Showing papers in "New Astronomy in 2022"

TL;DR: In this article , the behavior of charged compact stars in the modified f(R,ϕ) theory of gravity was investigated, where R and ϕ denote the Ricci scalar and scalar field respectively.

TL;DR: In this article , an equation of motion for Glashow-Weinberg-Salam model and applying the semiclassical Hamilton-Jacobi process and WKB approximation in order to compute the tunneling probability of W-bosons in the background of electromagnetic field to analyze the quantum gravity effects of charged black hole(BH) in Einstein-Gauss-Bonnet gravity theory was considered.

TL;DR: In this paper , the traversable wormholes have been explored in the context of the f(R,T) theory of gravity with R+2λT, where λ is an arbitrary constant.

TL;DR: In this article , the authors present a new version of the FIT3D and Pipe3D codes, two packages to derive properties of the stellar populations and the ionized emission lines from optical spectroscopy and integral field spectrumopy data respectively.

TL;DR: In this paper, the authors employed mimetic f ( R, T ) gravity coupled with Lagrange multiplier and mimetic potential to yield viable inflationary cosmological solutions consistent with latest Planck and BICEP2/Keck Array data.

TL;DR: In this article, the authors investigated whether the γ-rays can be produced by the high-energy electrons/positrons in a nebula powered by PSR J2229+6114.

TL;DR: In this paper, the effects of gravitational collapse by considering heat flux anisotropic matter sources within the framework of the f ( R ) theory of gravity were investigated. But, the authors only considered the non-static spherically symmetric configuration to narrate the nature of the interior spacetime and match it with the Vaidya exterior geometry, and they employed the well-known Karmarkar condition to reduce the solution-generating method of field equations to a single metric potential.

TL;DR: In this paper , the authors employed mimetic $f(R,T)$ gravity coupled with Lagrange multiplier and mimetic potential to yield viable inflationary cosmological solutions consistent with latest Planck and BICEP2/Keck Array data.

TL;DR: In this paper , a dimensionless parameter δ was proposed to quantize Tsallis holographic dark energy, which is a generalization of original Holo-Dark Energy, in order to test the idea of dark energy inside the structure of holographic principle and entropy formalism.

TL;DR: In this paper , the authors show that the mass budget in exo-Pluto planets necessary to explain the detection of ‘Oumuamua as a nitrogen iceberg chipped off from a planetary surface requires a mass of heavy elements exceeding the total quantity locked in stars with 95% confidence.

TL;DR: In this article, a novel artificial intelligence (AI) technique that uses machine learning (ML) methodologies combines several algorithms, which were developed by ThetaRay, Inc., is applied to NASA's Transiting Exoplanets Survey Satellite (TESS) dataset to identify exoplanetary candidates.

TL;DR: In this article, the authors investigated the deuteron- radiative capture reaction around the 3 + resonance energy region within the Effective Field Theory and found that the multipolarity E 2 contribution is dominant around the peak resonance.

TL;DR: In this article , a novel artificial intelligence (AI) technique that uses machine learning (ML) methodologies combines several algorithms, which were developed by ThetaRay, Inc. , is applied to NASA's Transiting Exoplanets Survey Satellite (TESS) dataset to identify exoplanetary candidates.

TL;DR: Based on the oscillation between the B phase and A phase of 3 P 2 neutron superfluid in neutron stars, Zhang et al. as mentioned in this paper proposed a new glitch model for young pulsars.

TL;DR: In this article , the authors investigate whether the γ-rays can be produced by the high-energy electrons/positrons in a nebula powered by PSR J2229 + 6114.

TL;DR: In this paper, the authors investigated the behavior of general relativistic hydrodynamics in the form of perfect fluid and holographic dark energy for anisotropic and homogenous space-time in the framework of f ( R, T ) gravity.

TL;DR: In this paper, the authors show that the mass budget in exo-Pluto planets necessary to explain the detection of ‘Oumuamua as a nitrogen iceberg chipped off from a planetary surface requires a mass of heavy elements exceeding the total quantity locked in stars with 95% confidence.

TL;DR: In this article , the authors present PT-REX, a software to carry out these studies between radio and X-ray emission in extended sources, which can investigate the spatial correlation between different emissions in an extended astrophysical source.

TL;DR: In this article , the authors explore the efficacy of an Artificial Neural Network (ANN) model using the K fold cross-validation strategy to deal with an imbalanced dataset and propose a robust scalable shallow ANN model which can handle data imbalance problems and train a large amount of data in less time.

TL;DR: In this paper , the authors proposed an effective approach and roadmap to numerically gain planar periodic orbits of three-body systems with arbitrary masses by means of machine learning based on an artificial neural network (ANN) model.

TL;DR: In this article , a thin-shell wormhole (TSW) was developed by employing the cut-and-paste method to two copies of the black hole, and the effects of the model parameters on the wormhole solutions were tested, the regions of linear stability were analyzed and stable wormhole solution have been obtained.

TL;DR: Based on the oscillation between the B phase and A phase of 3P2 neutron superfluid in neutron stars, Zhang et al. as mentioned in this paper proposed a new glitch model for young pulsars.

TL;DR: In this article , the variations of the light curve and orbital period for EE Cet were comprehensively studied from the 100-day TESS observations, and it was found that an 83.2-day oscillation occurs in the differences between two light maxima, which identifies the existence of chromospheric activity.

TL;DR: In this article, the authors present PT-REX, a software to carry out these studies between radio and X-ray emission in extended sources, which can investigate the spatial correlation between different emissions in an extended astrophysical source.

TL;DR: In this paper , the authors investigated the behavior of general relativistic hydrodynamics in the form of perfect fluid and holographic dark energy for anisotropic and homogenous space-time in the framework of f(R,T) gravity.

TL;DR: In this paper , the effects of gravitational collapse by considering heat flux anisotropic matter sources within the framework of the f ( R ) theory of gravity are illuminated. But, the authors do not consider the Vaidya exterior geometry.

TL;DR: In this article , the authors investigated triangular points' positions and velocity sensitivities in the circular restricted three-body problem framework for Luyten 726-8 and Achird systems.

TL;DR: In this paper , the light curves from AST3-1 were analyzed using the Wilson-Devinney (W-D) method to detect W-type contact binaries with mass ratios of q = 3.2621(0.0083) and q = 4.843( 0.014), respectively.

TL;DR: In this paper , the motion properties of a test particle having a variable mass according to Jeans' law and subject to the influence of a heterogeneous primary having N layers of different densities of a part and a second body producing a modified Newton potential on the other hand are analyzed.