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Galaxy rotation curves

The Discrepancy in Galaxy Rotation Curves

The Discrepancy in Galaxy Rotation Curves

... The discrepancy in galaxy rotation curves was the main reason for developing both modified gravity and dark matter theories. In this work we have shown that the discrepancy can be resolved in a new ...

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The unexpected diversity of dwarf galaxy rotation curves

The unexpected diversity of dwarf galaxy rotation curves

... dwarf galaxy rotation curves 3653 Figure ...velocity curves of simulated galaxies in the EAGLE-HR and LG-MR simulations, which have similar mass and force ...Solid curves indicate the ...

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Modeling the Rising Tails of Galaxy Rotation Curves

Modeling the Rising Tails of Galaxy Rotation Curves

... many galaxy rotation curves, which had been difficult to reconcile within the cold dark matter or modified Newtonian dynamics ...Gyr rotation periods of galaxies in the local ...

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A Study of Dark Matter with Spiral Galaxy Rotation Curves

A Study of Dark Matter with Spiral Galaxy Rotation Curves

... spiral galaxy rotation curves disfavor dark matter dominated by axion-like bosons with mass less than 45 ...consider galaxy NGC 2403. The observed rotation curves of this ...

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VACUUM MODIFIED GRAVITY AS AN EXPLANATION FOR FLAT GALAXY ROTATION CURVES

VACUUM MODIFIED GRAVITY AS AN EXPLANATION FOR FLAT GALAXY ROTATION CURVES

... which shows how the background vacuum energy density is related to the total mass of the galaxy. So, this shows also that ρ V not be a constant of nature. In our initial derivations however, we have as- sumed V to ...

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Vacuum Modified Gravity as an explanation for flat galaxy rotation curves

Vacuum Modified Gravity as an explanation for flat galaxy rotation curves

... flat galaxy rotation curves, without needing to invoke dark ...about galaxy rotation curves and is also able to explain to the Pioneer anomaly, the foamy distribution of galaxies ...

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A Study of Dark Matter with Spiral Galaxy Rotation Curves  Part II

A Study of Dark Matter with Spiral Galaxy Rotation Curves Part II

... Bruce Hoeneisen Universidad San Francisco de Quito, Quito, Ecuador Abstract In Part II of this study of spiral galaxy rotation curves we apply corrections and estimate all identified systematic ...

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CiteSeerX — The Inner Scale Length of Spiral Galaxy Rotation Curves

CiteSeerX — The Inner Scale Length of Spiral Galaxy Rotation Curves

... observed rotation curve, as derived for example from a long–slit Hα spectrum positioned along x, is smeared by seeing, instrumental resolution, averaging across the slit width, the finite thickness of the disk and ...

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Conformal gravity rotation curves with a conformal Higgs halo

Conformal gravity rotation curves with a conformal Higgs halo

... fit galaxy rotation curves, and this produces light bending in the wrong direction, away from the central mass rather than towards it, making it difficult to account for observed gravitational ...

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The Shapes of the Rotation Curves of Star forming Galaxies Over the Last ~10 Gyr

The Shapes of the Rotation Curves of Star forming Galaxies Over the Last ~10 Gyr

... rotation curves. We use these to test claims for declining rotation curves at large radii in galaxies at z ≈ 1–2 that have been interpreted as evidence for an absence of dark ...average ...

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Effects of Rotation around the Axis on the Stars, Galaxy and Rotation of Universe

Effects of Rotation around the Axis on the Stars, Galaxy and Rotation of Universe

... It should be mentioned here that a merger of stars, collisions of smaller stars with the larger ones and the collisions of other objects with stars, but outside cyclones, does not cause explosions, but these can ...

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Accelerated Frames and Galactic Rotation Curves

Accelerated Frames and Galactic Rotation Curves

... In this article the galactic rotation curve is analyzed as an effect of an accelerated reference frame. This phenomenon is the strongest evidence for the so called dark matter. We show that a non-inertial ...

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Fade to grey: systematic variation of galaxy attenuation curves with galaxy properties in the EAGLE simulations

Fade to grey: systematic variation of galaxy attenuation curves with galaxy properties in the EAGLE simulations

... 4 Cosmic Dawn Center (DAWN). Accepted XXX. Received YYY; in original form ZZZ ABSTRACT We present a simple model for galaxy attenuation by distilling SKIRT radiative trans- fer calculations for ∼ 100, 000 eagle ...

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A study of central galaxy rotation with stellar mass and environment

A study of central galaxy rotation with stellar mass and environment

... of galaxy stellar mass and cluster environment on the probability of slow rotation in 22 central galaxies at mean redshift z ...slow rotation in our sample of P(SR) = 54  ...slow rotation in ...

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Periodic Relativity: Deflection of Light, Acceleration, Rotation Curves

Periodic Relativity: Deflection of Light, Acceleration, Rotation Curves

... Periodic Relativity: Deflection of Light, Acceleration, Rotation Curves Vikram H. Zaveri B-4/6, Avanti Apt., Harbanslal Marg, Sion, Mumbai 400022 INDIA. E-mail: [email protected] Vectorial analysis ...

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Lorentz Symmetry Group, Retardation, and Galactic Rotation Curves

Lorentz Symmetry Group, Retardation, and Galactic Rotation Curves

... = f ( t − R dz v z ) v z (65) As both the specific enthalpy and the gravitational potential are dependent on the density, equation (64) turns into a rather complicated nonlinear integral equation for v z . However, many ...

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Prolate rotation and metallicity gradient in the transforming dwarf galaxy Phoenix

Prolate rotation and metallicity gradient in the transforming dwarf galaxy Phoenix

... prolate rotation that is aligned with the peculiar spatial distribution of the youngest stars in ...dwarf galaxy and the first wide area spectroscopic survey of its metallicity ...

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Testing dark matter halos using rotation curves and lensing

Testing dark matter halos using rotation curves and lensing

... Matos Testing dark matter halos using rotation curves and lensing... So far, I can show you that imposing extra assumptions on that nature, bias the results and the inference on the phys[r] ...

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Stellar and molecular gas rotation in a recently quenched massive galaxy at z ∼ 0.7

Stellar and molecular gas rotation in a recently quenched massive galaxy at z ∼ 0.7

... post-starburst galaxy at z ...the galaxy obtained from spatially resolved Gemini Integral- field spectra and in the gas kinematics obtained from the Atacama Large Millimeter /submillimeter Array ...

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Stellar and Molecular Gas Rotation in a Recently Quenched Massive Galaxy at z ∼ 0.7

Stellar and Molecular Gas Rotation in a Recently Quenched Massive Galaxy at z ∼ 0.7

... Based on our observations, none of these scenarios seem to accurately predict all of the characteristics of our target PSB. The significant rotational support and regular velocity field are most consistent with both ...

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