Article

State variables for solar active regions

S. A. Krasotkina Scobeltsin Institute of Nuclear PhysicsO. V. Chumakb Sternberg Astronomical Institute , Moscow State University , Moscow , 119899 , RussiaÉ. V. Kononovichb Sternberg Astronomical Institute , Moscow State University , Moscow , 119899 , Russia

Astronomical and Astrophysical Transactionsjournal2003en

ABI

Abstract

In this paper, several integral parameters of solar active regions are defined. The values of these parameters can be calculated from observational data. It is shown that only five of them are independent. These five parameters are sufficient for uniquely defining the active region current physical state. Such five parameters are proposed to be regarded as the state variables for solar active regions.

Topics

Solar and Space Plasma Dynamics Stellar, planetary, and galactic studies Astronomy and Astrophysical Research

Identifiers

DOI: 10.1080/1055679021000017501

Citations and references

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