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International Workshop on Physics of Near- and Mid-UV Radiation from the Sun and Its Effects on Climate

October 21–23, 2026 IUCAA, Pune
Full-disk solar ultraviolet observations from the Solar Ultraviolet Imaging Telescope (SUIT) aboard Aditya-L1
09:30 – 10:00
Registration and Welcome Address
Director IUCAA, Poonam Suri (MPG), Elizabeth Songate (Göttingen University)
10:00 – 10:30
"Aditya-L1 Mission—Science Goals"
K. Sankarasubramanian
10:30 – 11:00
"Aditya-L1 Mission status and technical challenges"
M. Srikant
11:00 – 11:30
Tea/Coffee Break with posters
11:30 – 11:50
"The SUIT instrument—concept and science goals"
Durgesh Tripathi
11:50 – 12:10
"Data assimilation, calibration, and data products from SUIT"
P. Sreejith
12:10 – 12:30
"Modelling of stray light and limb darkening profile measurement"
V. N. Nived
12:30 – 12:50
"Stellar Calibration of SUIT"
Sojwal Rajmane
12:50 – 14:00
Lunch Break
14:00 – 14:20
"SUIT Operations"
Rahul Gopalakrishnan
14:20 – 14:40
"Level-2 data processing for SUIT"
Janmejoy Sarkar
14:40 – 15:00
"A physics-informed, self-supervised implicit neural network approach to blind deconvolution of SUIT/Aditya-L1 Images"
Srinjana Routh
15:00 – 15:30
"Solar variability on time scales of relevance to climate"
Natalie Krivova
15:30 – 16:00
Tea/Coffee Break with posters
16:00 – 16:30
"Connecting chromospheric emission to photospheric magnetic field"
Theodosios Chatzistergos
16:30 – 16:50
"Intensity contrast of magnetic features in the UV and their roles in solar spectral irradiance"
Ajay Kumar Yadav
16:50 – 17:10
"The first spatially resolved Mg II index from SUIT"
Megha Anand
17:10
Closing remarks for the day
10:00 – 10:30
To be confirmed
Dibyendu Nandi
10:30 – 10:50
"First Solar Prominence observed with SUIT: a multi-wavelength study"
P. Sreebala
10:50 – 11:20
"Long-term study of the prominence and relevance of SUIT measurements"
Dipankar Banerjee
11:20 – 11:50
Tea/Coffee Break with posters
11:50 – 12:10
"Balmer Continuum enhancement in SOL2024-10-03T12:15"
Soumya Roy
12:10 – 12:30
"Solar Flare Analysis Using SUIT Data"
Deepak Kathait
12:30 – 12:50
"Multi-wavelength study of Pre-flare activities with Aditya-L1"
Adithya H.N.
12:50 – 14:00
Lunch Break
14:00 – 14:20
"Plasma and magnetic field characteristics during Energetically-rich Soft X-ray-weak flares: Insights from Solar Orbiter and ADITYA-L1 Observations"
Arun Kumar Awasthi
14:20 – 14:40
"Investigating Solar Coronal Transients using Multi-wavelength Observations and Data-Constrained MHD Simulations"
Sanjay Kumar
14:40 – 15:00
"Multi-Wavelength Investigation of Confined Solar Flares and Their Magnetic Field Topology"
Alok Ranjan Tiwary
15:00 – 15:20
"Fine Structure Dynamics and Three-Dimensional Numerical Reconstruction of a Quiescent Filament"
Garima Karki
15:20 – 15:50
Tea/Coffee Break with posters
15:50 – 16:10
"Coordinated observations with MAST and SUIT"
Shibu K. Mathew
16:10 – 16:30
"Small-scale dynamics in the lower solar atmosphere"
Jayant Joshi
16:30 – 16:50
"UV Emissions from ARs with Different Magnetic Complexities"
Munjiba M M
Evening (TBD)
Workshop Dinner • Toit Brewery & Restaurant, Kalyani Nagar
Official conference dinner for registered participants and guests.
10:00 – 10:20
"Solar F-mode and its diagnostic significance"
Nishant Singh
10:20 – 10:40
"Waves and oscillations in the sunspot umbra"
Girjesh Gupta
10:40 – 11:00
"Investigating sunspot oscillations with SUIT"
Sudip Mandal
11:00 – 11:20
"MHD Waves in Solar Atmosphere"
Nitin Yadav
11:20 – 11:40
"Relation between EUV waves and type II radio bursts"
Ramesh Chandra
11:40 – 12:15
Tea Break
12:15 – 13:00
General discussion, possible projects, and collaborations
Plenary discussion on future joint research campaigns and data exploitation.
13:00
Lunch and Departure

Poster Presentations

Displayed during 21st & 22nd October
Poster P-01
Harshavardhan G. Hegde
"Active region studies using SUIT and IRIS"
Poster P-02
Kamal Joshi
"Study of failed filament eruptions from active region NOAA 11976"
Poster P-03
Apoorv Dashora
"Characteristics of two Extreme-ultraviolet (EUV) waves"
Poster P-04
K. R. Premkumar
"Sun-as-a-star spectroscopic observation of a flare"
Poster P-05
Anjan Banerjee
"Magneto-hydrostatic modelling of solar atmosphere"
Poster P-06
Rajesh Mandal
"Effect of Dynamo-generated Large-scale Magnetic Fields on the f-mode"
Poster P-07
Debasish Krishnatreya
"Title to be given"

