On the accuracy of the reduction of UVBY photometry

Details On the accuracy of the reduction of UVBY photometry On the accuracy of the reduction of UVBY photometry

Mar 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...132..110m&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 132, no. 1, March 1984, p. 110-114.

Astronomy and Astrophysics

Astrophysics

21

Astronomical Photometry, Data Reduction, Ubv Spectra, Accuracy, Computerized Simulation, Reference Stars

Scientific paper

By simulating uvby observations under various conditions, an analysis has been made of the precision reachable by a photometric reduction algorithm proposed in an earlier paper (Manfroid and Heck, 1983). The influence of variations in parameters, such as the number of nights or the number of standard stars, is discussed. It is shown how the grouping of nights in the reduction procedure allows the observer to spend less time on standard stars measurements, while improving the accuracy of the results. The difficulty of giving a realistic value for the precision of the reductions in actual conditions is stressed. The inclusion of secondary standards is also recommended.

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