MMScience July 2013

mmscience@solar.physics.montana.edu

6 participants
11 discussions

Max Millennium News
by Keiji YOSHIMURA 31 Jul '13

31 Jul '13

MAX MILLENNIUM NEWS 31 July 2013 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 Photospheric Injection of Magnetic Helicity: Connectivity-based Flux Density Method -- K. Dalmasse, E. Pariat, P. Demoulin, G. Aulanier Chromospheric evaporation in sympathetic coronal bright points -- Q. M. Zhang and H. S. Ji Diagnosing Transient Ionization in Dynamic Events -- J.G. Doyle, A. Giunta, M.S. Madjarska, H. Summers, M. O'Mullane and A. Singh Magnetic twist: a source and property of space weather -- Jorn Warnecke, Axel Brandenburg, Dhrubaditya Mitra Structure of sunspot penumbral filaments: a remarkable uniformity of properties -- S. K. Tiwari, M. van Noort, A. Lagg, S. K. Solanki Energetic particle cross-field propagation early in a solar event -- T. Laitinen, S. Dalla, and M.S. Marsh Numerical simulations of magnetoacoustic-gravity waves in the solar coronal curved magnetic field lines structure -- P. Jelinek, K. Murawski Imaging coronal magnetic-field reconnection in a solar flare -- Su, Y., Veronig, A. M., Holman, G. D., Dennis, B. R., Wang, T. J., Temmer, M., Gan, W. Q. 2. FROM THE EDITOR ------------------ The Max Millennium program exists to enhance all aspects of solar flare 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

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RHESSI Science Nugget No. 204, "Implosion and Oscillation"
by Hugh Hudson 29 Jul '13

29 Jul '13

Announcing RHESSI Science Nugget No. 204, "Implosion and Oscillation," by Paulo Simões and Hugh Hudson. The flare implosion originates in the lower solar atmosphere and creates oscillations visible even in GOES soft X-rays. http://sprg.ssl.berkeley.edu/~tohban/wiki/index.php/Implosion_and_Oscillati… Older Nuggets are available at http://sprg.ssl.berkeley.edu/~tohban/wiki/index.php/RHESSI_Science_Nuggets (the current series, 2008-present), and at http://sprg.ssl.berkeley.edu/~tohban/nuggets/ (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.

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New UKSP Nugget: 37. On solar irradiance variations
by Iain Hannah 25 Jul '13

25 Jul '13

37. What is our current understanding of solar irradiance variations?<http://www.uksolphys.org/?p=6496> by William T. Ball (Imperial College London) How well are we able to reproduce the observed irradiance variations of the Sun? http://www.uksolphys.org/?p=6496 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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 Eml: iain.hannah(a)glasgow.ac.uk<mailto:iain.hannah@glasgow.ac.uk> Astronomy & Astrophysics Group, Tel: +44 (0)141 330 6427 School of Physics & Astronomy, Fax: +44 (0)141 330 5183 Kelvin Building, University of Glasgow, Glasgow, UK, G12 8QQ Web: http://www.astro.gla.ac.uk/~iain/ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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Max Millennium News
by Keiji YOSHIMURA 24 Jul '13

24 Jul '13

MAX MILLENNIUM NEWS 24 July 2013 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 Non-symmetric magnetohydrostatic equilibria: a multigrid approach -- D. MacTaggart, A. Elsheikh, J. A. McLaughlin and R. D. Simitev Kelvin-Helmholtz instability of a coronal streamer -- Li Feng, Bernd Inhester, Weiqun Gan High Dispersion Spectroscopy of the Superflare Star KIC6934317 -- Shota Notsu, Satoshi Honda, Yuta Notsu, Takashi Nagao, Takuya Shibayama, Hiroyuki Maehara, Daisaku Nogami, Kazunari Shibata Production of the Extreme-Ultraviolet Late Phase of an X Class Flare in a Three-Stage Magnetic Reconnection Process -- Y. Dai, M. D. DIng, Y. Guo Optimization of Curvi-Linear Tracing Applied to Solar Physics and Biophysics -- Markus J. Aschwanden, Bart De Pontieu, and Eugene A. Katrukha First observational application of a connectivity-based helicity flux density -- K. Dalmasse, E. Pariat, G. Valori, P. D?moulin, L. M. Green Coronal magnetic topology and the production of solar impulsive energetic electrons -- C. Li, L. P. Sun, X. Y. Wang, and Y. Dai Simulation of f-Mode Propagation Through a Cluster of Small Identical Magnetic Flux Tubes -- K. Daiffallah Coronal-Temperature-Diagnostic Capability of the Hinode/X-Ray Telescope Based on Self-Consistent Calibration. II. Calibration with on-Orbit Data -- Noriyuki Narukage, Taro Sakao, Ryouhei Kano, Masumi Shimojo, Amy Winebarger, Mark Weber, Kathy K Reeves 2. FROM THE EDITOR ------------------ The Max Millennium program exists to enhance all aspects of solar flare 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

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Max Millennium News
by canfield＠mithra.physics.montana.edu 17 Jul '13