Participants

# Participant Name Institute / University
01K. SankarsubramanianURSC, ISRO
02M SreekantISTRAC, ISRO
03Ramesh ChandraKumaun University, Nainital
04Girjesh GuptaUdaipur Solar Observatory / PRL
05Dipankar BanerjeeIIST, Thiruvananthapuram
06Natalie KrivovaMax Planck Institute for Solar System Research (MPS), Germany
07Alok Ranjan TiwaryJP University, Bihar
08Sudip MandalMCNS / MAHE, Manipal
09Nitin YadavIIT Delhi
10Jayant JoshiIndian Institute of Astrophysics (IIA), Bengaluru
11Sreejith PadinhatteeriMCNS / MAHE, Manipal
12Shibu K MathewUdaipur Solar Observatory / PRL
13Arun Kumar AwasthiUniversity of Delhi
14Upendra Kumar Singh KushwahaUniversity of Allahabad
15Sanjay KumarPatna University, Bihar
16Theodosios ChatzistergosMax Planck Institute for Solar System Research (MPS), Germany
17Sreebala P SUniversity College, Thiruvananthapuram
18Dibyendu NandiRaman Research Institute (RRI), Bengaluru
19Anjan BanerjeeIISc, Bengaluru
20Munjiba M MMCNS / MAHE, Manipal
21Harshavardhan G HegdeMCNS / MAHE, Manipal
22Srinjana RouthARIES, Nainital
23Ajay Kumar YadavMax Planck Institute for Solar System Research (MPS), Germany
24Kamal JoshiKumaun University, Nainital
25Garima KarkiKumaun University, Nainital
26Apoorv DashoraKumaun University, Nainital
27Adithya H.N.MCNS / MAHE, Manipal
28Debasish KrishnatreyaTezpur University
29K R PremkumarIndian Institute of Astrophysics (IIA), Bengaluru
30Soumya RoyPhysical Research Laboratory (PRL), Ahmedabad
31Megha AnandMCNS / MAHE, Manipal
32Nived V NIUCAA, Pune
33Sanjay YadavIUCAA, Pune
34Sojwal RajmaneIISER Pune
35Deepak KathaitUniversity College, Thiruvananthapuram
36Nishant SinghIUCAA, Pune
37Rahul GopalakrishnanIUCAA, Pune
38Rushikesh DeogaonkarIUCAA, Pune
39Sreejith S NairIUCAA, Pune
40Durgesh TripathiIUCAA, Pune
41A N RamaprakashIUCAA, Pune
42Rajesh MandalIUCAA, Pune
43Elizabeth Khawlhring SongateUniversity of Göttingen India Office, New Delhi
44Poonam SuriMax Planck Society (MPG) India Office, New Delhi
45Janmejoy SarkarMax Planck Institute for Solar System Research (MPS), Germany (Online)

Organizers

Durgesh Tripathi
IUCAA, Pune
Elizabeth Khawlhring Songate
University of Göttingen India Office, New Delhi
Poonam Suri
Max Planck Society (MPG) India Office, New Delhi

Local Organizing Committee (LOC)

Durgesh Tripathi
IUCAA, Pune
A N Ramaprakash
IUCAA, Pune
Nishant Singh
IUCAA, Pune
Rahul Gopalakrishnan
IUCAA, Pune
Sreejith Nair
IUCAA, Pune
Rushikesh Deogaonkar
IUCAA, Pune
Deepak Kathait
University College, Thiruvananthapuram
Sreebala P S
University College, Thiruvananthapuram

Venue & Travel Logistics

Meeting Venue

Institution: Inter-University Centre for Astronomy and Astrophysics (IUCAA)

Session Hall: Bhaskara 3, IUCAA

Address: Post Bag 4, Ganeshkhind, Savitribai Phule Pune University Campus, Pune, Maharashtra 411007, India

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Workshop Dinner

Date & Time: Thursday, October 22, 2026 (19:30 onwards)

Venue: Toit Brewery & Restaurant

Location: Kalyani Nagar, Pune, Maharashtra (~11 km from IUCAA)

Open Toit in Google Maps

How to Reach IUCAA, Pune

By Air
Pune Airport (PNQ)
Distance: ~14 km • Approx. 35–45 minutes

Pre-paid Taxi: Counter available inside the arrivals terminal hall.

App Cabs: Ola and Uber designated pick-up bays right outside the terminal.

Route: Via Airport Road → Yerwada → Sangamwadi → Sancheti Hospital → Ganeshkhind Road into Pune University campus.

By Train
Pune Railway Station (Pune Jn)
Distance: ~7 km • Approx. 20–25 minutes

Auto-Rickshaw: Pre-paid auto booth and metered autos available 24/7 outside Platform 1 exit.

App Cabs: Ola and Uber pick-up points at the main station portico.

Route: Via Sassoon Road → RTO → Sancheti Hospital → University Road to IUCAA.

By Bus / Local
Shivajinagar Station / Bus Stand
Distance: ~4 km • Approx. 10–15 minutes

Closest Transit Hub: Primary arrival point for intercity buses and Mumbai–Pune local trains.

Transit: Auto-rickshaws are readily available outside directly to University Main Gate / IUCAA (~₹70–₹100).

Via Expressway
Mumbai Airport (CSMIA - BOM)
Distance: ~150 km • Approx. 3.5–4 hours

Intercity Cabs: 24/7 shared or private AC taxis (KK Travels, Cool Cabs) drop passengers directly inside IUCAA via the Mumbai-Pune Expressway.

Express Trains: Trains from Mumbai CST / Dadar to Pune Junction (e.g. Deccan Queen, Pragati Express).

Contact Us

Workshop Coordination

IUCAA Solar Physics Group

Inter-University Centre for Astronomy and Astrophysics (IUCAA), Pune

Host Institution

IUCAA

Post Bag 4, Ganeshkhind, Savitribai Phule Pune University Campus

Pune 411007, Maharashtra, India

Inquiries

For questions regarding workshop registration, schedule, local travel, or accommodation:

Please feel free to email solarphysicsiucaa@gmail.com.