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Titolo:
JOINT ULYSSES AND WIND OBSERVATIONS OF A PARTICLE EVENT IN APRIL 1995
Autore:
BUTTIGHOFFER A; PICK M; RAVIART A; HOANG S; LIN RP; SIMNETT GM; LANZEROTTI LJ; BOTHMER V;
Indirizzi:
OBSERV MEUDON,DASOP,URA 2080 F-92195 MEUDON FRANCE CEA SACLAY,DSM,DAPNIA,SERV ASTROPHYS F-91191 GIF SUR YVETTE FRANCE OBSERV MEUDON,DESPA,URA 246 F-92195 MEUDON FRANCE UNIV CALIF BERKELEY,DEPT PHYS BERKELEY CA 94720 UNIV CALIF BERKELEY,SPACE SCI LAB BERKELEY CA 94720 UNIV BIRMINGHAM BIRMINGHAM W MIDLANDS ENGLAND AT&T BELL LABS MURRAY HILL NJ 07974 EUROPEAN SPACE AGCY,EUROPEAN SPACE RES & TECHNOL CTR,DEPT SPACE SCI NL-2200 AG NOORDWIJK NETHERLANDS
Titolo Testata:
Astronomy and astrophysics
fascicolo: 2, volume: 316, anno: 1996,
pagine: 499 - 505
SICI:
0004-6361(1996)316:2<499:JUAWOO>2.0.ZU;2-#
Fonte:
ISI
Lingua:
ENG
Soggetto:
RAY; PLASMA;
Keywords:
INTERPLANETARY MEDIUM; SUN, PARTICLE EMISSION; SUN, RADIO RADIATION; SUN, CORONA;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
12
Recensione:
Indirizzi per estratti:
Citazione:
A. Buttighoffer et al., "JOINT ULYSSES AND WIND OBSERVATIONS OF A PARTICLE EVENT IN APRIL 1995", Astronomy and astrophysics, 316(2), 1996, pp. 499-505

Abstract

In this paper we analyze a solar particle event that was measured at two locations in the heliosphere. Ulysses was at 40 degrees north heliolatitude and 130 degrees west in heliolongitude from Earth while WINDwas near Earth at I AU in the ecliptic plane. To establish the originof the particle events, solar coronal activity is investigated. Direct observational evidence of the association between long-duration electron acceleration and a solar radio noise storm is shown. We also establish that the interplanetary type III burst studied here is produced by successive electron injections from distinct coronal locations. Twoparticle increases are observed during the event. For the first one, the particles sue shown to be from coronal origin; for the second one,which is associated with a Forbush decrease, the particles are primarily shock accelerated. The differences in particle intensities observed at WIND and Ulysses are explained by the nature of the particle propagation to the spacecraft locations.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/12/20 alle ore 21:21:58