Hubble parameter
Cosmic variance and the measurement of the local Hubble parameter.
... cosmological constant and cold dark matter) and fitting to observations of the cosmic microwave background (CMB) and baryon acoustic oscillations (BAO) only. These two independent measurements give a discrepancy of ...
5
A 6% measurement of the Hubble parameter at z~0 45 : direct evidence of the epoch of cosmic re acceleration
... This work has shown the potential of the cosmic chronometers approach to set cosmology- independent constraints on the Hubble parameter H(z). This technique can be considered as a complementary tool with ...
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Bianchi Type I Bulk Viscous Barotropic Fluid Cosmological Model with Varying Λ and Functional Relation on Hubble Parameter in Self-Creation Theory of Gravitation
... on Hubble parameter in self-creation theory of ...for Hubble parameter leads cosmological model which is dominated by decelerating phase at initial stage and at later stage, the universe has ...
6
Constraining The Hubble Parameter Using Distance Modulus - Redshift Relation
... estimated Hubble parameter and estimated age and size of the universe from the estimated Hubble parameter based on equation (20) are shown in Table ...
12
Accelerated cosmological expansion without tension in the Hubble parameter - Fast evolution of the Hubble parameter H(z)
... unchanged. By volume, weak gravity makes up most of the Universe. If inertia falls below its New- tonian value in weak gravity, then possibly the Hubble expansion is faster than what is expected in ΛCDM. For this ...
8
How to Determine Initial Starting Time Step with an Initial Hubble Parameter H = 0 after Formation of Causal Structure Leading to Investigation of the Penrose Weyl Tensor Conjecture
... Doing that is equivalent to the following a Detailing a relic initial graviton rate, for the start of expansion from a causal discontinuous bubble of space-time b Detailing a physical me[r] ...
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The foundation of the theory of the universe dark energy and its nature
... Relativity, Hubble Parameter, cosmic inflation theory and on NASA’s obser- vation of supernova 1a, then a second-order (parabolic) parametric model is obtained in this proposed paper to describe the ...
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The Interacting Generalized Ricci Dark Energy Model in Non Flat Universe
... Hubble parameter (9), the dark energy density (14) and matter energy density ...the Hubble parameter. We have shown that the allowed parameter range for the fractional energy density of ...
8
Predicting Dark Energy Survey Results Using the Flat Space Cosmology Model
... the Hubble parameter at each epoch of cosmic expan- ...the Hubble parameter as a function of redshift z is pre- sented as the FSC prediction of the pending Dark Energy Survey ...local ...
7
An accelerating and rotating Planck-Hubble universe (A very simple model of quantum cosmology)
... of Hubble parameter to angular velocity, right from the beginning of Planck scale, we make an attempt to estimate ordinary matter density ratio, dark matter density ratio, mass, radius, temperature, age and ...
10
Vol 9, No 5 (2018)
... average Hubble parameter are evaluated and studied the physical behaviour of the dark energy dominated ...state parameter 𝜔 is negative under certain condition which gives the negative deceleration ...
5
The Hubble Field vs Dark Energy
... squared Hubble parameter and that the uncertain dark energy may be substituted by the calculable Hubble field intensity to obtain an equation for the net Un- iverse ...the Hubble ...
9
The Hubble Field vs Dark Energy, Part II: The Lagrange Hamilton Equation and Some Concepts on Force, Energy and Tensors in the Hubble Field
... for every stratum of the Universe. In the present work it is proved the con- stancy of the Hubble force by means of its generalized coordinates. As well, an equation to relate the Lagrange and the Hamilton ...
8
A gravitational wave standard siren measurement of the Hubble constant
... The UCSC group is supported in part by NSF grant AST–1518052, the Gordon & Betty Moore Foundation, the Heising-Simons Foundation, gen- erous donations from many individuals through a UCSC Giving Day grant, and from ...
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A Local Hubble Bubble from Type Ia Supernovae?
... The Gaussian synthetic catalogs are straightforward analogs of the real data, but their validity relies on the accuracy of our error estimates and their distribution. The fact that the observed s2 per degree of freedom ...
10
A cosmological view on Milgrom’s acceleration constant
... acceleration parameter a 0 , the best that can be done is accepting the empirical value of Ω B as established in the Standard Model of Cosmology from the Planck Collaboration Group, which says that [8], ...
9
Phase-resolved Hubble Space Telescope ultraviolet spectroscopy
... An important point to bear in mind here, however, is that it is not possible to reproduce the line profiles observed between phases 0.875 and 1.525 solely by superimposing a broad, varia[r] ...
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The Hubble Tension: Change in Dark Energy or a Case for Modified Gravity? C Sivaram
... With = 10 / , and the Universe having expanded at present to > (where ≈ 10 ) the modified term will also contribute. Putting values of ≈ 2 × 10 , ≈ 10 / , and the mass of the Universe, = 2 ≈ 10 , the usual first term ...
5
To the Theory of Galaxies Rotation and the Hubble Expansion in the Frame of Non Local Physics
... The Hubble expansion with acceleration is explained as result of mathematical modeling based on the principles of non-local ...the Hubble expansion need not in the introduction of new essence like dark ...
20
The MUSE 3D view of the Hubble Deep Field South
... The Hubble Deep Field South (HDFS) which was observable during the second half of the nights for a few hours, although at relatively high airmass, was selected as the ideal target to validate the performance ...
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