Results 101 to 110 of about 11,368 (206)
Modeling Time-variable Elemental Abundances in Coronal Loop Simulations
The Astrophysical Journal LettersNumerous recent X-ray observations of coronal loops in both active regions and solar flares have shown clearly that elemental abundances vary with time.
Jeffrey W. Reep +3 more
doaj +1 more source
Coronal Behavior Before the Large Flare Onset
, 2014 Flares are a major explosive event in our solar system. They are often followed by coronal mass ejection that has a potential to trigger the geomagnetic storms.
Bamba, Yumi +2 more
core +1 more source
VLA-Max '91 tests of high energy flare physics [PDF]
The potential for the Very Large Array (VLA) contributions during the coming maximum in solar activity is illustrated by unpublished observations of solar flares on 28 May, 8 June, 24 June, and 30 September 1988.
Lang, Kenneth R., Willson, Robert F.
core +1 more source
SWAP Observations of Post-flare Giant Arches in the Long-Duration 14 October 2014 Solar Eruption
, 2015 On 14 October 2014 the Sun Watcher with Active Pixels and Image Processing (SWAP) EUV solar telescope on-board the Project for On-Board Autonomy 2 (PROBA2) spacecraft observed an eruption that led to the formation of perhaps the largest post-eruptive ...
Seaton, Daniel B., West, Matthew J.
core +1 more source
Coronal Heating from Alfvén Wave Turbulence in Solar Coronal Loops
, 2020 This work is supported by the NSF-REU Solar Physics program at SAO, grant number AGS-1850750.
openaire +1 more source
MHD Waves and Coronal Seismology: an overview of recent results
, 2012 Recent observations have revealed that MHD waves and oscillations are ubiquitous in the solar atmosphere, with a wide range of periods. We give a brief review of some aspects of MHD waves and coronal seismology which have recently been the focus of ...
Uchida Y., Wang T., Zajtsev V. V.
core +2 more sources
Coronal Loop Expansion Properties Explained Using Separators
, 2009 One puzzling observed property of coronal loops is that they are of roughly constant thickness along their length. Various studies have found no consistent pattern of width variation along the length of loops observed by TRACE and SOHO.
Barnes +9 more
core +1 more source
Nonlinear force-free coronal magnetic stereoscopy
, 2017 Getting insights into the 3D structure of the solar coronal magnetic field have been done in the past by two completely different approaches: (1.) Nonlinear force-free field (NLFFF) extrapolations, which use photospheric vector magnetograms as boundary ...
Chifu, Iulia +2 more
core +1 more source
Magnetic Jam in the Corona of the Sun
, 2015 The outer solar atmosphere, the corona, contains plasma at temperatures of more than a million K, more than 100 times hotter that solar surface. How this gas is heated is a fundamental question tightly interwoven with the structure of the magnetic field ...
Bingert, S. +3 more
core +1 more source
On the Existence of Long-period Decayless Oscillations in Short Active Region Loops
The Astrophysical JournalDecayless kink oscillations, characterized by their lack of decay in amplitude, have been detected in coronal loops of varying scales in active regions, the quiet Sun, and coronal holes. Short-period (
Arpit Kumar Shrivastav +7 more
doaj +1 more source