Stellar Surface Magnetic Field
Magnetic support of stellar slingshot prominences
... the magnetic field, they trace out the coronal magnetic field ...the stellar surface magnetic field, gained from Zee- man Doppler ...of stellar angular ...
10
The connection between stellar activity cycles and magnetic field topology
... portant parameter determining the toroidal energy fraction. This raises the question - do stars capable of generating large f tor val- ues only appear on the active branch because these are the fastest rotators or is ...
9
The connection between stellar activity cycles and magnetic field topology
... near surface shear ...the stellar surface. In contrast, flux generated in near surface shear layers takes less time emerge and may be more likely to emerge in a stressed or toroidal ...
9
The connection between stellar activity cycles and magnetic field topology
... their surface fields? A method of breaking this degeneracy would be to map the fields of stars in the intermedi- ate shaded regime where the branches ...true magnetic cycle periods, will be needed before ...
9
Stellar magnetic activity and exoplanets
... Stellar magnetic activity and exoplanets ...that magnetic activity could be enhanced due to interactions between close-in massive planets and their host ...between stellar magnetic ...
6
Variability of solar/stellar activity and magnetic field and its influence on planetary atmosphere evolution
... weak, magnetic moments may lose tens to hundreds of bars of atmospheric pressure, or even be stripped of their whole atmospheres due to CME- induced O + ion pick up at orbital distances ...to stellar wind ...
21
Magnetic flux transport simulations : applications to solar and stellar magnetic fields
... emerging magnetic field on the solar ...polar field, acts as a restrictive mechanism in allowing the underlying magnetic flux to reach higher into the corona, during stages of weak polar ...
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The relation between stellar magnetic field geometry and chromospheric activity cycles - I. The highly variable field of Eps Eridani at activity minimum
... large-scale magnetic field geometry is reconstructed using the tomographic technique of Zeeman–Doppler imaging (ZDI), which incorporates the maximum entropy algorithm described by Skilling & Bryan ...the ...
5
Influence of surface stressing on stellar coronae and winds
... large-scale surface magnetic fields that are highly non-potential – that is, they have been stressed above their lowest energy ...the surface field is neglected by current stellar wind ...
11
Seismological insights into solar and stellar magnetic activity cycles
... Sun’s magnetic activity cycle varies primarily on a time scale of approximately 11yrs from min- imum to maximum and back ...internal magnetic field: Frequencies, damping rates, and powers are all ...
9
Can an interplanetary magnetic field reach the surface of Venus?
... the magnetic field at Venus’ surface, we estimate the magnetic diffusion time in Venus’ ...the magnetic field can reach the planetary surface and even penetrate the ...
7
Analytic model calculation of magnetic field in a magnetic half‐space due to surface magnetic charge
... of magnetic field in a magnetic half‐space due to surface magnetic charge Abstract By analogy with electrostatic field, a simple analytic model is presented on the distribution ...
6
The energy budget of stellar magnetic fields
... In this paper, we examine the toroidal fields of a sample of 55 stars with magnetic maps, with masses in the range 0.1–1.5 M . We find that the energy contained in toroidal fields has a power-law dependence on ...
10
The energy budget of stellar magnetic fields
... In this paper, we examine the toroidal fields of a sample of 55 stars with magnetic maps, with masses in the range 0.1–1.5 M . We find that the energy contained in toroidal fields has a power-law dependence on the ...
10
Magnetic Field Based Near Surface Haptic and Pointing Interface
... and magnetic array in a like polarity position and then rapidly switching on and off the electromag- netic array in certain ...the magnetic field it produces and affects the static magnetic ...
9
The relation between stellar magnetic field geometry and chromospheric activity cycles – II. The rapid 120-day magnetic cycle of τ Bootis
... large-scale magnetic field using high-cadence observations covering its chromospheric activity ...fast magnetic cycle of only 240 ...large-scale field geometry is very similar to the Sun at ...
6
The relation between stellar magnetic field geometry and chromospheric activity cycles II The rapid 120 day magnetic cycle of τ Bootis
... large-scale magnetic field using high-cadence observations covering its chromospheric activity ...fast magnetic cycle of only 240 ...large-scale field geometry is very similar to the Sun at ...
6
Stellar magnetic activity – Star-Planet Interactions
... ionized stellar wind, which couples to the stellar magnetic field on its journey away from the star and thus carries away angular ...how stellar rotation and magnetic activity evolve ...
6
Magnetic Field and Magnetic Forces
... • Example 27.1 A beam of protons move with speed of 3.0E5m/s on x-z plane at an angle 30 degrees with respect to +z axis through a uniform B-field of 2.0T along positive z-direction. [r] ...
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