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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  • Ringdown and tide: fingerprints of dark matter halo profiles 
    Bhowmik, Arkadip; Chowdhury, Avijit; Chakrabarti, Sayan (American Physical Society, 2026-10-15)
    Astrophysical black holes (BHs) are not isolated, but embedded in matter supplied by their host galaxies. We study how the shape of a surrounding dark matter halo modifies the ringdown and tidal response of an asymptotically ...
  • Hawking-page phase transition for pure lovelock black holes 
    Dubey, Nitesh K; Kolekar, Sanved (American Physical Society, 2026-10-15)
    We investigate the thermodynamic properties of static, spherically symmetric anti--de Sitter (AdS) black holes, focusing on the interplay between characteristic temperatures, as well as on the universality of Ruppeiner ...
  • Nonzero phase shift of evanescent acoustic waves in the lower solar atmosphere 
    Kumar, Hirdesh; Rajaguru, S. P; Brajesh Kumar (EDP Sciences, 2026-10)
    Context. The phase behavior of acoustic waves in the lower solar atmosphere provides important information about wave propagation. While previous studies have reported nonzero phase shifts in the evanescent frequency range ...
  • Coordinated coronagraphic observations from proba-3 and Aditya-L1: Investigating coronal mass ejection energetics in the inner corona 
    Agarwal, Anjali; Mishra, Wageesh; Ramesh, R; Priyal, M; Zhukov, Andrei N; Singh, J; Gopalswamy, N; Khuntia, Soumyaranjan; Sasikumar Raja, K; Bourgoignie, B; Dolla, L; Shestov, S; Fineschi, S; Gunar, S; Lamy, P; Mierla, M; Peter, H; Rudawy, P; Tsinganos, K (EDP Sciences, 2026-10)
    Context. Constraining the plasma properties and energetics of coronal mass ejections (CMEs) in the inner corona is essential for understanding their early evolution, yet it remains challenging because of limited observations. ...
  • Wild behaviour near the finish line: The type Ibn SN 2020able and its stratified environment 
    Tartaglia, L; Cappellaro, E; Valerin, G; Pastorello, A; Benetti, S; Reguitti, A; Tomasella, L; Lundqvist, P; Misra, K; Gangopadhyay, A; Dastidar, R; Ailawadhi, Bhavya; Dimple; Brajesh Kumar; Jha, Vivek Kumar; Singh, Mridweeka; Elias-Rosa, N; Gutierrez, Claudia P; Howell, D. A; Hiramatsu, Daichi; Pellegrino, Craig; Andrews, Jennifer E; Sand, D. J; Smith, Nathan; Pearson, Jeniveve; Wyatt, S; Ochner, P; Cai, Y. Z; Burke, J; McCully, Curtis; Newsome, Megan; Padilla Gonzalez, E (EDP Sciences, 2026-11)
    We present spectrophotometric observations of the Type Ibn supernova SN 2020able, along with a comprehensive analysis and modelling of its evolution. The transient occurred in SDSS J092602.93+243115.1, a faint host galaxy ...

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