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Sodium cell spectrophotometer for detection of stellar oscillations

  • F.X. Schmider (a1), E. Fossat (a1), G. Grec (a1) and B. Gelly (a1)

Abstract

This paper describes the new version of our instrument used for detection of stellar oscillations. It is planned to use it next year for observations of Procyon and α Can in order to confirm the results already obtained. Because the prototype used in these first attempts did not succeed to be photon noise limited, it has been significantly redesigned in order to improve the situation regarding every source of noise.

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References

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Agnelli, G., Cacciani, A., Fofi, M.: 1975 Solar Physics 44, 509
Cacciani, A., Cimino, M., Fofi, M.: 1970 Solar Physics 11, 319
Fossat, E., Decanini, Y., Grec, G.: 1982 in Humphries, C.M. (ed) Instrumentation for Astronomy with Large Optical Telescopes. 169
Gelly, B., Grec, G., Fossat, E.: 1986 Astron. Astrophys. 164, 303

Sodium cell spectrophotometer for detection of stellar oscillations

  • F.X. Schmider (a1), E. Fossat (a1), G. Grec (a1) and B. Gelly (a1)

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