The hottest object in the solar system
is the coolest thing to study
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I'm Sreejith Padinhatteeri
I'm Sreejith Padinhatteeri
Assistant Professor, MCNS, MAHE
Operations Manager, Solar Ultraviolet Imaging (SUIT)
Hi! I’m Sreejith Padinhatteeri, a researcher in solar physics fascinated by the Sun’s dynamic and ever-changing behaviour, studying it along with my students and collaborators.
As the operations manager for SUIT, I'm involved in the planning and execution of payload operations and other POC-related tasks for SUIT.
Links
Links
Research Interests
Research Interests
Magnetic Activities in the Solar Photosphere
Penumbral Formation Around Sunspots
Flare-Sunspot coupling
Photospheric-Chromospheric coupling
Flare detection algorithims
Instrumentation
Solar Ultraviolet Imaging Telescope
Solar Ultraviolet Imaging Telescope
The Solar Ultraviolet Imaging Telescope (SUIT) is one of the remote sensing payloads aboard the Aditya-L1 mission of the Indian Space Research Organisation (ISRO), launched on September 2, 2023. Designed for both full-disk and targeted observations, SUIT captures near-simultaneous images of the Sun at multiple atmospheric heights—spanning the photosphere to the chromosphere—using 11 scientifically calibrated filters (3 broadband and 8 narrowband) covering wavelengths from 200 to 400 nanometers. Operating from the first Lagrange point (L1), SUIT can observe the Sun continuously, 24/7, without interruptions.
The mission’s primary scientific goal is to investigate the complex interactions within the magnetized solar atmosphere, focusing on dynamic and energetic events such as jets, flares, filament evolution, and eruptions. For the first time, SUIT will also enable spatially resolved measurements of solar spectral irradiance in a wavelength range critical for understanding the Sun–climate connection.
To support solar flare studies, SUIT incorporates an onboard intelligent detection system capable of identifying, localizing, and adjusting exposure for such events in real time. This advanced mechanism helps prevent detector saturation, ensuring high-quality data capture and enhanced scientific return from these high-energy solar phenomena.
Know more about SUIT at https://suit.iucaa.in
Ph.D. Students
Ph.D. Students
Post-Docs
Post-Docs
Project Students
Project Students
Adithya H.N. (2023 - present)
Munjiba M.M (2024 - present)
Atul Bhat (2024 - present)
Megha Anand ( 2024 - present)
Soumya Roy (2025)
Harshavardhan Hegde (2025 - present) - M.Sc. Project
Ashwini Shenoy (2024 - 2025) - M.Tech. Project
Alona Jacob (2024 - 2025) - M.Sc. Project
Prakar Singh (2023) - Summer Intern at MCNS
Shubhashree Shenoy (2022 - 2024) - M.Sc. Project
Munjiba MM (2022 - 2024) - M.Sc. Project
Bishal Kumar (2021 - 2023) - M.Sc. Project
Shashank Mishra (2019) - Vacation Students Program at IUCAA
Courses Taught
Courses Taught
Introduction to Astrophysics ( at MCNS)
Introduction to Astrophysics [Minor] (at MIT Manipal)
Grants, Awards & Recognition
Grants, Awards & Recognition
ISRO RESPOND Grant to develop Solar Imaging Magetogram , 2025
Life Member - Astronomical Society of India. (L2522)
Outreach - Invited Lectures, Talks, Seminars
Outreach - Invited Lectures, Talks, Seminars
Seminar on 'Recent Indian Space Science Missions' at St. Joseph Engg. College, Mangaluru, 24 May 2024
Session on 'Solar Ultra-violet Imaging Telescope (SUIT)' at the 2nd Indian Space Weather Conference by Physical Research Laboratory, Ahmedabad - 19-20 October 2023
Talk on 'Aditya L1 - India's First Dedicated Space Observatory to study The Sun' at Sri Madhwa Vadiraja Institute of Technnology and Management - September 15 2023
Seminar on 'Effect of Active Region Dynamics on Solar Flare Trigger' at CESSI, 2017
Publications
Publications
Adithya, H. N., Sreejith, P., Roy, S., Sankarasubramanian, K., Durgesh Tripathi, et al., Multi-Wavelength Diagnostics of Pre-Flare Evolution with Aditya-L1:From the Solar Chromosphere to the Corona, Monthly Notices of Royal Astronomical Society (MNRAS), submitted.
