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Titolo:
MAGNETOGRAPH OBSERVATIONS OF SOLAR FACULAE
Autore:
KAWAKAMI S; MAKITA M;
Indirizzi:
OSAKA MUSEUM SCI,ASTRON SECT,4-2-1 NAKANOSHIMA,KITA KU OSAKA 530 JAPAN KYOTO UNIV,KWASAN OBSERV,YAMASHINA KU KYOTO 607 JAPAN
Titolo Testata:
Publications of the Astronomical Society of Japan
fascicolo: 2, volume: 45, anno: 1993,
pagine: 255 - 261
SICI:
0004-6264(1993)45:2<255:MOOSF>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
PHOTOSPHERIC FACULAE; VECTOR MAGNETOGRAPH;
Keywords:
MAGNETOGRAPH; SUN, CENTER-TO-LIMB VARIATION; SUN, FACULAE; SUN, MAGNETIC FIELDS; SUN, PHOTOSPHERE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
13
Recensione:
Indirizzi per estratti:
Citazione:
S. Kawakami e M. Makita, "MAGNETOGRAPH OBSERVATIONS OF SOLAR FACULAE", Publications of the Astronomical Society of Japan, 45(2), 1993, pp. 255-261

Abstract

Two solar facular regions were investigated using the Solar Vector Magnetograph of the Okayama Astrophysical Observatory. The transverse magnetic field of the faculae becomes more parallel to the solar radius as the facular region moves from the disk center to the limb. This center-to-limb variation can be explained by a numerical simulation in which the direction of facular magnetic fields is confined within a conearound the vertical. A suitable cone angle is about 30-degrees. This confinement leads to the possibility of calibrating a magnetograph measurement by considering the center-to-limb variation of the longitudinal and transverse magnetic fields.

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Documento generato il 05/12/20 alle ore 23:57:14