Complicated pulsation in the delta Scuti variable 59 Aurigae

Details Complicated pulsation in the delta Scuti variable 59 Aurigae Complicated pulsation in the delta Scuti variable 59 Aurigae

Oct 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000a%26a...362..595l&link_type=abstract

Astronomy and Astrophysics, v.362, p.595-598 (2000)

Astronomy and Astrophysics

Astrophysics

1

Stars: Variables: Delta Sct, Stars: Oscillations, Stars: Fundamental Parameters, Stars: Individual: 59 Aur

Scientific paper

Eight-night photoelectric photometric observations through v and y bands confirm the complicated pulsation of delta Scuti variable 59 Aurigae. Power spectra of light curves show multi-period pulsation behavior, and eight pulsation frequencies f1=6.8283, f2=6.3179, f3=5.0074, f4=5.9535, f5=4.3285, f6=5.6854, f7=9.0206 and f8=8.6260 cycles per day are identified. After subtraction of the best eight frequency solution, there are still more peaks that can be distinguished in the residual power spectrum. The eight frequency solution covers the frequency solution of Gupta (1980) and fits his data. The close frequency distribution supports a non-radial pulsation identification. Pulsation constant values of eight modes are distributed in a wide range from g1 to p3 mode.

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