MMScience August 2018

mmscience@solar.physics.montana.edu

5 participants
7 discussions

Max Millennium News
by richard.canfield＠montana.edu 29 Aug '18

29 Aug '18

MAX MILLENNIUM NEWS 29 August 2018 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 Coronal condensations caused by magnetic reconnection between solar coronal loops -- Leping Li, Jun Zhang, Hardi Peter, Lakshmi Pradeep Chitta, Jiangtao Su, Chun Xia, Hongqiang Song, Yijun Hou Measurement of Vector Magnetic Field in a Flare kernel with a Spectropolarimetric Observation in He I 10830 A -- Tetsu Anan, Takurou Yoneya, Kiyoshi Ichimoto, Satoru Ueno, Daikou Shiota, Satoshi Nozawa, Shinsuke Takasao, Tomoko Kawate The Relation Between Escape and Scattering Times of Energetic Particles in a Turbulent Magnetized Plasma: Application to Solar Flares -- Frederic Effenberger and Vahe Petrosian Implications of loop-top origin for microwave, hard X-ray, and low-energy gamma-ray emissions from behind the limb flares -- Vahe Petrosian 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 richard.canfield at montana.edu

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Max Millennium News
by richard.canfield＠montana.edu 22 Aug '18

22 Aug '18

MAX MILLENNIUM NEWS 22 August 2018 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 radio emission as a disturbance of aeronautical radionavigation -- Christophe Marque, Karl-Ludwig Klein, Christian Monstein, Hermann Opgenoorth, Antti Pulkkinen, Stephan Buchert, Sam Krucker, Rudiger Van Hoof, Peter Thulesen A Diagnostic of Coronal Elemental Behavior during the Inverse FIP Effect in Solar Flares -- David H. Brooks Observations of Turbulent Magnetic Reconnection Within a Solar Current Sheet -- X. Cheng, Y. Li, L. F. Wan, M. D. Ding, P. F. Chen, J. Zhang, J. J. Liu Diagnostic Analysis of the Solar Proton Flares of September 2017 by Their Radio Bursts -- I. M. Chertok Densities Probed by Coronal Type III Radio Burst Imaging -- Patrick I. McCauley, Iver H. Cairns, John Morgan The Minimum Energy Principle Applied to Parker's Coronal Braiding and Nanoflaring Scenario -- Aschwanden, M.J. and van Ballegooijen,A.A. Eruptions from quiet Sun coronal bright points. I. Observations -- Chauzhou Mou, Maria S. Madjarska, Klaus Galsgaard, and Lidong Xia 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 richard.canfield at montana.edu

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Max Millennium News
by richard.canfield＠montana.edu 15 Aug '18

15 Aug '18

MAX MILLENNIUM NEWS 15 August 2018 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 Evolution of the transverse density structure of oscillating coronal loops inferred by forward modelling of EUV intensity -- C. R. Goddard, P. Antolin, D. J. Pascoe Non-stationary quasi-periodic pulsations in solar and stellar flares -- Nakariakov, V.M., Kolotkov, D., Kupriyanova, E.G., Mehta, T., Pugh, C.E., Lee, D.-H., Broomhall, A.M. 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 richard.canfield at montana.edu

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RHESSI to be Decommissioned
by Dennis, Brian R. (GSFC-6710) 10 Aug '18

10 Aug '18

After more than 16 years of successful operations, the RHESSI spacecraft is now planned to be decommissioned on October 1 of this year. The on-board receiver has been slowly degrading since 2017, and commanding from the ground has become increasingly difficult to the point where we have not had a successful command since mid-July. We will continue to try to establish contact, but success is very unlikely. The spacecraft has no further scheduled transmissions and is programmed to automatically decommission itself on October 1. Because of the communication difficulty, the detectors have not been turned back on following the sixth anneal, which started on April 12. Observations ended on April 11 at 01:50 UT and the last flare in the RHESSI catalog was a B5 on March 3. We have already started implementing the Mission Archive Plan as described in the latest RHESSI Senior Review Proposal (http://hesperia.gsfc.nasa.gov/senior_review/2017/senior_review_proposal_201…). For the next few years, RHESSI data products will continue to be accessible on the usual servers. In the future, the archive will be available through the Solar Data Analysis Center (SDAC). Sam Krucker, PI krucker(a)ssl.berkeley.edu<mailto:krucker@ssl.berkeley.edu> Brian Dennis, Mission Scientist brian.r.dennis(a)nasa.gov<mailto:brian.r.dennis@nasa.gov> Albert Shih, Deputy Mission Scientist albert.y.shih(a)nasa.gov<mailto:albert.y.shih@nasa.gov>

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Max Millennium Program Status
by richard.canfield＠montana.edu 10 Aug '18

10 Aug '18

It appears inevitable that the RHESSI spacecraft will be decommissioned on October 1 of this year. The Max Millennium program is supported by the RHESSI PI team, with NASA funding for RHESSI operations, which will end on this date. In the near term, the Max Millennium team will continue to carry out all current functions: the Message of the Day, the Solar Physics E-Print Archive, Max Millennium News, the MMscience, MMmotd, and RHESSI_Data_Analysis mailing lists and archives, and all other functions of the Max Millennium website at Montana State University: <http://solar.physics.montana.edu/max_millennium/>. The Max Millennium program, and the solar activity observing community as a whole, has long benefitted from the generosity of the volunteer Max Millennium Chief Observers. All current MM_COs have expressed their desire to continue in that role: Shaun Bloomfield (Northumbria University), Ying Li (Purple Mountain Observatory and Montana State University), Bill Marquette (Hello Research), Aoife McCloskey (Trinity College Dublin), and Ryan Milligan (University of Glasgow). The last two decades have resoundingly demonstrated the value of multi-mission and multi-observatory coordination of solar activity and space weather observations. Powerful new facilities have come on line recently, and others will come in the next few years. Many of them have high-resolution and limited field of view, which motivate coordinated observation. We in the Max Millennium program will solicit support for continuing such coordination in the future.

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Max MillenniumNews
by richard.canfield＠montana.edu 08 Aug '18

08 Aug '18

MAX MILLENNIUM NEWS 8 August 2018 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 Lost and found sunquake in the 6 September 2011 flare caused by beam electrons -- Connor Macrae, Sergei Zharkov, Valentina Zharkova, Malcolm Druett, Sarah Matthews, and Tomoko Kawate Nonkinematic solar dynamo models with double-cell meridional circulation -- V.V. Pipin Solar Kinetic Energy and Cross Helicity Spectra -- Hongqi Zhang, Axel Brandenburg 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 richard.canfield at montana.edu

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Max Millennium News
by richard.canfield＠montana.edu 01 Aug '18

01 Aug '18

MAX MILLENNIUM NEWS 1 August 2018 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 Collective Study of Polar Crown Filaments in the Past Four Solar Cycles -- Yan Xu, Werner Potzi, Hewei Zhang, Nengyi Huang, Ju Jing, and Haimin Wang Highly Ionized Calcium and Argon X-ray Spectra from a Large Solar Flare -- K. J. H. Phillips, J. Sylwester, B. Sylwester, M. Kowalinski, M. Siarkowski, W. Trzebinski, S. Plocieniak, and Z. Kordylewski Detecting the solar new magnetic flux regions on the base of vector magnetograms -- A.A.GolovkoI, I.I.Salakhutdinova 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 richard.canfield at montana.edu

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MMScience August 2018