Scientific Program


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IT: Invited Talk
CT: Contributory Talks

Day 1: 13/10/2025 (Monday)

8:30-9:30 Onsite Registration & Badge Collection
9.30-10:00 Welcome Addresses & Announcements
Session 1: Dynamics of Solar Interior and Solar Magnetism
Session Chair: S S Hasan
Time Session / Speaker Topic
10:00-10:20 (IT) Sabrina Bechet, ROB, Belgium Sunspot Drawings Analysis: Past Data, Current Status, and Future Trend
10:20-10:40 (IT) Prantika Bhowmik, IISc, India Understanding the Physics of Sunspot Cycle Predictions
10:40-10:55 (CT) Dibya Kirti Mishra, ARIES, India Automatic Detection of Plages in Historical Kodaikanal Solar Observatory Suncharts Using Machine Learning Technique
10:55–11:30 Tea Break
Session 1: Dynamics of Solar Interior and Solar Magnetism
Session Chair: S S Hasan
11:30-11:50 (IT) Subhamoy Chatterjee, SWRI, USA Exploring the Missing Link between Surface Observations and Subsurface Dynamics through Physics-Informed Neural Networks
11:50-12:05 (CT) Soumyadeep Chatterjee, IIT-Kanpur, India Probing Magnetic Field Inside the Sun from Three Decades of Observed Surface Magnetograms
12:05-12:25 (IT) Bibhuti Kumar Jha, SWRI, USA The Origin and Importance of Active Region Tilt in Solar Magnetism
12:25-2:00 pm Lunch
Session 1: Dynamics of Solar Interior and Solar Magnetism
Session Chair: Dibyendu Nandi
2:00-2:20 (IT) S P Rajaguru, IIA, India The Internal Meridional Circulation of the Sun
2:20-2:40 (IT) Bidya Binay Karak, IIT-BHU, India Understanding Long-Term Variations in the Solar Cycle
2:40-2:55 (CT) Srinjana Routh, ARIES, India Polar Filaments as Indicators of High-Latitude Solar Field Interactions and Sunspot Cycle Strength
2:55-4:00 Tea + Poster Session
Session 2: Photospheric and Lower Atmospheric Dynamics
Session Chair: Dibyendu Nandi
4:00-4:20 (IT) Jayant Joshi, IIA, India Quiet-Sun Ellerman Bombs: Ubiquity, Heating Signatures, and Links to Spicules
4:20-4:40 (IT) Sahel Dey, University of Newcastle, Australia The Interplay of Solar Spicules and Coronal Swirling Conduits: from 3D MHD Models to Observations
4:40-4:55 (CT) Megha A, MAHE, Manipal, India The SUIT Index: Full-disk Mg II Core-to-Wing Ratio
End of Day 1

Day 2: 14/10/2025 (Tuesday)

