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Team Report Flare Dynamics in the Lower Solar Atmosphere Team Report Flare Dynamics in the Lower Solar Atmosphere

Team Report Flare Dynamics in the Lower Solar Atmosphere - PowerPoint Presentation

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Uploaded On 2022-06-14

Team Report Flare Dynamics in the Lower Solar Atmosphere - PPT Presentation

Joel Allred NASA GSFC Team 1 Phil Judge HAO amp Lucia Kleint Original PI Team 2 Alexander Kosovichev NJITStanford Team 3 Chang Liu NJITTeam 4 ID: 918070

flare team teams understanding team flare understanding teams progress field stanford sunquakes eams njit analysis data modeling solar flares

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Slide1

Team ReportFlare Dynamics in the Lower Solar Atmosphere

Joel Allred (NASA GSFC) --Team 1

Phil Judge (HAO) & Lucia

Kleint

(Original PI)-- Team 2

Alexander

Kosovichev

(NJIT/Stanford) –Team 3

Chang Liu (NJIT)--Team 4

Vahe

Petrosian

(Stanford)-- Team 5

Haimin

Wang (

NJIT)--

Team 6

Slide2

Main collaborative results

T

eams 2 and 5 on RADYN simulations that match very well with observations of spectral line profiles;

T

eams 2, 4, 6 on IRIS and magnetic field data analysis, discovered new flare topologies and emission patterns;

T

eams 1 and 6 on the discovery and understanding of negative flares;

Teams 3 and 5 on thick-target modeling;

Teams 3, 4, 6 on analysis and gained basic understanding of

sunquakes

;

Teams 1 and 5 on the combination of Stanford flare code with hydrodynamic code successfully

Slide3

Key results: publications, presentations, awards…

Over 50 refereed journal publications, almost all in high-impact journals such as

ApJ

, one paper in Nature Communications; similar number presentations were made in domestic and international conferences

Involving 6 Ph.D. students, and around 10 junior researchers

Regular team meetings with active participations from all teams

Obtained several well observed events from multi-observatories and wavelengths, including most advanced data from BBSO 1.6m telescope, newly upgraded EOVSA, and most recent solar mission IRIS

Slide4

Summary and lessons learned

With joint observational and modeling effort we gained fundamental understanding and made discoveries related to the lower atmospheric dynamics of flares. All team goals have been either fully or most fulfilled;

The education/training is an important part of the process. We had very good experience in involving different team members of Ph.D. Thesis committee;

Selecting team observational events that have comprehensive coverage ensured success in data analysis and modeling.

Slide5

Have you achieved the team goal?

Progress in understanding the transport of energy and momentum into the interior from the solar atmosphere (sunquakes) during flares.---

mostly, however, explanations to sunquakes are not unique

Progress in understanding high-energy phenomena in the impulsive phase of a flare.—

yes

Extensions of the

photospheric

field changes from the line-of-sight field to the full vector field. –

yes

Progress in revising the standard thick-target model of the flare impulsive phase.–

considerable progress and more on the way

Slide6

Example of Most Advanced Flare Observation as a Team Event