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The Role of Binary Stars in Understanding the Physics and Evolution of Stars
AbstractThe diversity of close binary stars (CBSs) and the rich manifestation of their activity as a result of the interaction of stellar components...
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Stars
The star is the most familiar and undoubtedly the most transcendental astronomical object. The word comes from the Latin stella and designates any...
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Herbig Stars
Herbig Ae/Be stars are young contracting stars on the radiative track in the HR diagram on their way to the main sequence. These stars provide a...
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Stars That Breathe
Stars which show a variation in their brightness are called variable stars. Pulsating variables are intrinsic variable stars whose brightness changes...
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Chains of mini-boson stars
In this paper, we re-investigate the static, soliton-like solutions in the model of the Einstein gravity coupled to a free and complex scalar field,...
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Formation of Stars
In this chapter we discuss the formation of stars. The formation of stars can be observed in various gas nebulae, and the formation process is...
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Isolated Neutron Stars
Non-accreting neutron stars display diverse characteristics, leading us to classify them into several groups. This chapter is an observational driven...
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Isolated Neutron Stars
Non-accreting neutron stars display diverse characteristics, leading us to classify them into several groups. This chapter is an observational driven...
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Axion stars in MGD background
The minimal geometric deformation (MGD) paradigm is here employed to survey axion stars on fluid branes. The finite value of the brane tension...
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Metallicity of Young Stars of the NGC 4068 Galaxy
AbstractBased on archival images from the Hubble Space Telescope, stellar photometry of the galaxy NGC 4068 was carried out. The resulting...
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Quark-hadron deconfinement phase transition and massive hybrid stars
The stellar configurations of quark stars have been studied using perturbative QCD (pQCD). The effective equation of state (EoS) for cold quark...
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Stability of Rotating Gaseous Stars
We consider stability of rotating gaseous stars modeled by the Euler–Poisson system with general equation of states. When the angular velocity of the...
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On the stability and deformability of top stars
Topological stars, or top stars for brevity, are smooth horizonless static solutions of Einstein-Maxwell theory in 5-d that reduce to spherically...
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Note on super-critical charged boson stars
We study the transition of charged boson stars from sub- to super-criticality. This transition is defined as that choice of coupling constants for...
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Enrichment by extragalactic first stars in the Large Magellanic Cloud
The Large Magellanic Cloud (LMC) is the Milky Way’s most massive satellite galaxy, which only recently (~2 billion years ago) fell into our Galaxy....
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Boson Stars
We review particle-like configurations of complex scalar field, localized by gravity, so-called boson stars. In the simplest case, these solutions...
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Skyrme-Like Λ Hyperonic Interactions and Neutron Stars Properties
AbstractAt high densities that are achieved in neutron stars, there may be additional sensitivity to certain properties of the baryonic interaction....
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Spherically symmetric anisotropic strange stars
In this work, we made an extensive study about the possible presence of anisotropies in strange stars. To accomplish this task, we use three...
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Parameters and the Eddington pulsation constant of Galactic RRab stars
For Galactic RRab stars 121 empirical and semiempirical metallicity–absolute magnitude relations known since 1990 are analyzed. For these variables,...
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Dynamical boson stars
The idea of stable, localized bundles of energy has strong appeal as a model for particles. In the 1950s, John Wheeler envisioned such bundles as...
