Specific problems related to variability

Details Specific problems related to variability Specific problems related to variability

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985esasp.234..127m&link_type=abstract

In ESA The European Astrometry Satellite HIPPARCOS: Scientific Aspects of the Input Catalog Preparation p 127-129 (SEE N86-1838

Astronomy and Astrophysics

Astronomy

2

Light Curve, Stellar Luminosity, Variable Stars, Hipparcos Satellite, Periodic Variations, Spaceborne Astronomy

Scientific paper

The discordance between the predicted and observed maxima and minima of stellar luminosity is discussed. A sample of light curves observed for 30yr shows how they deviate from the mean curves. About 1200 HIPPARCOS stars present a large amplitude of variability and their luminosity can be lower than the threshold of the satellite detection during a part of their period. These problems limit the capacities of observation according to the types of variability.

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