B to G stars calibration in Geneva photometry (Kunzli+, 1997)

Details B to G stars calibration in Geneva photometry (Kunzli+, 1997) B to G stars calibration in Geneva photometry (Kunzli+, 1997)

Aug 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996ycat..41220051k&link_type=abstract

VizieR On-line Data Catalog: J/A+AS/122/51. Originally published in: 1997A&AS..122...51K

Physics

Photometry: Geneva, Models: Atmosphere

Scientific paper

We have used recent Kurucz models and many standard stars to revise previous calibrations of the Geneva photometric parameters in terms of Teff, logg, and [M/H]. In addition, new parameters pT and pG were defined, which are the Geneva equivalents of Stromgren's a and r parameters and allow to estimate Teff and logg for stars with intermediate temperature (spectral type A0-A3). A fortran code (calib.f) has been written, which applies our calibration to stars measured in the Geneva system. A conspicuous change in slope appears in the grid d vs B2-V1. It seems to be linked with the onset of convection in the superficial layers of the star's envelope. (1 data file).

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