Embedding class I spherically symmetric charged compact star model
Sign Up to like & getrecommendations! Published in 2020 at "Astrophysics and Space Science"
DOI: 10.1007/s10509-020-3734-6
Abstract: The present article is an attempt to arrive at a new solution for an isotropic charged compact star model admitting Karmarkar’s condition in the context of general relativity. For this we chose a new metric… read more here.
Keywords: star model; embedding class; compact star; model ... See more keywords
The Relationship Between X-Ray Binaries and Compact Star Clusters in NGC 2403, NGC 4303 and NGC 1672
Sign Up to like & getrecommendations! Published in 2025 at "Publications of the Astronomical Society of the Pacific"
DOI: 10.1088/1538-3873/adf00e
Abstract: This study investigates the identification X-ray binary systems (XRBs) and their association with nearby compact star clusters in the galaxies NGC 2403, NGC 4303, and NGC 1672. Using data from the Hubble Space Telescope (HST)/ACS/Wide… read more here.
Keywords: ngc 4303; ngc 1672; compact star; star clusters ... See more keywords
Diverse properties of Ly α emission in low-redshift compact star-forming galaxies with extremely high [O iii]/[O ii] ratios
Sign Up to like & getrecommendations! Published in 2019 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stz3041
Abstract: We present observations with the Cosmic Origins Spectrograph onboard the Hubble Space Telescope of eight compact star-forming galaxies at redshifts z = 0.02811–0.06540, with low oxygen abundances 12 + log(O/H) = 7.43–7.82 and extremely high emission-line flux ratios O32 = [O iii]… read more here.
Keywords: fesc; forming galaxies; compact star; star forming ... See more keywords
Influence of the equation of state on a compact star made of hidden-sector nucleons
Sign Up to like & getrecommendations! Published in 2020 at "Progress of Theoretical and Experimental Physics"
DOI: 10.1093/ptep/ptaa014
Abstract: We study compact star made of degenerate hidden sector nucleons which will be a candidate for cold dark matter. A hidden sector like QCD is considered, and as the low energy effective theory we take… read more here.
Keywords: sector nucleons; star made; compact star; hidden sector ... See more keywords
Einstein’s cluster mimicking compact star in the teleparallel equivalent of general relativity
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review D"
DOI: 10.1103/physrevd.100.084023
Abstract: We present a physically plausible solution representing Einstein's cluster mimicking the behaviors of compact star in the context of teleparallel equivalent of general relativity. The Teleparallel gravity (TEGR) is an alternative formulation of gravity which… read more here.
Keywords: general relativity; teleparallel; compact star; einstein cluster ... See more keywords
Low mass strange stars and the compact star 1E1207.4-5209 in the field correlator method
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review D"
DOI: 10.1103/physrevd.104.043020
Abstract: We study the anomalous mass defects in the first (ascendant) branch of stellar sequences of static strange stars. We employ the nonperturbative equation of state derived in the framework of the Field Correlator Method to… read more here.
Keywords: strange stars; 1e1207 5209; correlator method; field correlator ... See more keywords
Anisotropic compact star models in f(T) gravity with Tolman–Kuchowicz spacetime
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Geometric Methods in Modern Physics"
DOI: 10.1142/s0219887821500602
Abstract: The purpose of this work is to present stellar models for anisotropic matter distribution in the framework of f(T) gravity with torsion scalar T. In this regard, we use the interior geometry of Tol... read more here.
Keywords: anisotropic compact; compact star; models gravity; gravity tolman ... See more keywords
Fractional Sturm-Liouville operators on compact star graphs
Sign Up to like & getrecommendations! Published in 2024 at "Demonstratio Mathematica"
DOI: 10.1515/dema-2024-0069
Abstract: Abstract In this article, we examine two problems: a fractional Sturm-Liouville boundary value problem on a compact star graph and a fractional Sturm-Liouville transmission problem on a compact metric graph, where the orders α i… read more here.
Keywords: sturm liouville; compact star; fractional sturm; graph ... See more keywords
Properties of the Object HESS J1731-347 as a Twin Compact Star
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DOI: 10.3390/universe11070224
Abstract: By consideration of the compact object HESS J1731-347 as a hybrid twin compact star, i.e., a more compact star than its hadronic twin of the same mass, its stellar properties are derived. In addition to… read more here.
Keywords: star; j1731 347; object hess; compact star ... See more keywords
Compact Star Properties from an Extended Linear Sigma Model
Sign Up to like & getrecommendations! Published in 2019 at "Universe"
DOI: 10.3390/universe5070174
Abstract: The equation of state provided by effective models of strongly interacting matter should comply with the restrictions imposed by current astrophysical observations of compact stars. Using the equation of state given by the (axial-)vector meson… read more here.
Keywords: extended linear; linear sigma; compact star; sigma model ... See more keywords