Automated star counts in the southern globular cluster NGC 6809 (M55)

• 1 January 1984
• journal article
• Published by American Astronomical Society in The Astronomical Journal
• Vol. 89, 83-94
• https://doi.org/10.1086/113485

Abstract

Keywords

• ASTRONOMICAL PHOTOGRAPHY
• GLOBULAR CLUSTERS
• IMAGE ANALYSIS
• STAR DISTRIBUTION
• STELLAR LUMINOSITY
• ASTRONOMICAL COORDINATES
• IMAGE PROCESSING
• MASS TO LIGHT RATIOS
• PHOTOGRAPHIC MEASUREMENT
• STELLAR MAGNITUDE
• VARIABLE STARS