IIAP Publications: Recent submissions

  • Astronomy in India in the 20th century. 
    Bhattacharyya, J. C; Vagiswari, A (Indian National Science Academy, 1985)
  • The inconsistency of a model for internal structure or black holes 
    Sivaram, C (Indian Academy of Sciences, 1985-08)
    The recent claim that a black hole can be treated as a relativistic gas of micro black holes (planckions) is shown to be physically inconsistent and in fact is grossly in error. Any deductions made about black holes from ...
  • Mildly Active Nuclei of Galaxies 
    Prabhu, T. P (Indian Academy of Sciences, 1985)
    Milder forms of activity in the nuclear regions of galaxies are reviewed. Three classes of activity are identified, namely starbursts, high-excitation emission-line and low-ionization emission-line nuclei. Sérsic perinuclear ...
  • Limits on surface magnetic fields of fast pulsars 
    Datta, B (Nature Publishing Group, 1984-03-22)
    The rapid rotation rate of millisecond pulsar PSR 1937+214 suggests that it may be close to the point of rotational instability. Rotational stability implies lower limits on the mass and moment of inertia, and an upper ...
  • Science in British India. I. Colonial tool 
    Kochhar, R. K (Indian Academy of Science, 1992-12-10)
  • Polarimetric observations of hydrogen deficient stars 
    Raveendran, A. V; Kameswara Rao, N; Deshpande, M. R; Joshi, U. C; Kulshrestha, A. K (Reidel Publishing Company, 1986)
    Polarimetric observations of HD 30353, SU Tau, XX Cam, R CrB, UV Cas, BD +13°3224, BD +10°2179 and HD 124448 are presented. The linear polarization of HD 30353 is found to vary appreciably at Hα over a time scale as short ...
  • HD 22403: a New Variable with Ca II H and K Emission 
    Raveendran, A. V; Mohin, S; Mekkaden, M. V (Konkoly Observatory, 1985-03-26)
  • General relativistic effects on the pulse profile of fast pulsars 
    Datta, B; Kapoor, R. C (Nature Publishing Group, 1985-06-13)
    The recent discovery of millisecond pulsars has led to several theories about the structure and radiation characteristics of rapidly rotating neutron stars. The rapid rotation rate implies that such pulsars will be compact ...
  • Birthrate of Planetary Nebulae 
    Mallik, D. C. V (International Astronomical Union, 1983)
    The electron density, temperature and ion abundances in the nebulae surrounding the two WC 10 stars CPD-56 deg 8032 and He2-113 have been estimated. In CPD-56 deg 8032 sulphur, nitrogen and oxygen seem to have solar ...
  • Photometric Variability of HD 81410 in 1988 
    Mekkaden, M. V; Sinachopoulos, D (Konkoly Observatory, 1988-08-15)
  • Dramatic Changes in the Polarization of AR Pup 
    Raveendran, A. V; Deshpande, M. R; Kameswara Rao, N; Joshi, U. C; Kuleshrestha, A. K (Konkoly Observatory, 1985-04-25)
  • 1986 Light Curve of V711 Tau 
    Mekkaden, M. V (Konkoly Observatory, 1987-07-03)
  • Reflection effect in close binaries 
    Peraiah, A (Centre of Advanced Study in Astronomy Osmania University, 1984)
    The author describes an initial attempt of how the radiation field is calculated from the irradiated surface of the component in a binary system.
  • Photometry of intermediate polars AO PSC and V 1223 SGR 
    Padmini, V. N; Marar, T. M. K; Seetha, S; Padmanabhan, P; Kasturirangan, K; Rao, U. R; Bhattacharyya, J. C; Kuppuswamy, K; Rozario, M. J (Springer, 1985-12)
    We present optical photometric observations of the cataclysmic variables AO Psc and V 1223 Sgr, both of which are believed to contain slowly-rotating white-dwarf pulsars. These objectes belong to the new class of intermediate ...
  • Fine structure in solar decametric radiation 
    Thejappa, G; Sastry, Ch. V; Gopalswamy, N (Harwood Academic Publishers, 1984)
    Observations and interpretations of some of the fine structure in decametric solar radio emission -such as (1) the time structure of type III bursts, (2) absorption bursts, and (3) slowly drifting spikes -are presented. ...
  • Optical interferometer measurements of thermospheric temperature at Kavalur (12.5 deg N, 78.5 deg E), India 
    Sastri, J. H; Rao, H. N. R (Elsevier, 1994-02)
    First results on the behavior of thermospheric temperature over Kavalur (12.5 deg N, 78.5 deg E geographic; 2.8 deg N geomagnetic latitude) located close to the geomagnetic equator in the Indian zone are presented. The ...
  • The solar-neutrino problem 
    de Sabbata, V; Sivaram, C (Springer, 1991-10)
    The problem of solar neutrinos is discussed in the case of a large magnetic field in the innermost region of the core (<0.05 R/sub/ sun) and of neutrinos with magnetic moment. Some predictions are made as regards experiments ...
  • Response of equatorial-low latitude ionosphere to sudden expansion of magnetosphere 
    Sastri, J. H; Huang, Y. N; Shibata, T; Okuzawa, T (American Geophysical Union, 1995-10)
    The response of the equatorial-low latitude nightside ionosphere to the geomagnetic negative sudden impulse(si-) on March 15, 1993 is studied using recordings of Doppler velocity of ionospheric echoes at vertical incidence ...
  • Characteristics of the equatorial midnight temperature maximum in the Indian sector 
    Rao, H. N. R; Sastri, J. H (INIST-CNRS, 1994-04)
    We present the first results on the characteristics of the equatorial midnight temperature maximum (MTM) for the Indian sector. The results are based on measurements of the Doppler width of 630 nm night airglow emission ...
  • Do leptons generate gravity? First laboratory constraints obtained from some /G experiments and possibility of a new decisive constraint 
    Unnikrishnan, C. S; Gillies, G. T (Elsevier, 2001-09)
    The equivalence of the active and passive gravitational masses has been tested in the laboratory to an accuracy of about 5 parts in 105. However, this level of sensitivity is not enough to answer the important question ...

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