Height variation of magnetic field and plasma flows in isolated bright points

C Kuckein - Astronomy & Astrophysics, 2019 - aanda.org
Aims. The expansion with height of the solar photospheric magnetic field and the plasma
flows is investigated for three isolated bright points (BPs). Methods. The BPs were observed …

The formation and disintegration of magnetic bright points observed by Sunrise/IMaX

D Utz, JC del Toro Iniesta, LRB Rubio… - The Astrophysical …, 2014 - iopscience.iop.org
The evolution of the physical parameters of magnetic bright points (MBPs) located in the
quiet Sun (mainly in the interwork) during their lifetime is studied. First, we concentrate on …

Horizontal flow fields in and around a small active region-The transition period between flux emergence and decay

M Verma, C Denker, H Balthasar, C Kuckein… - Astronomy & …, 2016 - aanda.org
Context. The solar magnetic field is responsible for all aspects of solar activity. Thus,
emergence of magnetic flux at the surface is the first manifestation of the ensuing solar …

Dynamic properties of bright points in an active region

PH Keys, M Mathioudakis, DB Jess, DH Mackay… - Astronomy & …, 2014 - aanda.org
Context. Bright points (BPs) are small-scale, magnetic features ubiquitous across the solar
surface. Previously, we have observed and noted their properties for quiet Sun regions …

Transient downflows associated with the intensification of small-scale magnetic features and bright point formation

G Narayan - Astronomy & Astrophysics, 2011 - aanda.org
Context. Small-scale magnetic features are present everywhere in the solar photosphere.
Theoretical models, numerical calculations, and simulations describing the formation of …

The continuum intensity as a function of magnetic field-II. Local magnetic flux and convective flows

P Kobel, SK Solanki, JM Borrero - Astronomy & Astrophysics, 2012 - aanda.org
Context. To deepen our understanding of the role of small-scale magnetic fields in active
regions (ARs) and in the quiet Sun (QS) on the solar irradiance, it is fundamental to …

Structure and dynamics of isolated internetwork Ca II H bright points observed by SUNRISE

S Jafarzadeh, SK Solanki, A Feller, A Lagg… - Astronomy & …, 2013 - aanda.org
Aims. We aim to improve our picture of the low chromosphere in the quiet-Sun internetwork
by investigating the intensity, horizontal velocity, size and lifetime variations of small bright …

Plasma properties and Stokes profiles during the lifetime of a photospheric magnetic bright point

RL Hewitt, S Shelyag, M Mathioudakis… - Astronomy & …, 2014 - aanda.org
Aims. In this paper we aim to investigate the evolution of plasma properties and Stokes
parameters in photospheric magnetic bright points using 3D magneto-hydrodynamical …

High-resolution spectropolarimetric observations of the temporal evolution of magnetic fields in photospheric bright points

PH Keys, A Reid, M Mathioudakis, S Shelyag… - Astronomy & …, 2020 - aanda.org
Context. Magnetic bright points (MBPs) are dynamic, small-scale magnetic elements often
found with field strengths of the order of a kilogauss within intergranular lanes in the …

Can magnetic breakout be achieved from multiple flux emergence?

D MacTaggart, AW Hood - Astronomy & Astrophysics, 2009 - aanda.org
Aims. We study the breakout model using multiple flux emergence to produce the magnetic
configuration and the trigger. We do not impose any artificial motions on the boundaries …