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Prospects for accurate distance measurements of pulsars with the Square Kilometer Array: Enabling fundamental physics

from Astronomy & Astrophysics

Pulsar timing is a powerful method that can be used to test general relativity by detecting gravitational waves, to determine the mass of planets, to study fundamental nuclear processes in neutron stars, and to accurately determine astronomical distances. The Square Kilometer Array (SKA) telescope, having both a dense core of dishes and long baselines (dishes located across a broad physical extent) allows the telescope to both find radio pulsars and to perform accurate astrometry on them. Researchers in Europe report predictions of SKA's capabilities to find pulsars by simulating the population of pulsars that can be expected to be found in a survey, and compare precision in distance measurements using timing parallax versus imaging parallax. more

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