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Properties of solar gravity mode signals in total irradiance observations

Conference ·
OSTI ID:6696426
Further evidence has been found that a significant fraction of the gravity mode power density in the total irradiance observations appears in sidebands of classified eigenfrequencies. These sidebands whose amplitudes vary from year to year are interpreted as harmonics of the rotational frequencies of the nonuniform solar surface. These findings are for non axisymmetric modes and corroborate the findings of Kroll, Hill and Chen for axisymmetric modes. It is demonstrated the the generation of the sidebands lifts the usual restriction on the parity of the eigenfunctions for modes detectable in total irradiance observations. 14 refs.
Research Organization:
Arizona Univ., Tucson (USA). Dept. of Physics
DOE Contract Number:
FG02-87ER13670
OSTI ID:
6696426
Report Number(s):
CONF-8809146-4; ON: DE89003565
Country of Publication:
United States
Language:
English