Mathematics
Scientific paper
Sep 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994pasp..106..967j&link_type=abstract
Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 106, no. 703, p. 967-973
Mathematics
49
Brightness, Calibrating, Stellar Color, Stellar Luminosity, Stellar Magnitude, Stellar Spectra, Ubv Spectra, Astronomical Photometry, Charge Coupled Devices, Data Reduction, Transformations (Mathematics)
Scientific paper
CCD photometry is presented for 119 stars observed in the Thuan-Gunn photometric system (the passbands vgr). The sample includes 82 stars for which magnitudes in this system have not previously been published. Photometry in the Johnson-Kron-Cousins photometric system (BV or UBV) has been obtained for a subsample of 85 of the stars. Of those stars which are not primary standard stars for the Thuan-Gunn system 70 observed in Gunn r, 48 observed in Gunn g, and 37 observed in Gunn v have sufficient repeat measurements that they may be used as secondary standard stars for CCD photometry. The typical uncertainties for the magnitudes of these stars are 0.006 mag.
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