63. Can a single active region change the course of the solar cycle?
by Anthony Yeates (Durham) and Deb Baker, Lidia van Driel-Gesztelyi (UCL/MSSL)
Active regions with extreme tilt could limit the predictability of solar activity.
http://www.uksolphys.org/?p=10693
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
UKSP Nuggets are published on a monthly basis highlighting solar physics research led from the UK.
http://www.uksolphys.org/uksp-nuggets
Iain Hannah and Lyndsay Fletcher
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Dr. Iain G. Hannah
Royal Society Research Fellow,
Astronomy & Astrophysics Group,
SUPA School of Physics & Astronomy,
Kelvin Building,
University of Glasgow,
Glasgow, UK, G12 8QQ
Web: http://www.astro.gla.ac.uk/~iain/
Eml: iain.hannah(a)glasgow.ac.uk<mailto:iain.hannah@glasgow.ac.uk>
Tel: +44 (0)141 330 6427
Fax: +44 (0)141 330 5183
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
MAX MILLENNIUM NEWS
11 November 2015
CONTENTS
1. E-PRINTS POSTED IN THE PAST WEEK
2. FROM THE EDITOR
=====================================================================
1. E-PRINTS POSTED IN THE PAST WEEK
===================================
> http://solar.physics.montana.edu/cgi-bin/eprint/default_page.pl
Numerical Study on Emergence of Kinked Flux Tube for Understanding
of Possible Origin of Delta-spot Regions
-- Shinsuke Takasao, Yuhong Fan, Mark C. M. Cheung, and Kazunari Shibata
A Comparison Study of a Solar Active-Region Eruptive Filament and
a Neighboring Non-Eruptive Filament
-- Chaowei Jiang, S. T. Wu, Xueshang Feng, Qiang Hu
Testing a Solar Coronal Magnetic Field Extrapolation Code with
the Titov-Demoulin Magnetic Flux Rope Model
-- Chaowei Jiang, Xueshang Feng
UFCORIN: A Fully Automated Predictor of Solar Flares in GOES
X-Ray Flux
-- Takayuki Muranushi, Takuya Shibayama, Yuko Hada Muranushi,
Hiroaki Isobe, Shigeru Nemoto, Kenji Komazaki, Kazunari Shibata
Trigger of a blowout jet in a solar coronal mass ejection associated
with a flare
-- Xiaohong Li, Shuhong Yang, Huadong Chen, Ting Li, Jun Zhang
Prediction of Solar Flare Size and Time-to-Flare Using Support
Vector Machine Regression
-- Boucheron, L.E., Al-Ghraibah, A., McAteer, R.T.J.
Multi-thermal representation of the kappa-distribution of solar
flare electrons and application to simultaneous X-ray and EUV
observations
-- Marina Battaglia, Galina Motorina, Eduard P. Kontar
2. FROM THE EDITOR
==================
The Max Millennium program exists to enhance all aspects of solar
activity research. If you have news that is of broad interest to that
community, feel free to send your message to the MMScience e-mail
list:
http://solar.physics.montana.edu/max_millennium/mmlists.shtml
Address questions to canfield at physics.montana.edu
No. 264, “How to better determine the power in non-thermal electrons from observed X-ray spectra,” by Eduard Kontar et al.: Incorporation of energy diffusion for electron transport helps to understand flare energetics.
No. 263, “Soft and Hard X-rays, Flares, and the Corona,” by Hugh Hudson: Behavior of the X-ray Sun at low activity levels.
See
http://sprg.ssl.berkeley.edu/~tohban/wiki/index.php/RHESSI_Science_Nuggets
listing the current series, 2008-present, and
http://sprg.ssl.berkeley.edu/~tohban/nuggets/
for the original series, 2005-2008.
We publish these at roughly two-week intervals and welcome contributions,
which should be related, at least loosely, to RHESSI science.
