Observation of nonacoustic, 5 minute period, vertical traveling waves in the photosphere of the sun

Details Observation of nonacoustic, 5 minute period, vertical traveling waves in the photosphere of the sun Observation of nonacoustic, 5 minute period, vertical traveling waves in the photosphere of the sun

May 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...256l..17h&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 256, May 1, 1982, p. L17-L21. Research supported by the U.S. Departm

Astronomy and Astrophysics

Astrophysics

5

Atmospheric Heating, Chromosphere, Gravity Waves, Photosphere, Traveling Waves, Wave Propagation, Data Reduction, Hilbert Transformation, Propagation Velocity

Scientific paper

Nonacoustic, radially propagating traveling waves have been observed in the solar photosphere. These traveling waves have a period of 278 + or - 41 s. The vertical wavelength (approximately 500 km) and phase velocity (approximately 2 km/s) of the waves are among their properties deduced from the data. It is also observed that the waves have outgoing phase part of the time and ingoing phase the remainder of the time. The traveling waves are interpreted to be gravity waves. Their role in the heating of the chromosphere is discussed.

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