Solar diameter, eclipses and transits: the importance of ground-based observations
arXiv:1211.4394
Abstract
The lifetime of a satellite is limited, and its calibration may be not stable, it is necessary to continue ground-based measures of the solar diameter with methods less affected by atmospheric turbulence, and optical aberrations: planetary transits and total eclipses. The state of art, advantages and limits of these methods are considered.
4 pages, 1 double figure. Proceedings of EWASS 2012 Conference, Rome 1-6.7.2012, Pontificia Universitas Lateranensis. Symposium 8. "The Sun: new tools and ideas in observational solar astrophysics", Francesco Berrilli, Francesca Zuccarello and Ilaria Ermolli editors. To appear in Memorie della Societa' Italiana di Astronomia Supplements, electronic edition, April 2013