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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  • Unveiling the kinematics of a central region in the triple-AGN host NGC 7733-7734 interacting group 
    Keshri, Saili; Barway, Sudhanshu; Mousumi Das; Yadav, Jyoti; Combes, Francoise (EDP Sciences, 2025-03)
    We present a detailed study of the interacting triple active galactic nuclear system, NGC 7733-34, focusing on stellar kinematics, ionised gas characteristics, and star formation within the central region and stellar bars ...
  • Baryonic ecosystem in galaxies (BEINGMgII): I. host galaxies of ultra-strong Mg II absorbers in the Subaru Hyper Suprime-Cam Survey 
    Joshi, Ravi; Das, S; Fumagalli, Michele; Fossati, Matteo; Peroux, Celine; Chaudhary, Reena; Yesuf, Hassen; Ho, Luis C (EDP Sciences, 2025-03)
    Context. We study the galaxies hosting ultra-strong Mg II (USMgII) absorbers at small impact parameters of ∼2″ (5‑20 kpc) spanning a redshift range of 0.4 ≤ z ≤ 1.7 using deep high-resolution images from the Hyper Suprime-Cam ...
  • Discovery and detailed study of the M31 Classical Nova AT 2023tkw: evidence for internal shocks 
    Basu, Judhajeet; Kumar, Ravi; Anupama, G. C; Barway, Sudhanshu; Hauschildt, Peter H.; Chamoli, Shatakshi; Swain, Vishwajeet; Bhalero, Varun; Karambelkar, Viraj; Kasliwal, Mansi; Das, Kaustav K; Andreoni, Igor; Singh, Avinash; Teja, Rishabh Singh (American Astronomical Society, 2025-02-10)
    We present a detailed analysis of an extragalactic slow classical nova in M31 exhibiting multiple peaks in its light curve. Spectroscopic and photometric observations were used to investigate the underlying physical ...
  • SN 2018is: a low-luminosity type IIP supernova with narrow hydrogen emission lines at early phases 
    Dastidar, R; Misra, K; Valenti, S; Sand, D. J; Pastorello, A; Reguitti, A; Pignata, G; Benetti, S; Bose, S; Gangopadhyay, A; Singh, M; Tomasella, L; Andrews, J. E; Arcavi, I; Ashall, C; Bilinski, C; Bostroem, K. A; Buckley, D A. H; Cannizzaro, G; Chomiuk, L; Congiu, E; Dong, S; Dong, Y; Elias-Rosa, N; Fraser, M; Gall, C; Gromadzki, M; Hiramatsu, D; Hosseinzadeh, G; Howell, D. A; Hsiao, E. Y; McCully, C; Smith, N; Strader, J (EDP Sciences, 2025-02)
    We present a comprehensive photometric and spectroscopic study of the Type IIP supernova (SN) 2018is. The V band luminosity and the expansion velocity at 50 days post-explosion are −15.1 ± 0.2 mag (corrected for AV = 1.34 ...
  • Human resource development in astronomy: An Indian perspective 
    Bagla, Jasjeet Singh; Mousumi Das; Datta, Abhirup; Gogoi, Rupjyoti; Hota, A; Kembhavi, A. K; Malik, M. A; Misra, R; Pai, Archana; Pandey, Shashi Bhushan; Pandey, S. K; Rastogi, Shantanu; Ravikumar, C. D (Indian Academy of Sciences, 2025-06)
    In the 21st century, astronomy is one of the frontier research areas, and several astronomical observatories are planned worldwide with active international collaborations. India has been actively participating in many ...

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