Session 2: Photospheric and Lower Atmospheric Dynamics
Session Chair: Tanmoy Samanta
Time Session / Speaker Topic
9:30-9:50 (IT) Heesu Yang, KASI, Korea Hα Dark Blobs and Transparent Regions at the Fronts of Fan-Shaped Jets
9:50-10:10 (IT) Lisa Upton, SWRI, USA Quantification of the Rate of Active Region Emergence on the Sun
10:10-10:30 (IT) Nitin Yadav, IIT-Delhi, India From Photospheric Vortices to Torsional Alfvén Waves: Pathways for Energy Transport in the Solar Atmosphere
10:30-10:45 Group Photo at VSSC
10:45-11:15 Tea Break
Session 3: MHD Waves in the Sun
Session Chair: Dipankar Banerjee
11:15-11:35 (IT) Marcel Goossens, KU Leuven, Belgium Fundamental Properties of MHD Waves in Non-Uniform Flowing Solar Plasmas
11:35-11:55 (IT) S Krishna Prasad, ARIES, India Height-Dependent Energy Flux of Slow Waves in the Lower Solar Atmosphere
11:55-12:15 (IT) Manuel Luna, UIB, Spain Oscillations and Waves in Solar Prominences: Observations and Physical Implications
12:15-12:30 (CT) Upasna Baaweja, ARIES, India Investigation of Co-existence of longitudinal and transverse oscillations in polar plumes observed with Solar Orbiter/EUI
12:30-2:00 pm Lunch
Session 3: MHD Waves in the Sun
Session Chair: Vaibhav Pant / Anshu Singh
2:00-2:20 (IT) Tobías Felipe, IAC, Spain Dynamics of Umbral Flashes in Sunspots and Pores: Insights from High-Resolution Observations and Modeling
2:20-2:40 (IT) Sudip Mandal, MPS, Germany The Mystery of Decayless Kink Oscillations in Solar Coronal Loops
2:40-2:55 (CT) Sankalp Srivastava, IIA, India The Connection between Spicules and Propagating Coronal Disturbances from Radiative MHD Simulations of the Solar Atmosphere
2:55-3:15 (IT) Girjesh Gupta, USO, India Source Region, Damping, and Seismological Application of 3-minute Slow Waves Propagating along Umbral Fan Loops
3:15-4:15 Tea + Poster Session
Special Session at Conference Dinner Venue
Session Chair: Dibyendu Nandi
5:45-6:45 (Special Talk)
Dipankar Banerjee, IIST, India
Past and Future of Solar Physics in India: A Personal Perspective
6:45-8:45 Conference Dinner
End of Day 2

Day 3: 15/10/2025 (Wednesday)

9:30-12:00 Excursion- Space Museum Tour
12:00-1:30 pm Lunch
Session 4: Dynamics and Coupling in the Solar Atmosphere
Session Chair: Durgesh Tripathi
Time Session / Speaker Topic
1:30-1:50 (IT) Pradeep Kashyap, VIT-Bhopal, India Ultraviolet Spectroscopy of the Transients/Regions of the Solar Atmosphere
1:50-2:10 (IT) Bhuwan Joshi, USO, PRL, India Multi-Scale Coronal Transients Driven by Magnetic Reconnection in 2D and 3D
2:10-2:30 (IT) Nancy Narang, ROB, Belgium Transient EUV Brightenings at the Finest Scales: New Insights from Solar Orbiter
2:30-2:45 (CT) Annu, IIA, India Dynamics of Reconnection Nanojets in Eruptive and Confined Solar Flares
2:45-3:45 Tea + Poster Session
Session 4: Dynamics and Coupling in the Solar Atmosphere
Session Chair: Piyali Chatterjee / Durgesh Tripathi
3:45-4:05 (IT) Jordi de Jonge, KU Lueven, Belgium Thermal Instability in the Stratified Solar Atmosphere, Coronal Loops and Current Sheets
4:05-4:25 (IT) Arpit Kumar Shrivastav, SWRI, USA Probing Dynamics in a Pseudostreamer using Inner and Middle Corona Observations of Solar Orbiter
4:25-4:40 (CT) Soumya Roy, IUCAA, India White-Light Continuum Across the Balmer Jump: Coordinated SUIT, HEL1OS, IRIS, and AIA Observations of the 2024 October 3 Flare
4:40-5:00 (IT) Shanwlee Sow Mondal, NASA-GSFC, USA Characterizing Nanoflare Energy and Frequency through Field Line Analysis
End of Day 3

