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stellar winds

The effects of stellar winds on the magnetospheres and potential habitability of exoplanets

The effects of stellar winds on the magnetospheres and potential habitability of exoplanets

... In order to study the interaction between stellar winds and exoplanets, we use a survey of 167 stars observed by the Bcool Collaboration (Marsden et al. 2014). We excluded the subgiants and any stars that ...

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Stellar winds near massive black holes - the case of the S-stars

Stellar winds near massive black holes - the case of the S-stars

... and stellar environment. Simulations to determine the ac- cretion of stellar winds from the surrounding O-stars on to the black hole have been performed earlier, but in those the presence of the ...

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The Mechanism of Interacting Stellar Winds beyond Red Giant Branch

The Mechanism of Interacting Stellar Winds beyond Red Giant Branch

... fast winds at a velocity in the range (1000 - 3000) km/s [14]. This fast winds catches up with slow wind resulting from the ejection of the progenitor Red Giant’s envelope moving at (≈ 10 km/s according to ...

5

Simulating stellar winds in AMUSE

Simulating stellar winds in AMUSE

... simulating stellar winds: With the simple wind mode, we create SPH wind particles in a spherically symmetric shell for which the inner boundary is located at the radius of the ...fast winds, we find ...

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The effects of stellar winds on the magnetospheres and potential habitability of exoplanets

The effects of stellar winds on the magnetospheres and potential habitability of exoplanets

... In order to study the interaction between stellar winds and exoplanets, we use a survey of 167 stars observed by the Bcool Collaboration (Marsden et al. 2014). We excluded the subgiants and any stars that ...

10

Spectropolarimetry as a probe of stellar winds

Spectropolarimetry as a probe of stellar winds

... T h e subsequent explosion of astronom ical p o larim etry was m o tiv ated m ainly by the desire to m ap th e galactic m agnetic field, which is clearly delineated by th e in terstellar p o larization (IS P ). T he ...

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Red giant mass loss : studying evolved stellar winds with FUSE and HST / STIS

Red giant mass loss : studying evolved stellar winds with FUSE and HST / STIS

... the stellar wind when the star reaches the very last phase on the AGB and becomes an infrared carbon ...the winds of K and later giants, both with and without detectable dust, may be independent of the dust ...

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Radio interferometric studies of cool evolved stellar winds

Radio interferometric studies of cool evolved stellar winds

... The radio flux densities at high frequencies (i.e., ν > 30 GHz) are overesti- mated by the combination of both atmospheric models, although this approach does well in reproducing the VLA flux densities below 30 GHz. ...

276

Winds of planet hosting stars

Winds of planet hosting stars

... the winds of the host star and the way in which they interact with the ...the stellar winds in those systems using the Block Adaptive Tree Solar-wind Roe Upwind Scheme ( BATS - R - US ) ...

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Metallicity Dependent Wolf-Rayet Winds

Metallicity Dependent Wolf-Rayet Winds

... WR stellar winds are significantly denser than O stars, as illustrated in ...of stellar winds during the main sequence and blue supergiant phase scales with the metallicity (Vink et ...

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Reevaluating old stellar populations

Reevaluating old stellar populations

... old stellar populations, in which α-element abundance enhancement must be consid- ...a stellar at- mosphere is largely responsible for stellar ...resolution stellar atmosphere grids with ...

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Stellar magnetism and activity :  from stellar interiors to orbiting exoplanets

Stellar magnetism and activity : from stellar interiors to orbiting exoplanets

... modelling stellar winds are much improved compared with the earliest mod- ...the winds are accelerated has progressed allowing for the construc- tion of more physically motivated ...which ...

162

Feedback from winds and supernovae in massive stellar clusters - II. X-ray emission

Feedback from winds and supernovae in massive stellar clusters - II. X-ray emission

... of stellar clusters prefer a wind based explanation for the diffuse X-ray emission, though Ezoe et ...individual stellar clusters, and larger scale regions of star formation which create superbubbles where ...

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Waves and Turbulences in Solar and Stellar Atmospheres and Winds

Waves and Turbulences in Solar and Stellar Atmospheres and Winds

... as stellar winds from solar-type ...the stellar surfaces due to the convective motions, and these waves dissipate through various nonlinear processes such as turbulent cascade and the generation of ...

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The Early History of Stellar Spin: the Theory of Accretion onto Young Stellar Objects

The Early History of Stellar Spin: the Theory of Accretion onto Young Stellar Objects

... the stellar photosphere. By assuming that these stellar fields adopt a current free configuration (otherwise known as potential fields), one can produce maps of the 3D spatial geometry of fields ...

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Stellar astrophysics: a study of stellar physics with particular reference to low mass stars

Stellar astrophysics: a study of stellar physics with particular reference to low mass stars

... of stellar gases, the input physics of a stellar model includes the energy generation rates from thermo-nuclear reactions and the conductive opacities (see Section ...

183

Oscillations in stellar superflares

Oscillations in stellar superflares

... of stellar flares is that there are no corresponding observations in the ...whereas stellar flares are essentially white light ...in stellar flares observed in X-rays (Mitra-Kraev et ...and ...

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The calculation of stellar opacity

The calculation of stellar opacity

... FBgTOMBJUflOH TH3SQ&T AMD THB BQPKE jSWSBBY LEVELS £e now have to calculate the perturbed energy levels of the electron states when the potential energy is given by 2.5 using the Coulomb[r] ...

209

Stellar Service Crane

Stellar Service Crane

... Stellar Industries was the first U.S. manufacturer to include the state-of-the-art fully proportional multi-functional remote control as a standard feature. The radio remote incorporates a variable speed trigger ...

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Rotation and stellar evolution

Rotation and stellar evolution

... Figure 5 shows the evolution in the HR diagram of 3 M models computed with a solar chemical composition and a solar-calibrated mixing-length parameter. The rotating model has an initial velocity on the ZAMS of 150 km s − ...

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