metal-poor Open Cluster NGC 2420, from UBVRI CCD Photometry

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21545515g&link_type=abstract

American Astronomical Society, AAS Meeting #215, #455.15; Bulletin of the American Astronomical Society, Vol. 42, p.475

Astronomy and Astrophysics

Astronomy

Scientific paper

We present UBVRI CCD observations of the old, metal-poor open cluster NGC 2420, taken under photometric conditions during 2009 January using the WIYN 0.9m telescope at Kitt Peak National Observatory. Using IRAF and DAOPHOT, the magnitudes in each of 45 images were measured using point-spread-functions, to which empirically determined aperture corrections were added. Both were allowed to vary spatially. Using multiple color-color and color-magnitude diagrams, we present new derivations of the cluster reddening, metallicity, distance, and age.

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