Indications of r-mode Oscillations in SOHO/MDI Solar Radius Measurements

Abstract

Analysis of solar radius measurements acquired by the Michelson Doppler Imager on the SOHO spacecraft supports previously reported evidence of solar internal r-mode oscillations in Mt Wilson radius data and in nuclear-decay data acquired at the Lomonosov Moscow State University. The frequencies of these oscillations are compatible with oscillations in a putative inner tachocline that separates a slowly rotating core from the radiative envelope.

10 pages,5 figures, 2 tables, accepted for publication in Astrophysical Journal

References in corpus (1)

• An Analysis of Apparent r-Mode Oscillations in Solar Activity, the Solar Diameter, the Solar Neutrino Flux, and Nuclear Decay Rates, with Implications Concerning the Solar Internal Structure and Rotation, and Neutrino Processes

Cited by in corpus (4)

• Theory and evidence of global Rossby waves in upper main-sequence stars: r-mode oscillations in many Kepler stars
• Magneto-Rossby waves in the solar tachocline and the annual variations in solar activity
• Detection of Rossby modes with even azimuthal orders using helioseismic normal-mode coupling
• Scaler rates from the Pierre Auger Observatory: a new proxy of solar activity