First airborne measurements with a g-band differential absorption radar

RJ Roy, KB Cooper, M Lebsock, JV Siles… - … on Geoscience and …, 2021 - ieeexplore.ieee.org
… real-time system noise floor characterization and subtraction for … airborne platform motion
of 80 ms −1 , the aircraft-motion-… points at near-nadir incidence that likely correspond to bright

Horizontal motions in sunspot penumbrae

M Sobotka, KG Puschmann - Astronomy & Astrophysics, 2022 - aanda.org
… penumbral border, and G-band bright points are measured in … intensity, I phot , of a quiet
granulation area near the spot to … optics, these values characterise the spatial resolution in the …

Observational evidence for two-component distributions describing solar magnetic bright points

GB Saavedra, D Utz, SV Domínguez, JIC Rozo… - Astronomy & …, 2022 - aanda.org
… Figure 1 (left panels) shows the corresponding FOV (in G-band images) for dataset-G and …
In order to characterise the dynamics of the MBPs in the photosphere in quiet Sun regions, this …

The motions of photospheric bright points

Y Liu, Y Niu, D He, G Fang - New Astronomy, 2024 - Elsevier
… The data were observed in very quiet Sun close to disk center, and internetwork features
with a few isolated network regions were included. The alignment between the SuFI data and …

Stellar surface information from the Ca ii H&K lines – I. Intensity profiles of the solar activity components

M Cretignier, AGM Pietrow… - Monthly Notices of the …, 2024 - academic.oup.com
… (>8 millionth of solar hemisphere MSH), bright, continuous … obtained on the Sun to better
characterize the stellar activity … Having corrected for the CLV of the quiet Sun I quiet (λ, μ), we …

Cause and Effect: Stellar Convection Studied Through Flickering Brightness, and the Convectively-Driven Motions of Solar Bright Points

SJ Van Kooten - 2021 - search.proquest.com
bright points, G-band bright points, magnetic bright points, or … of wave-based heating of the
quiet-Sun corona. This will be the … of a sample of such events supports this characterization. …

Spectropolarimetric fluctuations in a sunspot chromosphere

M Stangalini, D Baker, G Valori… - … of the Royal …, 2021 - royalsocietypublishing.org
… The focal point of our investigation is the wavelet analysis of the CP and intensity signals
at each pixel in our field of view (FoV). The signals associated with MHD waves can be highly …

A chromospheric resonance cavity in a sunspot mapped with seismology

DB Jess, B Snow, SJ Houston, GJJ Botha, B Fleck… - Nature …, 2020 - nature.com
… , not overlapping with penumbra or quiet Sun structures). The … active region NOAA 12565 at
G-band, blue continuum (4170 Å… umbral region for further characterization, in addition to the …

Chromospheric waves and their contribution to heating of the atmosphere

V Abbasvand Azar - 2022 - dspace.cuni.cz
… The G-band images depict the solar photosphere that lies … Semi-empirical models, as earlier
mentioned, characterize the … our observations – quiet Sun (left) and bright chromospheric …

Vortex motions in the solar atmosphere: Definitions, theory, observations, and modelling

K Tziotziou, E Scullion, S Shelyag, O Steiner… - Space Science …, 2023 - Springer
… Å spectral line of a quiet Sun region inside a coronal hole. These swirls feature dark and …
-magnetic bright point, similar to but weaker than in the case of a magnetic bright point. First …