Reader - F
tghoshniser.ac.in
+91-674-2494000 > 2292
2019 - Present - Reader-F at NISER
2017 - 2019 - Assistant Professor at NISER
2016 - 2017 - Postdoctoral scholar, Caltech, U.S.A
2012 - 2015 - Postdoctoral scholar, Institute d' Astrophysique Spatiale, France
2006 - 2011 - Ph.D. in Astrophysics, IUCAA, Pune
2004 - 2006 - M.Sc. in Physics, IIT Kharagpur
Galactic Astrophysics and Observational Cosmology
2018 - Associate of the Indian Academy of Sciences
2018-2027 - IUCAA Visiting Associateship Programme
2018 - Gruber Cosmology Prize - Planck Team
2018 - Group Achievement Award - Planck Team
2016 - INSPIRE faculty award (declined).
2014-2020 - Planck scientist.
S. Sinha, T. Ghosh, E. Allys, F. Boulanger, J.M. Delouis, “Untangling dust emission and CIB anisotropies with the Scattering Transform Statistics”, astro-ph/2603.06110, submitted to A&A (under review).
L. Yin, S. Xiong, J. Kochappan, B.-H. Lee, T. Ghosh, ‘’Constraints on Cosmic Birefringence from SPIDER, Planck, and ACT observations”, astro-ph/arXiv:2510.25489, submitted to JCAP (under review).
I. Paul, R. V. Kashyap, T. Ghosh, R. Beck, L. Chamandy, S. Sinha, A. Shukurov, “The fine structure of the mean magnetic field in M31”, MNRAS 545, 2026.
J. Kochappan, L. Yin, B.-H. Lee, T. Ghosh, ‘’Observational evidence for Early Dark Energy as a unified explanation for Cosmic Birefringence and the Hubble tension'', Physical Review D, 112, 063562, 2025.
D. Adak, S. Shaikh, S. Sinha, T. Ghosh, F. Boulanger, G. Lagache, T. Souradeep, M.-A. Miville-Deschenes, “Bayesian inference methodology to characterize the dust emissivity at far-infrared and submillimeter frequencies”, MNRAS 531, 2024.
A. Sen, S. Basak, T. Ghosh, D. Adak, and S. Sinha, ‘’Importance of high-frequency bands for thermal dust removal in ECHO'', PRD 108 083529, 2023.
L. Yin, J. Kochappan, T. Ghosh, B. Lee, “Is Cosmic Birefringence model-dependent?”, JCAP10, 2023.
P. Saha, A. Soam, T. Baug, Maheswar G., S. Mondal, T. Ghosh, “Magnetic fields and young stellar objects in cometary cloud LDN 1616”, MNRAS 513, 2022.
D. Adak, A. Sen, S. Basak, J. Delabrouille, T. Ghosh, A. Rotti, G. Martínez-Solaeche, T. Souradeep, “B-mode forecast of CMB-Bharat”, MNRAS 514, 2022.
F. Rahman, P. Chingangbam, T. Ghosh, “The nature of non-Gaussianity and statistical isotropy of the 408 MHz Haslam synchrotron map”, JCAP07, 2021.
Joby P. K., A. Sen, T. Ghosh, P. Chingangbam, S. Basak, “Application of Contour Minkowski Tensor and D Statistic to the Planck E-mode data”, Physical Review D, 103, 2021.
P. Saha, G. Maheswar, E. Sharma, C. Lee, T. Ghosh and K. Shinyoung, ‘’Tracing the magnetic field morphology of LDN 1172/1174 cloud complex", A&A 655, A76, 2021.
A. Mangilli, J. Aumont, A. Rotti, F. Boulanger, J. Chluba, T. Ghosh, L. Montier, “Dust moments: towards a new modelling of the galactic dust emission for CMB B-modes analysis”, A&A 647, A52, 2021.
Baibhav Singari, T. Ghosh, Rishi Khatri, “Detection of WHIM in the Planck data using Stack First approach”, JCAP 08, 2020.
D. Adak, T. Ghosh, F. Boulanger, P. Kalberla, U. Haud, Peter G. Martin, A. Bracco, T. Souradeep, “Dust polarization modeling at large-scale over the Northern Galactic cap using EBHIS and Planck data”,A&A 640, A100, 2020.
A. Bracco, T. Ghosh, F. Boulanger, and J. Aumont, “Link between E-B polarization modes and gas column density from interstellar dust emission”, A&A 632, A17, 2019.
P.K. Joby, P. Chingangbam, T. Ghosh, V. Ganesan and C.D. Ravikumar, “Search for anomalous alignments of structures in Planck data using Minkowski Tensors”,JCAP009, 2019.
On the statistics of the polarized submillimetre emission maps from thermal dust in the turbulent, magnetized, diffuse ISM, F. Levrier, J. Neveu, E. Falgarone, F. Boulanger, A. Bracco, T. Ghosh, F. Vansyngel, A&A 614, A124, 2018.
S. Rana, T. Ghosh, J. S. Bagla, and P. Chingangbam, “Non-Gaussianity of diffuse Galactic synchrotron emission at 408 MHz”, MNRAS 481, 2018.
Cosmology with Cosmic Microwave Background (CMB) Radiation and Thermal Sunyaev-Zel'dovich effect
Dust Polarization and Interstellar medium
Galactic magnetic fields using radio polarization observations
Statistical tools used in Cosmology
CMB B-modes
Current members:
2. Santanu Gayen (Ph.D. student) - ongoing
3. Kazi Abu Roshan (Ph.D. student) - ongoing
4. Pritha Ghosh - ongoing
Past members:
2. Dr. Payel Sarkar (postdoc) → moved to University Of Cape Town (1st August 2025)
3. Dr. Joby P. K. (postdoc) → moved to APCTP South Korea (1st March 2021)
4. Dr. Shabbir Shaikh (research assistant) → moved to University of Arizona (1st August 2021)
5. Mr. Shrish (Ph.D. student) → left research and moved to a Data scientist position
Final year M.Sc. thesis projects:
2. Aniket Nath 2025 Long-term visitor at ICTS
3. Soham Maji 2025 -
4. Ritabik Banerjee 2025 SISSA Italy
5. Vasanth R Kashyap 2024 SNS Pisa (Italy)
6. Sumegha M. T. 2024 -
7. Nelson Kshetrimayum 2023 -
6. Kishan Deka 2022 National Centre for Nuclear Research in Warsaw (Poland)
7. Pratyush Kumar Das 2021 University of Queensland (Australia)
8. Ajay Dev 2021 University of Western Australia
9. Baibhav Singari 2020 University of Minnesota (USA)
10. Tanmaya Mishra 2019 University of Florida (USA)
11. Abhishek Das 2019 Penn State Eberly College of Science (USA)
P204 - Electromagnetism I [2022, 2023]
P207 - Linear Optics [2023, 2024]
P301 - Electromagnetism II [ 2020, 2021]
P474 - Introduction to Cosmology [2021, 2023, 2026]
PHY602/PHY702 - Mathematical Methods [2025, 2026]
P345 - Optics lab [ 2024]
P241 - General Physics lab [2020]
P342 - Computational lab [ 2017, 2018, 2019]
P745 - Computational physics [ 2017, 2018, 2019]
P244 - Modern Physics lab I [ 2018, 2019]
P744 - Integrated M.Sc. – Ph.D experiments [ 2018, 2019]
Member of UGCS-SPS (2024-2026)
