Spot Features and Surface Differential Rotation
Doppler imaging and surface differential rotation of young open cluster stars - I. HD 307938 (R58) in IC 2602
... tween differential rotation and stellar ...photospheric spot features compared with those of the modern-day ...lower-latitude features extending down to the equator of ...
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Surface differential rotation and prominences of the Lupus post T Tauri star RX J1508.6-4423
... Assuming that such a law can be extrapolated to all latitudes, we find that the equator of RX J1508.6±4423 does one more rotational cycle than the pole every 50 ^ 10 d; implying a photospheric shear 2 to 3 times stronger ...
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Stellar differential rotation and coronal time scales
... to surface differential rotation and ...the differential rotation ...the surface diffusion time-scale through the relation τ Form ∝ √τ Lap τ Diff ...a differential ...
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Stellar coronal response to differential rotation and flux emergence
... varying differential rotation and flux emergence has on a star’s non-potential coronal magnetic ...star’s surface magnetic flux, open magnetic flux, mean azimuthal field strength, coronal free ...
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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
... the differential rotation measured from the brightness features compared to that measured from the magnetic features, with the magnetic differential rotation being significantly ...
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Recognition of Amazigh Characters using Visual Rotation Invariant Features
... 1. INTRODUCTION The computer vision is the science of recognizing objects in the images and interpreting them. During the last decade, this discipline has been widely investigated because of its relation to other fields ...
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Apparent relations between planetary spin, orbit, and solar differential rotation
... a differential rotation in response to the resonant forces to which it is subjected by the planets, whose orbital elements may be modulating the reso- nant ...of rotation of various latitudinal ...
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Patch Autocorrelation Features: A translation and rotation invariant approach for image classification.
... Artificial intelligence is a vast domain with important applications in many fields (Valipour et al, 2013; Valipour, 2015a,b; Laalaoui and Bouguila, 2015; Ionescu et al, 2016), including computer vision (Szeliski, 2010; ...
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Roche tomography of cataclysmic variables - VI. Differential rotation of AE Aqr - not tidally locked!
... emission features in the form of sinusoids across the entire orbitally corrected trail for both obser- vation ...these features can be visually tracked through sequential line ...stellar surface. We ...
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Differential rotation on both components of the pre-main-sequence binary system HD 155555
... the spot maps and the bottom plots from the geometric average of the cross-correlation images of the radial and azimuthal field ...solar-like differential rotation law for all but the primary ...
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The flow generated in a continuously stratified rotating fluid by the differential rotation of a plane horizontal disc
... the features described above can be seen in the sequence of shadowgraph images § shown in ...110 rotation periods show how the radial and vertical extent of the density front gradually increase, and ...
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A suppression of differential rotation in Jupiter's deep interior
... The question of whether Jupiter’s interior is differentially rotating has been a major puzzle 1,2 , limiting our ability to probe the structure and composition of the planet 3,4 . The discovery by Juno that Jupiter's ...
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Magnetic fields and differential rotation on the pre-main sequence
... The 15th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun was held in St Andrews, Scotland from 21-25th July 2008, with generous support from the Scot- tish Universities Phy[r] ...
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Girder Rotation Due to Differential Vertical Deflection of Rubber
... the rotation of beam end but also has great shearing deformation capacity which can satisfy the horizontal displacement of the ...experience differential vertical deflection due to the eccentric loading ...
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Tidal Synchronization and Differential Rotation of Kepler Eclipsing Binaries
... report rotation periods for 816 EBs with starspot modulations, and find that 79% of EBs with orbital periods of less than 10 days are ...with rotation periods typically 13% slower than synchronous, which we ...
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NEW MANIFESTATIONS OF THE DARBOUX’S ROTATION AND TRANSLATION FIELDS OF A SURFACE
... A vector field z is called a nontrivial infinitesimal bending of S provided that z is not a field of velocity vectors corresponding to a rigid motion of S. A surface is called nonrigid if it admits a nontrivial ...
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Dynamos and Differential Rotation: Advances at the Crossroads of Analytics, Numerics, and Observations
... and differential rotation. Similarly, as the rotation rate is increased, cycles become more likely to a point and then past this threshold they become less likely due to the rotational suppression of ...
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Computational surface partial differential equations
... evolving surface using a local conservation ...partial differential equations on evolving surfaces following Deckelnick et ...evolving surface and how we formulate the space discrete-time continuous ...
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Absolute surface metrology by shear rotation with position error correction
... test surface map is not obtained independently but only in combination with the reference ...absolute surface measurements, ...test surface errors without changing experimental settings, such as ...
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Effects of surface reflectance and 3D shape on perceived rotation axis
... the rotation speed of the object, the latter produces image velocities that are inversely related to 3D curvature magnitude (Koenderink & Van Doorn, ...high surface curvature points, causing large ...
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