17 Jul '13

MAX MILLENNIUM NEWS 17 July 2013 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 High Spatial Resolution Observations of Loops in the Solar Corona -- David H. Brooks, Harry P. Warren, Ignacio Ugarte-Urra, Amy R. Winebarger Magnetic Field Extrapolations in the Corona: Success and Future Improvements -- S. Regnier Solar Energetic Particle drifts in the Parker spiral -- S. Dalla, M.S. Marsh, J. Kelly, T. Laitinen 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

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Max Millennium News
by canfield＠mithra.physics.montana.edu 10 Jul '13

10 Jul '13

MAX MILLENNIUM NEWS 10 July 2013 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 Apparent Solar Tornado - Like Prominences -- Olga Panasenco, Sara Martin, Marco Velli The multi-thermal emission in solar active regions -- G. Del Zanna Determination of Stochastic Acceleration Model Characteristics in Solar Flares -- Qingrong Chen and Vahe' Petrosian Cross-sectional area and intensity variations of sausage modes -- M.G. Moreels, M. Goossens, and T. Van Doorsselaere A Rapid, Manual Method to Map Coronal-Loop Structures of an Active Region Using Cubic Bezier Curves and Its Applications to Misalignment Angle Analysis -- Gilmer A. Gary, Qiang Hu, and Jong Kwan Lee Drift-induced perpendicular transport of Solar Energetic Particles -- M. S. Marsh, S. Dalla, J. Kelly, and T. Laitinen 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

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New EIS Nugget
by Baker, Deborah 10 Jul '13

10 Jul '13

We are pleased to announce the release of a new EIS nugget by J. Schmelz and S. Pathak. This month we look at emission measure distributions of active region cores using EIS. Please visit the nugget here: http://solarb.mssl.ucl.ac.uk/SolarB/nuggets/nugget_2013july.jsp We welcome nugget contributions from the community. Please contact Deb Baker or Lucie Green if you are interested. -- Dr. Deb Baker UCL – Mullard Space Science Laboratory Email: Deborah.Baker(a)ucl.ac.uk Tel: +44 (0) 1483 204 179

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Special UKSP Nugget
by Iain Hannah 08 Jul '13

08 Jul '13

The UKSP nuggets are now 3 years old and to celebrate we collated some of the nugget stats http://www.uksolphys.org/?p=6729 These stats also featured on a poster at the St. Andrews RAS NAM/UKSP 2013. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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 Eml: iain.hannah(a)glasgow.ac.uk<mailto:iain.hannah@glasgow.ac.uk> Astronomy & Astrophysics Group, Tel: +44 (0)141 330 6427 School of Physics & Astronomy, Fax: +44 (0)141 330 5183 Kelvin Building, University of Glasgow, Glasgow, UK, G12 8QQ Web: http://www.astro.gla.ac.uk/~iain/ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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Senior Review Ratings and Recomendations
by Dennis, Brian R. (GSFC-6710) 05 Jul '13

05 Jul '13

RHESSI was given an excellent rating by the Heliophysics Senior Review panel for both "overall scientific merit of the proposed extended mission" and for "Value to the Heliophysics System Observatory." The Panel recommends "the continued operation of the RHESSI extended mission," and states in its report that "RHESSI plays a unique role within the HSO, enabling system-wide studies of energy release and particle acceleration in flares/CMEs and their effects on the interplanetary medium, magnetosphere, and ITM." The full report will be put on line at http://hesperia.gsfc.nasa.gov/rhessi2/home/mission/documents/ as soon as we receive a corrected version from NASA HQ. Säm Krucker has been officially appointed by NASA as the RHESSI PI. Brian Brian R. Dennis Solar Physics Laboratory, Code 671 Goddard Space Flight Center Greenbelt, MD 20771 301-286-7983 brian.r.dennis(a)nasa.gov

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Congratulations to Iain Hannah
by Dennis, Brian R. (GSFC-6710) 05 Jul '13

05 Jul '13

Iain Hannah of the University of Glasgow received the 2013 Fowler Prize (G) awarded annually by the Royal Astronomical Society to individuals who have made a particularly noteworthy contribution to the astronomical and geophysical sciences at an early stage of their research career. The citation reads as follows: Dr Hannah is an outstanding young scientist, who has already made an international impact on our understanding of solar hard X-ray emission on a variety of scales. In particular he has led pioneering studies on the energetics of solar microflares through the interpretation of observations from the RHESSI satellite. His work displays exceptional breadth, given that he also carried out observational studies of plasma heating and the acceleration of electrons in solar flares, as well as computational modelling of these systems. As part of his research, he developed sophisticated techniques for analysis of small-scale hard-X-ray emission, including automated analysis of 25,000 microflare events, and a new ultra-sensitive mode of RHESSI 'quiet-Sun' observing. Congratulations Iain, Brian Brian R. Dennis Solar Physics Laboratory, Code 671 Heliophysics Science Division NASA Goddard Space Flight Center Greenbelt, MD 20771 301-286-7983 brian.r.dennis(a)nasa.gov<mailto:brian.r.dennis@nasa.gov>

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MMScience July 2013