Synchrotron and inverse-Compton emission from
... processes that could affect the electron energy spectrum. This approach was pioneered, though with very low resolution and for axisymmetric jets, by Matthews & Scheuer (1990a,b). More recently, Tregillis, Jones & Ryu (2001) have carried out 3D magnetohydrodynamic (MHD) simulations including accelera ...
... processes that could affect the electron energy spectrum. This approach was pioneered, though with very low resolution and for axisymmetric jets, by Matthews & Scheuer (1990a,b). More recently, Tregillis, Jones & Ryu (2001) have carried out 3D magnetohydrodynamic (MHD) simulations including accelera ...
Kein Folientitel
... The condition for growth of Langmuir waves is that the beam velocity exceeds a threshold, vb > 3 vth0, in order to overcome the Landau damping of the main part of the VDF. Electron beams occur in front of the bow shock and often in the solar corona during solar flares. ...
... The condition for growth of Langmuir waves is that the beam velocity exceeds a threshold, vb > 3 vth0, in order to overcome the Landau damping of the main part of the VDF. Electron beams occur in front of the bow shock and often in the solar corona during solar flares. ...
observatory - Science Presenters Central
... last for a few hours to months. Some can escape the magnetic fields that hold them in and go out into space. Violent, eruptive events on the Sun, called solar flares, also send out huge amounts of particles like X-rays and ultraviolet radiation. At the maximum of the sunspot cycle there are 1,100 fl ...
... last for a few hours to months. Some can escape the magnetic fields that hold them in and go out into space. Violent, eruptive events on the Sun, called solar flares, also send out huge amounts of particles like X-rays and ultraviolet radiation. At the maximum of the sunspot cycle there are 1,100 fl ...
introduction - Wayne State University Physics and Astronomy
... Atomic lifetimes can be measured by detecting photons radiating from spontaneous decays into and out of a level of interest. The photons signify : • a transition from a higher energy level and into the state of interest, • a transition from the level of interest into a lower energy level. Knowing th ...
... Atomic lifetimes can be measured by detecting photons radiating from spontaneous decays into and out of a level of interest. The photons signify : • a transition from a higher energy level and into the state of interest, • a transition from the level of interest into a lower energy level. Knowing th ...
Here
... • Using a good high resolution spectrum, you can get a much better measurement of the spectral energy distribution. • The disadvantage is that the efficiency is lower (more photons are lost in the complex optics). Also, it is difficult to measure more than one star at a time (in contrast to the dire ...
... • Using a good high resolution spectrum, you can get a much better measurement of the spectral energy distribution. • The disadvantage is that the efficiency is lower (more photons are lost in the complex optics). Also, it is difficult to measure more than one star at a time (in contrast to the dire ...