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Titolo:
OVER THE SOUTHERN SOLAR POLE - LOW-ENERGY INTERPLANETARY CHARGED-PARTICLES
Autore:
LANZEROTTI LJ; ARMSTRONG TP; GOLD RE; MACLENNAN CG; ROELOF EC; SIMNETT GM; THOMSON DJ; ANDERSON KA; HAWKINS SE; KRIMIGIS SM; LIN RP; PICK M; SARRIS ET; TAPPIN SJ;
Indirizzi:
AT&T BELL LABS,600 MT AVE MURRAY HILL NJ 07974 UNIV KANSAS,DEPT PHYS LAWRENCE KS 66045 JOHNS HOPKINS UNIV,APPL PHYS LAB LAUREL MD 20723 UNIV BIRMINGHAM BIRMINGHAM W MIDLANDS ENGLAND UNIV CALIF BERKELEY,SPACE SCI LAB BERKELEY CA 94720 OBSERV PARIS MEUDON FRANCE UNIV THRACE XANTHI GREECE
Titolo Testata:
Science
fascicolo: 5213, volume: 268, anno: 1995,
pagine: 1010 - 1013
SICI:
0036-8075(1995)268:5213<1010:OTSSP->2.0.ZU;2-9
Fonte:
ISI
Lingua:
ENG
Soggetto:
ULYSSES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
18
Recensione:
Indirizzi per estratti:
Citazione:
L.J. Lanzerotti et al., "OVER THE SOUTHERN SOLAR POLE - LOW-ENERGY INTERPLANETARY CHARGED-PARTICLES", Science, 268(5213), 1995, pp. 1010-1013

Abstract

The heliosphere instrument for spectrum, composition, and anisotropy (HISCALE) recorded the fluxes of low-energy ions and electrons (>50 kiloelectron volts) when Ulysses crossed the southern solar polar regionand revealed that the large-scale structure of the heliosphere to at least similar to-75 degrees was significantly influenced by the near-equatorial heliospheric current sheet. Electrons in particular were accelerated by the current sheet-produced and poleward-propagating interplanetary reverse shock at helioradii far from the Ulysses location. Atheliolatitudes higher than similar to-75 degrees on the Ulysses ascent to the pole and similar to-50 degrees on the descent, small, less regular enhancements of the lowest energy electron fluxes were measured whose relations to the current sheet were less clear. The anomalous component of low-energy (similar to 2 to 5 megaelectron volts per nucleon) oxygen flux at the highest heliolatitudes was found to be similar to 10(-8) [per square centimeter per second per steradian (per kiloelectronvolt per nucleon)]; the anomalous Ne/O ratio was similar to 0.25.

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Documento generato il 03/12/20 alle ore 16:02:53