Photospheric Vector Magnetic Field Parameters as A Predictor of Major Solar Flares

被引：1

作者：

Nurzaman, M. Z. ^{[1
]}

Dani, T. ^{[1
]}

机构：

[1] Natl Inst Aeronaut & Space LAPAN, Ctr Space Sci, Bandung 40173, West Java, Indonesia

来源：

10TH SOUTHEAST ASIA ASTRONOMY NETWORK | 2019年 / 1231卷

关键词：

Photospheric Vector Magnetic Field and Major Solar Flares; ACTIVE REGIONS;

D O I：

10.1088/1742-6596/1231/1/012020

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Photospheric vector magnetic field data which have several Space-weather HMI Active Region Patches (SHARP) parameters are used to study active regions that produced major solar flares. SHARP parameter data obtained from the Helioseismic Magnetic Imager (HMI) instruments onboard Solar Dynamics Observatory (SDO) have a good spatial and temporal sampling. We consider three SHARP parameters with high F-scores, namely total unsigned vertical current, total photospheric magnetic free energy, and total unsigned current helicity as a useful predictor for major solar flares. In this paper, we present the data analysis procedure and sample results focusing only on major solar flares (M and X class flares). The preliminary results showed in some cases, one of SHARP parameters for the M-class flare almost has the same value as X-class flare in which ideally should be higher.

引用

页数：6

共 15 条

[11]

SAKURAI T, 1989, SPACE SCI REV, V51, P11

[12]

Schou J., 2012, SOLAR DYNAMICS OBSER

[13] Nonlinear force-free field modeling of a solar active region around the time of a major flare and coronal mass ejection [J].

Schrijver, C. J. ;

DeRosa, M. L. ;

Metcalf, T. ;

Barnes, G. ;

Lites, B. ;

Tarbell, T. ;

McTiernan, J. ;

Valori, G. ;

Wiegelmann, T. ;

Wheatland, M. S. ;

Amari, T. ;

Aulanier, G. ;

Demoulin, P. ;

Fuhrmann, M. ;

Kusano, K. ;

Regnier, S. ;

Thalmann, J. K. .

ASTROPHYSICAL JOURNAL, 2008, 675 (02) :1637-1644

[14] EVOLUTION OF MAGNETIC FIELD AND ENERGY IN A MAJOR ERUPTIVE ACTIVE REGION BASED ON SDO/HMI OBSERVATION [J].

Sun, Xudong ;

Hoeksema, J. Todd ;

Liu, Yang ;

Wiegelmann, Thomas ;

Hayashi, Keiji ;

Chen, Qingrong ;

Thalmann, Julia .

ASTROPHYSICAL JOURNAL, 2012, 748 (02)

[15] Magnetohydrodynamic simulation of a solar flare with chromospheric evaporation effect based on the magnetic reconnection model [J].

Yokoyama, T ;

Shibata, K .

ASTROPHYSICAL JOURNAL, 2001, 549 (02) :1160-1174

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