Observations of oscillatory phase-shifts with diode arrays

Details Observations of oscillatory phase-shifts with diode arrays Observations of oscillatory phase-shifts with diode arrays

Mar 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...175..263s&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 175, no. 1-2, March 1987, p. 263-270. DFG-supported research.

Astronomy and Astrophysics

Astrophysics

35

Gravity Waves, Phase Shift, Photodiodes, Solar Atmosphere, Solar Granulation, Solar Oscillations, Chromosphere, Linear Arrays, Wave Propagation

Scientific paper

Several problems related to the oscillations of the Sun's atmosphere are not yet understood completely, such as the vertical energy transfer, the formation of gravity waves by granulation and their propagation, chromospheric oscillations, the radiative dissipation of oscillations etc. In a series of papers the author wants to investigate some of these problems from the experimental point of view. He used three linear diode arrays to observe the phase-propagation characteristics within the solar atmosphere at different height levels. In this first paper he mainly describes the measuring-device, the observations and the way of data-reduction. Some new experimental results presented are related to the vertical oscillatory energy transfer and the existence of running acoustic waves.

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