Frequency analyses of light and radial velocity observations of Alpha LUPI

Details Frequency analyses of light and radial velocity observations of Alpha LUPI Frequency analyses of light and radial velocity observations of Alpha LUPI

Nov 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...115..413l&link_type=abstract

Astronomy and Astrophysics, vol. 115, no. 2, Nov. 1982, p. 413-419. Fonds de la Recherche Fundamentale Collective

Astronomy and Astrophysics

Astrophysics

6

Electrophotometry, Light Curve, Radial Velocity, Stellar Oscillations, Variable Stars, B Stars, Frequency Analyzers, Ultraviolet Photometry, Visual Photometry

Scientific paper

Photoelectric photometric observations by Van Hoof are used to study the light variability of α Lupi. Frequency analyses of Van Hoof's observations in Y and UV light reveal the existence of only one oscillation with an amplitude larger than the noise level of the observations. The frequency of this oscillation is determined to be f = 3.848424 ± O.OOOO4Oc/d and shows no variation that can be detected with Van Hoof's observations. We show that both the light variability and the radial velocity variations can be represented by an oscillation with a constant frequency.

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