Atul Bhat, Sreejith Padinhatteeri, J.M. Borrero, Jayant Joshi, Apparent Transverse Motion of Light Bridges Coupled to Coronal Loop Dynamics, The Astrophysical Journal (ApJ), submitted.
Rahul Gopalakrishnan, Soumya Roy, ... Sreejith Padinhatteeri, ... Adithya H. N., et al., "Unraveling the Secrets of the lower Solar Atmosphere: One year of Operation of the Solar Ultraviolet Imaging Telescope (SUIT) on board Aditya-L1", Journal of Astrophysics and Astronomy (JoAA), 2026. In press.
Sarkar, Janmejoy ; Ghosh, Avyarthana ; Padinhatteeri, Sreejith, et al., "Design, fabrication, and characterization of the thermal filter assembly on the Solar Ultraviolet Imaging Telescope onboard Aditya-L1", Journal of Astronomical Telescopes, Instruments, and Systems (JATIS), 11, 2025. doi:10.1117/1.JATIS.11.3.034004
Roy S, Tripathi D, Upendran V, Padinhatteeri S, Ramaprakash AN, et al., "X-class Flare on 2023 December 31 Observed by the Solar Ultraviolet Imaging Telescope on Board Aditya-L1"; The Astrophysical Journal Letters, 983, L6, 2025. doi:10.3847/2041-8213/adc387
Tripathi D, Ramaprakash AN, Padinhatteeri S, Sarkar J, et al., "The Solar Ultraviolet Imaging Telescope on Board Aditya-L1"; Solar Physics, 300, 2025. doi:10.1007/s11207-025-02423-1
Roy S, Tripathi D, Padinhatteeri S, Ramaprakash AN, et al., "Near- and Mid-Ultraviolet Observations of X-6.3 Flare on 2024 February 22 Recorded by the Solar Ultraviolet Imaging Telescope on Board Aditya-L1"; The Astrophysical Journal Letters, 981, L19, 2025. doi:10.3847/2041-8213/adb0be
Sarkar J, Deogaonkar R, Kesharwani R, Padinhatteeri S, Ramaprakash AN, Tripathi D, Roy S, Ahmed GA, Chatterjee R, Ghosh A, K S, Khan A, Mehandiratta N, Pillai N, Singh S; "Science Filter Characterization of the Solar Ultraviolet Imaging Telescope (SUIT) on Board Aditya-L1"; Experimental Astronomy, 59, 2024. doi: 10.1007/s10686-024-09973-5
Sarkar J, Roy S, Ramaprakash AN, Deogaonkar R, Padinhatteeri S, Tripathi D, Ghosh A, Ankala RB, Ahmed GA; "Photometric Calibration and Spectral Validation of the Solar Ultraviolet Imaging Telescope Onboard Aditya-L1"; Journal of Astronomical Telescopes, Instruments, and Systems, 11, 2025. doi:10.1117/1.jatis.11.1.014005
Varma M, Padinhatteeri S, Sinha S, Tyagi A, Burse M, Yadav R, Kumar G, Ramaprakash AN, Tripathi D, Sankarasubramanian K, Nagaraju K, Vadodariya K, Tadepalli S, Deogaonkar R, Olekar M, Azaruddin M, Unnikrishnan A; "The Solar Ultra-Violet Imaging Telescope (SUIT) Onboard Intelligence for Flare Observations"; Solar Physics, 298, 2023. doi:10.1007/s11207-023-02108-7
Varma M, Padinhatteeri S, Sinha S, Tyagi A, et al., "Correction to: The Solar Ultra-Violet Imaging Telescope (SUIT) Onboard Intelligence for Flare Observations"; Solar Physics, 299, 2024. doi:10.1007/s11207-024-02277-z
