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Limits on rotation-induced characteristics of radiation from stable rapidly rotating neutron stars
Results are presented of a study of frequency shifts in radiation from the surface of rapidly rotating neutron stars and rotation-induced spectral line broadening as a function of their mass. We findExpand
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On the hypothesis of ejection of supermassive black holes from centers of galaxies and its application to quasar-galyxy associations
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 theExpand
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Some implications of escape of supermassive black holes from galactic nuclei due to plasmoid ejection
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 theirExpand
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Ejection of massive black holes from galaxies
Gravitational recoil of a gigantic black hole (M∼108–9 M⊙) formed in the nonspherical collapse of the nuclear part of a typical galaxy can take place with an appreciable speed as a consequence of theExpand
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Kinematics of Pulsar Beams
We have investigated in detail the geometry of the open magnetic field line structure of an oblique dipole rotator, with a view to attaining a better understanding of the geometry of pulsar beams inExpand
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Indian astronomy and the transits of Venus. 1: The early observations
This paper, the first of two, is about sightings and astronomical observations of transits of Venus across the disk of the Sun made from the Indian region. The period covered in this first paper isExpand
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Did Ibn Sina Observe the Transit of Venus of 1032 CE
The Persian polymath Abū ‘Alī Ibn Sīnā (980-1037 AD), known to early Western sources as Avicenna, records in one of his works, Compendium of the Almagest that ‘I say that I saw Venus as a spot on theExpand
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Gravitational searchlight and its astrophysical applications
WE wish to point out an interesting effect associated with light emitted in the forward direction by a source circulating in an equatorial plane around a highly collapsed object or a black hole ofExpand
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Frequency shifts and line broadening of radiation from rotating neutron stars
Calcul des deplacements de frequence et des elargissements de raies du rayonnement depuis la surface d'etoiles, de neutrons a rotation rapide
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The angular appearance of white holes
It is shown that non-radial light rays emitted from the surface of a white hole can emerge from inside the Schwarzschild barrier. The upper limit on their impact parameter is calculated under theExpand
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