A δ Scuti Variable in the α Persei Cluster: V459 Per

Details A δ Scuti Variable in the α Persei Cluster: V459 Per A δ Scuti Variable in the α Persei Cluster: V459 Per

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aj....130.1890l&link_type=abstract

The Astronomical Journal, Volume 130, Issue 4, pp. 1890-1895.

Astronomy and Astrophysics

Astronomy

3

Stars: Variables: Δ Scuti, Galaxy: Open Clusters And Associations: Individual: Name: Α Persei, Stars: Individual (V459 Per), Stars: Oscillations

Scientific paper

We report here on the δ Scuti pulsation characteristics of low-amplitude oscillations in the α Persei cluster star V459 Per. The 105 hr of high-quality light curves over 10 nights confirm the low-amplitude oscillation characteristics of V459 Per. Amplitude spectra indicate multiperiodic pulsation behavior, and two pulsation frequencies, f1=22.4822 and f2=28.0172 cycles day-1, have been confidently identified. Two other frequency candidates, f3=11.3212 and f4=19.9229 cycles day-1, were suggested with a confidence level of more than 60%. Pulsation constant values and frequency ratios imply that f1 and f2 pulsations are in nonradial p1 and p2 modes with l=1, f3 is in agreement with a g1 mode of l=2, and f4 corresponds to a radial fundamental.

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