MAX MILLENNIUM NEWS
04 November 2015
CONTENTS
1. E-PRINTS POSTED IN THE PAST WEEK
2. FROM THE EDITOR
=====================================================================
1. E-PRINTS POSTED IN THE PAST WEEK
===================================
> http://solar.physics.montana.edu/cgi-bin/eprint/default_page.pl
Charge exchange in fluid description of partially ionized plasmas
-- J. Vranjes, M. Kono, M. Luna
Mg II Lines Observed during the X-class Flare on 29 March 2014 by
the Interface Region Imaging Spectrograph
-- W. Liu, P. Heinzel, L. Kleint, J. Kasparova
Differential Emission Measure and Electron Distribution Function
Reconstructed from RHESSI and SDO Observations
-- G.G. Motorina and E. P. Kontar
Heartbeat of the Sun from Principal Component Analysis and prediction
of solar activity on a millennium timescale
-- Zharkova V.V., Shepherd S.J., Popova E., Zharkov S.I.
Dynamical small-scale magnetic islands as a source of local
acceleration of particles in the solar wind
-- O. V. Khabarova, G. P. Zank, G. Li, J. A. le Roux, G. M.Webb,
A. Dosch, O. E. Malandraki, Zharkova V.V.
Particle acceleration in 3D single current sheets formed in the solar
corona and heliosphere: PIC approach
-- Zharkova V.V. and Siversky T.
Energy in density gradient
-- J. Vranjes, M. Kono
Alfven wave coupled with flow-driven fluid instability in
interpenetrating plasmas
-- J. Vranjes
High-temperature differential emission measure and altitude
variations in the temperature and density of solar flare coronal
X-ray sources
-- Natasha Jeffrey, Eduard Kontar & Brian Dennis
Flare Footpoint Regions and a Surge Observed by the Hinode/EUV
Imaging Spectrometer (EIS), RHESSI, and SDO/AIA
-- George A. Doschek, Harry P. Warren, Brian R. Dennis, Jeffrey
W. Reep, Amir Caspi
Kinetic model of force-free current sheets with non-uniform
temperature
-- D. Y. Kolotkov, I. Y. Vasko, and V. M. Nakariakov
2. FROM THE EDITOR
==================
The Max Millennium program exists to enhance all aspects of solar
activity research. If you have news that is of broad interest to that
community, feel free to send your message to the MMScience e-mail
list:
http://solar.physics.montana.edu/max_millennium/mmlists.shtml
Address questions to canfield at physics.montana.edu
MAX MILLENNIUM NEWS
28 October 2015
CONTENTS
1. E-PRINTS POSTED IN THE PAST WEEK
2. FROM THE EDITOR
=====================================================================
1. E-PRINTS POSTED IN THE PAST WEEK
===================================
> http://solar.physics.montana.edu/cgi-bin/eprint/default_page.pl
Kinetic model of force-free current sheets with non-uniform
temperature
-- D. Y. Kolotkov, I. Y. Vasko, and V. M. Nakariakov
Dynamics of coronal rain and descending plasma blobs in solar
prominences: II. Partially ionized case
-- Oliver, R., Soler, R., Terradas, J., Zaqarashvili, T. V.
CORONAL RAIN IN MAGNETIC ARCADES: REBOUND SHOCKS, LIMIT CYCLES,
AND SHEAR FLOWS
-- X. Fang, C. Xia, R. Keppens, and T. Van Doorsselaere
Modeling of Reflective Propagating Slow-mode Wave in a Flaring Loop
-- X. Fang, D. Yuan, T. Van Doorsselaere, R. Keppens, and C. Xia
Fast magnetoacoustic wave trains of sausage symmetry in cylindrical
waveguides of the solar corona
-- S. Shestov, V. M. Nakariakov, S. Kuzin
Dynamo in the outer heliosheath: Necessary conditions
-- E.S. Belenkaya
The Relation between Solar Eruption Topologies and Observed Flare
Features II: Dynamical Evolution
-- A. Savcheva, E. Pariat, S. McKillop, P. McCauley, E. Hanson, Y. Su,
& E. DeLuca
2. FROM THE EDITOR
==================
The Max Millennium program exists to enhance all aspects of solar
activity research. If you have news that is of broad interest to that
community, feel free to send your message to the MMScience e-mail
list:
http://solar.physics.montana.edu/max_millennium/mmlists.shtml
Address questions to canfield at physics.montana.edu
MAX MILLENNIUM NEWS
21 October 2015
CONTENTS
1. E-PRINTS POSTED IN THE PAST WEEK
2. FROM THE EDITOR
=====================================================================
1. E-PRINTS POSTED IN THE PAST WEEK
===================================
> http://solar.physics.montana.edu/cgi-bin/eprint/default_page.pl
How important are electron beams in driving chromospheric evaporation
in the 2014 March 29 flare?
