The oscillation modes of 1 Monocerotis

Details The oscillation modes of 1 Monocerotis The oscillation modes of 1 Monocerotis

Mar 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980mnras.190..931b&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 190, Mar. 1980, p. 931-943.

Other

57

Cepheid Variables, Harmonic Oscillation, Radial Velocity, Spherical Harmonics, Stellar Spectrophotometry, Electrophotometry, Fourier Analysis, Phase Shift, Radii, Stellar Rotation

Scientific paper

Simultaneous photoelectric radial velocities and BVRI photometry are presented for the delta Scuti star 1 Mon. From these and other published data the spherical harmonic orders of the three principal oscillations are estimated. The strongest oscillation is found to be an overtone radial pulsation while the two other oscillations are most probably dipole modes split by stellar rotation. The radius of 1 Mon is estimated to be 2.2 solar units by application of a modified Wesselink technique to the radial mode.

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