Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...216..253p&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 216, no. 1-2, June 1989, p. 253-258. Research supported by CAICYT.
Astronomy and Astrophysics
Astrophysics
15
Helioseismology, P Waves, Radial Velocity, Solar Oscillations, Astronomical Spectroscopy, Stellar Spectrophotometry, Zeeman Effect
Scientific paper
Results are presented for the sun's radial velocity in integrated sunlight. A resonant scattering spectrometer has been used to determine the frequencies and amplitudes of p-modes with spherical harmonics of degree (l) of less than 3, and a second spectrophotometer, which observes part of the sun by means of a spatial filter, has been used to measure the frequencies and amplitudes of p-modes with l of not greater than 5. The frequencies at both ends of the p-mode 5-minute oscillations with l of between 3 and 5, inclusively, are obtained with greater precision than previous determinations.
Isaak George R.
Pallé Pere Lluis
Perez Hernandez Fernando
Roca Cortes Teodora
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