Results 81 to 90 of about 1,347 (224)

Comprehensive Synthesis of Magnetic Tornado: Cospatial Incidence of Chromospheric Swirls and Extreme-ultraviolet Brightening

open access: yesThe Astrophysical Journal Letters
Magnetic tornadoes, characterized as impulsive Alfvén waves initiated by photospheric vortices in intergranular lanes, are considered efficient energy channels to the corona.
Hidetaka Kuniyoshi   +2 more
doaj   +1 more source

mxCSM: A 100-slit, 6-wavelength wide-field coronal spectropolarimeter for the study of the dynamics and the magnetic fields of the solar corona

open access: yesFrontiers in Astronomy and Space Sciences, 2016
remendous progress has been made in the field of observational coronal magnetometry in the first decade of the 21st century. With the successful construction of the Coronal Multichannel Magnetometer (CoMP) instrument, observations of the linear ...
Haosheng eLin
doaj   +1 more source

Polarization vision and the physiological basis for trichromatic vision in Philaenus spumarius: Understanding host‐seeking behaviour in insect vectors for Xylella fastidiosa control

open access: yesAnnals of Applied Biology, Volume 188, Issue 2, Page 503-519, March 2026.
We investigated the role of vision in host‐seeking behaviour by Philaenus spumarius, the main European vector of Xylella fastidiosa, through an integrated anatomical, optical, physiological, and behavioural study. Our data highlight that the spittlebug uses visual cues, including polarized light, which may aid in detecting the polarized reflections ...
Domen Lazar   +4 more
wiley   +1 more source

Near-Sun Characteristics of a CME Inferred from Observations in the 5303 Å Coronal Emission Line

open access: yesThe Astrophysical Journal
Using observations of the solar corona in the 5303 Å (Fe XIV ) emission line with the Visible Emission Line Coronagraph (VELC) on board Aditya-L1, we estimated the electron density ( N _e ), thermal energy ( E _CME ), and mass ( M _CME ) of a coronal ...
V. Muthu Priyal   +4 more
doaj   +1 more source

PERIODIC SPECTRAL LINE ASYMMETRIES IN SOLAR CORONAL STRUCTURES FROM SLOW MAGNETOACOUSTIC WAVES

open access: yesThe Astrophysical Journal, 2010
Recent spectral observations of upward moving quasi-periodic intensity perturbations in solar coronal structures have shown evidence of periodic line asymmetries near their footpoints. These observations challenge the established interpretation of the intensity perturbations in terms of propagating slow magnetoacoustic waves.
Verwichte, E.   +6 more
openaire   +2 more sources

Identifying Coronal Sources of L1 Solar Wind Disturbances Using the Fisk Heliospheric Magnetic Field and Potential Field Extrapolations during Three Solar Minima

open access: yesThe Astrophysical Journal
The solar minima between solar cycles 22–23, 23–24, and 24–25 are the best observed minima on record. In situ solar wind and interplanetary magnetic field measurements by the Wind and ACE spacecraft at L1 with 1 hr cadence are explored using wavelet ...
P. J. Steyn   +3 more
doaj   +1 more source

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