-- Marina Battaglia, Lucia Kleint, Sam Krucker, David Graham
Evolution of solar active regions: Detecting the emergence of new
magnetic field through multifractal segmentation
-- A. A. Golovko and I. I. Salakhutdinova
Filament Shape and Coronal Magnetic Field Structure
-- B. Filippov
SOLAR RADIUS VARIATIONS: AN INQUISITIVE WAVELENGTH DEPENDENCE
-- Rozelot, J.P., Kosovichev, A., Kilcik, A
2. FROM THE EDITOR
==================
The Max Millennium program exists to enhance all aspects of solar
activity research. If you have news that is of broad interest to that
community, feel free to send your message to the MMScience e-mail
list:
http://solar.physics.montana.edu/max_millennium/mmlists.shtml
Address questions to canfield at physics.montana.edu
NoRH Science Nuggets
The International Consortium for the Continued Operation of Nobeyama
Radioheliograph (ICCON, http://hinode.stelab.nagoya-u.ac.jp/ICCON/) is
pleased to announce the start of a series of Nobeyama Radioheliograph
(NoRH) Science Nuggets.We welcome submission of papers using NoRH data
and more broadly papers on solar radio astronomy, solar physics, and
related fields.We wish to keep the spirit of Nuggets, “a solid lump;
especially: a native lump of precious metal
(http://www.merriam-webster.com/dictionary/nugget)” and the nugget
papers need to be short and succinct.Please send them in the form of
.pdf to the editors, shibasaki.kiyoto@CCNW and masuda@STEL (CCNW:
md.ccnw.ne.jp, STEL: stelab.nagoya-u.ac.jp).
Kiyoto Shibasaki, Dr.
Solar Physics Research Inc.
Matsushin 2-24
Kasugai, 486-0931, Japan
Satoshi Masuda, Dr.
Institute for Space-Earth Environmental Research
(former Solar Terrestrial Environment Laboratory)
Nagoya University
Furo-cho, Chikusa-ku
Nagoya, 464-8601, Japan
--
-----------------------------------
Kiyoto Shibasaki
Solar Physics Research Inc.
