A CCD color-magnitude study of 47 Tucanae

Details A CCD color-magnitude study of 47 Tucanae A CCD color-magnitude study of 47 Tucanae

Aug 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987pasp...99..739h&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 99, Aug. 1987, p. 739-808.

Other

384

Astronomical Catalogs, Charge Coupled Devices, Color-Magnitude Diagram, Globular Clusters, Stellar Color, Stellar Magnitude, Data Reduction, Stellar Luminosity, Ubv Spectra

Scientific paper

CCD photometry in B and V is reported for 8800 stars in the field of 47 Tuc. The data, reduced through the DAOPHOT code, comprise results from two long-exposure frame pairs in which the photometry extends from the cluster turnoff down to V ≡ 24, and two other short-exposure fields nearer to the cluster center which precisely define the giant and horizontal branches. Color-magnitude diagrams are presented, statistically corrected for background contamination from the Small Magellanic Cloud halo, and a composite CMD and luminosity function are constructed for the entire cluster, covering an 11-magnitude range in luminosity.

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