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Aplication of A New Observational Strategy to the Study of Gravitational Solar Modes

Published online by Cambridge University Press:  08 February 2017

I. Martin Mateos
Affiliation:
Instituto de Astrofisica de Canarias ([email protected])
P.L. Pallé
Affiliation:
Instituto de Astrofisica de Canarias

Abstract

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The aim of the present work is the detection of solar g-modes, making use of their spatial and temporal properties, by means of a new observational strategy. The basic data, gathered at the Observatorio del Teide in 1993, consists on daily solar velocity measurements taken continuous and sequentially at six different and symmetric positions on the solar disk. By correlating the time series obtained from different positions, and considering the geometrical properties of different modes (l, m) on the Sun‘s surface, some of them can selectively be eliminated or enhanced. In particular, the main spectral features present in the resulting power spectra must have precise phase relations if they correspond to global solar g-modes.

Type
I. Global Structure and Evolution of the Solar and Stellar Interior
Copyright
Copyright © Kluwer 1998