MMScience July 2021

mmscience@solar.physics.montana.edu

4 participants
7 discussions

Max Millennium News
by Keiji YOSHIMURA 28 Jul '21

28 Jul '21

MAX MILLENNIUM NEWS 28 July 2021 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 chromosphere heating and generation of plasma outflows by impulsively generated two-fluid Alfven waves -- M. Pelekhata, K. Murawski, S. Poedts Radio evidence for a shock wave reflected by a coronal hole -- S. Mancuso, A. Bemporad, F. Frassati, D. Barghini, S. Giordano, D. Telloni, C. Taricco Hemispheric sunspot numbers 1874 - 2020 -- A.M. Veronig, S. Jain, T. Podladchikova, W. Potzi, F. Clette 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 keiji.yoshimura at montana.edu

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2021 AGU Session on high-energy solar remote-sensing missions/instruments
by Amir Caspi 27 Jul '21

27 Jul '21

Dear colleagues, There is one week left to submit abstracts to this year's AGU Fall Meeting, a hybrid meeting with both in-person and virtual components. We invite you to submit an abstract to the fourth-annual installment of our session for next-generation remote-sensing missions. Like last year, this year the focus includes all remote sensing, including imaging, spectroscopy, polarimetry, and combinations of those, plus anything else I'm missing. Given the imminent Decadal Survey, we encourage submissions with an eye both for near-term _and_ long-term (decadal or beyond) timescales for development. Session link and description are below. Deadline is 11:59pm EDT on Aug 4th (next Wednesday). We look forward to your exciting submissions! https://agu.confex.com/agu/fm21/prelim.cgi/Session/121896 SH017 - High-Energy Solar Investigations Through Next-Generation Remote Sensing: Spectroscopy, Imaging, and Beyond Energetic processes on the Sun, including particle acceleration and plasma heating during flares and quiescence, emit signatures across the electromagnetic spectrum, from X-rays/gamma-rays, through UV/EUV, to infrared and radio. Recent measurements from numerous solar observatories including RHESSI; SDO; MinXSS; SphinX; the FOXSI, Hi-C, EUNIS, and EVE rockets; the GRIPS balloon; EOVSA; and many others; and from opportunistic observations by non-solar observatories such as NuSTAR, Fermi, ALMA, and VLA, have significantly advanced our understanding of these phenomena. They have also shown the pressing need for increasingly advanced high-resolution, high-sensitivity measurements across the entire spectrum, including polarimetry and especially imaging spectroscopy, to gain further insight into these high-energy processes. This session invites presentations covering new instrumentation, enabling technology, missions, and concepts for next-generation solar remote sensing -- including spectroscopy, imaging, and beyond -- aimed at studying high-energy (hot and non-thermal) aspects of the Sun, and the science enabled by such new observations. --- Amir Caspi, Lindsay Glesener, Jenna Samra, & Athiray Panchapakesan

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RHESSI Nuggets in July 2021
by Hugh Hudson 23 Jul '21

23 Jul '21

http://sprg.ssl.berkeley.edu/~tohban/wiki/index.php/RHESSI_Science_Nuggets No. 411, “Flare Pulsations and the Heliosphere” by Brendan CLARKE et al.; flare pulsations turn out to link closely to structures in the distant heliosphere. No. 412, “The Morphology of Flare Time Profiles,” by Larisa KASHAPOVA et al.; systematic comparison of solar and stellar flaring time profiles. No. 413, “Impulsive and Gradual Eruptive Game Flares and Associated CMEs,” by Alexey STRUMINSKY et al.; Extreme behavior of flare/CME events explained by environment. We welcome contributions to the RHESSI Nuggets, and the topics may wander some distance away from specifically RHESSI results if they are generally interesting. See http://sprg.ssl.berkeley.edu/~tohban/wiki/index.php/RHESSI_Science_Nuggets for these and others. Comments about specific flares can often be found by searching for their SOLyyyy-mm-dd identifier from this home page.

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Max Millennium News
by Keiji YOSHIMURA 21 Jul '21

21 Jul '21

MAX MILLENNIUM NEWS 21 July 2021 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 Temperature in Solar Sources of 3He-rich Solar Energetic Particles and Relation to Ion Abundances -- Bucik, R., Mulay, S. M., Mason, G. M., Nitta, N. V., Desai, M. I., Dayeh, M. A. The long period of 3He-rich solar energetic particles measured by Solar Orbiter 2020 November 17–23 -- Bucik, R., Mason, G. M., Gomez-Herrero, R., Lario, D., Balmaceda, et al. Tracing H-alpha Fibrils through Bayesian Deep Learning -- Haodi Jiang, Ju Jing, Jiasheng Wang, Chang Liu, Qin Li, Yan Xu, Jason T. L. Wang, Haimin Wang Energetics and 3-D Structure of Elementary Events in Solar Coronal Heating -- G. Einaudi, R.B. Dahlburg, I. Ugarte-Urra, J.W. Reep, A.F. Rappazzo, M. Velli Forecasting the Remaining Duration of an Ongoing Solar Flare -- Jeffrey W. Reep & Will T. Barnes 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 keiji.yoshimura at montana.edu

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Max Millennium News
by Keiji YOSHIMURA 14 Jul '21

14 Jul '21

MAX MILLENNIUM NEWS 14 July 2021 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 A fundamental mechanism of solar eruption initiation -- Chaowei Jiang, Xueshang Feng, Rui Liu, XiaoLi Yan, Qiang Hu, Ronald L. Moore, Aiying Duan, Jun Cui, Pingbing Zuo, Yi Wang & Fengsi Wei Thermal Trigger for Solar Flares III: Effect of the Oblique Layer Fragmentation -- Leonid Ledentsov 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 keiji.yoshimura at montana.edu

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RHESSI Mission Archive
by Tolbert, Anne K. (GSFC-671.0)[AMERICAN UNIVERSITY] 13 Jul '21

13 Jul '21

As part of wrapping up the RHESSI mission (2002 - 2018), we are generating a final Mission Archive in order to ensure the continued availability of the RHESSI science data in the future. The data archive and associated documentation will be hosted at the Solar Data Analysis Center (SDAC) (https://umbra.nascom.nasa.gov/) at Goddard. The latest RHESSI data analysis software and ancillary database files will continue to be available on SSW. In addition to the Level-0 and quicklook data files, a number of prepared products are also being archived at the SDAC, allowing both experienced and inexperienced users to view and analyze RHESSI data. These prepared products (which are in various states of completeness) include images of more than 75,000 flares in optimized time/energy bins, and fine and coarse resolution energy spectra and visibility data. The images can be viewed online and imagecube FITS files are available to download. The spectra and visibilities are provided in standard FITS files that can be downloaded and used in the RHESSI software environment, or read with standard FITS readers for stand-alone processing. For access to the archive products, please go to the RHESSI web site at https://hesperia.gsfc.nasa.gov/rhessi/ and click on the 'Mission Archive' tab (on the far right). This will take you to a summary of the products, their current status, and links to the various archives. Kim Tolbert and Brian Dennis

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Max Millennium News
by Keiji YOSHIMURA 07 Jul '21

07 Jul '21

MAX MILLENNIUM NEWS 7 July 2021 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 Measurements of Coronal Magnetic Field Strengths in Solar Active Region Loops -- David H. Brooks, Harry P. Warren, Enrico Landi Characteristic time of stellar flares on Sun-like stars -- Y Yan, H He, C Li, A Esamdin, B L Tan, L Y Zhang, H Wang 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 keiji.yoshimura at montana.edu

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MMScience July 2021