Journal ArticleDOI
Observation of a Rapidly Pulsating Radio Source
TLDR
In this article, the first report of a curious class of astronomical radio sources, distinguished by their rapid and extremely regular pulsations, was made by Hewish et al. They are now understood to be rapidly rotating, magnetized neutron stars, or pulsars.Abstract:
Unusual signals from pulsating radio sources have been recorded at the Mullard Radio Astronomy Observatory The radiation seems to come from local objects within the galaxy, and may be associated with oscillations of white dwarf or neutron stars 1968 saw the first report of a curious class of astronomical radio sources, distinguished by their rapid and extremely regular pulsations Hewish et al associated them with unusually stable oscillations in compact stars They are now understood to be rapidly rotating, magnetized neutron stars, or pulsarsread more
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A New Model for the Radio Emission from SN 1994I and an Associated Search for Radio Transients in M51
TL;DR: In this paper, a model for the supernova radio emission and a pilot study that aims to constrain the rate of C-band radio transients within the face-on host galaxy, M51 (NGC 5194), were presented.
Journal ArticleDOI
Can cold quark matter be solid
TL;DR: The state of cold quark matter really challenges both astrophysicists and particle physicists, even many-body physicists as discussed by the authors, and it is conventionally suggested that BCS-like color superconductivity occurs in cold Quark matter; however, other scenarios with a ground state rather than Fermi gas could still be possible.
Journal ArticleDOI
Axion configurations around pulsars
B. Garbrecht,J. I. McDonald +1 more
TL;DR: In this paper, the authors investigate a new scenario in which macroscopic axion configurations are sourced by the electromagnetic fields of pulsars via the axion-photon coupling, and derive the total mass of the scalar cloud generated around the pulsar and the power loss for radiative solutions.
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Long-term study of extreme giant pulses from PSR B0950+08 with AARTFAAC
Mark Kuiack,Ralph A. M. J. Wijers,Antonia Rowlinson,Antonia Rowlinson,Aleksandar Shulevski,Folkert Huizinga,Gijs Molenaar,Peeyush Prasad +7 more
TL;DR: In this article, the authors report on the detection of extreme giant pulses (GPs) from one of the oldest known pulsars, the highly variable PSR B0950+08, with the Amsterdam-ASTRON Radio Transient Facility And Analysis Centre (AARTFAAC), a parallel transient detection instrument operating as a subsystem of the LOw Frequency ARray (LOFAR).
References
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Journal ArticleDOI
Interplanetary Scintillation of Small Diameter Radio Sources
TL;DR: In this article, the authors used the black-body equations to calculate the increased radiation appropriate to the observed brightness increase in the star over a 1,000 A.u. band-width at 5,400 A.U.
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Normal modes of radial pulsation of stars at the end point of thermonuclear evolution
David W. Meltzer,Kip S. Thorne +1 more
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Energetic Particles from the Sun
C. E. Fichtel,F. B. Mcdonald +1 more
TL;DR: In this article, the authors discuss the association of solar cosmic rays with flare association, solar particle acceleration, recurrence and low energy solar particle events, and discuss the effects of solar particle particle acceleration.
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Possible magnetospheric phenomena associated with neutron stars
TL;DR: In this paper, it was shown that the importance of the early cooling by emission of neutrinos from the Urca process has been underestimated in the foregoing investigations, and the calculations of Miss Tsuruta indicate that a neutron star will rapidly cool to 3 or 4 × 106 °K, but that after 105 years its surface temperature will still be about 2 × 106°K.