Welcome to the Digital Repository of Indian Institute of Astrophysics

This digital repository of Indian Institute of Astrophysics (IIAP), Bangalore, India is developed to capture, organize disseminate and preserve the research publications of IIAP. It also includes the in-house technical reports and annual reports in addition to various other grey literatures created within the institute.You can search, browse and access full text of these publications from the repository.

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Recently Added

  • Isentropic processes for axisymmetric black holes 
    Dubey, Nitesh K; Kolekar, Sanved (American Physical Society, 2025-10-15)
    We demonstrate that the isentropic absorption of a classical charged test particle is classically forbidden for all (3 þ 1)-dimensional stationary, nonextremal, axisymmetric black holes in any diffeomorphism invariant ...
  • Non-linear solar EUV-driven sodium release from the lunar surface: A contrast to the linear PSD model 
    Devaraj, A; Narendranath, S; Kartha, Sreeja S; Sarantos, M; Akhil, Krishna R; Mathew, Blesson; Sivarani, T; Nidhi, S; Anbazhagan, P; Selvakumar, G (Oxford University Press on behalf of Royal Astronomical Society, 2025-10)
    The correlation between solar Extreme Ultra-Violet (EUV) radiation above 8.8 eV and the release of sodium from the lunar surface via photon-stimulated desorption (PSD) is investigated. We use simultaneous measurements of ...
  • Asteroseismology of HD 23734, HD 68703, and HD 73345 using K2–TESS space-based photometry and high-resolution spectroscopy 
    Joshi, S; Dileep, Athul; Semenko, E; Sarkar, M; Trust, Otto; De Cat, P; Lampens, P; Dupret, M. A; Ghosh, S. C; Mkrtichian, David; Vanrespaille, Mathijs; Parida, Sugyan; Yadav, A. P; Pramod Kumar, S; Goswami, P. P; Riyas, Muhammed; Drisya, K (Oxford University Press on behalf of Royal Astronomical Society, 2025-10)
    In this paper, we present a comprehensive study of three stars, HD 23734, HD 68703, and HD 73345, which were previously observed as chemically peculiar candidates within the Nainital-Cape survey and reported as null results ...
  • Investigating the kinematics of molecular gas in cometary globule L1616 
    Porel, Puja; Archana Soam; Karoly, Janik; Chung, Eun Jung; Lee, Chang Won (Oxford University Press on behalf of Royal Astronomical Society, 2025-10)
    LDN 1616 is a cometary globule located approximately 8◦ west of the Orion OB1 associations. The massive OB stars in the Orion belt region act as catalysts, triggering the star formation activity observed in the L1616 region ...
  • Distinct Fe K line complexes in MAXI J1744−294 revealed by XRISM high-resolution spectroscopy 
    Chatterjee, Kaushik; Mondal, Santanu; Palit, Biswaraj; Singh, Chandra B; Nath, Sujoy Kumar; Pahari, Mayukh; Kumar, Brajesh; Wang, W; Chang, Hsiang-Kuang; Liu, Xiaowei (American Astronomical Society, 2025-10-20)
    The newly discovered Galactic transient MAXI J1744−294 went into its first X-ray outburst in 2025. We study the spectral properties of this source in the 2–10 keV energy band during this outburst using X-ray data from the ...

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