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Browsing Publications of Astronomical Society of India by Title

Browsing Publications of Astronomical Society of India by Title

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  • Analysis of the light variations of BS Aquarii 
    Kilambi, G. C (Astronomical Society of India, 1982-09)
    An analysis of UBV light variations of BS Aqr is presented. Intrinsic (U-B) and (B-V) values are used to derive the temperature and surface gravity. The mean values are Teff = 7600 + or - 100 K and log geff = 3.8 + or - ...
  • Analysis System for GRAPES-III Extensive Air Shower Data 
    John, A. V (Astronomical Society of India, 2003)
    GRAPES-III experiment [Tonwar S.C] consists of 271 scintillators of 1 m2. area each and a large area (560 m2) muon detector to record Extensive Air Showers (EAS) produced in the atmosphere by high energy cosmic rays (> 3 ...
  • Analytical studies of standing shocks in accretion flows around compact objects 
    Das, S (Astronomical Society of India, 2005-09)
    Shocks in advective flows around black holes have become es- sential ingredients in explaining wide variety of observed features. We first analytically study the properties of shocks in the special case when viscosity and ...
  • Analytical study of standing shocks around black hole 
    Das, S; Chakrabarti, S. K (Astronomical Society of India, 2002)
    Shocks from around black holes as the matter slows down by centifugal barrier. At the shocks, kinetic energy is converted into thermal energy and hard-X rays, outflows etc. are produced which are observed. We compute the ...
  • Angular resolution of Pachmarhi array of Cverenkov telescopes 
    Majumdar, P; Acharya, B. S; Bhat, P. N; Chitnis, V. R; Rahman, M. A; Singh, B. B; Vishwanath, P. R (Astronomical Society of India, 2002)
    Pachmarhi Array of Cverenkov Telescopes (PACT), consisting of a distributed array of 25 telescopes is used to sample the atmospheric Cverenkov Photon showers. The shower front is fitted to a plane and the direction of ...
  • Annual meeting 
    Lee, W. A (Astronomical Society of India, 1915)
  • Annual meeting 
    Demetrius, L., ed. (Astronomical Society of India, 1919)
  • Anomalous reddening law in the galactic giant H II region NGC 3603 
    Pandey, A. K; Ogura, K (Astronomical Society of India, 1998)
  • Another illustration of Einstein's theory 
    Deighton, Thos. (Astronomical Society of India, 1918)
  • Antimatter in Cosmic Rays 
    Daniel, R. R; Stephens, S. A (Astronomical Society of India, 1980-06)
    We have briefly reviewed the available information on the antimatter content in the universe deduced from astronomical observations and examined some of the theories relating to symmetric cosmology, in order to understand ...
  • Antiquity of the vedic calendar 
    Abhyankar, K. D (Astronomical Society of India, 1998-03)
    Taking guidance from Vedanga jyotis, it is found that in ancient India the sacrificial year started near the winter solstice. As the position of the winter solstice retrogrades by 1 degree in about 71 years due to the ...
  • Application of neural network for the gamma-hadron discrimination 
    Maneva, G. M; Temnikov, P. P (Astronomical Society of India, 2002)
    Artificial Neural Network (ANN) method is applied for the analysis of raw data from the gamma ray CELESTE experiment. Our preliminary results show that, in the energy range 30-300 GeV, a good discrimination between showers ...
  • Appreciation of the late Mr. R. J. Pocock, B. A., B.Sc., F.R.A.S. 
    Evershed, J (Astronomical Society of India, 1918)
  • Approaching gravitation by quantum gravity with matter near four dimensions 
    Elizalde, E; Odintsov, S. D; Romeo, A (Astronomical Society of India, 1997)
    The phase structure and infrared (IR) behavior of higher-derivative quantum gravity (QG) near (but below) four dimensions, with a few different matter theories, shows remarkable properties. Models of this sort can be ...
  • An approximate method of computing precision in certain cases 
    Chatwood, A. B (Astronomical Society of India, 1914-04)
  • Are pulsars strange? 
    Kapoor, R. C; Shukre, C. S (Astronomical Society of India, 2001)
    Pulsar radio pulses are made up of the so called core and conal components. A remarkably precise relation for core component widths, found observationally, in effect specifies the size of the polar cap on pulsars. Inclusion ...
  • ARIES imaging polarimeter 
    Rautela, B. S; Joshi, G. C; Pandey, J. C (Astronomical Society of India, 2004-09)
    An Imaging Polarimeter has been fabricated for use with liquid- N2 cooled CCD camera and is designed to suit 104-cm Sampurnanand telescope with an f/13 focus at Aryabhatta Research Institute of Observational Sciences ...
  • Artificial Neural Network-based Image-cleaning Method for Atmospheric Cerenkov Imaging Telescopes 
    Dhar, V. K; Tickoo, A. K; Kaul, M. K; Kaul, C. L; Rannot, R. C; Yadav, K. K; Dubey, B. P; Koul, R (Astronomical Society of India, 2003)
    A novel image-cleaning method, based on the utilization of Artificial Neural Network (ANN) is shown here to `correctly' select more pixels in a Cerenkov image than in the conventional approach.
  • Aryabhata - Eight months of Life in Orbit 
    Rao, U. R; Kasturirangan, K (Astronomical Society of India, 1975-12)
  • Aryabhata I, His Life and His Contributions 
    Ansari, S. M. R (Astronomical Society of India, 1977-03)
    After Recalling a few historical facts concerning Aryabhata`s life and time we list his three known works out of which the only one extant presently is Aryabhatiya. The content of the various chapters of this treatise on ...

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