2 papers
astro-ph2005
vbyCaHbeta CCD Photometry of Clusters. VI. The Metal-Deficient Open Cluster NGC 2420
Barbara J. Anthony-Twarog, Delora Tanner, Misty Cracraft +1
CCD photometry on the intermediate-band vbyCaHbeta system is presented for the metal-deficient open cluster, NGC 2420. Restricting the data to probable single members of the cluste…
astro-ph2002
Photometric Abundances for G-Dwarfs: A Cautionary Tale
Bruce A. Twarog, Barbara J. Anthony-Twarog, Delora Tanner
Analysis of cluster and field star uvby data demonstrates the existence of a previously undetected discrepancy in a widely used photometric metallicity calibration for G dwarfs. Th…