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<-   Variable stars   ->
figures/01.jpg
Luminosity/Temperature diagram of different types of known variable stars.
Crédit : Paris Observatory / LESIA

In the luminosity/temperature diagram, the hatched areas represent the site of the variable stars. Several groups of stars are already known to exhibit brightness variations.

However, the usual detection techniques only allow us to have an approximate idea of the variations.

With CoRoT, the variability properties will be better measured. We will then have extremely accurate information for the understanding of their causes. Furthermore, with these new measurements, new types of variable stars will probably be discovered.