RHESSI Science Nuggets 100 to 199

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199 A huge gamma-ray burst
6 May 2013 by David Smith and André Csillaghy
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A wonderfully bright gamma-ray burst at Z = 0.34. Click the title to read more.
198 Three-phase life leads to corpulent X-ray loops
15 April 2013 by Natasha Jeffrey and Eduard Kontar
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RHESSI observations explore structural changes in flaring loops. Click the title to read more.
197 Antipodal Flares
1 April 2013 by B. Pecos and B. Paul
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Flares on a solar diameter suggest a new subatomic particle. Click the title to read more.
196 Observational evidence for breakout reconnection
18 March 2013 by Henry Aurass and Gordon Holman
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Coronal particle acceleration marks the eruption of a SEE. Click the title to read more.
195 Burst-on-Tail (BOT)
4 March 2013 by Alex Struminsky and Ivan Zimovets
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A "Burst-on-Tail" (BOT) phenomenon. Click the title to read more.
194 Electron re-acceleration and HXR emission
18 February 2013 by Heather Ratcliffe and Marian Karlický
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Can wave-particle interactions solve the electron number problem?. Click the title to read more.
193 Passages of Electron Beams
11 February 2013 by Bin Chen and Tim Bastian
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New VLA capability for imaging spectroscopy shows several remarkable features of type III bursts. Click the title to read more.
192 Kappa Distribution
21 January 2013 by Mitsuo Oka
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A simpler function fits both thermal and nonthermal RHESSI spectral ranges. Click the title to read more.
191 Hard X-ray Spikes Observed by RHESSI
7 January 2013 by Jiong Qiu
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New software allows RHESSI to study rapid time variations. Click the title to read more.
190 Flare Productivity
27 December 2012 by Hugh Hudson and Lyndsay Fletcher
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An anomalous change in flare productivity per active region. Click the title to read more.
189 FOXSI Success
27 December 2012 by Lindsay Glesener and Säm Krucker
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The FOXSI rocket soars, and a flare occurs on schedule. Click the title to read more.
188 "Impulse Response Flares" and Gamma Rays
13 November 2012 by Stephen White and Hugh Hudson
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A simplifying paradigm may describe acceleration to the highest energies in flares. Click the title to read more.
187 Glasgow Callisto optimistic: first light comes in focus
29 October 2012 by Heather Ratcliffe and Eduard Kontar
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The Glasgow Callisto radio observatory is on line. Click the title to read more.
186 Photospheric Temperature Gradient
22 October 2012 by Martin Fivian and Hugh Hudson
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RHESSI observes the photosphere with exquisite precision. Click the title to read more.
185 Energy Partition in Large Solar Eruptive Events
5 October 2012 by Gordon Emslie and Brian Dennis
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Where the flare energy comes from, and where it goes to.. Click the title to read more.
184 New TGFs Found in the RHESSI Data
10 September 2012 by Thomas Gjesteland and Nikolai Østgaard
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RHESSI sees many, many gamma-ray flashes from lightning. Click the title to read more.
183 The RHESSI Flare Catalog
29 August 2012 by Jim McTiernan and Hugh Hudson
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The Catalog is a powerful and easy-to-use access tool for the RHESSI flare observations. Click the title to read more.
182 RHESSI Catches Gamma-Ray Bursts
15 August 2012 by Jakub Ripa
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RHESSI catches gamma-ray bursts, and they come in three flavors. Click the title to read more.
181 Dense Loop Flares
6 August 2012 by Jingnan Guo and Gordon Emslie
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Direct electron mapping teaches us about the structure of electron acceleration in flares. Click the title to read more.
180 The Slowest Flare
23 July 2012 by Sam Freeland and Hugh Hudson
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A flare with an exceptionally slow rise phase, more than 5 hours in GOES 1-8 A soft X-rays. Click the title to read more.
179 Dimmings and Sustained Gamma-Ray Events
25 June 2012 by Hugh Hudson and Nicola Omodei
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Coronal disruptions reveal themselves as depletions and gamma-ray emissions. Click the title to read more.
178 Flare Nimbus
14 June 2012 by Susan McKenna-Lawlor
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The Flare Nimbus, its history and significance. Click the title to read more.
177 RHESSI and the Transit of Venus I
1 June 2012 by Hugh Hudson and Martin Fivian
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RHESSI prepares for the June 5/6 Venus transit. Click the title to read more.
176 Time Profiles of Solar Flare Densities
21 May 2012 by Ryan Milligan and Michael Kennedy
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Density-diagnostic line ratios in EVE spectra. Click the title to read more.
175 Solar energetic electron events over one solar cycle
7 May 2012 by Linghua Wang
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The statistics of SEP electrons. Click the title to read more.
174 A Shocking Type II
30 April 2012 by Hazel Bain, Säm Krucker and Lyndsay Glesener
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The properties of global coronal waves sorted out. Click the title to read more.
173 RHESSI and IRIS
16 April 2012 by Hugh Hudson
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Flare gold at the foot of the rainbow. Click the title to read more.
172 A New Day Dawns
26 March 2012 by Dale Gary
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Soon, true microwave imaging spectroscopy. Click the title to read more.
171 An Fe Cascade
12 March 2012 by Hugh Hudson
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Iron everywhere in the EVE spectra. Click the title to read more.
170 Do slow waves trigger pulsations in two-ribbon flares? An observational search‎
27 February 2012 by A. Inglis and B. Dennis
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Slow waves, QPPs, and hard X-rays. Click the title to read more.
