On some methods of estimation of solar structure rotation from observations of the Sun in the line HE λ X 1083 nm
Heading:
1Zyelyk, Ya.I, 2Stepanian, NN, 2Andryeyeva, OA 1Space Research Institute of the National Academy of Sciences of Ukraine and the State Space Agency of Ukraine, Kyiv, Ukraine 2Scientific-Research Institute “Crimean Astrophysical Observatory” of the Ministry for Education and Science of Ukraine, Nauchny, AR Crimea, Ukraine |
Kosm. nauka tehnol. 2006, 12 ;(1):085-089 |
https://doi.org/10.15407/knit2006.01.085 |
Publication Language: Russian |
Abstract: We obtained latitudinal distributions of the rotation periods in the interval from 20 to 35 days and the capacity absorbed during these periods in the certain latitudinal zones for three types of the solar structures observable in the line He I of X 1083 nm in the top chromosphere during the time interval greater than 26 years.
|
Keywords: capacity, latitudinal zones, rotation periods |
References:
1. Bendat J. S., Piersol A. G. Random Data: Analysis and Measurement Procedures, 540 p. (Mir, Moscow, 1989) [in Russian].
2. Malanushenko E. V. The coronal holes mapping using the He I 10830 Å line observations. Izv. Krym. Astrofiz. Obs., 89, 22—31 (1995) [in Russian].
3. Stepanian N. N. Coronal holes and background magnetic fields on the Sun. In: . Solnechnyj cikl: Sb. nauch. tr., 44—55 (Ioffe Physical-Technical Institute, St.Petersburg, 1993) [in Russian].
4. Terebizh V. Yu. Time Series Analysis in Astrophysics, 392 p. (Nauka, Moscow, 1992) [in Russian].
5. Malanushenko E. V., Stepanian N. N. Areas of coronal holes at the levels of solar chromosphere and corona. In: Kropotkin A. P., Antonova A. E., Veselovsky I. S. (Eds) Mathematical Models of the Sun-Earth Environment: IV Russ. Symp., 41 (MSU, Moscow, 1996.).
6. Stepanian N. N. Coronal holes and background magnetic fields on the Sun. In: Rushin V., Heinzel P., Vial J.-C. (Eds) Solar coronal structures: IAU Colloq. 144, 61—64 (Slovak Astronomical Institute, Poprad, 1994).
https://doi.org/10.1017/S0252921100025008
https://doi.org/10.1017/S0252921100025008
7. Thomson D. J. Spectrum estimation and harmonic analysis. Proc. IEEE, 70, 1055—1096 (1982).
https://doi.org/10.1109/PROC.1982.12433
https://doi.org/10.1109/PROC.1982.12433
8. Welch P. D. The Use of Fast Fourier Transform for the Estimation of Power Spectra: A Method Based on Time Averaging Over Short, Modified Periodograms. IEEE Trans. Audio Electroacoustics, AU-15, 70— 73 (1967).
https://doi.org/10.1109/TAU.1967.1161901