MMScience July 2012

mmscience@solar.physics.montana.edu

5 participants
8 discussions

New EIS nugget
by Lucie Green 29 Nov '12

29 Nov '12

Dear all, We are pleased to announce the release of a new EIS nugget. This month we celebrate one year of the EIS flare catalogue and the dataset that EIS is collecting. Please visit the nugget here: http://msslxr.mssl.ucl.ac.uk:8080/SolarB/nuggets/nugget_2012feb.jsp We welcome nugget contributions from the community. Please contact Lucie Green if you are interested. Dr Lucie Green Mullard Space Science Laboratory Holmbury St. Mary Dorking Surrey RH5 6NT +44 (0)1483 204103 www.mssl.ucl.ac.uk/~lmg

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Max Millennium News
by Keiji YOSHIMURA 25 Jul '12

25 Jul '12

MAX MILLENNIUM NEWS 25 July 2012 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 Horizontal Flows in the Photosphere and Subphotosphere of Two Active Regions -- Yang Liu, Junwei Zhao, Peter W. Schuck Magnetic topology of Active Regions and Coronal Holes: Implications for Coronal Outflows and the Solar Wind -- L. van Driel-Gesztelyi, J. L. Culhane, D. Baker, P. D?moulin, C.H. Mandrini, M.L. DeRosa, A. P. Rouillard, A. Opitz, G. Stenborg, A. Vourlidas, D. H. Brooks Generation of Large Scale Electric Fields in Coronal Flare Circuits -- Onel. H.; Mann, G. Constraining the Angular Momentum of the Sun with Planetary Orbital Motions and General Relativity -- Lorenzo Iorio 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: "The Slowest Flare"
by Hugh S. Hudson 23 Jul '12

23 Jul '12

No. 180, "The Slowest Flare," by Sam Freeland and Hugh Hudson: SOL2012-07-17 had the slowest GOES rise time for any major flare (M or X) since 1995. http://sprg.ssl.berkeley.edu/~tohban/wiki/index.php/RHESSI_Science_Nuggets The Nugget archive is 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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Max Millennium News
by canfield＠mithra.physics.montana.edu 18 Jul '12

18 Jul '12

MAX MILLENNIUM NEWS 18 July 2012 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 Self-Organized Criticality Systems in Astrophysics (Chapter 13) -- Markus J. Aschwanden Solar Orbiter: Exploring the Sun-heliosphere connection -- D. Mueller, R.G. Marsden, O.C. StCyr, H.R. Gilbert for the Solar Orbiter Team Thermal shielding of an emerging active region -- S. Regnier The Wave-Driver System of the Off-Disk Coronal Wave 17 January 2010 -- M. Temmer, B. Vrsnak, A. M. Veronig Solar Stereoscopy with STEREO/EUVI A and B spacecraft from small (6 degree) to large (170 degree) spacecraft separation angle -- Markus J. Aschwanden, Jean-Pierre Wuelser, Nariaki Nitta, and James Lemen First 3D Reconstructions of Coronal Loops with the STEREO A+B Spacecraft: IV. Magnetic Modeling with Twisted Force-Free Fields -- Markus J. Aschwanden, Jean-Pierre Wuelser, Nariaki V. Nitta, James R. Lemen, Marc L. DeRosa, and Anna Malanushenko A Nonlinear Force-Free Magnetic Field Approximation Suitable for Fast Forward-Fitting to Coronal Loops. II. Numeric Code and Tests -- Markus J. Aschwanden and Anna Malanushenko A Nonlinear Force-Free Magnetic Field Approximation Suitable for Fast Forward-Fitting to Coronal Loops. I. Theory -- Markus J. Aschwanden 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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solar flare session at AGU Fall Meeting 2012
by Eduard Kontar 17 Jul '12

17 Jul '12

Dear Solar Flare colleagues, We solicit contributions to AGU Fall meeting 2012 session SH015: Solar Flares in the Rising Phase of Solar Cycle 24 on the solar flare phenomena addressing the key science questions of magnetic energy release, particle acceleration and transport, and associated emissions in the solar atmosphere and the heliosphere. The additional information and the link to abstract submission can be found here: http://fallmeeting.agu.org/2012/session-search/single/solar-flares-in-the-r… Kind regards Eduard on behalf of the session organisers

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Max MIllennium News
by canfield＠mithra.physics.montana.edu 11 Jul '12

11 Jul '12

MAX MILLENNIUM NEWS 11 July 2012 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 Nonlinear small-scale dynamos at low magnetic Prandtl numbers -- Axel Brandenburg Slow Rise and Partial Eruption of a Double-Decker Filament. I Observations and Interpretation -- Rui Liu, Bernhard Kliem, Tibor Torok, Chang Liu, Viacheslav S. Titov, Roberto Lionello, Jon A. Linker, and Haimin Wang EUV Spectroscopic Observation of Direct Coronal Heating During a C-class Solar Flare -- Jeffrey W. Brosius How Many CMEs Have Flux Ropes? Deciphering the Signatures of Shocks, Flux Ropes, and Prominences in Coronagraph Observations of CMEs -- A. Vourlidas, B.J. Lynch, R.A. Howard, Y. Li Time-Dependent Density Diagnostics of Solar Flare Plasmas Using SDO/EVE -- Ryan O. Milligan, Michael B. Kennedy, Mihalis Mathioudakis, Francis P. Keenan Principal Component Analysis of Background and Sunspot Magnetic Field Variations During Solar Cycles 21-23 -- Zharkova V.V., Shepperd, S.J. and Zharkov S.I. Statistical Study of Emerging Flux Regions and the Upper Atmosphere Response -- Zhao, Jie; Li, Hui Secondary Waves, and/or the ''Reflection'' From and ''Transmission'' Through a Coronal Hole of an EUV Wave Associated With the 2011 February 15 X2.2 Flare Observed With SDO/AIA and STEREO/EUVI -- O. Olmedo, A. Vourlidas, J. Zhang, X. Cheng 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 04 Jul '12

