THE EXTREME-ULTRAVIOLET EMISSION FROM SUN-GRAZING COMETS

The Atmospheric Imaging Assembly (AIA) on the Solar Dynamics Observatory has observed two Sun-grazing comets as they passed through the solar atmosphere. Both passages resulted in a measurable enhancement of extreme-ultraviolet (EUV) radiance in several of the AIA bandpasses. We explain this EUV emi...

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Veröffentlicht in:	The Astrophysical journal 2012-11, Vol.760 (1), p.1-8
Hauptverfasser:	BRYANS, P, PESNELL, W. D
Format:	Artikel
Sprache:	eng
Schlagworte:	ASTRONOMY ASTROPHYSICS ASTROPHYSICS, COSMOLOGY AND ASTRONOMY Atmospherics ATOMS COMETS Earth, ocean, space ELEMENT ABUNDANCE Emission EVOLUTION Exact sciences and technology EXTREME ULTRAVIOLET RADIATION Imaging IONIZATION IONS MOLECULES PHOTON EMISSION Radiance SOLAR ATMOSPHERE Solar observatories SOLAR RADIATION SUN TELESCOPES
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