Results 41 to 50 of about 2,991,320 (323)

Consequences of high effective Prandtl number on solar differential rotation and convective velocity [PDF]

open access: yes, 2018
Observations suggest that the large-scale convective velocities obtained by solar convection simulations might be over-estimated (convective conundrum).
B. Karak, M. Miesch, Y. Bekki
semanticscholar   +1 more source

Anti‐solar differential rotation

open access: yesAstronomische Nachrichten, 2004
AbstractThe differential rotation of anti‐solar type detected by observations for several stars may result from a fast meridional flow. The sufficiently intensive meridional circulation may be caused by large‐scale thermal inhomogeneities or, perhaps, by tidal forcing from a companion star.
Kitchatinov, L. L., Rüdiger, G.
openaire   +2 more sources

Evidence of a Quasiperiodic Global-scale Oscillation in the Near-surface Shear Layer of the Sun

open access: yesThe Astrophysical Journal Letters, 2023
We present evidence of hitherto undiscovered global-scale oscillations in the near-surface shear layer of the Sun. These oscillations are seen as large-scale variations of radial shear in both the zonal and meridional flows relative to their mean values.
Richard S. Bogart   +4 more
doaj   +1 more source

Differential rotation of Kepler-71 via transit photometry mapping of faculae and starspots [PDF]

open access: yes, 2019
Knowledge of dynamo evolution in solar-type stars is limited by the difficulty of using active region monitoring to measure stellar differential rotation, a key probe of stellar dynamo physics.
Zaleski, S. M.   +3 more
core   +1 more source

Influence of projection effects on the observed differential rotation rate in the UV corona

open access: yesJournal of Advanced Research, 2013
Following previous investigations by Giordano and Mancuso [1] and Mancuso and Giordano [2,3] on the differential rotation of the solar corona as obtained through the analysis of the intensity time series of the O VI 1032 Å spectral line observed by the ...
Salvatore Mancuso, Silvio Giordano
doaj   +1 more source

Minuscule Corrections to Near-surface Solar Internal Rotation Using Mode Coupling

open access: yesThe Astrophysical Journal Supplement Series, 2023
The observed solar oscillation spectrum is influenced by internal perturbations such as flows and structural asphericities. These features induce splitting of characteristic frequencies and distort the resonant-mode eigenfunctions.
Srijan Bharati Das   +4 more
doaj   +1 more source

Anti-solar differential rotation on the active sub-giant HU Virginis [PDF]

open access: yes, 2016
Measuring surface differential rotation (DR) on different types of stars is important when characterizing the underlying stellar dynamo. It has been suggested that anti-solar DR laws can occur when strong meridional flows exist. We aim to investigate the
G. Harutyunyan   +4 more
semanticscholar   +1 more source

MODELING OF DIFFERENTIAL ROTATION IN RAPIDLY ROTATING SOLAR-TYPE STARS [PDF]

open access: yesThe Astrophysical Journal, 2011
36 pages, 10 figures, accepted to ...
Hotta, Hideyuki, Yokoyama, Takaaki
openaire   +2 more sources

Exploring the Temporal Variation of the Solar Quadrupole Moment J 2

open access: yesThe Astrophysical Journal, 2023
Recently, Rozelot & Eren pointed out that the first solar gravitational moment ( J _2 ) might exhibit a temporal variation. The suggested explanation is through the temporal variation of the solar rotation with latitude.
Saliha Eren, Jean-Pierre Rozelot
doaj   +1 more source

Differential rotation in solar convective dynamo simulations [PDF]

open access: yesAdvances in Space Research, 2016
27 pages, 11 figures, accepted for publication in Advances in Space ...
Fan, Yuhong, Fang, Fang
openaire   +2 more sources

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