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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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  • Sahu, D. K; Pandey, S. K; Kembhavi, A. K (Astronomical Society of India, 1999)
    Early-type galaxies with large-scale dust are suitable objects to investigate the propeties of dust extinction in extragalactic environments because the underlying galaxies have fairly smooth distribution of the starlight. ...
  • Swarup, G (Astronomical Society of India, 1981-12)
    It is proposed to construct a 2 km long and 50 m wide cylindrical radio telescope at a site close to the earth's equator. By placing the long axis of the cylinder in the north-south direction at the equator, its axis of ...
  • Verma, V. K; Uddin, W; Gaur, V. P (Astronomical Society of India, 1998)
  • Pant, P; Sagar, R (Astronomical Society of India, 1998)
  • Pati, A. K (Astronomical Society of India, 1999)
    The Ultraviolet Imaging Telescope is a part of the proposed Indian Multiwavelength Astronomy Satellite mission. The primary objective of the UV Imaging Telescope is an all-sky survey in two bands in the wavelength region ...
  • de Jager, O. C (Astronomical Society of India, 2002)
    This paper explores the potential of present and future ground based gamma-ray telescopes to detect GeV to multi-GeV pulsed emission from EGRET pulsars. Five types of telescopes can in principle detect such emission: The ...
  • Issur, N. H (Astronomical Society of India, 1997)
    The Mauritius Radio Telescope (MRT) has been used to observe some Southern Hemisphere pulsars at 151.6 MHz. A tracking system allowing observation of a source for 8 x sec (δ) minutes of time and a Fast Data Acquisition ...
  • Bhat, N. D. R (Astronomical Society of India, 2000)
    Ever since their discovery, pulsars have been proved to be excellent tools to study the Interstellar Medium. Results from new observations using the Ooty Radio Telescope at 327 MHz are used to investigate the properties ...
  • Vivekanand, M (Astronomical Society of India, 1993)
    In 1992 Ooty Radio Telescope (ORT) was fitted with a pre-amplifier for each of its 1056 dipoles; this enhanced its sensitivity by at least a factor of three. A digital hardware was installed for setting ORT's declination ...
  • Pulsars 
    Ter, Harr, D (Astronomical Society of India, 1979-09)
    We give a brief account of various observational data about pulsars, of some of the conclusions one can derive from these data, about the nature of the pulsars, and in particular, of the properties of the binary pulsar PSR ...
  • Shukre, C. S (Astronomical Society of India, 1990)
    After brief introductions to the evolution of close binary systems, pulsars, and X-ray binaries, the evolution of the study of these systems is examined and the present state of understanding is addressed. The impact of ...
  • Naik, S; Paul, B (Astronomical Society of India, 2003)
    We report here spectral study of two accreting binary X-ray pulsars LMC X-4 and SMC X1 made with the Beppo-SAX observatory. The energy spectrum of both the pulsars in 0.1-10.0 keV band can be described by a model consisting ...
  • Manchanda, R. K (Astronomical Society of India, 2001)
    Hard X-ray observations of the binary X-ray pulsars were made using a balloon-borne large area scintillation counter telescope in the 20-200 keV band. Apart from many other galactic and extragalactic X-ray sources, three ...
  • Narlikar, J. V; Padmanabhan, T (Astronomical Society of India, 1983-12)
    The standard big bang models of classical cosmology are known to possess three defects. The oldest known defect is the spacetime singularity whose existence seems inevitable within the classical framework. The second defect ...
  • Khare, Pushpa (Astronomical Society of India, 1995)
    Quasar absorption lines are an important tool to probe the universe at high redshifts, as they enable us to observe galaxies and intergalactic clouds at large distances, which are virtually inaccessible otherwise. This ...
  • Subramanian, K. R; Ebenezer, E (Astronomical Society of India, 2002-09)
    Spectral observations of the Sun in the frequency range of 54 to 78 MHz in the November 24, 2000 solar flare showed quasi - periodic pulsations with periods in the range of 11 - 19 seconds. YOHKOH images of this flare ...
  • Lokanadham, B; Kiron, Y. R; Muneer, S (Astronomical Society of India, 1998-12)
  • Thakur, R. K (Astronomical Society of India, 1997)
    This paper has been written in a highly personal vein. It’s a resume of the very modest effort made by the author and his students in understanding some aspects of extragalactic astronomy and astrophysics during the former’s ...
  • A query 
    Madhava Rau, R (Astronomical Society of India, 1911-04)
  • Ravindra, B (Astronomical Society of India, 2003)
    The 3-D structure of quiet Sun chromospheric network magnetic field is studied by comparing the observed and computed chromospheric magnetograms. The comparison shows that the best correlation occurs at 1800 km above the ...

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