A search for stellar oscillations

Details A search for stellar oscillations A search for stellar oscillations

Jul 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...223..583t&link_type=abstract

Astrophysical Journal, Part 1, vol. 223, July 15, 1978, p. 583-588.

Astronomy and Astrophysics

Astrophysics

25

Stellar Atmospheres, Stellar Spectrophotometry, Variable Stars, Radial Velocity, Solar Atmosphere, Solar Rotation, Stellar Rotation

Scientific paper

A PEPSIOS spectrometer has been used to search for stellar photospheric oscillations with periods in the range from about 10 to 5000 s, and with velocity sensitivities down to about 1 m/s (rms) at the 1-sigma level. In the nine stars observed, no evidence is found for ocillations at the 3-sigma level. However, by using the same technique on the sun, the well-known 300-s oscillation was detected with an rms amplitude of 1.6 + or - 0.5 m/s for the integrated disk.

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