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Case study of four homologous large-scale coronal waves observed on 2010 april 28 and 29


Kienreich, Ines; Veronig, Astrid; Muhr, Nicole; Temmer, Manuela; Vršnak, Bojan; Nitta, Nariaki
Case study of four homologous large-scale coronal waves observed on 2010 april 28 and 29 // The Astrophysical journal, 727 (2011), L43-L48 doi:10.1088/2041-8205/727/2/L43 (međunarodna recenzija, članak, znanstveni)


Naslov
Case study of four homologous large-scale coronal waves observed on 2010 april 28 and 29

Autori
Kienreich, Ines ; Veronig, Astrid ; Muhr, Nicole ; Temmer, Manuela ; Vršnak, Bojan ; Nitta, Nariaki

Izvornik
The Astrophysical journal (0004-637X) 727 (2011); L43-L48

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Sun: corona; Sun: coronal mass ejections (CMEs); Sun: flares

Sažetak
On 2010 April 28 and 29, the Solar TErrestrial Relations Observatory B/Extreme Ultraviolet Imager observed four homologous large-scale coronal waves, the so-called EIT-waves, within 8 hr. All waves emerged from the same source active region, were accompanied by weak flares and faint coronal mass ejections, and propagated into the same direction at constant velocities in the range of ~220-340 km s–1. The last of these four coronal wave events was the strongest and fastest, with a velocity of 337 ± 31 km s–1 and a peak perturbation amplitude of ~1.24, corresponding to a magnetosonic Mach number of M ms ~ 1.09. The magnetosonic Mach numbers and velocities of the four waves are distinctly correlated, suggestive of the nonlinear fast-mode magnetosonic wave nature of the events. We also found a correlation between the magnetic energy buildup times and the velocity and magnetosonic Mach number.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
007-0000000-1362 - Eruptivni procesi u Sunčevoj atmosferi (Bojan Vršnak, )

Ustanove
Geodetski fakultet, Zagreb

Profili:

Avatar Url Bojan Vršnak (autor)

Citiraj ovu publikaciju

Kienreich, Ines; Veronig, Astrid; Muhr, Nicole; Temmer, Manuela; Vršnak, Bojan; Nitta, Nariaki
Case study of four homologous large-scale coronal waves observed on 2010 april 28 and 29 // The Astrophysical journal, 727 (2011), L43-L48 doi:10.1088/2041-8205/727/2/L43 (međunarodna recenzija, članak, znanstveni)
Kienreich, I., Veronig, A., Muhr, N., Temmer, M., Vršnak, B. & Nitta, N. (2011) Case study of four homologous large-scale coronal waves observed on 2010 april 28 and 29. The Astrophysical journal, 727, L43-L48 doi:10.1088/2041-8205/727/2/L43.
@article{article, year = {2011}, pages = {L43-L48}, DOI = {10.1088/2041-8205/727/2/L43}, keywords = {Sun: corona, Sun: coronal mass ejections (CMEs), Sun: flares}, journal = {The Astrophysical journal}, doi = {10.1088/2041-8205/727/2/L43}, volume = {727}, issn = {0004-637X}, title = {Case study of four homologous large-scale coronal waves observed on 2010 april 28 and 29}, keyword = {Sun: corona, Sun: coronal mass ejections (CMEs), Sun: flares} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


Uključenost u ostale bibliografske baze podataka:


  • NASA ADS


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