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Related papers: Spatio-Temporal Scaling of Solar Surface Flows

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In the following short review we will outline some of the possible interaction processes of lower solar atmospheric plasma with the embedded small-scale solar magnetic fields. After introducing the topic, important types of small-scale…

Solar and Stellar Astrophysics · Physics 2022-10-07 Santiago Vargas Domínguez , Dominik Utz

Using data from the Michelson Doppler Imager (MDI) instrument on board the Solar and Heliospheric Observatory (SOHO), we study the large-scale velocity fields in the outer part of the solar convection zone using the ring diagram technique.…

Astrophysics · Physics 2015-06-24 Sarbani Basu , H. M. Antia

High-resolution observations of a quiet Sun internetwork region taken with the Solar 1-m Swedish Telescope in La Palma are analyzed. We determine the location of small-scale vortex motions in the solar photospheric region by computing the…

Solar and Stellar Astrophysics · Physics 2015-05-28 S. Vargas Dominguez , J. Palacios , L. Balmaceda , I. Cabello , V. Domingo

Turbulent convection efficiently transports energy up to the solar photosphere, but its multi-scale nature and dynamic properties are still not fully understood. Several works in the literature have investigated the emergence of patterns of…

Solar and Stellar Astrophysics · Physics 2018-03-28 F. Giannattasio , F. Berrilli , G. Consolini , D. Del Moro , M. Gosic , L. Bellot Rubio

Granular simulations are used to probe the particle scale dynamics at short, intermediate, and long time scales for gravity driven, dense granular flows down an inclined plane. On approach to the angle of repose, where motion ceases, the…

Soft Condensed Matter · Physics 2009-11-11 L. E. Silbert

Sunspots are the most spectacular manifestation of solar magnetism, yet, 99% of the solar surface remains 'quiet' at any time of the solar cycle. The quiet sun is not void of magnetic fields, though; they are organized at smaller spatial…

Solar and Stellar Astrophysics · Physics 2015-05-18 M. J. Martinez Gonzalez , R. Manso Sainz , A. Asensio Ramos , L. R. Bellot Rubio

Granules observed in solar photosphere are believed to be convective and turbulent, but the physical picture of granular dynamical process remains unclear. Here we performed an investigation of granular dynamical motions of full length…

Solar and Stellar Astrophysics · Physics 2021-12-22 Liu Yanxiao , Jiang Chaowei , Yuan Ding , Zuo Pingbing , Wang Yi , Cao Wenda

Using a numerical simulation of compressible convection with radiative transfer mimicking the solar photosphere, we compare the velocity field derived from granule motions to the actual velocity field of the plasma. We thus test the idea…

Astrophysics · Physics 2009-11-07 M. Rieutord , T. Roudier , H. -G. Ludwig , A. Nordlund , R. Stein

High-resolution solar observations have revealed the existence of small-scale vortices, as seen in chromospheric intensity maps and velocity diagnostics. Frequently, these vortices have been observed near magnetic flux concentrations,…

Solar and Stellar Astrophysics · Physics 2024-11-01 S. M. Díaz-Castillo , C. E. Fischer , R. Rezaei , O. Steiner , S. Berdyugina

The coexistence of motions on various scales is a remarkable feature of solar convection, which should be taken into account in analyses of the dynamics of magnetic fields. Therefore, it is important to investigate the factors responsible…

Solar and Stellar Astrophysics · Physics 2015-01-15 O. V. Shcheritsa , A. V. Getling , O. S. Mazhorova

The motions of the plasma and structures in and below the solar photosphere is not well understood. The results obtained using various methods cannot be in general considered as consistent, especially in details. In this contribution we…

Astrophysics · Physics 2008-09-30 M. Svanda , M. Klvana , M. Sobotka

How the turbulent energy cascade develops below the magnetohydrodynamic scales in space and astrophysical plasmas is a major open question. Here, we measure the power spectrum of magnetic fluctuations in Parker Solar Probe's observations…

Here we review the recent progress made in the detection, examination, characterisation and interpretation of oscillations manifesting in small-scale magnetic elements in the solar photosphere. This region of the Sun's atmosphere is…

Solar and Stellar Astrophysics · Physics 2016-03-09 David B. Jess , Gary Verth

We examine the role of stratification in determining the scale for turbulent anelastic convection. Motivated by the range of scales observed in convection at the solar photosphere, we perform local numerical simulations of convection for a…

Solar and Stellar Astrophysics · Physics 2019-04-03 M. Kessar , D. W. Hughes , E. Kersale , K. A. Mizerski , S. M. Tobias

Convection, differential rotation, and meridional circulation of solar plasma are studied based on helioseismic data covering the period from May 2010 to August 2024, significantly prolonged compared to that previously considered. Depth…

Solar and Stellar Astrophysics · Physics 2025-04-22 A. V. Getling , A. G. Kosovichev

In this work, we focus in the magnetic evolution of a small region as seen by Hinode-SP during the time interval of about one hour. High-cadence LOS magnetograms and velocity maps were derived, allowing the study of different small-scale…

Solar and Stellar Astrophysics · Physics 2012-09-05 J. Palacios , L. A. Balmaceda , S. Vargas Domínguez , I. Cabello , V. Domingo

The Sun's global meridional circulation is evident as a slow poleward flow at its surface. This flow is observed to carry magnetic elements poleward - producing the Sun's polar magnetic fields as a key part of the 11-year sunspot cycle.…

Solar and Stellar Astrophysics · Physics 2011-03-30 David H. Hathaway

Although the energetic phenomena of the Sun (flares, coronal mass injections etc.) exhibit intermittent stochastic behavior in their rate of occurrence, they are well correlated to the variations of the solar cycle. In this work we study…

Solar and Stellar Astrophysics · Physics 2010-09-23 E. Gini , J. Polygiannakis , A. Hillaris , P. Preka-Papadema , X. Moussas

Arch-like loop structures filled with million Kelvin hot plasma form the building blocks of the quiet-Sun corona. Both high-resolution observations and magnetoconvection simulations show the ubiquitous presence of magnetic fields on the…

The interface between the bright solar surface and the million-degree corona continues to hold the key to many unsolved problems in solar physics. Advances in instrumentation now allow us to observe the dynamic structures of the solar…

Solar and Stellar Astrophysics · Physics 2019-02-13 Tiago M. D. Pereira