Angular diameters by the lunar occultation techniques. VI - Limb darkening of alpha Tauri

Details Angular diameters by the lunar occultation techniques. VI - Limb darkening of alpha Tauri Angular diameters by the lunar occultation techniques. VI - Limb darkening of alpha Tauri

Jul 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982aj.....87.1044r&link_type=abstract

Astronomical Journal, vol. 87, July 1982, p. 1044-1050.

Astronomy and Astrophysics

Astronomy

36

Astrometry, Limb Darkening, Lunar Occultation, Stellar Occultation, Angular Distribution, Astronomical Photometry, Diameters, Electrophotometry, Error Analysis, H Alpha Line, Infrared Astronomy, Wavelengths

Scientific paper

Fourteen angular diameter measurements of alpha Tauri at six wavelengths in the range 0.4-3.8 microns are reported. Lunar occulation data are presented and the relative intensity is plotted against milliseconds of arc. It is concluded that the data support an angular diameter variation with wavelength at least as strong as predicted by computations; corrected for limb-darkening, the value is 20.88 + or - 0.10. The wavelength dependence of the diameter confirms theoretical predictions for the wavelength dependence of limb darkening.

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