A proposed neutral line signature | Zendy

Doxas I. | Zendy; Speiser T. W. | Zendy; Dusenbery P. B. | Zendy; Horton W. | Zendy

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A proposed neutral line signature

Author(s) -

Doxas I.,

Speiser T. W.,

Dusenbery P. B.,

Horton W.

Publication year - 1994

Publication title -

journal of geophysical research: space physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.67

H-Index - 298

eISSN - 2156-2202

pISSN - 0148-0227

DOI - 10.1029/93ja01443

Subject(s) - line (geometry) , physics , neutral particle , ridge , signature (topology) , spacecraft , energetic neutral atom , computational physics , ion , geology , astronomy , geometry , mathematics , paleontology , quantum mechanics

An identifying signature is proposed for the existence and location of the neutral line in the magnetotail. The signature, abrupt density and temperature changes in the Earth‐tail direction, was first discovered in test particle simulations. Such temperature variations have been observed is ISEE data (Huang et al., 1992), but their connection to the possible existence of a neutral line in the tail has not yet been established. The proposed signature develops earlier than the ion velocity space ridge of Martin and Speiser (1988) but can only be seen by spacecraft in the vicinity of the neutral line, while the latter can locate a neutral line remotely.

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