MMScience March 2012

mmscience@solar.physics.montana.edu

6 participants
11 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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FW: SOMCOSE campaign please circulate
by Dennis, Brian R. (GSFC-6710) 30 Mar '12

30 Mar '12

From: Gopalswamy, Natchimuthuk (GSFC-6710) Sent: Thursday, March 29, 2012 1:40 PM To: larry.paxton(a)jhuapl.edu; Dennis, Brian R. (GSFC-6710); Pfaff, Robert F. (GSFC-6740); Macdowall, Robert J. (GSFC-6950) Subject: SOMCOSE campaign please circulate SCOSTEP Observing and Modeling Campaign On Space Weather Events (SOMCOSE) Active region NOAA 1429 is returning on the east limb of the Sun. This region produced one of the two biggest space weather events of solar cycle 24. An observing campaign known as SCOSTEP Observing and Modeling Campaign On Space Weather Events (SOMCOSE) has been initiated to track this region for a month, starting March 29, 2012. Observations made during its previous disk passage also will be used for further studies. The campaign is conducted under the aegis of the Scientific Committee on Solar Terrestrial Physics (SCOSTEP, see www.yorku.ca/scostep<http://www.yorku.ca/scostep>). The campaign is to observe, track, model and analyze the space weather impacts of all the solar events that happen during the interval. Observations can start right away. RHESSI, SOHO, STEREO, SDO, Wind, ACE, TIMED, CNOFS, and ground observation networks will take data during this interval. Note that the list is not inclusive. Modelers can do real time prediction as well as do post-campaign analysis. Results can be submitted to the International Symposium on Solar Terrestrial Physics (ISSTP 2012), Fall AGU and the CAWSES Symposium 2013 in Nagoya. If you are interested in participating in the campaign, please contact nat.gopalswamy(a)nasa.gov<mailto:nat.gopalswamy@nasa.gov> or shibata(a)kwasan.kyoto-u.ac.jp<mailto:shibata@kwasan.kyoto-u.ac.jp>. Thanks! Nat Gopalswamy

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Max Millennium News
by Keiji YOSHIMURA 28 Mar '12

28 Mar '12

MAX MILLENNIUM NEWS 28 March 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 Off-limb (spicule) DEM distribution from SoHO/SUMER observations -- K. Vanninathan, M. S. Madjarska, E. Scullion, J. G. Doyle Time delays in quasi-periodic pulsations observed during the X2.2 solar flare on 2011 February 15 -- L. Dolla, C. Marqu?, D. B. Seaton, T. Van Doorsselaere, M. Dominique, D. Berghmans, C. Cabanas, A. De Groof, W. Schmutz, A. Verdini, M. J. West, J. Zender and A. N. Zhukov The Solar Flare Sulphur Abundance from RESIK Observations -- J. Sylwester, B. Sylwester, K. J. H. Phillips, V. D. Kuznetsov Large amplitude longitudinal oscillations in a solar filament -- Manuel Luna, Judith Karpen H-alpha counterparts of X-ray bright points in the solar atmosphere -- Ping Zhang, Cheng Fang, Qingmin Zhang 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 a new RHESSI Science Nugget
by Hugh S. Hudson 27 Mar '12

27 Mar '12

No. 172, A New Day Dawns, by Dale Gary: true microwave imaging spectroscopy at the Expanded Owens Valley Solar Array. See http://sprg.ssl.berkeley.edu/~tohban/wiki/index.php/A_New_Day_Dawns 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 - 21. Eruptive prominences
by Iain Hannah 26 Mar '12

26 Mar '12

21. Plasma parameters in eruptive prominences from SDO/AIA observations by Kristopher McGlinchey and Nicolas Labrosse, University of Glasgow Non-LTE radiative transfer models help us to understand intensity variations observed by SDO/AIA in prominence eruptions http://www.uksolphys.org/?p=4247 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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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Max Millennium News
by Keiji YOSHIMURA 21 Mar '12

