Results 81 to 90 of about 3,043 (224)
Dynamics of the solar chromosphere
, 2001 We analyze oscillations in the solar atmosphere using image sequences from the Transition Region and Coronal Explorer (TRACE) in three ultraviolet passbands which sample the upper solar photosphere and low chromosphere.
T. D. Tarbell +5 more
core +1 more source
Astronomy & AstrophysicsContext. These studies were carried out in the context of solar-chromosphere heating and solar-wind generation. Aims. We aim to explore granulation-generated, two-fluid waves and flows in the solar atmosphere permeated by a solar magnetic carpet. Methods.
Niedziela R. +2 more
doaj +1 more source
NOAA's National Centers for Environmental Information Space Weather Data Inventory Status
Space Weather, Volume 23, Issue 7, July 2025.Abstract We present here an updated overview of the Space Weather data curated and/or generated, improved, archived, and disseminated by the Solar Terrestrial Physics (STP) Section of the National Centers for Environmental Information (NCEI) in the National Oceanic and Atmospheric Administration (NOAA).
Alessandra Abe Pacini +2 more
wiley +1 more source
The tangential discontinuous surface of velocity in solar chromosphere
, 1991 The data of velocity and magnetic fields in the solar photosphere (5324 angstrom) and the chromosphere (4861 angstrom) clearly show the features of tangential discontinuity of velocity in the chromosphere.
HU, WR (reprint author), ACAD SINICA,INST MECH,BEIJING 100080,PEOPLES R CHINA. +3 more
core
Robust Statistical Techniques for Operational Maintenance of the 10.7 cm Solar Radio Flux
Space Weather, Volume 23, Issue 5, May 2025.Abstract The F10.7 solar radio flux is a critical quantity for operational space weather nowcasting and forecasting, where it is routinely used as a driver for coupled atmospheric models to estimate a variety of important quantities such as the neutral atmospheric density.
Daniel A. Brandt +2 more
wiley +1 more source
The emergence of magnetic flux through a partially ionised solar atmosphere [PDF]
, 2006 We present results from 2.5D numerical simulations of the emergence of magnetic flux from the upper convection zone through the photosphere and chromosphere into the corona. Certain regions of the solar atmosphere are at sufficiently low temperatures to be
J. E. Leake +3 more
core +1 more source
Heating of the solar chromosphere in a sunspot light bridge by electric currents
, 2021 Context. Resistive Ohmic dissipation has been suggested as a mechanism for heating the solar chromosphere, but few studies have established this association. Aims.
Debi P. Choudhary +4 more
core +1 more source
Solar flux emergence : a three-dimensional numerical study
, 2008 Flux is continually emerging on the Sun, making its way from the solar interior up into the atmosphere. Emergence occurs on small-scales in the quiet Sun where magnetic fragments emerge, interact and cancel and on large-scales in active regions where ...
Murray, Michelle J.
core
Identifying Plasma Fractionation Processes in the Chromosphere Using IRIS
The Astrophysical JournalThe composition of the solar corona differs from that of the photosphere, with the plasma thought to fractionate in the solar chromosphere according to the first ionization potential (FIP) of the different elements.
David M. Long +9 more
doaj +1 more source
The Bright Rim Prominences according to 2.5D Radiative Transfer
The Astrophysical Journal LettersSolar prominences observed close to the limb commonly include a bright feature that, from the perspective of the observer, runs along the interface between itself and the underlying chromosphere. Despite several idealized models being proposed to explain
Jack M. Jenkins +4 more
doaj +1 more source