The radius of PSR J0740+ 6620 from NICER and XMM-Newton data

MC Miller, FK Lamb, AJ Dittmann… - The Astrophysical …, 2021 - iopscience.iop.org
PSR J0740+ 6620 has a gravitational mass of 2.08±0.07 M⊙, which is the highest reliably
determined mass of any neutron star. As a result, a measurement of its radius will provide …

General relativistic treatment of -mode oscillations of hyperonic stars

BK Pradhan, D Chatterjee, M Lanoye, P Jaikumar - Physical Review C, 2022 - APS
We present a systematic study of f-mode oscillations in neutron stars containing hyperons,
extending recent results obtained within the Cowling approximation to linearized general …

Bayesian analysis of multimessenger MR data with interpolated hybrid EoS

A Ayriyan, D Blaschke, AG Grunfeld… - The European Physical …, 2021 - Springer
We introduce a family of equations of state (EoS) for hybrid neutron star (NS) matter that is
obtained by a two-zone parabolic interpolation between a soft hadronic EoS at low densities …

Was GW170817 a canonical neutron star merger? Bayesian analysis with a third family of compact stars

D Blaschke, A Ayriyan, DE Alvarez-Castillo… - Universe, 2020 - mdpi.com
We investigate the possibility that GW170817 was not the merger of two conventional
neutron stars (NS), but involved at least one if not two hybrid stars with a quark matter core …

Bayesian analysis of the properties of hybrid stars with the Nambu–Jona-Lasinio model

A Pfaff, H Hansen, F Gulminelli - Physical Review C, 2022 - APS
The possible presence of deconfined matter in the cores of massive neutron stars is the
subject of a large debate. In this context, it is important to set limits on the size and …

Application of Kaluza–Klein theory in modelling compact stars: exploring extra dimensions

A Horváth, E Forgács-Dajka… - Monthly Notices of the …, 2025 - academic.oup.com
ABSTRACT A theoretical framework for calculating the mass–radius curve of compact stars
in the Kaluza–Klein space–time is introduced, with one additional compact spatial …

A Bayesian Analysis on Neutron Stars within Relativistic Mean Field Models

P Char, S Traversi, G Pagliara - Particles, 2020 - mdpi.com
We present a Bayesian analysis on the equation of state of neutron stars based on a class of
relativistic mean field models. The priors on the equation of state are related to the …

Investigating the role of nuclear parameters in Neutron Star oscillations: a model comparison

R Maiti, D Chatterjee - arXiv preprint arXiv:2412.04373, 2024 - arxiv.org
Recent studies based on the relativistic mean field (RMF) model found certain nuclear
empirical parameters, in particular the nucleon effective mass, to be strongly correlated with …

Constraining Dense Matter Physics Using f-Mode Oscillations in Neutron Stars

S Jaiswal, D Chatterjee - Physics, 2021 - mdpi.com
In this paper, an investigation of the role of nuclear saturation parameters on f-mode
oscillations in neutron stars is performed within the Cowling approximation. It is found that …

Estimating compressibility from maximal-mass compact star observations

GG Barnaföldi, P Pósfay, BE Szigeti… - The European Physical …, 2020 - Springer
We investigated recent observation data of pulsar masses of PSR J0740+ 6620, PSR
J0348+ 0432, and PSR J1614− 2230 based on the extended σ-ω model. We assumed that …