Results 51 to 60 of about 1,568 (212)
This paper describes an adaptation of the Optimally Localized Averaging (OLA) inversion technique, originally developed for geo- and helioseismological applications, to the interpretation of solar spectroscopic data.
Piyush Agrawal +2 more
doaj +1 more source
Helioseismology with long-range dark matter-baryon interactions [PDF]
Assuming the existence of a primordial asymmetry in the dark sector, we study how long-range dark matter (DM)-baryon interactions, induced by the kinetic mixing of a new U(1) gauge boson and a photon, affect the evolution of the Sun and, in turn, the ...
Lopes I., Panci P., Silk J.
core +2 more sources
The seismic study of the Sun and other stars offers a unique window into the interior of these stars. Thanks to helioseismology, we know the structure of the Sun to admirable precision. In fact, our knowledge is good enough to use the Sun as a laboratory.
Sarbani Basu
doaj +1 more source
A Spectral Solver for Solar Inertial Waves
Inertial waves, which are predominantly driven by the Coriolis force, likely play an important role in solar dynamics, and, additionally, they provide a window into the solar subsurface.
Jishnu Bhattacharya, Shravan M. Hanasoge
doaj +1 more source
Inversions of Stellar Structure From Asteroseismic Data
The advent of space-based photometry missions in the early 21st century enabled the application to asteroseismic data of advanced inference techniques until then restricted to the field of helioseismology.
Gaël Buldgen +6 more
doaj +1 more source
Image compression in local helioseismology
Context. Several upcoming helioseismology space missions are very limited in telemetry and will have to perform extensive data compression. This requires the development of new methods of data compression. Aims.
Gizon, Laurent +10 more
core +1 more source
Local Helioseismology Analyses with Hinode/SOT Datasets
The solar internal structure and dynamics have been probed by examining the oscillations of the Sun, or by “listening to the Sun”; helioseismology provides us with unique tools for these analyses.
Nagashima, K., Kaori Nagashima
core +1 more source
Ryugu reference project: Recommendations from the measurement definition team
Abstract Sample return missions play a significant role in planetary science by providing pristine extraterrestrial materials. JAXA's Hayabusa2 and NASA's OSIRIS‐REx missions have returned samples from the C‐type asteroids Ryugu and Bennu, respectively. The chemical and mineralogical compositions of these samples closely resemble those of CI chondrites,
Tetsuya Yokoyama +16 more
wiley +1 more source
Towards inertial-mode helioseismology: Direct sensing of solar rotation at 75° latitude and 0.8 R⊙
Context. Because solar global inertial modes are highly sensitive to differential rotation, they may provide new diagnostics of internal rotation at high latitudes, where acoustic-mode helioseismology provides only weak constraints. Aims.
Dey Prithwitosh +2 more
doaj +1 more source
Mapping the large-scale subsurface plasma flow profile within the Sun has been attempted using various methods for several decades. One such flow in particular is the meridional circulation, for which numerous studies have been published.
Aleczander Herczeg, Jason Jackiewicz
doaj +1 more source

