The 1.97+/-0.04 Msolar Pulsar J1614-2230

Astronomy and Astrophysics – Astrophysics

Scientific paper

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White Dwarfs, Time Series, Radio, Stars, Faint Blue Stars, White Dwarfs, Degenerate Stars, Nuclei Of Planetary Nebulae, Time Series Analysis, Time Variability, Radio, Microwave, Stellar Structure, Interiors, Evolution, Nucleosynthesis, Ages

Scientific paper

Radio timing measurements of the binary millisecond pulsar J1614-2230 yielded high-precision mass measurements of the neutron star and white dwarf companion. The high orbital inclination angle, and large companion mass combined to produce a significant Shapiro Delay in the timing residuals, which betrayed the presence of the most massive neutron star currently known (MNS = 1.97+/-0.04 Msolar). The primary implications of these findings are briefly summarized.

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