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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  • Aspects of Design and Development of a Near Infrared Photometer for Low Altitude Astronomical Sites 
    Anwesh Kumar, M (Indian Institute of Astrophysics, 2021-01)
    In order to fill the void of observation of bright near infrared astronomical sources, we propose a Near Infrared photometer operating from a low latitude astronomical site. As part of this thesis work, design decisions ...
  • Studies on metal-poor stars and chemical enrichment of the Galaxy 
    Shejeelammal, J (Indian Institute of Astrophysics, 2022-06)
    The low- and intermediate-mass stars are the major inhabitants of our Galaxy. They play an important role in the chemical evolution of the Galaxy. These stars have enriched the ISM with the products of various nucleosynthesis ...
  • High precision radial velocity studies on VBT echelle spectrograph 
    Sireesha, C (Indian Institute of Astrophysics, 2019-08)
    The Echelle spectrograph operating at Vainu Bappu Telescope (VBT) is a general-purpose instrument designed for high-resolution spectroscopy. It was considered for precision Radial Velocity (RV) measurements without altering ...
  • Host galaxy magnitude of OJ 287 from its colours at minimum light 
    Valtonen, Mauri J; Dey, Lankeswar; Zola, S; Ciprini, S; Kidger, M; Pursimo, T; Gopakumar, A; Matsumoto, K; Sadakane, K; Caton, D. B; Nilsson, K; Komossa, S; Bagaglia, M; Baransky, A; Boumis, P; Boyd, D; Castro-Tirado, A. J; Debski, B; Drozdz, M; Perez, A. Escartin; Fiorucci, M; Garcia, F; Gazeas, K; Ghosh, S; Godunova, V; Gomez, J. L; Gredel, R; Grupe, D; Haislip, J. B; Henning, T; Hurst, G; Janík, J; Kouprianov, V. V; Lehto, H; Liakos, A; Mathur, S; Mugrauer, M; Nogues, R. Naves; Nucciarelli, G; Ogloza, W; Ojha, D. K; Pajdosz-Śmierciak, U; Pascolini, S; Poyner, G; Reichart, D. E; Rizzi, N; Roncella, F; Sahu, D. K; Sillanpää, A; Simon, A; Siwak, M; Alfaro, F. C. Soldán; Sonbas, E; Tosti, G; Vasylenko, V; Webb, J. R; Zielinski, P (Oxford University Press on behalf of Royal Astronomical Society, 2022-08)
    OJ 287 is a BL Lacertae type quasar in which the active galactic nucleus (AGN) outshines the host galaxy by an order of magnitude. The only exception to this may be at minimum light when the AGN activity is so low that ...
  • Growth of disc-like pseudo-bulges in SDSS DR7 since z = 0.1 
    Ankit Kumar; Kataria, Sandeep Kumar (Oxford University Press on behalf of Royal Astronomical Society, 2022-08)
    Cosmological simulations predict more classical bulges than their observational counterparts in the local Universe. Here, we quantify evolution of the bulges since z = 0.1 using photometric parameters of nearly 39 000 ...

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