Varma SVM, Tyagi A, Joshi B, Yadav R, ... Padinhatteeri S,... et al., "The Solar Ultraviolet Imaging Telescope: Detector Characterization and Readout Electronics Testing"; RAS Techniques and Instruments, 2, 256–263, 2023. doi:10.1093/rasti/rzad013
Ghosh A, Kesharwani R, Khan AR, Padinhatteeri S, Tripathi D, et al., "The Thermal Filter for the Solar Ultraviolet Imaging Telescope (SUIT) On-Board Aditya-L1"; Proc. SPIE 12181, Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray, 172, 2022. https://doi.org/10.1117/12.2629760
Shenoy AN, Vijayasenan D, Bobbi RS, Padinhatteeri S, Adithya HN; "A Novel Feature Selection Method for Solar Flare Forecasting"; 2024 IEEE Space, Aerospace and Defence Conference (SPACE), Bangalore, India, pp. 656–659, 2024. doi:10.1109/SPACE63117.2024.10668098
Padinhatteeri S et al.; "Solar Ultraviolet Imaging Telescope (SUIT) Forward Modeling"; 2022 AGU Fall Meeting, Abstract SH23A-07, 2022. https://ui.adsabs.harvard.edu/abs/2022AGUFMSH23A..07R/abstract
Shenoy SS, Padinhatteeri S, Narendranath S; 42nd Meeting of the Astronomical Society of India (ASI), vol. 42, Art. no. P234, 2024.
Sarkar J, Roy S, Deogaonkar R, Ramaprakash AN, Tripathi D, Padinhatteeri S, Joshi B et al.; "[Title not available]"; 42nd Meeting of the Astronomical Society of India (ASI), vol. 42, Art. no. P12, 2024.
Munjiba MM, Singh P, Adithya HN, Padinhatteeri S, Athiray PS; "Study of Solar Atmospheric Heating due to Non-Flaring Active Region"; 42nd Meeting of the Astronomical Society of India (ASI), vol. 42, Art. no. P235, 2024.
Adithya HN, Sreejith P; "Long-term Comparison Study of Coronal Temperature Maps Derived using XRT and AIA"; 42nd Meeting of the Astronomical Society of India (ASI), vol. 42, Art. no. P241, 2024.
Padinhatteeri S, Higgins PA, Bloomfield DS, Gallagher PT; "Automatic Detection of Magnetic δ in Sunspot Groups"; Solar Physics, 291(1), 41–53, 2016.
Padinhatteeri S, Sridharan R, Sankarasubramanian K; "Seeing-Induced Errors in Solar Doppler Velocity Measurements"; Solar Physics, 266, 195–207, 2010.
Amareswari K, Padinhatteeri S, Sankarasubramanian K; "Connection between Active Region Complexity and Solar Flare Strength"; Proceedings of the International Astronomical Union, 13, 75–76, 2018.
Padinhatteeri S, Bloomfield DS, Gallagher PT, Higgins PA, Scullion E; "δ-Formation and its Effects on the Solar Atmosphere". [Conference Proceedings, year not specified]
Padinhatteeri S; "Formation and Evolution of Penumbra"; Astronomical Society of India Conference Series, 9, 73, 2013.
Padinhatteeri S, Sankarasubramanian K; "Flare Induced Penumbra Formation in the Sunspot of NOAA 10838"; Proceedings of the International Astronomical Union, 6, 303–307, 2011.
Padinhatteeri S, Tritschler A, Sankarasubramanian K; "The Growth of a Primitive Penumbra"; In: Magnetic Coupling between the Interior and Atmosphere of the Sun, 413–416, 2010.
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