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Titolo:
Physical parameters of a flare derived from multi-line 2D spectroscopy
Autore:
Liu, Y; Ding, MD;
Indirizzi:
Nanjing Univ, Dept Astron, Nanjing 210093, Peoples R China Nanjing Univ Nanjing Peoples R China 210093 jing 210093, Peoples R China
Titolo Testata:
CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
fascicolo: 5, volume: 1, anno: 2001,
pagine: 460 - 468
SICI:
1009-9271(200110)1:5<460:PPOAFD>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
SOLAR-FLARES; CHROMOSPHERIC CONDENSATION; IMPULSIVE PHASE; VELOCITY-FIELD; ASYMMETRIES; SPECTRA; GASDYNAMICS; MODELS; LOOPS;
Keywords:
Sun : flares; Sun : chromosphere;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
26
Recensione:
Indirizzi per estratti:
Indirizzo: Liu, Y Nanjing Univ, Dept Astron, Nanjing 210093, Peoples R China Nanjing Univ Nanjing Peoples R China 210093 0093, Peoples R China
Citazione:
Y. Liu e M.D. Ding, "Physical parameters of a flare derived from multi-line 2D spectroscopy", CHIN J ASTR, 1(5), 2001, pp. 460-468

Abstract

Time series of 2D spectra of Ha and Call lambda 8542 for a flare of 1999 December 22 are obtained and analyzed with a new fitting technique. The method we proposed can simultaneously yield the four parameters: the line source function, the optical thickness at line center, the line-of-sight velocity and the Doppler width. We present the spatial distributions of the physical parameters and their temporal evolutions determined from the 2D spectra. Our results are consistent with the general picture predicted by the flaredynamic models.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 24/01/20 alle ore 12:35:07