Eleven-years inversion of the green corona emission | Zendy

E. Antonucci | Zendy

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Eleven-years inversion of the green corona emission

Author(s) -

E. Antonucci

Publication year - 1974

Publication title -

solar physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.026

H-Index - 123

eISSN - 1573-093X

pISSN - 0038-0938

DOI - 10.1007/bf00153683

Subject(s) - physics , corona (planetary geology) , coronal loop , nanoflares , coronal hole , southern hemisphere , astronomy , solar cycle 22 , astrophysics , northern hemisphere , coronal mass ejection , interplanetary magnetic field , solar wind , magnetic field , astrobiology , quantum mechanics , venus

A cross-correlation analysis of coronal green line intensity (5303 Å) and interplanetary magnetic field polarity for the period 1947–1970 shows that the coronal features are organized in a constant pattern with respect to the 4-sector structure through the solar cycle. A sudden inversion of the coronal pattern with respect to the sector structure takes place at the solar minima. The high emission regions of the green corona are located near the solar magnetic sector boundaries having polarities (-, +), (+, -), (-, +) during cycles 18, 19, 20 respectively in the northern hemisphere, and (+, -), (-, +), (+, -) in the southern hemisphere.

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