04 Jul '12

MAX MILLENNIUM NEWS 4 July 2012 CONTENTS 1. TRACING THE CONNECTIONS IN SOLAR ERUPTIVE EVENTS 2. E-PRINTS POSTED IN THE PAST WEEK 3. FROM THE EDITOR ===================================================================== 1. TRACING THE CONNECTIONS IN SOLAR ERUPTIVE EVENTS --------------------------------------------------- > From Gordon Emslie <emslieg (at) wku.edu> On behalf of the Science and Local Organizing Committees, I am pleased to invite the solar physics/heliophysics community to a conference/workshop entitled "Tracing the Connections in Solar Eruptive Events" to be held at the Sheraton Sonoma County Hotel, Petaluma, CA, from November 27 - December 2, 2012. The conference will be devoted to sharing analysis, interpretations, and results based on recent observations from various solar spacecraft, such as ACE, Fermi, Hinode, RHESSI, SDO, SOHO, and STEREO. This is the third in a series of "California Wine Country" conferences, and the format will be a mixture of plenary sessions and cross-connected working groups, following the highly successful model established by earlier conferences in the series (Sonoma 2004 and Napa 2008). The meeting website can be found at http://hessi.ssl.berkeley.edu/petaluma/index.shtml . The overarching objective of the conference is to examine the connections amongst the phenomena that lead to solar eruptive events. The current slate of themes includes: - Measuring the Coronal Magnetic Field; - Connections to, and Reactions of, the Large-Scale Corona; - Large-scale Magnetic Connectivity of Active Regions; - Transfer of Energy to, and Storage of Energy in, the Corona; and - The High-Energy Particle - Flare - CME connection. We have assembled a cast of outstanding invited speakers for these sessions. Working groups will address topics such as: - Energy Transfer throughout a Solar Eruptive Event; - Global Energetics of an Ensemble of Events; - Coronal Influences to the Lower Atmosphere; - CME Initiation and Type II Bursts; - The Release of Energetic Particles in the Low Corona; - Flows vs. Waves; and - Microflares/Nanoflares; The "manifestos" for the working groups can be found at http://hessi.ssl.berkeley.edu/petaluma/workinggroups.shtml Additional working group topics may be created, depending on the content of the abstracts that are submitted. We also intend to have a "presidential-candidate" style debate on the topic of "How much closer are we to flare prediction?â" The registration site: http://hessi.ssl.berkeley.edu/petaluma/registration.shtml and abstract submission site http://hessi.ssl.berkeley.edu/petaluma/abstracts.shtml are now open. I invite you to register, submit your abstract, and make your hotel reservations. Rooms booked through the link supplied on the conference page will receive the conference rate. https://www.starwoodmeeting.com/StarGroupsWeb/res?id=1112156251&key=6482F A limited amount of funds has been identified for the purpose of providing travel support for students and new postdocs. The closing date for such applications is July 20, 2012. We invite interested individuals to visit the site at http://hessi.ssl.berkeley.edu/petaluma/travel_support.shtml for more details. I look forward to seeing you in Northern California wine country later in the year! Gordon Emslie Chair, SOC 2. E-PRINTS POSTED IN THE PAST WEEK ----------------------------------- > http://solar.physics.montana.edu/cgi-bin/eprint/default_page.pl CONCERNING SPIKES IN EMISSION AND ABSORPTION IN MICROWAVE RANGE -- G.P.Chernov, R.A.Sych, G.L.Huang, H.S. Ji, Y.H.Yan, and C.M.Tan Secondary Waves, and/or the ''Reflection'' From and ''Transmission'' Through a Coronal Hole of an EUV Wave Associated With the 2011 February 15 X2.2 Flare Observed With SDO/AIA and STEREO/EUVI -- O. Olmedo, A. Vourlidas, J. Zhang, X. Cheng Coronal hole boundaries at small scales: III. EIS and SUMER views -- M.S. Madjarska, Z. Huang, J.G. Doyle and S. Subramanian Radio-loud CMEs from the disk center lacking shocks at 1 AU -- N. Gopalswamy, P. Makela, S. Akiyama, S. Yashiro, H. Xie, R. J. MacDowall, M. L. Kaiser COMPLEX RADIO ZEBRA PATTERNS ESCAPING FROM THE SOLAR CORONA AND NEW GENERATION MECHANISMS -- G.P.Chernov 3. 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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Power outage at Goddard Space Flight Center
by Tolbert, Anne K. (GSFC-671.0)[CATHOLIC UNIV OF AMERICA] 01 Jul '12

01 Jul '12

Due to the severe storms Friday night, most of Goddard is offline. You won't be able to reach the RHESSI or any GSFC web site or data archive until power is restored. Kim Tolbert Sent from my iPad

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MMScience July 2012