Star: rotation
Magnetic fields and differential rotation on the pre-main sequence - I. The early-G star HD 141943 - brightness and magnetic topologies
... differential rotation measured from the brightness features compared to that measured from the magnetic features, with the magnetic differential rotation being significantly higher than that from the ...
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Magnetic fields and differential rotation on the pre-main sequence - III. The early-G star HD 106506
... differential rotation have been ...differential rotation on the ...ential rotation of a star can also be estimated by tracking spot features at different latitudes on the surface of the ...
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Surface differential rotation and prominences of the Lupus post T Tauri star RX J1508.6-4423
... the star rotates, and thus periodically modulating the integrated light flux in the Earth direction (provided the stellar rotation axis is inclined to the line of sight and the starspot distribution is not ...
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Evidence from K2 for rapid rotation in the descendant of an intermediate mass star
... interior rotation rates in these stellar remnants ( ...main-sequence star — which we fi nd to be the most rapidly rotating pulsating white dwarf known to ...
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Magnetic fields and differential rotation on the pre-main sequence - II. The early-G star HD 141943 - coronal magnetic field, Halpha emission and differential rotation
... differential rotation measured from the brightness features compared to that measured from the magnetic features, with the magnetic differential rotation being significantly higher than that from the ...
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The Shapes of the Rotation Curves of Star forming Galaxies Over the Last ~10 Gyr
... In a partner study, Genzel et al. (2017) present the indi- vidual rotation curves of six massive, star-forming galaxies at 0.9 . z . 2.4, each of which exhibit a decline beyond their turnover radius. Like ...
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Star planet interactions: I Stellar rotation and planetary orbits
... without any particular acceleration mechanism. Of course, v sin i is a lower limit to the true equatorial surface velocity and thus among these stars a few stars can still be much more rapid rota- tors but, without any ...
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Rotation Dynamics of Star Block Copolymers under Shear Flow
... Though clear by the construction of the GA, it is worth emphasizing once again that the so-obtained estimate for the angular frequency is a result of averaging the polymer motion over very long time intervals while at ...
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Roche tomography of cataclysmic variables - VI. Differential rotation of AE Aqr - not tidally locked!
... secondary star in the cataclysmic variable AE Aqr, reconstructed from two data sets taken 9 d apart, and measure the differential rotation of the stellar ...differential rotation law, the ...
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The energy budget of stellar magnetic fields
... the star (Zarka 2007; Grießmeier, Zarka & Spreeuw 2007; Llama et ...stellar rotation period plays an important role in determining the fraction of magnetic energy in the toroidal component of the ...
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The dynamics and distribution of angular momentum in HiZELS star forming galaxies at z = 0 8–3 3
... 34 star–forming galaxies at z = ...line rotation curves. We show that high-redshift star forming galaxies follow a similar power-law trend in specific angular momentum with stellar mass as that of ...
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Recycling of neutron stars in common envelopes and hypernova explosions
... the rotation rates because at high spin the r-mode oscillations become excited (Shapiro & Teukolsky 1983; Levin ...differential rotation and the generation of the magnetar-strength magnetic field in the ...
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On the Origin of Mass and Angular Momentum of Stellar Objects
... the rotation of the in-phase spinor pairs is proposed to be coun- ter-balanced by the rotation of the matter in the surrounding Lorentz domain, so as to conserve net zero angular ...a star or a ...of ...
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Gravitational Darkening of Classical Be Stars
... of rotation on stellar structure and evolution is a series of 13 papers be- ginning with Maeder & Meynet (1997) and ending with Hirschi et ...of rotation and mass loss on the evolution of stars in great ...
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Dark Matter: The Nature of Space and the Galactic Gravitational Fields
... Other experimental observations too corroborate the con- clusion of the theory of the HQS-dynamics about the non- Keplerian galactic rotation. The null results of the Michelson experiments searching for light ...
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Rotation in the Pleiades with K2. I. Data and first results
... a star to be periodic when the FAP for the peak calculated over the whole LC was not ∼ 0 were situations in which, ...this star in an independent data set, even if the formal FAP calculated for that peak ...
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High resolution spectroscopy of Boyajian’s star during optical dimming events
... The lack of such signature means that either the surface is homogeneous or that it has small spots that are unde- tected at our noise level. To support these results, the radial velocities of the LSD profile (see Sect. ...
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An accurate mass determination for Kepler 1655b, a moderately irradiated world with a significant volatile envelope
... • The host star Kepler-1655 is a G0V Sun-like star with a rotation period of 13.6 ±1.4 days. The mag- netic activity behavior that we observe in both our photometric and spectroscopic time series are ...
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The Star Scene Modeling and Generation for Hardware in the loop Simulation
... the star sensor image plane is ...the star sensor in the equatorial inertial coordinate system O-XYZ is described by the right ascension angle, α, the declination angle, β, and the rotation angle of ...
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The direction of celestial rotation influences the development of stellar orientation in young garden warblers (Sylvia borin)
... celestial rotation appears to be crucial for these interactions and, thus, for establishing the population-specific migratory ...of rotation does not seem to be important for a star compass to be ...
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