Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apjs...72..693a&link_type=abstract
Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 72, March 1990, p. 693-706.
Astronomy and Astrophysics
Astrophysics
8
Astronomical Photometry, Charge Coupled Devices, Color-Magnitude Diagram, Globular Clusters, Visual Photometry, Stellar Color, Stellar Evolution, Stellar Magnitude
Scientific paper
As a part of a continuing program, CCD color-magnitude diagrams are
presented for the bright globular cluster NGC 2808 in the four colors
comprising BVRI. From a comparison of four different CMDs with
theoretical isochrones, an age of 16 + or - 2 Gyr is obtained, assuming
a value for Fe/H near -1.3.
Alcaino Gonzalo
Alvarado Franklin
Liller William
Wenderoth Erich
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