40 citations · 95 across the 4 of their papers we have counts for
1 paper · 1 filter
B. J. Anthony-Twarog, C. P. Deliyannis, B. A. Twarog
NGC 6819 is a richly populated, older open cluster situated within the Kepler field. A CCD survey of the cluster on the uvbyCaHbeta system, coupled with proper-motion membership, h…