IIA Institutional Repository: Recent submissions

  • Officers and council: for the season 1913-14 
    Letton, C. T., ed. (Astronomical Society of India, 1914-02)
  • The nebular hypothesis 
    Sen, N. N (Astronomical Society of India, 1920)
  • Notices of the society 
    Letton, C. T., ed. (Astronomical Society of India, 1914-02)
  • Memoranda for observers 
    Letton, C. T., ed. (Astronomical Society of India, 1914-02)
  • Jupiter, the Giant Planet 
    Mitchell, J (Astronomical Society of India, 1915)
  • On the problem of the Nova aquila III 
    Saha, M. N (Astronomical Society of India, 1920)
  • Intensity profile of light scattered from a rough surface 
    Chatterjee, S; Vani, V. C; Banyal, R. K (Optical Society of America, 2013-08-20)
    We present in this paper, approximate analytical expressions for the intensity of light scattered by a rough surface, whose elevation ξ x; y in the z-direction is a zero mean stationary Gaussian random variable. With ...
  • Seventeen 2 Micron All Sky Survey (2MASS) Hypervelocity Stars (HVS) from Gaia DR3 
    Parthasarathy, M (American Astronomical Society, 2024-01)
    As part of an ongoing search for hypervelocity stars I found seventeen two micron all sky survey sources with Gaia G magnitudes less than 16.0 and radial velocities less than -600 km s-1. All these stars are brighter in ...
  • COSMOGRAIL: the COSmological MOnitoring of GRAvItational Lenses. XIV. Time delay of the doubly lensed quasar SDSS J1001+5027 
    Rathna Kumar, S; Tewes, M; Stalin, C. S; Courbin, F; Asfandiyarov, I; Meylan, G; Eulaers, E; Prabhu, T. P; Magain, P; Van Winckel, H; Ehgamberdiev, Sh (EDP Sciences, 2013-09)
    This paper presents optical R-band light curves and the time delay of the doubly imaged gravitationally lensed quasar SDSS J1001+5027 at a redshift of 1.838. We have observed this target for more than six years, between ...
  • Spectro-Polarimetry of Self-Luminous Extrasolar Planets 
    Sengupta, S (Indian Academy of Sciences, 2013-06)
    Planets which are old and close to their parent stars are considered as reflecting planets because their intrinsic temperature is extremely low but they are heated strongly by the impinging stellar radiation and hence ...
  • India’s Participation in the Thirty-Meter Telescope Project 
    Reddy, B. E (Indian Academy of Sciences, 2013-06)
    In 2010, the Department of Science and Technology (DST), Govt. of India, approved astronomers’ proposal of India joining the international consortium of the USA, Japan, Canada and China to build and operate the next ...
  • Generation of a Near Infra-Red Guide Star Catalog for Thirty-Meter Telescope Observations 
    Subramanian, S; Subramaniam, A; Simard, L; Gillies, K; Ramaprakash, A. N; Anupama, G. C; Stalin, C. S; Ravindranath, S; Reddy, B. E (Indian Academy of Sciences, 2013-06)
    The requirements for the production of a near Infra-Red Guide Star Catalog (IRGSC) for Thirty Meter Telescope (TMT) observations are identified and presented. A methodology to compute the expected J band magnitude of stellar ...
  • Annual meeting 
    Demetrius, L., ed. (Astronomical Society of India, 1919)
  • Library Notice 
    Moreno, H. W. B (Astronomical Society of India, 1918)
  • Radiation mechanisms of VHE gamma-ray sources 
    Shukla, Amit (Indian Institute of Astrophysics, 2013)
  • Very Low Mass Stellar and Substellar Companions to Solar-like Stars from MARVELS. IV. A Candidate Brown Dwarf or Low-mass Stellar Companion to HIP 67526 
    Jiang, P; Ge, J; Cargile, P; Crepp, J. R; De Lee, N; Porto de Mello, G. F; Esposito, M.; Ferreira, L. D; Femenia, B; Fleming, S. W; Gaudi, B. S; Ghezzi, L; Gonzalez Hernandez, J. I; Hebb, L; Lee, B. L; Ma, Bo; Stassun, K. G; Wang, Ji; Wisniewski, John P; Agol, Eric; Bizyaev, Dmitry; Brewington, Howard; Chang, Liang; Nicolaci da Costa, Luiz; Eastman, Jason D; Ebelke, Garrett; Gary, Bruce; Kane, Stephen R; Li, Rui; Liu, Jian; Mahadevan, Suvrath; Maia, Marcio A. G; Malanushenko, Viktor; Malanushenko, Elena; Muna, Demitri; Nguyen, Duy Cuong; Ogando, Ricardo L. C; Oravetz, Audrey; Oravetz, Daniel; Pan, Kaike; Pepper, Joshua; Paegert, Martin; Allende Prieto, Carlos; Rebolo, Rafael; Santiago, Basilio X; Schneider, Donald P; Shelden Bradley, Alaina C; Sivarani, T; Snedden, Stephanie; van Eyken, J. C; Wan, Xiaoke; Weaver, Benjamin A; Zhao, Bo (IOP Publishing, 2013-09)
    We report the discovery of a candidate brown dwarf (BD) or a very low mass stellar companion (MARVELS-5b) to the star HIP 67526 from the Multi-object Apache point observatory Radial Velocity Exoplanet Large-area Survey ...
  • The Progenitor of SN 2011ja: Clues from Circumstellar Interaction 
    Chakraborti, S; Ray, A; Smith, R; Ryder, S; Yadav, N; Sutaria, F. K; Dwarkadas, V. V; Chandra, P; Pooley, D; Roy, R (IOP Publishing, 2013-09-01)
    Massive stars, possibly red supergiants, which retain extended hydrogen envelopes until core collapse, produce Type II plateau (IIP) supernovae. The ejecta from these explosions shocks the circumstellar matter originating ...
  • Holography, dark energy and entropy of large cosmic structures 
    Sivaram, C; Arun, K (Springer, 2013-11)
    As is well known, black hole entropy is proportional to the area of the horizon suggesting a holographic principle wherein all degrees of freedom contributing to the entropy reside on the surface. In this note, we point ...
  • Identification of metal-poor stars using the artificial neural network 
    Giridhar, S; Goswami, A; Kunder, A; Muneer, S; Selvakumar, G (EDP Sciences, 2013-08)
    Context. Identification of metal-poor stars among field stars is extremely useful for studying the structure and evolution of the Galaxy and of external galaxies. Aims. We search for metal-poor stars using the artificial ...
  • Vainu Bappu, the versatile Astronomer (1927-1982) 
    Library, IIA (Library, Indian Institute of Astrophysics, 2013-08-10)
    A glimpse of the exhibits displayed at the Library, IIA, Bangalore on Founder’s day. 10 August, 2013

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