Chandra Observations Yield Millarcsecond Astrometry for Nineteen Pulsars, Advancing High-Energy Astrophysics

A study posted to arXiv in the Astrophysics section on February 23, 2026 (arXiv:2602.18436) presents detailed observational results for nineteen pulsars using data from the Chandra X-ray Observatory. The research team, led by Jack T. Dinsmore and Roger W. Romani, achieved extremely high-precision astrometry, measuring the positions of these objects with milliarcsecond (mas) accuracy.

This work contributes to a deeper understanding of high-energy astrophysical phenomena by providing precise positional information for pulsars. Accurately tracking the motions of these pulsars can offer new insights into the structure of the Milky Way and the origin and evolution of these rapidly rotating neutron stars.

The paper, accepted for publication in ApJ (The Astrophysical Journal), offers significant observational data and analysis for the field of astrophysics, particularly in the study of high-energy phenomena. This is expected to further advance our understanding of the cosmos.

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