169 RHESSI's Tenth Anniversary
15 February 2012 by B. Dennis and R. Lin
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On RHESSI's tenth, a top-ten discovery list. Click the title to read more.
168 Supra-Arcade Downflows
23 January 2012 by S. Savage and D. McKenzie
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A re-interpretation of the famous SAD tadpoles. Click the title to read more.
167 Flare Observations of the EUV Continua
16 January 2012 by R. Milligan
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The flare EUV continua now routinely observed. Click the title to read more.
166 No Hard X-rays from Comet Lovejoy
19 December 2011 by H. Hudson and P. Saint-Hilaire
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An amazing sungrazing comet, but not detectable at high energies. Click the title to read more.
165 Modelling spatially resolved X-ray polarization
12 December 2011 by N. Jeffrey and E. Kontar
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Spatial distribution of X-ray polarization, and its implications. Click the title to read more.
164 Slowly but surely towards the huge amount of energy II
28 November 2011 by S. Kołomański and T. Mrozek
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Analysis of the huge energies of loop-top sources in flares. Click the title to read more.
163 X-ray and H-alpha Flare Impulses
14 November 2011 by K. Radziszewski and P. Rudawy
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Strikingly precise correlations of H-alpha kernels and hard X-ray bursts. Click the title to read more.
162 Slowly but surely towards the huge amount of energy I
31 October 2011 by Urszula Bąk-Stęślicka and Tomasz Mrozek, Sylwester Kołomański
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The energetics of "slow LDEs". Click the title to read more.
161 Quasi-Periodic Pulsations: Fermi/GBM Results
24 October 2011 by David Gruber and Pawel Lachowicz
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Dealing with red noise. Click the title to read more.
160 A Flare in 3D
10 October 2011 by Hugh Hudson and Juan Carlos Martinez Oliveros
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Solar astrometry in 3D. Click the title to read more.
159 Solar Max Arrives
28 September 2011 by Hugh Hudson and Richard Schwartz
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Seven X-class flares already in 2011. Click the title to read more.
158 Two-stage SEE Shows Reconnection
8 September 2011 by Yang Su and Brian Dennis
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Reconnection late in a flare. Click the title to read more.
157 Scattered Light: Inverse Compton Scattering and Coronal Hard X-ray Sources
17 August 2011 by B. Chen and T. S. Bastian
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Inverse Compton radiation - gaining momentum. Click the title to read more.
156 X-ray, EUV & WL emission heights observed by RHESSI & SDO
24 July 2011 by Marina Battaglia and Eduard Kontar
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A first - the relative height of hard X-ray and white-light flare sources. Click the title to read more.
155 Hard X-rays and Sympathy
13 July 2011 by Hugh Hudson
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A hard X-ray spike elicits a sympathetic response. Click the title to read more.
154 Suzaku Microflares
30 June 2011 by S. Ishikawa
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Microflares too have powerful particle acceleration. Click the title to read more.
153 Acceleration without Heating
13 June 2011 by G. Fleishman & E. Kontar
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Strong hard X-rays and weak soft X-rays - breaking the paradigm?. Click the title to read more.
152 DIY spectroscopy: Analyzing AIA diffraction patterns
30 May 2011 by C. L. Raftery & S. Krucker
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Imaging spectroscopy in the EUV, at AIA resolution. Click the title to read more.
151 EVE/ESP and the Neupert Effect
9 May 2011 by H. Hudson
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The Neupert Effect works, sort of, in a limb gamma-ray flare. Click the title to read more.
150 Decimetric pulsations and coronal X-ray sources
18 April 2011 by A. Benz, M. Battaglia, and N. Vilmer
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Radio pulsations may illuminate a strongly non-radial current sheet. Click the title to read more.
149 The Alfven Speed above a Sunspot, and Gamma-rays
12 April 2011 by H. Hudson and L. Fletcher
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Flare effects in sunspot umbrae. Click the title to read more.

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148 Slow Magnetoacoustic Waves in Two-Ribbon Flares
17 March 2011 by V. Nakariakov and I. Zimovets
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Wave dynamics explains arcade development. Click the title to read more.
147 First Sunquake of Solar Cycle 24 Observed by Solar Dynamics Observatory
7 March 2011 by A. G. Kosovichev
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An X-class flare - and a sunquake. Click the title to read more.
146 M is for Magnifique Part Deux
22 February 2011 by Steven Christe and Andrew Inglis
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A type II radio burst but no CME and introducing a new way to search for waves in SDO. (CORRECTION There is a CME!). Click the title to read more.
145 At last, the EUV Spectrum
8 February 2011 by Hugh Hudson
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The main flare radiated energy is not in the EUV. Click the title to read more.
144 Black and White Flares
24 January 2011 by Juan Carlos Martinez Oliveros and Charles Lindsey
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HMI sees a black-light flare (?). Click the title to read more.
143 The Flares of the RHESSI Monograph
11 January 2011 by Hugh Hudson and Gordon Emslie
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The top ten RHESSI flares thus far. Click the title to read more.
142 Brilliant Timing
20 December 2010 by Säm Krucker and Hugh Hudson
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Hinode and RHESSI observations strain the credibility of the thick-target model. Click the title to read more.
141 M is for Magnifique
6 December 2010 by Steven Christe and Andrew Inglis
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RHESSI and SDO see a remarkable flare. Click the title to read more.
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