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Sharp Periodic Flares and Long-Term Variability in the High-Mass X-ray Binary XTE J1829-098 from RXTE PCA, Swift BAT and MAXI Observations
Robin H. D. Corbet, Ralf Ballhausen, Peter A. Becker +20
XTE J1829-098 is a transient X-ray pulsar with a period of ~7.8 s. It is a candidate Be star system, although the evidence for this is not yet definitive. We investigated the twent…
A NICER View of PSR J12311411: A Complex Case
Tuomo Salmi, Julia S. Deneva, Paul S. Ray +16
Recent constraints on neutron star mass and radius have advanced our understanding of the equation of state (EOS) of cold dense matter. Some of them have been obtained by modeling…
A NICER View of the Nearest and Brightest Millisecond Pulsar: PSR J0437$\unicode{x2013}$4715
Devarshi Choudhury, Tuomo Salmi, Serena Vinciguerra +17
We report Bayesian inference of the mass, radius and hot X-ray emitting region properties - using data from the Neutron Star Interior Composition ExploreR (NICER) - for the brighte…
Constraining the dense matter equation of state with new NICER mass-radius measurements and new chiral effective field theory inputs
Nathan Rutherford, Melissa Mendes, Isak Svensson +12
Pulse profile modeling of X-ray data from NICER is now enabling precision inference of neutron star mass and radius. Combined with nuclear physics constraints from chiral effective…
A More Precise Measurement of the Radius of PSR J0740+6620 Using Updated NICER Data
Alexander J. Dittmann, M. Coleman Miller, Frederick K. Lamb +9
PSR J0740+6620 is the neutron star with the highest precisely determined mass, inferred from radio observations to be . Measurements of its radius therefo…
Localisation of the non-thermal X-ray emission of PSR~J2229+6114 from its multi-wavelength pulse profiles
J. Pétri, S. Guillot, L. Guillemot +5
Pulsars are detected over the whole electromagnetic spectrum, from radio wavelengths up to very high energies, in the GeV-TeV range. Whereas the radio emission site for young pulsa…