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Stellar Activity and Magnetic Fields

Stellar magnetic activity and exoplanets

Stellar magnetic activity and exoplanets

... and stellar mass, with the sketch presented in Figure 1 representing a cut of a multi-dimensional func- ...lar activity are their relatively large ...of stellar activity and not only due to ...

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The connection between stellar activity cycles and magnetic field topology

The connection between stellar activity cycles and magnetic field topology

... large-scale magnetic fields of stars over a large range of spectral types, rotation periods and ...its activity cycle. In this paper, we examine the magnetic properties of stars with existing ...

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The connection between stellar activity cycles and magnetic field topology

The connection between stellar activity cycles and magnetic field topology

... large-scale magnetic fields of stars over a large range of spectral types, rotation periods and ...its activity cycle. In this paper, we examine the magnetic properties of stars with existing ...

9

The connection between stellar activity cycles and magnetic field topology

The connection between stellar activity cycles and magnetic field topology

... large-scale magnetic fields of stars over a large range of spectral types, rotation periods and ...its activity cycle. In this paper, we examine the magnetic properties of stars with existing ...

9

Cosmic Magnetic Fields

Cosmic Magnetic Fields

... cosmic magnetic fields were generally regarded as ...by magnetic fields. There seems to be now no doubts that magnetic fields play a crucial role in: star formation, solar and ...

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The energy budget of stellar magnetic fields

The energy budget of stellar magnetic fields

... toroidal fields of a sample of 55 stars with magnetic maps, with masses in the range ...toroidal fields has a power-law dependence on the energy contained in poloidal ...toroidal fields must ...

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The energy budget of stellar magnetic fields

The energy budget of stellar magnetic fields

... toroidal fields of a sample of 55 stars with magnetic maps, with masses in the range ...toroidal fields has a power-law dependence on the energy contained in poloidal ...toroidal fields must ...

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Seismological insights into solar and stellar magnetic activity cycles

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 ...

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The energy budget of stellar magnetic fields: comparing non-potential simulations and observations

The energy budget of stellar magnetic fields: comparing non-potential simulations and observations

... stars: activity – stars: magnetic field – stars: ...The magnetic activity of solar-like stars underpins both their high- energy coronal emission and also their angular momentum evolution ...

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The energy budget of stellar magnetic fields : comparing non potential simulations and observations

The energy budget of stellar magnetic fields : comparing non potential simulations and observations

... stars: activity – stars: magnetic field – stars: solar-type – methods: analytical 1 INTRODUCTION The magnetic activity of solar-like stars underpins both their high-energy coronal emission and ...

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Stellar magnetism and activity :  from stellar interiors to orbiting exoplanets

Stellar magnetism and activity : from stellar interiors to orbiting exoplanets

... An explanation for the differing magnetic topologies on each branch may lie in the dy- namos of these stars. It is thought that strong shearing, i.e. an Ω -effect, can generate toroidal field from a poloidal ...

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Magnetic flux transport simulations : applications to solar and stellar magnetic fields

Magnetic flux transport simulations : applications to solar and stellar magnetic fields

... emerging magnetic field on the solar ...underlying magnetic flux to reach higher into the corona, during stages of weak polar field, there are still null points that do not have more flux below than ...

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Stellar magnetic activity – Star-Planet Interactions

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 ...

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Origin of Magnetic Fields of Stellar Objects  in the Universe Based on the 5D  Projection Theory

Origin of Magnetic Fields of Stellar Objects in the Universe Based on the 5D Projection Theory

... in stellar evolution: as this group of stars ages, the mass does not decrease, implying matter is being continuously generated, with increase in size of star, but keeping a lower mass ...the stellar ...

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The failure of stellar feedback, magnetic fields, conduction, and morphological quenching in maintaining red galaxies

The failure of stellar feedback, magnetic fields, conduction, and morphological quenching in maintaining red galaxies

... T & 10 7 K (m g /10 4 M ) 0.2 (n/0.01 cm −3 ) 0.3 . So except in the outer regions of our most massive halo, the dominant heat transport/mixing is not Braginskii conduction. In m14, conduction is not negligible, but ...

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Magnetism. Magnetism. Magnetic Fields and Magnetic Domains. Magnetic Fields and Magnetic Domains. Creating and Destroying a Magnet

Magnetism. Magnetism. Magnetic Fields and Magnetic Domains. Magnetic Fields and Magnetic Domains. Creating and Destroying a Magnet

... Electromagnetic Induction ● Current-carrying wire => magnetic field ● Moving magnet => current in a wire. – The greater the number of loops, the greater the induced voltage[r] ...

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Magnetic support of stellar slingshot prominences

Magnetic support of stellar slingshot prominences

... the magnetic support of the ‘slingshot prominences’ observed in the coronae of rapidly rotating ...quadrupolar stellar fields that are fully ...the stellar wind for a dipolar field that ...

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Seismic signatures of stellar magnetic activity — what can we expect from TESS?

Seismic signatures of stellar magnetic activity — what can we expect from TESS?

... investigate stellar activity and activity cycles as well as to identify those properties of stars which are crucial for the operation of stellar ...of magnetic activity have been ...

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Variability of solar/stellar activity and magnetic field and its influence on planetary atmosphere evolution

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 ...

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Enhanced Phenomena in Metals with Electric and Magnetic Fields: II Magnetic Fields

Enhanced Phenomena in Metals with Electric and Magnetic Fields: II Magnetic Fields

... strong magnetic fields a larger number of precipitations and transformations are being ...Whilst magnetic fields are known to be a highly prospective means of controlling solidification microstruc- ture, it is ...

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