IIA Institutional Repository

Browsing IIAP Publications by Subject "Black Holes"

Browsing IIAP Publications by Subject "Black Holes"

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  • Absorption of radiation in the emission line regions 
    Krishan, V (Cambridge University Press, 1988)
    Inverse bremsstrahlung or the free-free absorption is believed to be the main mechanism of absorption of the nonthermal quasar radiation in the emission line regions. The absorption rate is found to change significantly ...
  • Black holes and the LHC 
    Sivaram, C (South Asian Publisher, 2009-03)
    The relevant physics for the possible formation of black holes in the LHC is discussed.
  • Detection of IMBHs from microlensing in globular clusters 
    Safonova, M; Rahvar, S; Bond, I; Hearnshaw, J; Stalin, C. S (American Institute of Physics, 2008-10)
    Globular clusters have been long predicted to host intermediate-mass black holes (IMBHs) in their centres. The growing evidence that some/all Galactic globular clusters (GCs) could harbour middle range (10/sup2-10/sup4 ...
  • Epoch of Galaxy Formation 
    Chokshi, A (Indian Academy of Sciences, 1997-12)
    A preferred epoch for forming galaxies argues strongly in favour of a standard Big Bang cosmology with a single epoch of creation. In this paper I present a model in which there is a causal connection between AGN activity ...
  • How black is a black hole? 
    Kapoor, R. C (Bennett. Coleman & Co., Ltd., 1977-05)
  • Kerr Black Hole in the Background of the Einstein Universe 
    Ramachandra, B. S; Rajesh Nayak, K; Vishveshwara, C. V (Springer, 2003-11)
    The Vaidya-Einstein-Kerr (VEK) black hole which represents the spacetime of the Kerr black hole in a non-vacuum, asymptotically non-flat background is investigated. The energy-momentum tensor corresponding to this spacetime ...
  • Magnetic fields in blazar Pc-scale jets — possible connection to spin rates of black holes 
    Kharb, P; Lister, M. L; Shastri, P (World Scientific Publishing Company, 2008-09)
    We re-examine the differences observed in the pc-scale magnetic field geometry of high and low optical polarization quasars (HPQs, LPRQs) using the MOJAVE sample. We find that, as previously reported, HPQ jets exhibit ...
  • The nature of the compact object in quiescent SXTs 
    Sutaria, F. K; Kolb, U. C; Kuulkers, E; Charles, P; Chaty, S (American Institute of Physics, 2008-10)
    We report on the observation of two quiescent stage Soft X-ray transients-the BH-SXT GS1124-68 and the NS-SXT J2123-058.
  • On the hypothesis of ejection of supermassive black holes from centers of galaxies and its application to quasar-galaxy associations 
    Kapoor, R. C (D. Reidel Publishing Co., 1983-06)
    It is argued that accreting supermassive black holes ejected from centers of galaxies are the likely models for the quasars observed in association with galaxies. Also pointed out are the implications of a recent suggestion ...
  • Production of the active galactic nuclei continuum via coherent plasma processes 
    Krishan, V (Cambridge University Press, 1988)
    It appears possible to explain both the typical continuum electromagnetic spectrum and the relativistic velocities of electrons in the region of an active galactic nucleus (AGN) around a supermassive black hole (SMBH) by ...
  • Searching for IMBHs in globular clusters 
    Safonova, M (World Scientific and Engineering Academy and Society, 2010)
    Globular clusters have been alternatively predicted to host intermediate-mass black holes (IMBFIs) or nearly impossible to form and retain them in their centres. Over the last decade enough theoretical and observational ...
  • Some implications of escape of supermassive black holes from galactic nuclei due to plasmoid ejection 
    Kapoor, R. C (D. Reidel Publishing Co., 1983-09)
    Shklovsky (1982) has hypothesized escape of accreting supermassive black holes from galactic nuclei as a consequence of asymmetric ejection of plasma clouds from their accretion disks and their subsequent defunction for ...
  • Workshop I – Black holes and compact objects: Classical aspects 
    Ramachandra, B. S; Vishveshwara, C. V (Indian Academy of Sciences, 2000-10)
    This is a summary of the papers presented in session W1 on the papers submitted to the workshop I on the classical aspects of black holes and compact objects were classified into three categories: (i) theoretical aspects; ...

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