Results 31 to 40 of about 2,433 (297)
The formation and stability of Petschek reconnection [PDF]
, 2014 E. R. Priest is grateful to the Leverhulme Trust. T. G. Forbes received support from NASA grant NNX-10AC04G to the University of New Hampshire. H. Baty acknowledges support by French National Research Agency (ANR) through Grant ANR-13-JS05-0003-01 ...
E. R. Priest +5 more
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Stellar Flare Statistics - Physical Consequences [PDF]
International Astronomical Union Colloquium, 1989 AbstractThe observational data permit us to establish clear statistical correlations between different parameters of stellar flare activity and the characteristics of quiet stars. These relations are: (i)between energies and frequencies of flares on stars of different luminosities;(ii)between total radiation energies of flares and quiet stars both in X-
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Information Horizon of Stellar Flares [PDF]
, 2021 Because the dynamics of stellar flares are modulated by magnetic activity cycles, they provide a window to the underlying dynamics. Using mutual information, we compare the process that creates stellar flares with a nonstationary Poisson process.
Homan, Jonathan
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Probability Distribution Functions of Solar and Stellar Flares [PDF]
, 2022 The paper studies the soft X-ray data of solar flares and found that the distribution functions of flare fluence are successfully modeled by tapered power law or gamma function distributions whose power exponent is slightly smaller than 2, indicating ...
Takashi Sakurai
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Polarimetry of stellar active regions and flares [PDF]
Solar Physics, 1989 AbstractObservations of regular and irregular polarimetric variability in late-type stars are reviewed, and the related physical and geometrical effects are discussed. There are indications that the irregular part of the variability could be caused by transient events, possibly associated with flares.
I. Tuominen +4 more
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Radio Emission from Stellar Flares [PDF]
International Astronomical Union Colloquium, 1989 AbstractAn overview is given of the observations of stellar radio ‘flares', defined as radio emission which is both variable in time and created by explosive releases of magnetic energy. The main sources of such flares are late-type Main-Sequence stars, classic close binaries, X-ray binaries, and pre-Main-Sequence stars.We summarize the interpretations
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Localizing flares to understand stellar magnetic fields and space weather in exo‐systems [PDF]
, 2022 Stars are uniform spheres, but only to first order. The way in which stellar rotation and magnetism break this symmetry places important observational constraints on stellar magnetic fields, and factors in the assessment of the impact of stellar activity
Poppenhäger, Katja (Prof. Dr.) +5 more
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Indeterminacy and instability in Petschek reconnection [PDF]
, 2013 We explain two puzzling aspects of Petschek's model for fast reconnection. One is its failure to occur in plasma simulations with uniform resistivity. The other is its inability to provide anything more than an upper limit for the reconnection rate.
Litvinenko, Yuri E. +11 more
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, 2014 Kepler observations revealed that many sun-like stars produce flares that are much greater strength in terms of total luminosity visual wavelengths compared to solar flares.
Rousta, Masoumeh
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A Prediction of the Flare Activity of Stellar Aggregates [PDF]
Symposium - International Astronomical Union, 1990 The problem of the statistical prediction of flare activity of a group of flare stars in stellar aggregates is considered.
M.A. Mnatsakanian, A.L. Mirzoyan
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