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A development of double star astronomy after Hipparcos

Lampens, P.; Dommanget, J.

Now that the HIPPARCOS satellite safely revolves on his 'degraded' orbit - after the exploit of the ESA technicians to rescue it from the faulty ignition of its apogeum boost motor - and regularly provides the information needed for reaching the initial aim of the project, one may turn to examine the possible applications of the finalHipparcos Cat…

Theoretical Modes Fitting on Miras Light Curves

Barthes, D.; Mennessier, M. O.; Mattei, J. A. +1 more

Visual observations of long period variable stars over 20 years were provided by the American Association of Variable Stars Observers (AAVSO), and were analyzed as part of the preparation of the HIPPARCOS mission. A set of frequencies is extracted from the light curve by using Fourier transform, preliminary Van Cittert deconvolution and comparison…