Abstract
view Abstract Citations (54) References (44) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS On the Large-Scale Dynamics and Magnetic Structure of Solar Active Regions Klimchuk, James A. Abstract The author has studied sets of carefully coaligned C IV Dopplergrams, photospheric magnetograms, and Hα filtergrams to infer the flow properties of active regions and the relationship of these flows to the active region magnetic fields. The combined data show that active regions can be naturally divided into three basic parts: strong field regions, weak field corridors between strong fields of opposite polarity, and surrounding weak field areas. An idealized topological model in which the vertical fields of strong field regions diverge very rapidly with height to become essentially horizontal in the adjacent low-lying areas is proposed. The picture is similar to canopy structures. Publication: The Astrophysical Journal Pub Date: December 1987 DOI: 10.1086/165834 Bibcode: 1987ApJ...323..368K Keywords: Magnetic Field Configurations; Plasma Dynamics; Solar Activity; Solar Atmosphere; Solar Magnetic Field; Doppler Effect; Magnetic Signatures; Spatial Distribution; Stellar Spectrophotometry; Temporal Distribution; Solar Physics; SUN: ATMOSPHERIC MOTIONS; SUN: MAGNETIC FIELDS full text sources ADS |
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