A search for variability in white dwarfs in the region of the Hyades

Details A search for variability in white dwarfs in the region of the Hyades A search for variability in white dwarfs in the region of the Hyades

Dec 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....92..214p&link_type=abstract

Astronomy and Astrophysics, vol. 92, no. 1-2, Dec. 1980, p. 214-218. Research supported by the Iowa State University of Science

Astronomy and Astrophysics

Astrophysics

Stellar Mass Accretion, Stellar Spectra, Variable Stars, White Dwarf Stars, Data Reduction, Maximum Entropy Method, Power Spectra, Stellar Spectrophotometry

Scientific paper

Three white dwarfs, G8-7, G7-41, and G7-255, were examined for variability at Erwin W. Fick Observatory and Kitt Peak National Observatory. Data analysis by the maximum entropy method shows all three to be nonvariable in the period range 30 s to 1200 s. Upper limits on variability are placed at 0.006 to 0.02 mag. No evidence was found for variability at longer periods with higher amplitudes.

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