Low-degree low-order solar p modes as seen by GOLF on board SOHO

R. A. García, C. Régulo, S. Turck-Chièze, L. Bertello, A. G. Kosovichev, A. S. Brun, S. Couvidat, C. J. Henney, M. Lazrek, R. K. Ulrich, F. Varadi

Research output: Contribution to journalArticlepeer-review

68 Scopus citations

Abstract

Data recovered from the GOLF experiment on board the ESA/NASA SOHO spacecraft have been used to analyze the low-order low-degree solar velocity acoustic-mode spectrum below v = 1.5 mHz (i.e., 1 ≤ n ≤ 9, l ≤ 2). Various techniques (periodogram, RLAvCS, homomorphic-deconvolution and RLSCSA) have been used and compared to avoid possible biases due to a given analysis method. In this work, the acoustic resonance modes sensitive to the solar central region are studied. Comparing results from the different analysis techniques, 10 modes below 1.5 mHz have been identified.

Original languageEnglish (US)
Pages (from-to)361-379
Number of pages19
JournalSolar Physics
Volume200
Issue number1-2
DOIs
StatePublished - 2001
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

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