Zobrazeno 1 - 10
of 526
pro vyhledávání: '"Mackay, Duncan A."'
Autor:
Nandy, Dibyendu, Banerjee, Dipankar, Bhowmik, Prantika, Brun, Allan Sacha, Cameron, Robert H., Gibson, S. E., Hanasoge, Shravan, Harra, Louise, Hassler, Donald M., Jain, Rekha, Jiang, Jie, Jouve, Laurène, Mackay, Duncan H., Mahajan, Sushant S., Mandrini, Cristina H., Owens, Mathew, Pal, Shaonwita, Pinto, Rui F., Saha, Chitradeep, Sun, Xudong, Tripathi, Durgesh, Usoskin, Ilya G.
Despite investments in multiple space and ground-based solar observatories by the global community, the Sun's polar regions remain unchartered territory - the last great frontier for solar observations. Breaching this frontier is fundamental to under
Externí odkaz:
http://arxiv.org/abs/2301.00010
Autor:
Barczynski, Krzysztof, Meyer, Karen A., Harra, Louise K., Mackay, Duncan H., Auchere, Frederic, Berghmans, David
The High Resolution Imager (HRI_EUV) telescope of the Extreme Ultraviolet Imager (EUI) instrument onboard Solar Orbiter has observed EUV brightenings, so-called campfires, as fine-scale structures at coronal temperatures. The goal of this paper is to
Externí odkaz:
http://arxiv.org/abs/2210.09129
Publikováno v:
A&A 660, A45 (2022)
The present study investigates a mini-filament eruption associated with cancelling magnetic fluxes. The eruption originates from a small-scale loop complex commonly known as a Coronal Bright Point (CBP). The event is uniquely recorded in both the ima
Externí odkaz:
http://arxiv.org/abs/2202.00370
Publikováno v:
A&A 652, A160 (2021)
Coronal mass ejections (CMEs) that exhibit weak or no eruption signatures in the low corona, known as stealth CMEs, are problematic as upon arrival at Earth they can lead to geomagnetic disturbances that were not predicted by space weather forecaster
Externí odkaz:
http://arxiv.org/abs/2106.14800
The coronal magnetic field evolution of 20 bipolar active regions (ARs) is simulated from their emergence to decay using the time-dependent nonlinear force-free field method of Mackay et al. A time sequence of cleaned photospheric line-of-sight magne
Externí odkaz:
http://arxiv.org/abs/2012.07708
Autor:
Lehmann, Lisa T., Hussain, Gaitee A. J., Vidotto, Aline A., Jardine, Moira M., Mackay, Duncan H.
We are reaching the point where spectropolarimetric surveys have run for long enough to reveal solar-like magnetic activity cycles. In this paper we investigate what would be the best strategy to identify solar-like magnetic cycles and ask which larg
Externí odkaz:
http://arxiv.org/abs/2010.10214
Autor:
Madjarska, Maria S., Galsgaard, Klaus, Mackay, Duncan H., Koleva, Kostadinka, Dechev, Momchil
Publikováno v:
A&A 643, A19 (2020)
A single case study of a CBP in an equatorial coronal hole with an exceptionally large size is investigated to extend our understanding of the formation of mini-filaments, their destabilisation and the origin of the eruption triggering the formation
Externí odkaz:
http://arxiv.org/abs/2009.04628
The large field-of-view of the Sun Watcher using Active Pixel System detector and Image Processing (SWAP) instrument on board the PRoject for Onboard Autonomy 2 (PROBA2) spacecraft provides a unique opportunity to study extended coronal structures ob
Externí odkaz:
http://arxiv.org/abs/2007.02668
Autor:
Yardley, Stephanie L., Savcheva, Antonia, Green, Lucie M., van Driel-Gesztelyi, Lidia, Long, David, Williams, David R., Mackay, Duncan H.
We present observations and magnetic field models of an intermediate filament present on the Sun in August 2012, associated with a polarity inversion line that extends from AR 11541 in the east into the quiet sun at its western end. A combination of
Externí odkaz:
http://arxiv.org/abs/1911.01314