GUVI

Global UltraViolet Imager

GUVI Biblio



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Found 3 entries in the Bibliography.


Showing entries from 1 through 3


2006

Proton aurora observed from the ground

Auroral keV proton precipitation is a significant-energy particle input upon the high-latitude ionosphere, often dominating in the polar cusp and the dusk sector of the equatorward auroral oval. A unique signature of proton precipitation is the Doppler-shifted H Balmer lines (Hα, Hβ) observable from the ground. These lines are emitted by energetic H atoms produced within the proton beam through charge-exchange processes. Their observations allow one to assess the location, dynamic evolution especially during magnetospheric ...

Galand, Marina; Chakrabarti, Supriya;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics      Published on:

YEAR: 2006     DOI: https://doi.org/10.1016/j.jastp.2005.04.013

Proton aurora; H. Balmer; Auroral spectroscopy

2004

Contribution of proton precipitation to space-based auroral FUV observations

Imaging from space offers a unique way to access the global picture, and its temporal variability, of the particle energy input over the auroral ovals. Electron characteristics are inferred from the analysis of auroral images taken from space in two different spectral bands in UV or visible. Usually, only the electron component of the precipitation is considered, as most of the particle energy is carried by electrons. However, at some locations and certain times protons are a major energy source, that is, a major ionizati ...

Galand, M.; Lummerzheim, D.;

Published by: Journal of Geophysical Research      Published on: 03/2004

YEAR: 2004     DOI: 10.1029/2003JA010321

auroral protons; FUV

2003

SA52A-0395

Galand, Marina; Lummzheim, Dirk; Frey, HU; Paxton, LJ; Christensen, AB;

Published by:       Published on:

YEAR: 2003     DOI:



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