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A Massive Pulsar in a Compact Relativistic Binary

Authors: Antoniadis, J.; Freire, P. C. C.; Wex, N.; Tauris, T. M.; Lynch, R. S.; van Kerkwijk, M. H.; Kramer, M.; +15 Authors

A Massive Pulsar in a Compact Relativistic Binary

Abstract

Pulsar Tests GravityBecause of their extremely high densities, massive neutron stars can be used to test gravity. Based on spectroscopy of its white dwarf companion,Antoniadiset al.(p.448) identified a millisecond pulsar as a neutron star twice as heavy as the Sun. The observed binary's orbital decay is consistent with that predicted by general relativity, ruling out previously untested strong-field phenomena predicted by alternative theories. The binary system has a peculiar combination of properties and poses a challenge to our understanding of stellar evolution.

Countries
United Kingdom, Denmark, Netherlands, Denmark, Germany, United Kingdom, Germany
Keywords

High Energy Astrophysical Phenomena (astro-ph.HE), Multidisciplinary, Gravitational Radiation, FOS: Physical sciences, Neutron Stars, General Relativity and Quantum Cosmology (gr-qc), Tests of General relativity, 530, 520, Stellar evolution, General Relativity and Quantum Cosmology, General relativity, Astrophysics - Solar and Stellar Astrophysics, Quantum Gases (cond-mat.quant-gas), Astrophysics - High Energy Astrophysical Phenomena, Condensed Matter - Quantum Gases, Pulsars, Solar and Stellar Astrophysics (astro-ph.SR)

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
3K
Top 0.01%
Top 0.1%
Top 0.01%
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bronze