Results 31 to 40 of about 625,183 (211)
We present the results of a large-area survey for millisecond pulsars (MSPs) at moderately high galactic latitudes with the 64 m Parkes radio telescope, along with follow-up timing and optical studies of the newly-discovered pulsars and several others ...
Jacoby, Bryan Anthony
core +1 more source
Binary and Other Recycled Pulsars [PDF]
Binary pulsars and others with weak fields and rapid rotation now number several dozen and appear to have been spun up by close binary mass transfer. Some are lineal descendents of X-ray binaries; others may result from accretion-induced collapse of binary white dwarfs or from captures, exchanges, and collisions in clusters. Seven accurate neutron star
openaire +3 more sources
A massive millisecond pulsar in an eccentric binary [PDF]
The recent discovery of a population of eccentric (e ~ 0.1) millisecond pulsar (MSP) binaries with low-mass white dwarf companions in the Galactic field represents a challenge to evolutionary models that explain MSP formation as recycling: all such models predict that the orbits become highly circularised during a long period of accretion.
E. D. Barr +7 more
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Black hole/pulsar binaries in the Galaxy [PDF]
ABSTRACT We have performed population synthesis calculation on the formation of binaries containing a black hole (BH) and a neutron star (NS) in the Galactic disc. Some of important input parameters, especially for the treatment of common envelope evolution, are updated in the calculation.
Shao, Yong, Li, Xiang-Dong
openaire +2 more sources
Periodicity Search for Pulsar Binaries with TESS [PDF]
Abstract Pulsar binaries, in particular redback systems, provide good sources to study the pulsar wind flow and its interaction with the companion stars. Fermi-LAT have proposed probable pulsar binary candidates in its catalogs. An orbital modulation search of binary candidates is an effective way to identify pulsar binary sources from ...
Partha Sarathi Pal +6 more
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A Search for Gravitational Waves from Perturbed Black Hole Ringdowns in LIGO Data [PDF]
According to General Relativity a perturbed black hole will return to a stable configuration by the emission of gravitational radiation in a superposition of quasi-normal modes. Such a perturbation will occur due to the coalescence of a black hole binary,
Goggin, Lisa Maria
core +1 more source
Origin of the Binary Pulsar J0737-3039B
Evolutionary scenarios suggest that the progenitor of the new binary pulsar J0737-3039B \cite{ref1,ref2} was a He-star with $M > 2.1-2.3~\Ms$ \cite{ref3,ref4}. We show that this case implies that the binary must have a large ($>120$ km/s) center of mass velocity.
Piran, Tsvi, Shaviv, Nir J.
openaire +4 more sources
SOME EVOLUTIONARY ASPECTS OF THE BINARY STELLAR SYSTEMS CONTAINING NEUTRON STAR
The obvious lack of the binary stellar systems that contain neutron stars (NS) is observed at present. Partly it is caused by the fact that it is very difficult to detect neutron star in a binary system if this relativistic component does not manifest ...
Oleg O. Ulyanov +3 more
doaj +1 more source
On the Orbital Properties of Millisecond Pulsar Binaries [PDF]
Abstract We report a detailed analysis of the orbital properties of a binary millisecond pulsar (MSP) with a white dwarf (WD) companion. Positive correlations between the orbital period P b and eccentricity ϵ are found in two classes of MSP binaries with a He WD and with a CO/ONeMg WD, though their trends are different.
C. Y. Hui +4 more
openaire +3 more sources
Are many pulsars processed in binary systems? [PDF]
A detailed statistical analysis of pulsar current is presented. The conclusions reached are the following: (1) The birthrate of pulsars is about one in 75 ± 15 years. (2) There is evidence for injection of pulsars into the population of solitary pulsars.
Deshpande, A. A. +3 more
core +2 more sources

