Astronomy and Astrophysics – Astronomy
Scientific paper
May 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991soph..133..155b&link_type=abstract
(IRIS /International Research on the Interior of the Sun/ Workshop, 2nd, Tashkent, Uzbek SSR, Sept. 1989, Proceedings. A91-37551
Astronomy and Astrophysics
Astronomy
16
Astronomical Photometry, Seismology, Spaceborne Astronomy, Stellar Oscillations, Hertzsprung-Russell Diagram, Spaceborne Telescopes
Scientific paper
High-precision photometry from space is the only technique to detect the nonradial oscillations of a significant set of stars with different masses, ages, angular momentum, and chemical composition, as already observed for the sun. During an observation run of several days, a reasonably small telescope (10 cm) will collect enough photons to detect periodic signals of relative amplitude as low as 10 to the -6th, coherent over this period. The frequency resolution necessary to distinguish the rotational splitting (0.5 microH) will be achieved in increasing the observation run to 20 days.
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