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19912026
Showing 2026 · astro-ph.SRShow all

5 papers · 2 filters

astro-ph.SR2026

The relationship between solar and stellar tachoclines, dynamos, and spin-down

Loren I. Matilsky, Lydia Korre, Nicholas Brummell

The solar tachocline, a thin shear layer separating the differentially rotating convective zone (CZ) from the underlying rigidly rotating radiative zone (RZ), remains a dynamical m…

astro-ph.SR2026

A Statistical Survey of Faint Solar X-ray Transients Observed by NuSTAR

Reed B. Masek, Lindsay Glesener, Jessie Duncan +14

In this paper, we use a highly sensitive telescope to characterize solar X-ray transients ranging from microflares in active regions down to weakly energetic brightenings in the qu…

astro-ph.SR2026

Joint Diagnostics of Circumsolar Sky Brightness Using Coronagraphic Measurements and Aerosol Optical Inversions at Mauna Loa

Thomas A. Schad, Paul Bryans, Andre Fehlmann +5

Atmospheric aerosols strongly influence daytime sky quality for solar coronal imaging, yet few studies directly link aerosol properties and sky-brightness measurements within ~2° o…

astro-ph.SR2026★ 1 cited

Quiet Sun impulsive events observed with NuSTAR during solar minimum

Sarah Paterson, Iain G. Hannah, Brian W. Grefenstette +6

The investigation of small-scale energy release in the Sun's atmosphere is important in understanding how the corona is heated. Previous work has been able to study small EUV and S…

astro-ph.SR2026

Featureless stars: Flux Calibration for Extremely Large Telescopes

Ryan Cooke, Nao Suzuki, J. Xavier Prochaska

The spectrophotometric flux calibration of recent spectroscopic surveys has reached a limiting systematic precision of approximately 1-3 percent, and is often biased near the wavel…