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Neutron star radii and crusts: uncertainties and unified equations of state
M. Fortin, C. Providencia, A. R. Raduta +4
The uncertainties in neutron star (NS) radii and crust properties due to our limited knowledge of the equation of state (EOS) are quantitatively analysed. We first demonstrate the…
Progenitor neutron stars of the lightest and heaviest millisecond pulsars
M. Fortin, M. Bejger, P. Haensel +1
The recent mass measurements of two binary millisecond pulsars, PSR J1614-2230 and PSR J0751+1807 with a mass M=1.97+/-0.04 Msun and M= 1.26 +/- 0.14 Msun, respectively, indicate a…
Neutron stars with hyperon cores: stellar radii and EOS near nuclear density
M. Fortin, J. L. Zdunik, P. Haensel +1
The existence of 2 Msun pulsars puts very strong constraints on the equation of state (EOS) of neutron stars (NSs) with hyperon cores, which can be satisfied only by special models…
Formation of millisecond pulsars - NS initial mass and EOS constraints
M. Bejger, M. Fortin, P. Haensel +1
Recent measurement of a high millisecond pulsar mass (PSR J1614-2230, 1.97+-0.04 Msun) compared with the low mass of PSR J0751+1807 (1.26+-0.14 Msun) indicates a large span of mass…
Implications of the measured parameters of PSR J1903+0327 for its progenitor neutron star
M. Bejger, M. Fortin, P. Haensel +1
Using the intrinsic PSR J1903+0327 parameters evaluated from radio observations (mass, rotation period and dipole magnetic field deduced from the timing properties) we calculate th…