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16 papers
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…
The Radius of the High-mass Pulsar PSR J0740+6620 with 3.6 yr of NICER Data
Tuomo Salmi, Devarshi Choudhury, Yves Kini +14
We report an updated analysis of the radius, mass, and heated surface regions of the massive pulsar PSR J0740+6620 using Neutron Star Interior Composition Explorer (NICER) data fro…
An updated mass-radius analysis of the 2017-2018 NICER data set of PSR J0030+0451
Serena Vinciguerra, Tuomo Salmi, Anna L. Watts +11
In 2019 the NICER collaboration published the first mass and radius inferred for PSR J0030+0451, thanks to NICER observations, and consequent constraints on the equation of state c…
X-PSI Parameter Recovery for Temperature Map Configurations Inspired by PSR J0030+0451
Serena Vinciguerra, Tuomo Salmi, Anna L. Watts +3
In the last few years, the NICER collaboration has provided mass and radius inferences, via pulse profile modeling, for two pulsars: PSR J0030+0451 and PSR J0740+6620. Given the im…
The Radius of PSR J0740+6620 from NICER with NICER Background Estimates
Tuomo Salmi, Serena Vinciguerra, Devarshi Choudhury +15
We report a revised analysis for the radius, mass, and hot surface regions of the massive millisecond pulsar PSR J0740+6620, studied previously with joint fits to NICER and XMM-New…
Constraints on the dense matter equation of state and neutron star properties from NICER's mass-radius estimate of PSR J0740+6620 and multimessenger observations
G. Raaijmakers, S. K. Greif, K. Hebeler +7
In recent years our understanding of the dense matter equation of state (EOS) of neutron stars has significantly improved by analyzing multimessenger data from radio/X-ray pulsars,…