Zobrazeno 1 - 10
of 543
pro vyhledávání: '"A. Kullen"'
Autor:
S. C. Hill, T. I. Pulkkinen, A. Brenner, Q. Al Shidi, A. Mukhopadhyay, A. Kullen, H. Frey, S. Zou, M. Liemohn
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 10, Pp n/a-n/a (2024)
Abstract We present the first high resolution global MHD with coupled inner magnetosphere simulation results of an observed theta aurora event. We use the Space Weather Modeling Framework in the Geospace configuration, which produces accurate field a
Externí odkaz:
https://doaj.org/article/27aea32a625f4db6bcfeada5f710c319
Publikováno v:
Geophysical Research Letters, Vol 50, Iss 10, Pp n/a-n/a (2023)
Abstract Multiple transpolar arcs appearing simultaneously in the polar cap have gained much interest in recent years. By analyzing Defense Meteorological Satellite Program Special Sensor Ultraviolet Spectrographic Imagers data, we report for the fir
Externí odkaz:
https://doaj.org/article/7cca3d06e968403795334836a8931742
Autor:
T. Pitkänen, M. Hamrin, P. Norqvist, T. Karlsson, H. Nilsson, A. Kullen, S. M. Imber, S. E. Milan
Publikováno v:
Annales Geophysicae, Vol 33, Pp 245-255 (2015)
It is well known that nonzero interplanetary magnetic field By conditions lead to a twisted magnetotail configuration. The plasma sheet is rotated around its axis and tail magnetic field lines are twisted, which causes an azimuthal displacement of
Externí odkaz:
https://doaj.org/article/e31c88158f2147c5b90cc3b56b822b13
Publikováno v:
Annales Geophysicae, Vol 27, Pp 3335-3347 (2009)
We examine 14 cases of an interesting type of extremely high latitude aurora as identified in the precipitating particles measured by the DMSP F13 satellite. In particular we investigate structures within large-scale arcs for which the particle si
Externí odkaz:
https://doaj.org/article/90e028ea7c6c4025a73c7cae3cc1d589
Autor:
A. Kullen, S. Buchert, T. Karlsson, T. Johansson, S. Lileo, A. Eriksson, H. Nilsson, A. Marchaudon, A. N. Fazakerley
Publikováno v:
Annales Geophysicae, Vol 26, Pp 3279-3293 (2008)
The role of intense high-altitude electric field (E-field) peaks for large-scale plasma convection is investigated with the help of Cluster E-field, B-field and density data. The study covers 32 E-field events between 4 and 7 RE geocentric distance
Externí odkaz:
https://doaj.org/article/b1d6d7eca8484fe6ac6ea88223f9c9cf
Publikováno v:
Annales Geophysicae, Vol 25, Pp 507-517 (2007)
The shock arrival of an Interplanetary Coronal Mass Ejection (ICME) at ~09:50 UT on 22 November 1997 resulted in the development of an intense (Dstz>25 nT) with a strong duskward component (By>15 nT) resulting in a highly twisted tail plasma sheet.
Externí odkaz:
https://doaj.org/article/e692a9cd812f4b6aa5e82fffaef80589
Autor:
A. Kullen, P. Janhunen
Publikováno v:
Annales Geophysicae, Vol 22, Pp 951-970 (2004)
We investigate with the help of a magnetohydrodynamic (MHD) model how the large-scale topology of the magnetosphere develops for a constant interplanetary magnetic field (IMF) with different IMF clock angles and for an IMF By sign change during n
Externí odkaz:
https://doaj.org/article/9156f4c89b1147d2aa5fb972dfb744ba
Autor:
L. G. Blomberg, G. T. Marklund, P.-A. Lindqvist, F. Primdahl, P. Brauer, L. Bylander, J. A. Cumnock, S. Eriksson, N. Ivchenko, T. Karlsson, A. Kullen, J. M. G. Merayo, E. B. Pedersen, J. R. Petersen
Publikováno v:
Annales Geophysicae, Vol 22, Pp 115-123 (2004)
The Astrid-2 mission has dual primary objectives. First, it is an orbiting instrument platform for studying auroral electrodynamics. Second, it is a technology demonstration of the feasibility of using micro-satellites for innovative space plasma
Externí odkaz:
https://doaj.org/article/50150f78570a44d19fe3577753e0b307
Publikováno v:
In The American Journal of Geriatric Psychiatry: Open Science, Education, and Practice September 2024 3:12-18
Autor:
Schröder, Guido, Andresen, Julian Ramin, Hiepe, Laura, Schulze, Marko, Kullen, Claus Maximilian, Kopetsch, Christoph, Burmeister, Jens, Schober, Hans-Christof, Andresen, Reimer
Publikováno v:
In Journal of Orthopaedics March 2024 49:48-55