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Constraining the Neutron Star Mass-Radius Relation and Dense Matter Equation of State with NICER. II. Emission from Hot Spots on a Rapidly Rotating Neutron Star
Slavko Bogdanov, Frederick K. Lamb, Simin Mahmoodifar +10
We describe the model of surface emission from a rapidly rotating neutron star that is applied to Neutron Star Interior Composition Explorer X-ray data of millisecond pulsars in or…
Constraining the Neutron Star Mass-Radius Relation and Dense Matter Equation of State with NICER. I. The Millisecond Pulsar X-ray Data Set
Slavko Bogdanov, Sebastien Guillot, Paul S. Ray +27
We present the set of deep Neutron Star Interior Composition Explorer (NICER) X-ray timing observations of the nearby rotation-powered millisecond pulsars PSRs J0437-4715, J0030+04…
A NICER view of PSR J0030+0451: evidence for a global-scale multipolar magnetic field
Anna V. Bilous, Anna L. Watts, Alice K. Harding +8
Recent modeling of NICER observations of thermal X-ray pulsations from the surface of the isolated millisecond pulsar PSR J0030+0451 suggests that the hot emitting regions on the p…
A NICER view of PSR J0030+0451: Implications for the dense matter equation of state
G. Raaijmakers, T. E. Riley, A. L. Watts +14
Both the mass and radius of the millisecond pulsar PSR J0030+0451 have been inferred via pulse-profile modeling of X-ray data obtained by NASA's NICER mission. In this Letter we st…
A NICER View of PSR J0030+0451: Millisecond Pulsar Parameter Estimation
Thomas E. Riley, Anna L. Watts, Slavko Bogdanov +13
We report on Bayesian parameter estimation of the mass and equatorial radius of the millisecond pulsar PSR J00300451, conditional on pulse-profile modeling of Neutron Star Inter…
Relativistic ocean -modes during type-I X-ray bursts
Frank R. N. Chambers, Anna L. Watts
Accreting neutron stars (NS) can exhibit high frequency modulations in their lightcurves during thermonuclear X-ray bursts, known as burst oscillations. These frequencies can be of…