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- California Institute of TechnologyUS70 papers
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4 papers · 2 filters
Fast inversion of solar Ca II spectra
C. Beck, D. Prasad Choudhary, R. Rezaei +1
We present a fast (<< 1 s per profile) inversion code for solar Ca II lines. The code uses an archive of spectra that are synthesized prior to the inversion under the assumption of…
Small-Scale and Global Dynamos and the Area and Flux Distributions of Active Regions, Sunspot Groups, and Sunspots: A Multi-Database Study
Andrés Muñoz-Jaramillo, Ryan R. Senkpeil, John C. Windmueller +12
In this work we take advantage of eleven different sunspot group, sunspot, and active region databases to characterize the area and flux distributions of photospheric magnetic stru…
A three-dimensional view of the thermal structure in a super-penumbral canopy
C. Beck, D. Prasad Choudhary, R. Rezaei
We investigate the thermal topology in a super-penumbral canopy by determining the 3D thermal structure of an active region. We derive the temperature stratifications in the active…
Heating Mechanisms for Intermittent Loops in Active Region Cores from AIA/SDO EUV Observations
A. C. Cadavid, J. K. Lawrence, D. J. Christian +2
We investigate intensity variations and energy deposition in five coronal loops in active region cores. These were selected for their strong variability in the AIA/SDO 94 Å intensi…