Day 4: 16/10/2025 (Thursday) at IIST

Session 5: Solar Energetic Phenomena
Session Chair: S Krishna Prasad
Time Session / Speaker Topic
9:45-10:05 (IT) Divya Oberoi, TIFR-NCRA, India Solar Radio Studies with the SKAO: Status and Opportunities
10:05-10:25 (IT) P Sreejith, MAHE-Manipal, India Solar Transient Studies with SUIT onboard Aditya-L1
10:25-10:45 (IT) Gopal Hazra, IIT-Kanpur, India The Role of Stellar Coronal Mass Ejections in Driving Exoplanet Space Weather
10:45-11:00 Group Photo at IIST
11:00-11:35 Tea Break
Session 5: Solar Energetic Phenomena
Session Chair: Ankush Bhaskar
11:35-11:55 (IT) N P S Mithun, PRL, India The X-ray Sun: A Spectroscopic Perspective
11:55-12:15 (IT) Aveek Sarkar, PRL, India Wave Activity in the Upstream Regions of ICME Shocks
12:15-12:30 (IT) Mihir Desai, SWRI, USA Solar Energetic Particle Events
12:30-2:00 pm Lunch
2:00-2:20 (IT) Sargam Mulay, University of Glasgow, UK Behaviour of Cool UV Emission from Molecular Hydrogen in Three Solar Flares
Session 6: Space Weather in the Heliosphere
Session Chair: Anshu Singh
2:20-2:40 (IT) Ritesh Patel, SWRI, Boulder, USA Direct In situ Observations of Eruption-associated Magnetic Reconnection in the Solar Corona
2:40-3:00 (IT) Bhargav Vaidya, IIT-Indore, India Space Plasma Processes in the Sun-Earth Environment and their Modelling
3:00-3:15 (CT) Prateek Mayank, University of Colorado, USA Next-Generation MHD Modeling Of Solar Wind Using Neural Operators
3:15-3:35 (IT) Satheesh Thampi, VSSC, India Science with Aditya-L1 PAPA
3:35-3:55 (IT) Vipin Kumar Yadav, VSSC, India Science with Aditya-L1 MAG
4:00-7:30 High-Tea & Cultural Event at IIST
End of Day 4

Day 5: 17/10/2025 (Friday)

Session 6: Space Weather in the Heliosphere
Session Chair: Tarun Kumar Pant/Piyali Chatterjee
Time Session / Speaker Topic
9:30-9:50 (IT) Nandita Srivastava, USO, PRL, India Unveiling CME Dynamics in the Heliosphere
9:50-10:10 (IT) Wageesh Mishra, IIA, India Thermal State of CMEs and Its Space Weather Implications
10:10-10:30 (IT) Satabdwa Majumdar, Austrian Space Weather Center, Austria What Causes Errors in Wang-Sheeley-Arge Solar Wind Modelling at L1?
10:30-10:45 (CT) Priyansh Jaswal, CESSI, IISER-Kolkata, India Implementing Neural Networks to predict whether an Active Region will spawn a Coronal Mass Ejection in the near future or not
10:45-11:15 Tea Break
Session 7: Future Instrumentation and Space Missions
Session Chair: K Sankarasubramanian
11:15-11:35 (IT) Craig De Forest, SWRI, USA Imaging the Sun in Context with PUNCH: Mission Overview and First Results
11:35-11:55 (IT) B Ravindra, IIA, India India's National Large Solar Telescope (NLST) for High-Resolution Solar Atmospheric Research
11:55-12:15 (IT) Sanjay Gosain, NSO, USA Solar Vector Magnetographs from Ground and Space: Past, Present, and Future
12:15-12:35 (IT) K Nagaraju, IIA, India Potential of EUV Spectropolarimetry to Probe Coronal Magnetic Fields
12:35-2:00 pm Lunch
Session 7: Future Instrumentation and Space Missions
Session Chair: K Sankarasubramanian
2:00-2:20 (IT) Andrei Zhukov, ROB, Belgium Observing the Solar Corona by the ASPIICS Coronagraph aboard the Proba-3 Formation-Flying Mission
2:20-2:40 (IT) Manju Sudhakar, ISRO, India Probing Fundamental Flare Physics: The Scientific Case for Advanced X-ray and Gamma-ray Instrumentation
2:40-4:00 Discussion: Future Space and Ground-based Solar Instrumentation in Collaboration with International Partners
End of Day 5
End of the Conference