BVRI CCD photometry of the globular cluster M55 (NGC 6809)

• 1 July 1992
• journal article
• Published by American Astronomical Society in The Astronomical Journal
• Vol. 104, 190-202
• https://doi.org/10.1086/116230

Abstract

Keywords

• ASTRONOMICAL PHOTOMETRY
• CHARGE COUPLED DEVICES
• COLOR-MAGNITUDE DIAGRAM
• GLOBULAR CLUSTERS
• METALLICITY
• ASTRONOMICAL PHOTOGRAPHY
• REFLECTING TELESCOPES