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Browsing by Author "Bhargavi, S. G"

Browsing by Author "Bhargavi, S. G"

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  • CCD imaging of gamma ray burster fields 
    Bhargavi, S. G; Cowsik, R; Pati, A. K; Sagar, R (Astronomical Society of India, 1998)
  • Early Observations of the Afterglow of GRB 000301c 
    Bhargavi, S. G; Cowsik, R (The American Astronomical Society, 2000-12)
    We report multiband observations of the optical transient associated with GRB 000301c carried out 2000 March 2-4 using the 2.34 m Vainu Bappu Telescope at Kavalur, India. When combined with other reported data, the initial ...
  • An Investigation into the Nature of Sources Associated with the Gamma Ray Burst Phenomena 
    Bhargavi, S. G (Indian Institute of Astrophysics, Bangalore, 2001-03)
  • An Investigation into the Nature of Sources Associated with the Gamma Ray Burst Phenomenon 
    Bhargavi, S. G (Indian Insitute of Astrophysics, Bangalore, 2001-07)
  • Luminosity function of GRBs 
    Sethi, S; Bhargavi, S. G (EDP Sciences, 2001-09)
    A SiO maser survey in the J=1-0, v=1 and 2 transitions has been made for IRAS sources in the North Galactic Cap b > 30o) with the Nobeyama 45 m radio telescope. The sources were selected on the basis of their IRAS 12/25-μm ...
  • Multi-band Observations of Gamma Ray Bursts 
    Bhargavi, S. G (Indian Academy of Sciences, 2002-06)
    This talk focuses on the various aspects we learnt from multiband observations of GRBs both, before and during the afterglow era. A statistical analysis to estimate the probable redshifts of host galaxies using the luminosity ...
  • Narrow band photometry of selected asteroids 
    Rajamohan, R; Bhargavi, S. G (Lunar and Planetary Inst, 1992-12)
    The CCD photometry of selected asteroids was carried out to check for possible cometary activity in them. To distinguish the asteroids with possible cometary activity from those of the main belt, each object of interest ...
  • Observing the GRB remnants 
    Bhargavi, S. G; Cowsik, R; Perna, R (Astronomical Society of the Pacific, 2004-06)
    Following the predictions of Perna, Reymond & Loeb (2000) we have proposed an observational program to search for the GRB remnants in nearby galaxies using the telescopes of Indian Institute of Astrophysics, Bangalore. We ...
  • On the clustering of GRBs on the sky 
    Sethi, S. K; Bhargavi, S. G; Greiner, J (American Institute of Physics, 2000-09)
    The two-point correlation of the 4th (current) BATSE catalog (2494 objects) is calculated. It is shown to be consistent with zero at nearly all angular scales of interest. Assuming that GRBs trace the large scale structure ...
  • Optical photometry of the GRB 010222 afterglow 
    Cowsik, R; Prabhu, T. P; Anupama, G. C; Bhatt, B. C; Sahu, D. K; Ambika, S; Padmakar; Bhargavi, S. G (Astronomical Society of India, 2001)
    The optical afterglow of GRB 010222 was observed using the recently installed 2-m telescope at the Indian Astronomical Observatory, Hanle, and the telescopes at the Vainu Bappu Observatory, Kavalur, beginning ~ 0.6 day ...
  • Searching for GRB remnants in nearby galaxies 
    Bhargavi, S. G; Rhoads, J; Perna, R; Feldmeier, J; Greiner, J (American Institute of Physics, 2004-09)
    Gamma Ray Bursts (GRBs) are expected to leave behind GRB remnants, similar to how ``standard'' supernovae (SN) leave behind SN remnants. The identification of these remnants in our own and in nearby galaxies would allow a ...

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