MMScience February 2012

mmscience@solar.physics.montana.edu

7 participants
10 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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Announcing RHESSI Science Nugget No. 170
by Hugh S. Hudson 27 Feb '12

27 Feb '12

No. 170, Do Slow Waves Trigger Pulsations in Two-Ribbon Flares, by Andrew Inglis and Brian Dennis: slow MHD waves, QPPs, and hard X-rays. See http://sprg.ssl.berkeley.edu/~tohban/wiki/index.php/Do_slow_waves_trigger_p… 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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A new UKSP Nugget by Bernhard Kliem
by Iain Hannah 27 Feb '12

27 Feb '12

20. Rapid Cavity Formation and Expansion in CMEs by Bernhard Kliem (MSSL/UCL & Potsdam) Terry G. Forbes (University of New Hampshire), Spiros Patsourakos (University of Ioannina), Angelos Vourlidas (NRL) EUV cavities in fast CMEs are due to an inverse pinch effect. http://www.uksolphys.org/?p=4161 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ UKSP Nuggets are published on a monthly basis highlighting solar physics research in the UK. http://www.uksolphys.org/uksp-nuggets Iain Hannah and Lyndsay Fletcher -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Dr. Iain G. Hannah Eml: iain.hannah(a)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, Scotland, UK G12 8QQ Web: http://www.astro.gla.ac.uk/~iain/ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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Final deadline for Spectroscopy of the Dynamic Sun is Friday. 2 March 2012
by Deborah Baker 27 Feb '12

27 Feb '12

This Friday, 2 March 2012, is the final deadline for registration and abstract submission for Spectroscopy of the Dynamic Sun to be held at UCL from 18 to 20 April 2012. Please join us to celebrate the careers of Prof. George Doschek from NRL and Prof. Tetsuya Watanabe of NAOJ. Regards, Deb Baker UCL/MSSL

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RHESSI has resumed collecting data following a successful anneal
by Shih, Albert Y. (GSFC-6710) 22 Feb '12

22 Feb '12

To RHESSI collaborators: As of today, RHESSI has resumed collecting solar X-ray and gamma-ray data, following the successful completion of the "anneal" procedure to rejuvenate the RHESSI detectors from the effects of radiation damage. The detectors were heated up from their operating temperature of ~100 K to ~100 deg C (373 K), held at that temperature for ten days, and then cooled back down. The entire procedure took five weeks. We now look forward to future solar activity. If you have any questions about this anneal, please feel free to contact me. Albert Shih RHESSI Deputy Mission Scientist ----- Albert Y. Shih Solar Physics Laboratory, Code 671 NASA Goddard Space Flight Center Greenbelt, MD 20771 Office: 301-286-1843

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Max Millennium News
by Keiji YOSHIMURA 22 Feb '12

22 Feb '12

MAX MILLENNIUM NEWS 22 February 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 Implications of Non-cylindrical Flux Ropes for Magnetic Cloud Reconstruction Techniques and the Interpretation of Double Flux Rope Events -- M.J. Owens, P. Demoulin, N.P. Savani, B. Lavraud, A. Ruffenach Kelvin-Helmholtz instability in partially ionized compressible plasmas -- R. Soler, A. J. Diaz, J. L. Ballester, M. Goossens Revision of Solar Spicule Classification -- Y. Z. Zhang, K. Shibata, J. X. Wang, X. J. Mao, T. Matsumoto, Y. Liu, and J. T. Su How to optimize nonlinear force-free coronal magnetic field extrapolations from SDO/HMI vector magnetograms? -- T. Wiegelmann, J.K. Thalmann, B. Inhester, T. Tadesse, X. Sun, J.T. Hoeksema On the Role of the Background Overlying Magnetic Field in Solar Eruptions -- A. Nindos, S. Patsourakos, T. Wiegelmann Magnetic reconnection from a multiscale instability cascade -- Auna L. Moser & Paul M. Bellan Speeds and arrival times of solar transients approximated by self-similar expanding circular fronts -- Christian Moestl and Jackie A. Davies 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 Keiji YOSHIMURA 15 Feb '12

15 Feb '12

MAX MILLENNIUM NEWS 15 February 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 Comparing Values of the Relative Magnetic Helicity in Finite Volumes -- Valori, G., Demoulin, P., Pariat E Kinematics and helicity evolution of a loop-like eruptive prominence -- K. Koleva, M.S. Madjarska, P. Duchlev, C. J. Schrijver, J.-C. Vial, E. Buchlin, and M. Dechev The 2010 August 01 type II burst: A CME-CME Interaction, and its radio and white-light manifestations -- Juan Carlos Mart?nez Oliveros, Claire L. Raftery, Hazel M. Bain, Ying Liu, Vratislav Krupar, Stuart Bale and S?m Krucker Characteristics of kinematics of a coronal mass ejection during the 2010 August 1 CME-CME interaction event -- Temmer, M.; Vrsnak, B.; Rollett, T.; Bein, B.; de Koning, C.A.; Liu, Y.; Bosman, E.; Davies, J.A.; M?stl, C.; Zic, T.; Veronig, A.M.; Bothmer, V.; Harrison, R.; Nitta, N.; Bisi, M.; Flor, O.; Eastwood, J.; Odstrcil, D.; Forsyth, R. 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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Announcing RHESSI Nugget 169
by Hugh S. Hudson 15 Feb '12

15 Feb '12

No. 169, RHESSI's Tenth Anniversary, by Brian Dennis and Bob Lin: a top-ten list of major RHESSI accomplishments in flare physics, plus a mention of three serendipitous non-flare items. See http://sprg.ssl.berkeley.edu/~tohban/wiki/index.php/RHESSI%27s_Tenth_Annive… 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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Max Millennium News
by canfield＠mithra.physics.montana.edu 08 Feb '12

08 Feb '12

MAX MILLENNIUM NEWS 08 February 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 Turbulent cross-field transport of non-thermal electrons in coronal loops: theory and observations -- Bian, N. H.; Kontar, E. P.; MacKinnon, A. L. 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 01 Feb '12

01 Feb '12

MAX MILLENNIUM NEWS 01 February 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 Prominence seismology -- I. Arregui, J. L. Ballester, R. Oliver, R. Soler, J. Terradas The relationship between hard X-ray pulse timings and the locations of footpoint sources during solar flares -- A. R. Inglis & B. R. Dennis 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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MMScience February 2012