Results 21 to 30 of about 1,066 (184)

Turbulence in the Solar Photosphere [PDF]

open access: yesSpace Science Reviews, 2001
16 pages, 1 ...
openaire   +2 more sources

Atomic data and the spectrum of the solar photosphere [PDF]

open access: yesPhysica Scripta, 1993
Even though the solar photospheric abundances are now on the whole in very good agreement with the meteoritic values, some problems remain which will only be solved with a higher level of accuracy in the atomic data, especially the transition probabilities for faint lines.
Grevesse, Nicolas   +1 more
openaire   +1 more source

The Effect of Flow and Magnetic Twist on Resonant Absorption of Slow MHD Waves in Magnetic Flux Tubes

open access: yesThe Astrophysical Journal, 2023
Observations show that there are twisted magnetic flux tubes and plasma flow throughout the solar atmosphere. The main purpose of this work is to obtain the damping rate of sausage modes in the presence of magnetic twist and plasma flow.
Mohammad Sadeghi   +2 more
doaj   +1 more source

Latitudinal Variation of the Solar Photospheric Intensity [PDF]

open access: yesThe Astrophysical Journal, 2008
24 pages, 8 figs, accepted in ...
Rast, Mark P.   +2 more
openaire   +2 more sources

STOCHASTIC COUPLING OF SOLAR PHOTOSPHERE AND CORONA [PDF]

open access: yesThe Astrophysical Journal, 2013
36 pageS, 11 figures, 3 ...
Uritsky, Vadim M.   +3 more
openaire   +2 more sources

Investigation of Phase Shift and Travel Time of Acoustic Waves in the Lower Solar Atmosphere Using Multiheight Velocities

open access: yesThe Astrophysical Journal
We report and discuss the phase shift and phase travel time of low-frequency ( ν < 5.0 mHz) acoustic waves estimated within the photosphere and photosphere–chromosphere interface regions, utilizing multiheight velocities in the quiet Sun.
Hirdesh Kumar   +4 more
doaj   +1 more source

Solar and stellar photospheric abundances

open access: yesLiving Reviews in Solar Physics, 2016
The determination of photospheric abundances in late-type stars from spectroscopic observations is a well-established field, built on solid theoretical foundations. Improving those foundations to refine the accuracy of the inferred abundances has proven challenging, but progress has been made.
openaire   +3 more sources

MAGNETOHYDRODYNAMICS OF THE WEAKLY IONIZED SOLAR PHOTOSPHERE [PDF]

open access: yesThe Astrophysical Journal, 2012
We investigate the importance of ambipolar diffusion and Hall currents for high-resolution comprehensive ('realistic') photospheric simulations. To do so we extended the radiative magnetohydrodynamics code \emph{MURaM} to use the generalized Ohm's law under the assumption of local thermodynamic equilibrium.
Cheung, M., Cameron, R.
openaire   +3 more sources

Type‐III Solar Radio Bursts at Mars: A 16.5‐Year Catalog From Mars Express‐MARSIS at 0.1–5.5 MHz

open access: yesSpace Weather, Volume 24, Issue 10, October 2026.
Abstract The most intense radio feature in the Solar System are the solar Type‐III radio bursts, which are associated with electron beams that propagate along open magnetic field lines. Although solar radio bursts have been studied since the 1940s, observations remain mainly restricted within 1 AU.
Beatriz Sánchez‐Cano   +22 more
wiley   +1 more source

A High-resolution, Inversion-based Synoptic Study of Solar Granulation

open access: yesThe Astrophysical Journal
The convectively driven, weakly magnetized regions of the solar photosphere dominate the Sun’s surface at any given time, but the temporal variations of these quiet regions of the photosphere throughout the solar cycle are still not well known.
James W. Crowley   +3 more
doaj   +1 more source

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