Assistant Professor

Dr Arghajit Jana

Department of Physics

Interests

  1. Accretion and obscuration properties in AGNs
  2. High energy astrophysics
  3. Time-domain Astrophysics & Variability

Faculty Details

Education

2011

University of Calcutta
India
BSc

2013

University of Calcutta
India
MSc

2020

Indian Centre for Space Physics
India
PhD

Experience

  • 2023-2025 – FONDECYT postdoctoral fellow – Universidad Diego Portales, Santiago, Chile
  • 2021–2023 – Postdoctoral fellow – National Tsing Hua University, Hsinchu, Taiwan
  • 2020–2021 – Postdoctoral fellow – Physical Research Laboratory, Ahmedabad, India

Experience

Research Interest

  • Accretion process around black holes: stellar mass to supermassive.
  • Changing-look AGNs
  • Radio emission from radio quiet AGNs
  • Time-domain astrophysics & variability
  • Obscuration properties of AGNs
  • X-ray polarization
  • Disk-jet couplings in black holes
  • Galaxy evolution & growth of supermassive black holes

Awards & Fellowships

  • 2023 – FONDECYT project – ANID, Govt of Chile
  • 2018 – CSIR – SRF – CSIR, CSIR, Govt of India
  • 2014 – CSIR – NET– JRF – CSIR, CSIR, Govt of India
  • 2014 – GATE

Collaborations

  • Legacy Survey of Space and Time (LSST)
  • Sloan Digital Sky Survey (SDSS)
  • BAT AGN Spectroscopic Survey (BASS)
  • Square Kilometer Array (SKA)
  • Advance X-ray Imaging Satellite (AXIS)

Memberships

  • Astronomical Society of India (Life member, 2021 – )
  • International Astronomical Union (Junior member, 2024 – )

Publications

Selected Publications

  • ALMA observation of an evolving magnetized corona in the radio-quiet changing-state active galactic nucleus NGC 1566, A. Jana, et al. A&A, 699, 62 (2025)
  • Investigating changing-look active galactic nuclei with long-term optical and X-ray observations, A. Jana et al. A&A, 693, 35 (2025)
  • X-ray polarization changes with the state transition in Cygnus X-1, A. Jana & H.-K. Chang, MNRAS, 527, 10837 (2024)
  • Spectral properties of GX 339-4 in the intermediate state using AstroSat observation, A. Jana et al., MNRAS, 527, 2128 (2024)
  • Coronal properties of low-accreting AGNs using Swift, XMM-Newton, and NuSTAR observations, A. Jana, et al., MNRAS, 524, 4670 (2023)

Contact Details

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