A UBVRI photoelectric sequence in 47 TUC

Details A UBVRI photoelectric sequence in 47 TUC A UBVRI photoelectric sequence in 47 TUC

May 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...146..389a&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 146, no. 2, May 1985, p. 389-391.

Astronomy and Astrophysics

Astrophysics

5

Electrophotometry, Globular Clusters, Stellar Magnitude, Stellar Spectrophotometry, Ubv Spectra, Stellar Color, Stellar Spectra

Scientific paper

Accurate UVBRI magnitudes for a set of 24 stars in the V = 8.3-15.1 magnitude range in the globular cluster 47 Tuc are presented. This photoelectric sequence provides direct zero-point calibration for the study of brighter cluster stars and, through the use of the Pickering-Racine wedge, charge-coupled device, or other photometric means, stars of fainter magnitudes. The results are in excellent agreement with the UBV observations by Hesser and Hartwick (1977) and by Lee (1977).

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