MMScience March 2014

mmscience@solar.physics.montana.edu

4 participants
13 discussions

New UKSP Nugget: 45. New approach to unveil the shape of interplanetary structures
by Iain Hannah 31 Mar '14

31 Mar '14

45. A new approach to unveil the shape of interplanetary structures by Miho Janvier (University of Dundee), Pascal Démoulin (Observatoire de Paris) & Sergio Dasso (IAFE-DF-DCAO) How local in situ data can still reveal the mean shape of interplanetary structures. http://www.uksolphys.org/?p=7933 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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RHESSI Nuggets in March 2014
by Hugh Hudson 28 Mar '14

28 Mar '14

No. 220, "A Wonderful Cycle 24 Flare," by Sa"m Krucker: There have been quite a few Cycle 24 X-class flares, but this was one of the nicest. No. 221, "Imaging Quasi-Periodic Fluctuations in a Simple Flare," by Zhongjun Ning: Time-series spectroscopy in a B8 flare. No. 222, "Empirical Constructs and Cartoons," by Forrest Mozer. How our mental images may relate to what's really going on. See http://sprg.ssl.berkeley.edu/~tohban/wiki/index.php/RHESSI_Science_Nuggets . Older Nuggets are also 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 26 Mar '14

26 Mar '14

MAX MILLENNIUM NEWS 26 March 2014 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 Differential Emission Measure Analysis of A Limb Solar Flare on 2012 July 19 -- J. Q. Sun, X. Cheng, M. D. Ding Observations of linear polarization in a solar coronal loop prominence system near 6173 A -- Pascal Saint-Hilaire, Jesper Schou, Juan-Carlos Martinez Oliveros, Hugh S. Hudson, Sam Krucker, Hazel Bain, Sebastien Couvidat. 25 Years of Self-Organized Criticality: Solar and Astrophysics -- Aschwanden, M.J., Crosby, N., Dimitropoulou, M., Geogoulis, M.K., Hergarten, S., McAteer, J., Milovanov, A.V., Mineshige, S., Morales, L., Nishizuka, N., Pruessner, G., Sanchez, R., Sharma, S., Strugarek, A., and Uritsky, V. Magnetic helicity and energy spectra of a solar active region -- Hongqi Zhang, Axel Brandenburg, D.D. Sokoloff The formation heights of coronal shocks from 2D density and Alfven speed maps -- Pietro Zucca, Eoin P. Carley, D. Shaun Bloomfield, Peter T. Gallagher 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 19 Mar '14

19 Mar '14

MAX MILLENNIUM NEWS 19 March 2014 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 Deciphering Solar Magnetic Activity I: On The Relationship Between The Sunspot Cycle And The Evolution Of Small Magnetic Features -- Scott W. McIntosh, Xin Wang, Robert J. Leamon, Alisdair R. Davey, Rachel Howe, Larisza D. Krista, Anna V. Malanushenko, Jonathan W. Cirtain, Joseph B. Gurman, Michael J. Thompson 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 12 Mar '14

12 Mar '14

MAX MILLENNIUM NEWS 12 March 2014 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 Energetic Particle Events in the 23rd Solar Cycle: Interplanetary Magnetic Field Configuration and Statistical Relationship with Flares and CMEs -- Miteva, R.; Klein, K.-L.; Malandraki, O.; Dorrian, G. Radio Signatures of Solar Energetic Particles During the 23rd Solar Cycle -- Miteva, R.; Klein, K.-L.; Samwel, S. W.; Nindos, A.; Kouloumvakos, A.; Reid, H. Thermal structure of hot non-flaring corona from Hinode/EIS -- A. Petralia, F. Reale, P. Testa, G. Del Zanna Evolution of Magnetic Flux Rope and Its Overlying Arcade Based on Nonlinear Force-free Field Extrapolations -- Ju Jing, Chang Liu, Jeongwoo Lee, Shuo Wang, Thomas Wiegelmann, Yan Xu, and Haimin Wang Two Sun-like Superflare Stars Rotating as Slow as the Sun -- Daisaku Nogami, Yuta Notsu, Satoshi Honda, Hiroyuki Maehara, Shota Notsu, Takuya Shibayama, Kazunari Shibata The Evolution of Writhe in Kink-Unstable Flux Ropes and Erupting Filaments -- Tibor Torok, Bernhard Kliem, Mitchell A. Berger, Mark G. Linton, Pascal Demoulin, Lidia van Driel-Gesztelyi 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 05 Mar '14

