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astro-ph2001
The Variability of R,N,C Stars from HIPPARCOS and AAVSO Data
M. Grenon, J. A. Mattei, L. Eyer +1
Accurate photometry was obtained for all programme stars during the 3.3-year HIPPARCOS mission. The final observing programme included several hundred Mirae (M), semiregular (SR) l…
astro-ph2000
Problems encountered in the Hipparcos variable stars analysis
Laurent Eyer, Michel Grenon
Among the 17 volumes of results from the Hipparcos space mission, two are dedicated to variable stars. These two volumes arose from the work of two groups, one at the Geneva Observ…