Solar fine-scale structures. I. Spicules and other small-scale, jet-like events at the chromospheric level: observations and physical parameters

G Tsiropoula, K Tziotziou, I Kontogiannis… - Space science …, 2012 - Springer
Over the last two decades the uninterrupted, high resolution observations of the Sun, from
the excellent range of telescopes aboard many spacecraft complemented with observations …

Coupling from the photosphere to the chromosphere and the corona

S Wedemeyer-Böhm, A Lagg, Å Nordlund - Space Science Reviews, 2009 - Springer
The atmosphere of the Sun is characterized by a complex interplay of competing physical
processes: convection, radiation, conduction, and magnetic fields. The most obvious imprint …

The horizontal magnetic flux of the quiet-Sun internetwork as observed with the Hinode spectro-polarimeter

BW Lites, M Kubo, H Socas-Navarro… - The Astrophysical …, 2008 - iopscience.iop.org
Observations of very quiet Sun using the Solar Optical Telescope/Spectro-Polarimeter
(SOT/SP) aboard the Hinode spacecraft reveal that the quiet internetwork regions are …

Improved solar Lyman α irradiance modeling from 1947 through 1999 based on UARS observations

TN Woods, WK Tobiska, GJ Rottman… - Journal of …, 2000 - Wiley Online Library
The solar Lyman α radiation is the brightest solar vacuum ultraviolet (VUV: λ< 200 nm)
emission, and this radiation is deposited in Earth's atmosphere above 70 km. The Lyman α …

The sun and space weather

A Hanslmeier - Heliophysical Processes, 2010 - Springer
In this chapter we will briefly review the basic interactions between particles and magnetic
fields, the processes that occur on the Sun which are relevant for space weather as well as …

Dynamics of the solar chromosphere-III. Ultraviolet brightness oscillations from TRACE

JM Krijger, RJ Rutten, BW Lites, T Straus… - Astronomy & …, 2001 - aanda.org
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 …

A study of chromospheric oscillations using the SOHO and TRACE spacecraft

PG Judge, TD Tarbell, K Wilhelm - The Astrophysical Journal, 2001 - iopscience.iop.org
We analyze line and continuum time-series data of the solar atmosphere, with between 10
and 60 s cadence, using the MDI and SUMER instruments on the SOHO spacecraft and the …

Weak-field magnetogram calibration using Advanced Stokes Polarimeter flux density maps–II. SOHO/MDI full-disk mode calibration

TE Berger, BW Lites - Solar Physics, 2003 - Springer
Cotemporal Ni i 676.8 nm full-disk magnetograms from the Michelson Doppler
Interferometer (MDI) instrument on SOHO and the Advanced Stokes Polarimeter (ASP) are …

Three-dimensional non-LTE radiative transfer computation of the Ca 8542 infrared line from a radiation-MHD simulation

J Leenaarts, M Carlsson, V Hansteen… - The Astrophysical …, 2009 - iopscience.iop.org
The interpretation of imagery of the solar chromosphere in the widely used Ca ii 854.2 nm
infrared line is hampered by its complex, three-dimensional, and non-LTE formation …

Properties of shock waves in the quiet-Sun chromosphere

H Mathur, J Joshi, K Nagaraju… - Astronomy & …, 2022 - aanda.org
Context. Short-lived (100 s or less), sub-arcsec to a couple of arcsec sized features of
enhanced brightenings in the narrowband images at the H 2V and K 2V positions of the Ca II …