Measurements of the line of sight velocity of the sun with respect to earth have been obtained at Izaña (Tenerife) during the years 1976 to 1985. The mean values found for each year show a trend of ≡30 m/s from minimum to maximum. Their mean value is of 583.1±0.2 m/s which is 92% of the gravitational redshift predicted by theory and their variation

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In this paper the authors provide preliminary results of multifrequency observations of BF Cyg carried out in July 1986.

During the summer seasons of the years 1977 to 1985 daily velocity measurements of solar global oscillations have been obtained using a resonant scattering spectrometer. After calculating the power spectra of the daily residuals, the mean for each season is found. Several discrete frequency intervals are defined in the spectrum. The mean power in

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