About the Workshop Registration Logistics Abstracts Agenda
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Workshop Charge: To explore the scientific breakthroughs made possible by repeated or sustained observations of the Sun’s polar regions, and to consider the technologies and orbital dynamics required to achieve measurements at the desired vantages.
Workshop Objective: Develop a science portfolio for a solar polar mission, present and discuss options on a baseline, and extended, suite of instrumentation, and develop a number of conceptual orbits available with existing launch capacity.
Workshop Motivation: For the first time in human history, our technology allows us to observe all longitudes of the solar atmosphere. The combined imaging data from SOHO, STEREO, and SDO have demonstrated some of the rotationally driven processes on our Star. They present a tantalizing glimpse of the Sun’s polar evolution when the data are pieced together, despite limitations arising the fact that all of these spacecraft are observing the poles from vantages close to the ecliptic plane. For decades, observations of high solar latitudes have been used as critical precursor input for predictions of decadal-scale solar activity. Many solar high-latitude phenomena -- including polar coronal holes, polar crown filaments, and the Sun’s torsional oscillations -- indicate a limiting latitude around 55 degrees (in each hemisphere) that apparently divides high- vs. low-latitude dynamical evolution. A polar view would directly reveal the Sun’s global-scale dynamics, investigate the sources of the fast solar wind, and witness the full lifetime of structures in the solar atmosphere from birth to death, including a Sun-to-Earth view of coronal mass ejections.
In this workshop we will take inventory of the science that might be accomplished by a solar polar mission. We will discuss mission architecture, maturity of required compact instrumentation, and technological limitations placed on any concept mission by currently available launch capacity and/or spacecraft propulsion systems.
An important precedent was set by the Ulysses mission, which obtained groundbreaking polar in-situ observations. Beyond this, numerous feasibility investigations of solar polar missions have already been undertaken. A key element of the workshop will be to capture the “lessons learned” from these past activities and to use them to effectively move forward in designing future solar polar missions.
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Invited Speakers
Tom Berger, CU Boulder
Aaron Birch, Max Planck Inst. for Solar System Research
Bob Ergun, CU Boulder/LASP
Don Hassler, SwRI
Carl Henney, AFRL
Neil Hurlburt, LMATC
Paulett Liewer, JPL/California Institute of Technology
Jeff Newmark, NASA/GRC
Gordon Petrie, NSO
Vic Pizzo, NOAA
Nour-Eddine Raoufi, JHUAPL
Pete Riley, Predictive Science Inc.
Karel Schrijver, LMATC
Leif Svaalgard, Stanford University
Alan Title, LMATC
Lisa Upton, NCAR/HAO
Maria Weber, University of Chicago
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SOC
Scott McIntosh (NCAR / HAO)
Sarah Gibson (NCAR / HAO)
Craig DeForest (SWRI)
Marco Velli (UCLA)
Les Johnson (NASA / MSFC)
Justin Kasper (Harvard CfA)
Michael Thompson (NCAR)
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Attendees
Thierry Appourchaux, Institut d'Astrophysique Spatiale
Douglas Braun, NWRA
Amir Caspi, SwRI
Steven Cranmer, CU Boulder
Kunjal Dave, C. U. Shah University
Curt de Koning, CU Boulder / CIRES-SWPC
Nicole Duncan, Ball Aerospace
Heather Elliott, SwRI
Chris "Gilly" Gibson, LASP / CU
Stuart Gilchrist, NWRA
Sanjay Gosain, National Solar Observatory
Stuart Jeffries, Georgia State University
Michael Kirk, NASA GSFC / Catholic University of America
Rudolf Komm, NSO
Vladimir Krasnoselskikh, LPCEE, CNRS, Orleans, France/ SSL, UCB, Berkeley, USA
Robert Leamon, University of Maryland / NASA GSFC
Robert Loper, Air Force Institute of Technology
Chris Lowder, SwRI
Chip Manchester, University of Michigan
Dave Manzella, NASA
Valentin Martinez Pillet, National Solar Observatory
David McComas, Princeton University
Nariaki Nitta, LMATC
Leon Ofman, NASA GSFC / CUA
Olga Panasenco, Advanced Heliophysics
W. Dean Pesnell, NASA / GSFC
Arakel Petrosyan, Russian Academy of Sciences
Dan Seaton, CU CIRES & NOAA NCEI
Mitchell M.H. Shen, CU Boulder
Marty Snow, CU Boulder / LASP
Jeffrey Van Cleve, Ball Aerospace
Martin Woodard, NWRA
Junwei Zhao, W.W. Hansen Experimental Physics Laboratory, Stanford University
