搜索结果: 1-13 共查到“理论天体物理学 effect”相关记录13条 . 查询时间(0.468 秒)
Future deceleration due to effect of event horizon on cosmic backreaction
Future deceleration cosmic backreaction
2011/1/10
The present acceleration of the universe leads to the formation of a cosmological future event horizon. We explore the effects of the event horizon on cosmological backreaction due to inhomogeneities ...
Light WIMP Searches: The Effect of the Uncertainty in Recoil Energy Scale and Quenching Factor
Light WIMP Searches Recoil Energy Scale
2011/1/11
Taking liquid xenon detectors as a case study, the importance of a robust recoil energy calibration as a prerequisite to a search for light-mass Weakly Interacting Massive Particles (WIMPs) is emphasi...
The Effect of Environment on Shear in Strong Gravitational Lenses
gravitational lensing strong
2010/11/15
Using new photometric and spectroscopic data in the fields of nine strong gravitational lenses that lie in galaxy groups, we analyze the effects of both the local group environment and line-of-sight g...
Effect of Radiative Levitation on Calculations of Accretion Rates in White Dwarfs
Solar and Stellar Astrophysics (astro-ph.SR)
2010/12/29
Elements heavier than hydrogen or helium that are present in the atmospheres of white dwarfs with effective temperatures lower than 25,000 K, are believed to be the result of accretion. By measuring t...
A ground-based measurement of the relativistic beaming effect in a detached double WD binary
Solar and Stellar Astrophysics (astro-ph.SR)
2010/12/28
We report on the first ground-based measurement of the relativistic beaming effect (aka Doppler boosting).
An Optimal Approach for Measuring the Integrated Sachs-Wolfe Effect
Cosmology and Extragalactic Astrophysics (astro-ph.CO) General Relativity and Quantum Cosmology (gr-qc)
2010/12/28
One of the main challenges of modern cosmology is to understand the primordial fluctuations of the early Universe and the nature of the mysterious dark energy which causes the cosmic acceleration. The...
The Hanle Effect as a Diagnostic of Magnetic Fields in Stellar Envelopes. V. Thin Lines from Keplerian Disks
Solar and Stellar Astrophysics (astro-ph.SR)
2010/12/28
This paper focuses on the polarized profiles of resonance scattering lines that form in magnetized disks. Optically thin lines from Keplerian planar disks are considered. Model line profiles are calcu...
The negative magnetic pressure effect in stratified turbulence
Solar and Stellar Astrophysics (astro-ph.SR)
2010/12/28
While the rising flux tube paradigm is an elegant theory, its basic assumptions, thin flux tubes at the bottom of the convection zone with field strengths two orders of magnitude above equipartition, ...
The Atacama Cosmology Telescope: Cosmology from Galaxy Clusters Detected via the Sunyaev-Zel'dovich Effect
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2010/12/24
We present constraints on cosmological parameters based on a sample of Sunyaev-Zel'dovich-selected galaxy clusters detected in a millimeter-wave survey by the Atacama Cosmology Telescope.
Optical Redshift and Richness Estimates for Galaxy Clusters Selected with the Sunyaev-Zel'dovich Effect from 2008 South Pole Telescope Observations
galaxies clusters individual ]cosmology observations
2010/3/9
We present redshifts and optical richness properties of 21 galaxy clusters uniformly selected by their Sunyaev-Zel'dovich signature. These clusters, plus an additional, unconfirmed candidate, were det...
The effect of pressure gradients on luminosity distance - redshift relations
pressure gradients luminosity distance redshift relations
2010/3/18
Inhomogeneous cosmological models have had significant success in explaining cosmological observations without the need for dark energy. Generally, these models imply inhomogeneous matter distribution...
Virial Masses from the Hectospec Cluster Survey (HeCS) and the Sunyaev-Zeldovich Effect
individual galaxies kinematics and dynamics cosmology
2010/3/8
We present the first comparison of a large sample of virial masses of galaxy clusters with their Sunyaev-Zel'dovich (SZE) signals. We study 15 clusters from the Hectospec Cluster Survey (HeCS) with MM...
Effect of Perturbations in Coriolis and Centrifugal Forces on the Nonlinear Stability of Equilibrium Point in Robe's Restricted Circular Three-Body Problem
Perturbations Centrifugal Forces Coriolis three-body problem
2009/9/4
The effect of perturbations in Coriolis and cetrifugal forces on the nonlinear stability of the equilibrium point of the Robe's (1977) restricted circular three-body problem has been studied when the ...