1994•International Astronomical Union ColloquiumRequires access

Wave Properties in the Upper Chromosphere and at the Base of the Corona

K. Bocchialini, J. C. Vial, S. Koutchmy

Abstract

Abstract From a 83 min long sequence of observations of Ca II K and He I (1083 nm) line profiles, some dynamical properties of the main components of the quiet upper chromosphere are derived: for both the magnetic network and the internetwork, amplitude and phase spectra of the Doppler velocities are presented.

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Available abstract

Key concepts: Chromosphere, QUIET, Corona (planetary geology), Amplitude, Physics, Spectral line, Astrophysics, Line (geometry)