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The quiet sun at mm wavelengths as seen by ALMA
Frontiers in Astronomy and Space Sciences, 2022 Solar observations at sub-mm, mm and cm wavelengths offer a straightforward diagnostic of physical conditions in the solar atmosphere because they yield measurement of brightness temperature which, for optically thick features, equals intrinsic ...
Roman Brajša, T S Bastian
exaly +5 more sources
Quiet Sun magnetic fields: an observational view
Living Reviews in Solar Physics, 2019 The quiet Sun is the region of the solar surface outside of sunspots, pores, and plages. In continuum intensity it appears dominated by granular convection.
David Orozco Suarez
exaly +4 more sources
Study of Radio Transients from the Quiet Sun during an Extremely Quiet Time
The Astrophysical Journal, 2023 In this work, we study a class of recently discovered meter-wave solar transients referred to as Weak Impulsive Narrowband Quiet Sun Emission (WINQSEs).
Surajit Mondal +2 more
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Photospheric Swirls in a Quiet-Sun Region
The Astrophysical JournalSwirl-shaped flow structures have been observed throughout the solar atmosphere, in both emission and absorption, at different altitudes and locations, and are believed to be associated with magnetic structures. However, the distribution patterns of such
Quan Xie +4 more
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Ubiquitous quiet-Sun jets [PDF]
Astronomy and Astrophysics, 2011 IMaX/Sunrise has recently reported the temporal evolution of highly dynamic and strongly Doppler shifted Stokes V signals in the quiet Sun. We attempt to identify the same quiet-Sun jets in the Hinode spectropolarimeter (SP) data set. We generate combinations of linear polarization magnetograms with blue- and redshifted far-wing circular polarization ...
José Carlos del Toro Iniesta +2 more
exaly +3 more sources
Placing limits on long-term variations in quiet-Sun irradiance and their contribution to total solar irradiance and solar radiative forcing of climate [PDF]
Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2020 William Ball, Mike Lockwood
exaly +2 more sources
Solar-cycle and Latitude Variations in the Internetwork Magnetism
The Astrophysical Journal, 2023 The importance of the quiet-Sun magnetism is that it is always there to a greater or lesser extent, being a constant provider of energy, independently of the solar cycle phase. The open questions about the quiet-Sun magnetism include those related to its
J. C. Trelles Arjona +2 more
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MAGNETIC LOOPS IN THE QUIET SUN [PDF]
The Astrophysical Journal, 2010 accepted for ApJL Sunrise special issue, 8 Pages, 4 ...
Wiegelmann, T. +11 more
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The Astrophysical Journal, 2023 The quiet Sun, i.e., in its nonflaring state or nonflaring regions, emits thermal radiation from radio to ultraviolet. The quiet Sun also produces nonthermal radiation observed in gamma rays due to interactions of Galactic cosmic rays (GCRs) with the ...
Elena Orlando +2 more
doaj +1 more source
MAGNETIC BRIGHT POINTS IN THE QUIET SUN [PDF]
The Astrophysical Journal, 2010 We present a visual determination of the number of bright points (BPs) existing in the quiet Sun, which are structures though to trace intense kG magnetic concentrations. The measurement is based on a 0.1 arcsec angular resolution G-band movie obtained with the Swedish Solar Telescope at the solar disk center.
Sanchez Almeida, J +3 more
openaire +4 more sources