21 Mar '12

MAX MILLENNIUM NEWS 21 March 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 The role of Rayleigh-Taylor instabilities in filament threads -- J. Terradas, R. Oliver, J. L. Ballester Observation of An Evolving Magnetic Flux Rope Prior To and During A Solar Eruption -- J. Zhang, X. Cheng, and M. D. Ding Comparison of Line-of-Sight Magnetograms Taken by the Solar Dynamics Observatory/Helioseismic and Magnetic Imager and Solar and Heliospheric Observatory/Michelson Doppler Imager -- Y. Liu, J.T. Hoeksema, P.H. Scherrer, J. Schou, S. Couvidat, R.I. Bush, T.L.Duvall Jr, K. Hayashi, X. Sun, X. Zhao Magneto-Acoustic Energetics Study of the Seismically Active Flare of 15 February 2011 -- J.D. Alvarado-G?mez, J.C. Buitrago-Casas, J.C. Mart?nez-Oliveros, C. Lindsey, H. Hudson, B. Calvo-Mozo Morphological evolution of a 3D CME cloud reconstructed from three viewpoints -- L. Feng, B. Inhester, Y. Wei, W.Q. Gan, T.L. Zhang, M.Y. Wang Inversion of physical parameters in solar atmospheric seismology -- I. Arregui A multiwavelength study of an M-class flare and the origin of an associated eruption from NOAA AR 11045 -- Dwivedi, B. N.; Srivastava, Abhishek K.; Kumar, Mukul; Kumar, Pankaj 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 14 Mar '12

14 Mar '12

MAX MILLENNIUM NEWS 14 March 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 Rapid Transition of Uncombed Penumbrae to Faculae during Large Flares -- Haimin Wang, Na Deng, Chang Liu Helioseismic Detection of Emerging Magnetic Flux -- Stathis Ilonidis, Junwei Zhao, Alexander G. Kosovichev Initiation and Development of the white-light and radio CME on 15 April 2001 -- P. Demoulin, A. Vourlidas, M. Pick, A. Bouteille Systematic Center-to-Limb Variation in Measured Helioseismic Travel Times and Its Effect on Inferences of Solar Interior Meridional Flows -- Junwei Zhao, Kaori Nagashima, R. S. Bogart, A. G. Kosovichev, T. L. Duvall Jr The Occurrence and Speed of CMEs Related to Two Characteristic Evolution Patterns of Helicity Injection in Their Solar Source Regions -- Sung-Hong Park, Kyung-Suk Cho, Su-Chan Bong, Pankaj Kumar, Jongchul Chae, Rui Liu, Haimin Wang Chromospheric Magnetic Field Measurements in a Flare and an Active Region Filament -- Harvey, J.W. 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 a new RHESSI Science Nugget
by Hugh S. Hudson 14 Mar '12

14 Mar '12

No. 171, An Fe Cascade, by Hugh Hudson: the many Fe states of EVE. See http://sprg.ssl.berkeley.edu/~tohban/wiki/index.php/An_Fe_Cascade. 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 Keiji YOSHIMURA 07 Mar '12

07 Mar '12

MAX MILLENNIUM NEWS 7 March 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 The non-Maxwellian continuum in the X-ray, UV, and radio range -- Dudík, J., Kašparová, J., Dzifčáková, E. Karlický, M., Mackovjak, Š. Sigmoidal Active Region on the Sun: Comparison of a Magnetohydrodynamical Simulation and a Non-Linear Force-Free Field Mode -- A. Savcheva, E. Pariat, A. van Ballegooijen, G. Aulanier, E. DeLuca Field Topology Analysis of a Long-Lasting Coronal Sigmoid -- A. Savcheva, A. van Ballegooijen, E. DeLuca Estimation of the squashing degree within a three-dimensional domain -- E. Pariat & P. Demoulin 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 01 Mar '12

01 Mar '12

MAX MILLENNIUM NEWS 1 March 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 Solar Intranetwork Magnetic Elements: bipolar flux appearance -- Jingxiu Wang; Guiping Zhou; Chunlan Jin; Hui Li Simulations of Prominence Formation in the Magnetized Solar Corona by Chromospheric Heating -- Chun Xia, P. F. Chen, and Rony Keppens On the physical meaning of n-distributions in solar flares -- Karlicky, M., Dzifcakova, E., Dudik, J. Toward Reliable Benchmarking of Solar Flare Forecasting Methods -- D. Shaun Bloomfield, Paul A. Higgins, R. T. James McAteer, and Peter T. Gallagher Break up of returning plasma after the 7 June 2011 filament eruption by Rayleigh-Taylor instabilities -- D.E. Innes, R. H. Cameron, L. Fletcher, B. Inhester, S.K. Solanki 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 March 2012