shibasaki.kiyoto(a)md.ccnet.ne.jp
-----------------------------------
MAX MILLENNIUM NEWS
15 October 2015
CONTENTS
1. E-PRINTS POSTED IN THE PAST WEEK
2. FROM THE EDITOR
=====================================================================
1. E-PRINTS POSTED IN THE PAST WEEK
===================================
> http://solar.physics.montana.edu/cgi-bin/eprint/default_page.pl
Thermosphere and geomagnetic response to interplanetary coronal mass
ejections observed by ACE and GRACE: Statistical results
-- S. Krauss, M. Temmer, A.M. Veronig, O. Baur, H. Lammer
Electric current filamentation at a non-potential magnetic
null-point due to pressure perturbation
-- P. Jelinek, M. Karlicky, K. Murawski
Evidence of thermal conduction suppression in hot coronal loops:
Supplementary results
-- Tongjiang Wang, Leon Ofman, Xudong Sun, Elena Provornikova,
Joseph M. Davila
IRIS Si IV line profiles: An indication for the plasmoid instability
during small-scale magnetic reconnection on the Sun
-- Davina Innes, LiJia Guo, YiMin Huang, Amitava Bhattacharjee
2. FROM THE EDITOR
==================
The Max Millennium program exists to enhance all aspects of solar
activity research. If you have news that is of broad interest to that
community, feel free to send your message to the MMScience e-mail
list:
http://solar.physics.montana.edu/max_millennium/mmlists.shtml
Address questions to canfield at physics.montana.edu
MAX MILLENNIUM NEWS
07 October 2015
CONTENTS
1. E-PRINTS POSTED IN THE PAST WEEK
2. FROM THE EDITOR
=====================================================================
1. E-PRINTS POSTED IN THE PAST WEEK
===================================
> http://solar.physics.montana.edu/cgi-bin/eprint/default_page.pl
Thresholded Power Law Size Distributions of Instabilities in
Astrophysics
-- Markus J. Aschwanden
2D MHD and 1D HD models of a solar flare - a comprehensive
comparison of the results
-- R. Falewicz, P. Rudawy, K. Murawski, A. K. Srivastava
Large-scale Globally Propagating Coronal Waves
-- Alexander Warmuth
The appearance, motion, and disappearance of three-dimensional
magnetic null points
-- Nicholas A. Murphy, Clare E. Parnell, and Andrew L. Haynes
2. FROM THE EDITOR
==================
The Max Millennium program exists to enhance all aspects of solar
activity research. If you have news that is of broad interest to that
community, feel free to send your message to the MMScience e-mail
list:
http://solar.physics.montana.edu/max_millennium/mmlists.shtml
Address questions to canfield at physics.montana.edu
MAX MILLENNIUM NEWS
30 September 2015
CONTENTS
1. E-PRINTS POSTED IN THE PAST WEEK
2. FROM THE EDITOR
=====================================================================
1. E-PRINTS POSTED IN THE PAST WEEK
===================================
> http://solar.physics.montana.edu/cgi-bin/eprint/default_page.pl
Spectroscopic observations and modelling of impulsive Alfven
waves along a polar coronal jet
-- P. Jelinek, A. K. Srivastava, K. Murawski, P. Kayshap and
B. N. Dwivedi
A Circular-ribbon Solar Flare Following an Asymmetric Filament
Eruption
-- Chang Liu, Na Deng, Rui Liu, Jeongwoo Lee, Etienne Pariat,
Thomas Wiegelmann, Yang Liu, Lucia Kleint, Haimin Wang
Investigation of Umbral Dots with the New Vacuum Solar Telescope
-- Kaifan Ji, Xia Jiang, Song Feng, Yunfei Yang, Hui Deng, Feng Wang
Cut-off period for slow magnetoacoustic waves in coronal plasma
structures
-- A.N. Afanasyev, V. M. Nakariakov
Flare processes evolution and polarization changes of fine structures
of solar radio emission in the April 11, 2013 event
-- Gennady Chernov, Robert Sych, Baolin Tan, Yihua Yan, Chengming
Tan, Qijun Fu, Marian Karlicky and Valery Fomichev
Model of Local Oscillations in Sunspots
-- Yu. D. Zhugzhda and R.A.Sych
Sunspot waves and flare energy release
-- R. Sych, M. Karlicky, A. Altyntsev, J. Dudik and L. Kashapova
MHD waves in sunspots
-- Robert Sych
Magnetic Reconnection Rates and Energy Release in a Confined X-class
Flare
-- Astrid M. Veronig, Wolfgang Polanec
Flare processes evolution and polarization changes of fine structures
of solar radio emission in the April 11, 2013 event
-- Gennady Chernov, Robert Sych, Baolin Tan, Yihua Yan, Chengming
Tan, Qijun Fu, Marian Karlicky and Valery Fomichev
2. FROM THE EDITOR
==================
The Max Millennium program exists to enhance all aspects of solar
activity research. If you have news that is of broad interest to that
community, feel free to send your message to the MMScience e-mail
list:
http://solar.physics.montana.edu/max_millennium/mmlists.shtml
Address questions to canfield at physics.montana.edu