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Browsing Indian Institute of Astrophysics by Title

Browsing Indian Institute of Astrophysics by Title

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  • Radiation and structure of the solar atmosphere 
    Bappu, M. K. V (D. Reidel Publishing, 1979)
  • Raman and Astronomy 
    Bappu, M. K. V (Indian Academy of Sciences, 1971-05)
  • Remembering Bappu 
    Library, IIA (Library, Indian Institute of Astrophysics, 2010-08-10)
    A glimpse of the exhibits displayed at the Library, IIA, Bangalore on Founder’s day. 10 August, 2010
  • Reports on the progress of astronomy: Solar activity (sunspots, prominences) 
    Laurie, P. S; Bappu, M. K. V (Royal Astronomical Society, 1969-09)
  • Research in astrophysics at Kodaikanal 
    Bappu, M. K. V (Indian Institute of Astrophysics, 1970)
  • Research with a moderate aperture telescope 
    Bappu, M. K. V (1975)
  • Retracing transit of Venus-connection to Madras Observatory 
    Birdie, C (Indian Institute of Astrophysics, 2012-06)
  • The rings of Uranus: story of its discovery 
    Bhattacharyya, J. C (Indian Astronomical Society, 1980)
  • The road to Kavalur 
    Bhattacharyya, J. C (Nehru Centre, 1985-08)
  • Saturn-like ring system around Uranus 
    Bhattacharyya, J. C; Bappu, M. K. V (Nature Publishing Group, 1977-12)
    A photoelectric record of the occultation of SAO 158687 by Uranus on March 10, 1977, is analyzed. The observed variation in the intensity of the star's light is shown to indicate the presence of four zones, which are ...
  • Search for optical bursts from the gamma ray burst source GBS 0526-66 
    Seetha, S; Sreenivasaiah, K. V; Marar, T. M. K; Kasturirangan, K; Rao, U. R; Bhattacharyya, J. C (NASA/STI, 1985-08)
    Attempts were made to detect optical bursts from the gamma-ray burst source GBS 0526-66 during Dec. 31, 1984 to Jan. 2, 1985 and Feb. 23 to Feb. 24, 1985, using the one meter reflector of the Kavalur Observatory. Jan. 1, ...
  • A Simple Digital System Drive for Small Telescopes 
    Bhattacharyya, J. C; Ramamoorthy, K. S; Chandramohan, R (Indian Institute of Astrophysics, Bangalore, 1980)
    A variable stable frequency source employing a crystal oscillator and a programmable digital divider chain is described. The system offers an ideal arrangement for controlling tracking rates of small and medium size ...
  • A Single-Cell Photopolarimeter 
    Jain, S. K; Bhattacharyya, J. C (Indian Institute of Astrophysics, Bangalore, 1987-02)
    A simple, single-cell photopolarimeter has been developed for use at the cassegrain focus of the 102 cm Ritchey-Chretien reflector at Kavalur. The design and performance of the instrument are discussed
  • A Single-Channel Polarimeter 
    Jain, S. K; Bhattacharyya, J. C (International Astronomical Union, 1986)
    The authors have developed a single-channel photopolarimeter to measure polarization to ≡1%, with an accuracy of 0.1%. Laboratory tests show that the performance of the instrument matches the requirements.
  • Site survey for an infrared observatory 
    Bhatnagar, A (Centre of Advanced Study in Astronomy, Osmania University, Hyderabad, 1974)
  • Size of the Ca+ Coarse Network in the Solar Chromosphere at Sunspot Minimum 
    Bappu, M. K. V; Sivaraman, K. R (1966)
    Auto-correlation measures of the coarse Ca+ network made on selected spectroheliograms obtained during the solar minimum period of 1964 and 1965 are described. The full width at half maximum of the normalised A.C. curve ...
  • The Solar Corona of July 20, 1963 
    Bappu, M. K. V; Bhatnagar, A (Kodaikanal Observatory, 1969-01)
    The total solar eclipse of July 20, 1963 was observed at the AAVSO site near Wilton, Malne, U.S.A, where totality lasted for 58 seconds. Pictures of the corona were obtained with a camera of focal length 57 cm on Kodak ...
  • Solar eclipses - A powerful tool for the study of nature 
    Bhattacharyya, J. C (National Institute of Science Communication and Information Resources, 1990-12)
    Solar eclipses occur due to periodic coincidences in positions of the moon and the earth with respect to the sun. Characteristics of their orbital paths determine the periodicity, duration and shape, lengths and orientations ...
  • Solar eclipses during 1868-1980 in which Madras, Kodaikanal Observatories and IIA participated 
    Birdie, C; Vagiswari, A (Indian Institute of Astrophysics, 2009-06)
    Participation in solar eclipse studies have been a notable characteristics of the institute for more than a century. For all major eclipses teams were sent and the expedition met with a considerable degree of success. ...
  • The Solar Magnetometer of Kodaikanal Observatory 
    Bhattacharyya, J. C (Kodaikanal Observatory, 1970-10)
    An instrument capable of measurement of weak longitudinal component of magnetic fields on the sun has been designed and constructed for operation with the horizontal solar telescope and high dispersion spectrograph of ...

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