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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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  • A high resolution spectroscopic study of XX Ophiuchi 
    Goswami, A; Kameswara Rao, N; Lambert, D. L (Astronomical Society of India, 2001)
    The star XX Oph has been known to exhibit peculiar spectral variabilities since the work of Merrill in 1924. A high resolution spectroscopic study of the XX Oph spectra taken in July 1996 and later in June 1997 also exhibit ...
  • High Resolution Spectroscopy of QY Sge 
    Kameswara Rao, N; Goswami, A; Lambert, D. L (Astronomical Society of India, 2002-09)
    High resolution spectral analysis of QY Sge, a post AGB star is presented here. The spectrum of QY Sge is characterized by three major components: absorption lines representative of a G supergiant, sharp emission lines ...
  • High resolution spectroscopy with a 10-m class telescope 
    Giridhar, S (Astronomical Society of India, 2000)
  • High Resolution Spectroscopy with Submillimeter-Wave 
    Kumar, V; Dave, H (Astronomical Society of India, 2003)
    In order to explain the characteristic features of planetary atmosphere, detection and precise measurements of environmentally important gases such as CO, CIO, No becomes necessary. Since most of the polyatomic molecules ...
  • A high-speed two-star photometer 
    Venkat Rao, G (Astronomical Society of India, 1990-03)
    Design and performance of a high-speed two-star photometer are presented in this paper. It is an ideal instrument for investigations of time variations of variable stars
  • The highest prominence on record 
    Evershed, J (Astronomical Society of India, 1917)
  • Highlights from the observatories 
    Saikia, D. J (Astronomical Society of India, 2005-03)
  • Highlights of observations of Total Solar Eclipse of October 24, 1995 
    Singh, J (Astronomical Society of India, 1996)
  • Highlights of Symposium on VLBI 
    Joshi, M. N (Astronomical Society of India, 1978-12)
  • A highly flattened stellar disk in the elliptical galaxy NGC 4564 
    Sahu, D. K; Pandey, S. K; Kembhavi, A. K (Astronomical Society of India, 1996)
    We present the R band isophotal shape analysis of the E6 elliptical galaxy NGC 4564 by fittng ellipses to the observed isophotes using Fourier expansion procedure. The galaxy is found to have pointy isophotes, showing ...
  • Hint of a galactic origin for a sub-population of extremely short and hard cosmic gamma-ray bursts 
    Shanthi, K; Rao, A. R; Bhat, C. L; Vahia, M. N (Astronomical Society of India, 1999)
    Gamma Ray Bursts (GRBs) belong to an exotic class of astronomical phenomena whose origin and nature continues to puzzle the astrophysical community. These enigmatic events are seen as intense outbursts of high-energy photon ...
  • Historical aspects of gamma-ray astronomy 
    Sreekantan, B. V (Astronomical Society of India, 2002)
    Over the entire 20th century, Cosmic Rays proved to be the watershed of fundamental knowledge from which poured out several streams that made us familiar with aspects of the universe that could never have been known through ...
  • Hori's method to non-linear coupled oscillators and applications to restricted problem 
    Khan, A; Saha, L. M; Prasad Sarma, T (Astronomical Society of India, 1999)
    Hori's method of solving coupled non-linear differential equations has been used to solve restricted problem of three bodies and non-resonance case has been discussed. For a certain set of values of the parameters, the ...
  • How are the observed frequencies related to solar structure? 
    Christensen-Dalsgaard, J (Astronomical Society of India, 1996)
  • How bright are extra-solar planets? 
    Das, S. R (Astronomical Society of India, 1996)
  • How impossible is topology change? 
    Borde, A (Astronomical Society of India, 1997)
    It is often stated that topology change is impossible in classical general relativity. In particular, it appears to be widely believed that the pleasure of topology change comes at a fixed price: topology – changing space ...
  • How Thick are the Saturn's Rings? 
    Chakrabarti, S. K; Bhattacharyya, A (Astronomical Society of India, 2002-09)
    It has been long thought that the rings of saturn are probably not thicker than a few hundreds of meters. By actually following the motion of particles inside the decaying bending waves of the Saturn's rings and matching the ...
  • HR3040- on the Am track ? 
    Sreedhar Rao, S; Raghavender Rao, C; Kilambi, G. C (Astronomical Society of India, 1999)
    HR 3040 (HD 63589) exhibits pseudo-luminosity effects similar to many a main-sequence Am star, especially a strong Sr II 4077 line indicating a higher luminosity class. Its K-line matches that of A3 V, violet and blue ...
  • The Hubble constant 
    Narlikar, J. V (Astronomical Society of India, 1996)
    In this talk the history of Hubble's constant is reviewed from the discovery of the velocity-distance relation to the present day measurements with the Hubble Space Telescope. The problems encountered in fixing the true ...
  • The Hulse-Taylor binary pulsar PSR 1913+16. 
    Sivaram, C (Astronomical Society of India, 1995)
    The significance of the binary pulsar 1913+16 in establishing evidence for gravitational radiation emission from binary systems is described. It is pointed out that the system has enabled verification of general relativity ...

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