RHESSI Science Nuggets

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Welcome to the RHESSI Science Nuggets: science notes from RHESSI. The following is a time-ordered list of the latest Nuggets added to the wiki. An alphabetical list of wiki Nuggets is also available as well as yearly lists. If you are looking for older Nuggets than please visit the original series of RHESSI Science Nuggets and use the search facilities there; for this new series of Nuggets in the Wiki format, use your browser's search facility for title words or authors. We welcome volunteer authors - please see our page of help for authors.

315 Parameterized Flare Models with Chromospheric Compressions
17 January 2018 by Adam Kowalski & Joel Allred
A new approach to modeling the lower flare atmosphere. Click the title to read more.
314 A Curious Sunspot Group in 2018
14 January 2018 by Hugh Hudson
The first new sunspot group of 2018 emerged at the wrong latitude. Click the title to read more.
313 Tecumseh's Eclipse and Astrophysics
25 December 2017 by Hugh Hudson
The solar corona was first recognized as such, and named, in an eclipse of 1806. Click the title to read more.
312 Hunting for Hidden Tiny Flares
27 November 2017 by Shin-nosuke ISHIKAWA
FOXSI-2 says that episodic energy releases are still viable as a part of the coronal heating problem.. Click the title to read more.
311 Unusual Type III Burst Dynamics Produced by Diverging Magnetic Fields
20 November 2017 by Patrick McCauley
Unusual type III bursts follow coronal separatrix structures.. Click the title to read more.
310 Valderrama in the 21st Century
31 October 2017 by Hugh Hudson
A newly-described white-light flare from the 19th century!... Click the title to read more.
309 Electron Scattering in the Flaring Corona
24 October 2017 by Sophie Musset
Diffusive transport may contribute to the trapping of electrons in coronal X-ray sources. Click the title to read more.
308 The Power of Turbulence
25 September 2017 by Nic Bian
Turbulent energy content may underlie flare energy transfer, magnetic reconnection, and particle acceleration. Click the title to read more.
307 The Kelvin Force and Loop-Top Concentration
18 September 2017 by Kiyoto SHIBASAKI
New physics can explain the perplexing overpressure at the flare looptop regions. Click the title to read more.
306 The Last Best Flare of Cycle 24?
11 September 2017 by Säm Krucker and Hugh Hudson
Right on schedule, Cycle 24 has produced a great flare (with a GLE). Click the title to read more.
305 Electric Current Neutralization and Solar Eruption in Active Regions
28 August 2017 by Yang LIU
Active current systems in the solar corona don't have return currents. Click the title to read more.
304 RHESSI and the Megamovie
31 July 2017 by Hugh Hudson, Laura Peticolas, and Juan Carlos Martínez Oliveros
A wholly new way to view a solar eclipse, and to do solar astrometry. Click the title to read more.
303 Bastille Day 2017
24 July 2017 by Hugh Hudson and Säm Krucker
Interesting flares really do happen on Bastille Day.... Click the title to read more.
302 The Solar X-ray Limb III
12 June 2017 by Marina Battaglia and Gordon Hurford
RHESSI succeeds with a wholly new way to measure the solar diameter. Click the title to read more.
301 Double Coronal X-ray and Microwave Sources Associated With A Magnetic Breakout Solar Eruption
29 May 2017 by Yao CHEN
A different explanation of the double coronal hard X-ray sources. Click the title to read more.
300 A Lasso Model for Solar Gamma-ray Events
15 May 2017 by Hugh Hudson
A toy model hoping to explain the SEP/LAT relationship. Click the title to read more.

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