Simple Magnetic Flux Balance as an Indicator of Ne viii Doppler Velocity Partitioning in an Equatorial Coronal Hole | Zendy

Scott W. McIntosh | Zendy; A. R. Davey | Zendy; Donald M. Hassler | Zendy

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Simple Magnetic Flux Balance as an Indicator of Ne viii Doppler Velocity Partitioning in an Equatorial Coronal Hole

Author(s) -

Scott W. McIntosh,

A. R. Davey,

Donald M. Hassler

Publication year - 2006

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/505488

Subject(s) - physics , doppler effect , flux (metallurgy) , coronal hole , magnetic field , astrophysics , computational physics , solar wind , astronomy , coronal mass ejection , chemistry , quantum mechanics , organic chemistry

We present a novel investigation into the relationship between simpleestimates of magnetic flux balance and the Ne VIII Doppler velocitypartitioning of a large equatorial coronal hole observed by the SolarUltraviolet Measurements of Emitted Radiation spectrometer (SUMER) on the Solarand Heliospheric Observatory (SOHO) in November 1999. We demonstrate that aconsiderable fraction of the large scale Doppler velocity pattern in thecoronal hole can be qualitatively described by simple measures of the localmagnetic field conditions, i.e., the relative unbalance of magnetic polaritiesand the radial distance required to balance local flux concentrations withthose of opposite polarity.Comment: To appear ApJL (June

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