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- Title
Manifestation of the 399-Day Variations in Solar Wind Parameters.
- Authors
Skryabin, N. G.; Timofeev, V. E.; Miroshnichenko, L. I.; Samsonov, S. N.
- Abstract
Based on a large series (N = 14038) of daily solar wind densities, we obtained the fluctuation power spectrum. The spectrum shows that the 399-day variation (the synodic period of Jupiter) has the largest amplitude in the interval of periods from 20 to 800 days. It is second in magnitude only to the secular, 22-, and 11-year variations. The amplitudes of the 399-day variations in solar wind density, temperature, and speed were determined by a superposed-epoch analysis: ≈0.5 cm–3, ≈8000 K, and 2.8 km s–1, respectively, at a more than 95% confidence level. This leads us to conclude that Jupiter may affect the solar wind parameters, since only Jupiter has a 399-day periodicity in our planetary system.© 2005 Pleiades Publishing, Inc.
- Subjects
SOLAR wind; PROPERTIES of matter; JUPITER (Roman deity); ELECTRONS; ELECTRONIC modulation; THERMAL properties; ATMOSPHERIC density; CYCLES; MOTION; PLEIADES Publishing Inc.
- Publication
Astronomy Letters, 2005, Vol 31, Issue 12, p832
- ISSN
1063-7737
- Publication type
Article
- DOI
10.1134/1.2138770