153 research outputs found
Method of Determination of Ion Temperature by the Variations of Satellite Induced Ion Trap Currents and Estimate of the Upper Limit of Ion Temperature at Altitudes of 10,000 Kilometers and Higher According to Data of AES Electron-2
Ion temperature determination by variations of satellite induced ion trap currents - Electron 2 satellite measurements of ion temperatures in ionospher
Plasma measurements conducted in the vincinity of Venus on the spacecraft VENERA-4
Plasma flux measurements in vicinity of Venus by charged particle traps on Venera-4 spacecraf
The magnetic field of Mars estimated from the data of plasma measurements by Soviet artificial satellites of Mars
The dimensions of the obstacle forming the shock wave of Mars are estimated by use of electron trap data from Mars 2, 3, and 5. The mean altitude of the obstacle at the subsolar point can be convincingly explained if the obstacle is the magnetosphere of Mars. On the assumption that Mars has its own dipole magnetic field, the magnetic moment of Mars is estimated, Mm approximately equal to 2 x 10 to the twenty second power gs x cubic cu
Estimates of the Upper Limit of Ion Temperature in the 7000-30,000 Km Altitude Range According to Measurements Aboard AES ''elektron-2''
Elektron-2 measurements of upper limits of ion temperatures between 7000 and 30,000 k
The effect of the hot oxygen corona on the interaction of the solar wind with Venus
Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/95142/1/grl3589.pd
High energy neutrino yields from astrophysical sources II: Magnetized sources
We calculate the yield of high energy neutrinos produced in astrophysical
sources for arbitrary interaction depths and magnetic field strengths
. We take into account energy loss processes like synchrotron radiation and
diffusion of charged particles in turbulent magnetic fields as well as the
scattering of secondaries on background photons and the direct production of
charm neutrinos. Meson-photon interactions are simulated with an extended
version of the SOPHIA model. Diffusion leads to an increased path-length before
protons leave the source of size R_s and therefore magnetized sources lose
their transparency below the energy , with and 1 for Kolmogorov and
Bohm diffusion, respectively. Moreover, the neutrino flux is suppressed above
the energy where synchrotron energy losses become important for charged
particles. As a consequence, the energy spectrum and the flavor composition of
neutrinos are strongly modified both at low and high energies even for sources
with \tau_0\lsim 1.Comment: 15 pages, 16 figure
Magnetic field and plasma inside and outside of the Martian magnetosphere
Simultaneous magnetic and plasma measurements, carried out by wide angle plasma detectors in the Mars environment, are compared in order to identify regions with significantly different physical properties. Magnetograms and ion spectra indicate changes in the magnetopause and magnetosphere of Mars that are associated with the dynamic pressure effect of the solar wind
Two-period variability of the intermediate polar FO Aqr
We present results of CCD photometric study of the intermediate polar FO Aqr based on observations obtained at the Baja Astronomical Observatory, Hungary, and at the Vihorlat Astronomical Observatory, Slovakia. We analysed variability of the spin period of the white dwarf in FO Aqr using our observations and previously published minima timings. The spin period is significantly shorter than before 2000
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