05 Mar '14

MAX MILLENNIUM NEWS 05 March 2014 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 Observations and Implications of Large-Amplitude Longitudinal Oscillations in a Solar Filament -- M. Luna, K. Knizhnik, K. Muglach, J. Karpen, H. Gilbert, T.A. Kucera, V. Uritsky Energy and helicity budgets of solar quiet regions -- Tziotziou, K., Tsiropoula, G., Georgoulis, M.K., Kontogiannis, I. New Vacuum Solar Telescope observations of a flux rope tracked by a filament activation -- Shuhong Yang, Jun Zhang, Zhong Liu, Yongyuan Xiang Asymmetry in the CME-CME interaction process for the events from 2011 February 14-15 -- M. Temmer, A. M. Veronig, V. Peinhart, B. Vrsnak Rayleigh-Taylor instabilities with sheared magnetic fields -- Ruderman, M. S., Terradas, J., Ballester, J. L. The Helioseismic and Magnetic Imager (HMI) Vector Magnetic Field Pipeline: Overview and Performance -- J.T. Hoeksema, Y. Liu, K. Hayashi, X. Sun, J. Schou, S. Couvidat, A. Norton, M. Bobra, R. Centeno, K.D. Leka, G. Barnes, M. Turmon 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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HMI Nugget #1 "Evidence of Double-cell Meridional Circulation inside the Sun"
by aimee norton 03 Mar '14

03 Mar '14

New HMI Science Nuggets are available at http://hmi.stanford.edu/hminuggetsfeaturing #1 "Evidence of Double-cell Meridional Circulation inside the Sun" contributed by Junwei Zhao Acoustic travel time reveals an equatorward meridional flow in the middle of the solar convection zone. Inversion reveals an evidence of double-cell meridional circulation inside the Sun. We invite those who use HMI data for their research, or whose research is closely related to HMI science objectives, to contribute to the HMI science nuggets. -- SDO/HMI team >

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HMI Science Nugget #2 "Testing Hemispheric Rule of Helicity with HMI Data"
by aimee norton 03 Mar '14

03 Mar '14

New HMI Science Nuggets are available at http://hmi.stanford.edu/hminuggets, featuring the following topic #2 "Testing Hemispheric Rule of Helicity with HMI Data" contributed by Yang Liu Hemispheric helicity preference in groups of active regions with different properties suggests different origins of magnetic twist. We invite those who use HMI data for their research, or whose research is closely related to HMI science objectives, to contribute to the HMI science nuggets. -- SDO/HMI team

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HMI Science Nugget #3 "The Biggest Sunspots Produced by Cycle 24"
by aimee norton 03 Mar '14

03 Mar '14

New HMI Science Nuggets are available at http://hmi.stanford.edu/hminuggets, featuring the following topic #3 "The Biggest Sunspots Produced by Cycle 24" contributed by Aimee Norton Even though Solar Cycle 24 is weak, it has still produced some large sunspots. We list the largest sunspots as observed by HMI and discuss some aspects of the data. We invite those who use HMI data for their research, or whose research is closely related to HMI science objectives, to contribute to the HMI science nuggets. -- SDO/HMI team

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HMI Science Nugget #4 "New Challenge to Solar Meridional Circulation Theories"
by aimee norton 03 Mar '14

03 Mar '14

New HMI Science Nuggets are available at http://hmi.stanford.edu/hminuggets, featuring the following topic #4 "SDO/HMI Observations Create New Challenge to Solar Meridional Circulation Theories" contributed by Mausumi Dikpati Solar meridional circulation, if mechanically driven and thermally braked, contains two cells in latitude; generating two cells in depth, recently observed by SDO/HMI, is a new challenge to theory. We invite those who use HMI data for their research, or whose research is closely related to HMI science objectives, to contribute to the HMI science nuggets. -- SDO/HMI team

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MMScience March 2014