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15 papers · 2 filters
Impulsive phase flare energy transport by large-scale Alfven waves and the electron acceleration problem
L. Fletcher, H. S. Hudson
The impulsive phase of a solar flare marks the epoch of rapid conversion of energy stored in the pre-flare coronal magnetic field. Hard X-ray observations imply that a substantial…
Implications for the Origin of GRB 070201 from LIGO Observations
LIGO Scientific Collaboration, K. Hurley
We analyzed the available LIGO data coincident with GRB 070201, a short duration hard spectrum gamma-ray burst whose electromagnetically determined sky position is coincident with…
XMM-Newton X-ray study of early type stars in the Carina OB1 association
I. I. Antokhin, G. Rauw, J. -M. Vreux +2
X-ray properties of the stellar population in the Carina OB1 association are examined with special emphasis on early-type stars. Their spectral characteristics provide some clues t…
X-ray Emission from Magnetically Torqued Disks of Oe/Be Stars
Q. Li, J. P. Cassinelli, J. C. Brown +2
We focus attention on the Oe/Be stars to test the concept that the disks of these stars form by magnetic channeling of wind material toward the equator. Calculations are made of th…
Electron-Electron Bremsstrahlung Emission and the Inference of Electron Flux Spectra in Solar Flares
Eduard P. Kontar, A. Gordon Emslie, Anna Maria Massone +3
Although both electron-ion and electron-electron bremsstrahlung contribute to the hard X-ray emission from solar flares, the latter is normally ignored. Such an omission is not jus…
Particle acceleration by fluctuating electric fields at a magnetic field null point
P. Petkaki, A. L. MacKinnon
Particle acceleration consequences from fluctuating electric fields superposed on an X-type magnetic field in collisionless solar plasma are studied. Such a system is chosen to mim…