| Issue |
A&A
Volume 375, Number 3, September 2001
|
|
|---|---|---|
| Page(s) | L47 - L50 | |
| Section | Letters | |
| DOI | https://doi.org/10.1051/0004-6361:20010989 | |
| Published online | 15 September 2001 | |
On Jupiter's inertial mode oscillations
1
Nordic Institute for Theoretical Physics, Blegdamsvej 17, 2100 Copenhagen, Denmark
2
Laboratoire d'Astrophysique de Toulouse, Observatoire Midi-Pyrénées, 14 avenue É. Belin, 31400 Toulouse, France
Corresponding author: B. Dintrans, dintrans@nordita.dk
Received:
21
June
2001
Accepted:
8
July
2001
Properties of inertial modes of Jupiter are investigated for an 
polytropic description of the planet interior. We use the anelastic
approximation to overcome the usual handicap of a severe spherical
harmonics truncation. A powerful iterative solver then allows us to
compute the frequencies of the most promising low-order modes using as
many spherical harmonics as necessary. The induced 
errors of
our model are now within observational limits. A plausible
seismological model of Jupiter might thus be at hand provided the use
of a more realistic description of the planet interior.
Key words: planets and satellites: individual: Jupiter
© ESO, 2001
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