8th Coronal Loops Workshop: many facets of magnetically closed corona

Preliminary Programme

TUESDAY, JUNE 27

8:30 am Registration
9:00 am-9:15 am Welcome

Session 1 – Observation, modelling and diagnostics of coronal loops: from fine structure and dynamics to global active regions

9:15am – 10:30am

  • Coronal heating properties in active region core loops: observations and modeling of chromospheric/transition region/coronal emission – P. TESTA (Invited)
  • Observations and modeling of the fine strucutre of loops in the transition region and corona – D. BROOKS
  • The Loop Width Distribution – Are We Hitting Rock Bottom? – M. ASCHWANDEN
  • Using the Time Lag Analysis to Diagnose Coronal Heating in a Survey of Active Regions – N. VIALL

10:30am – 11:15am Coffee Break, E-posters

11:15am – 12:30pm

  • Flux-flux relations as statistical proxies of unresolved small-loop like structures – K. BARCZYNSKI
  • Transverse loop oscillations: new features from 3D MHD simulations – J. TERRADAS
  • Measuring Magnetic Field Tangling Using the Topological Entropy – S. CANDELARESI
  • Observations and Modelling of X6.9-class Flare-induced Vertical Kink Oscillations in a Large-scale Plasma Curtain – A. SRIVASTAVA
  • Discussion

12:30 pm – 3:00 pm Lunch break
3:00 pm – 4:00 pm

  • Forward modeling of nanoflares: What can we learn from IRIS? – J. REEP (Invited)
  • Rotational Motion In Transition Region Loops – A.A. CILLA
  • Fan Loops Observed by IRIS, EIS and AIA – A. GHOSH

4:00 pm – 4:45 pm Coffee Break, E-posters

Session 2 – Magnetic energy conversion in loops: reconnection, waves, and alternatives

4:45 pm – 5:30 pm

  • The effects of dissipation and magnetic twist on the formation of the Kelvin-Helmholtz instability in oscillating coronal loop – T. HOWSON
  • Energy release in braided coronal loops – D. PONTIN
  • Discussion

WEDNESDAY, JUNE 28

9:15 am – 10:30 am

  • Self-consistent coronal heating models in an MHD avalanche – A. HOOD (Invited)
  • Observable Signatures of Coronal Heating Frequency in a Global Active Region Model – W. BARNES
  • Modeling Nanoflares in AR 11726 Observed by EUNIS – J. ALLRED
  • Investigating the response of coronal loop plasma to nanoflares heating using RADYN simulations – V. POLITO

10:30 am – 11:15 am Coffee Break, E-posters

11:15 am – 12:30 pm

  • Current Sheet Proliferation and Coronal Heating – J. KLIMCHUK
  • The Onset of Magnetic Reconnection: Tearing Instability in Current Sheets with a Guide Field – L. DALDORFF
  • From monolithic or multi-stranded loops to turbulent loops using 3D simulations of wave heating – T. Van DOORSSELAERE
  • Nonlinear evolution of short-wavelength torsional Alfven waves – S. SHESTOV
  • Discussion

12:30 pm – 3:00 pm Lunch break

3:00 pm – 4:00 pm

  • MHD Wave Heating Mechanisms – I. DE MOORTEL (Invited)
  • Heating by transverse waves in simulated coronal loops – K. KARAMPELAS
  • Contribution of mode coupling and phase-mixing of Alfven waves to coronal heating – P. PAGANO

4:00 pm – 4:45 pm Coffee Break, E-posters

4:45 pm – 5:30 pm

  • Electron heating in coronal loops by Kinetic Alfven Wave turbulence – F. MALARA
  • Can the Sun’s internal acoustic modes energise the corona? – R. MORTON
  • Discussion

THURSDAY, JUNE 29

Session 3 – Connection of loops to cool chromospheric plasma: the mass and energy cycle

9:15 am – 10:30 am

  • Thermal Nonequilibrium in Coronal Loops – Z. MIKIC (Invited)
  • A New Approach for Modelling Chromospheric Evaporation in Response to Enhanced Coronal Heating – C. JOHNSTON
  • Observations and modeling of transition region and coronal heating associated with spicules – B. DE PONTIEU
  • Numerical Simulations of the Generation of Type II Spicules – J. MARTINEZ-SYKORA

10:30 am – 11:15 am Coffee Break, E-posters

11:15 am – 12:30 pm

  • Transverse Wave Induced Kelvin-Helmholtz Rolls in Spicules – P. ANTOLIN
  • Connecting solar coronal loops to their photospheric footpoints – L.P. CHITTA
  • Formation of chromospheric and coronal loops as a result of flux emergence – V. HANSTEEN
  • EIS and IRIS observations of coronal rain – I. UGARTE-URRA
  • Discussion

12:30 pm – 3:00 pm Lunch break

3:00 pm – 4:00 pm

  • Stratification and time scale of the heating from long period intensity pulsations in coronal loops – C. FROMENT (Invited)
  • Identifying Observables that Discriminate Between Impulsive and Footpoint Heating: Long Time Delays – A. WINEBARGER
  • Periodic pulsations of coronal loops and coronal rain: a unified picture – F. AUCHERE

4:00 pm – 4:45 pm Coffee Break, E-posters

4:45 pm – 5:30 pm

  • Stratification and time scale of the heating from long period intensity pulsations in coronal loops – C. FROMENT
  • Search for predicted pulsations in plasma velocity, temperature and density in loops undergoing thermal non-equilibrium – G. PELOUZE
  • Discussion

FRIDAY, JUNE 30

Session 4 – Challenges in the interpretation of observed loop spectra

9:15 am – 10:30 am

  • AR heating, observational constraints – G. DEL ZANNA (Invited)
  • A robust temperature diagnostic for coronal loops – S. REIGNER
  • Probing Fine Time Scale Variations in the Quiet Sun Brightness Temperatures at Metrewaves – S. ROHIT
  • Thermal Diagnostics of the Solar Corona with SDO/AIA – M. CHEUNG (TBC)

10:30 am – 11:15 am Coffee Break, E-posters

11:15 am – 12:30 pm

  • Exploring hot loop plasma with hard X-rays – L. GLESENER (Invited)
  • A Wide-Field Coronal EUV Imager-Spectrometer for Studies of Coronal Dynamics – L. GOLUB
  • Spectroscopic Investigation of very hot plasma in quiescent off-limb active region: Spatial and Temporal Properties – S. PARENTI
  • Discussion

12:30 pm – 3:00 pm Lunch break

3:00 pm – 4:00 pm

  • Non-Maxwellian line profiles in transition-region loops observed by IRIS – J. DUDIK
  • Evidence for Impulsive Coronal Heating from EUNIS: Past (2013) and Future (2017) – A. DAW
  • Retracting Loops and Long-duration Gamma Rays – H. HUDSON
  • Discussion

4:00 pm – 4:45 pm Coffee Break, E-posters

4:45 pm – 5:30 pm Conclusions and perspectives