Results 41 to 50 of about 4,263,806 (339)

Measuring galaxy [OII] emission line doublet with future ground-based wide-field spectroscopic surveys [PDF]

open access: yes, 2013
The next generation of wide-field spectroscopic redshift surveys will map the large-scale galaxy distribution in the redshift range 0.7 ...
Bacon, Roland   +6 more
core   +4 more sources

Constraining cosmic expansion and gravity with galaxy redshift surveys [PDF]

open access: yes, 2012
We analyze the science reach of a next generation galaxy redshift survey such as BigBOSS to fit simultaneously for time varying dark energy equation of state and time- and scale-dependent gravity.
S. Daniel, E. Linder
semanticscholar   +1 more source

Probing Dark Energy with Baryonic Acoustic Oscillations from Future Large Galaxy Redshift Surveys [PDF]

open access: yes, 2003
We show that the measurement of the baryonic acoustic oscillations in large high-redshift galaxy surveys offers a precision route to the measurement of dark energy.
H. Seo, D. Eisenstein
semanticscholar   +1 more source

Growth factor and galaxy bias from future redshift surveys: a study on parametrizations [PDF]

open access: yes, 2011
Many experiments in the near future will test dark energy through its effects on the linear growth of matter perturbations. In this paper, we discuss the constraints that future large-scale redshift surveys can put on three different parametrizations of ...
C. D. Porto, L. Amendola, E. Branchini
semanticscholar   +1 more source

Measuring Redshift-Space Distortions using Photometric Surveys [PDF]

open access: yes, 2011
We outline how redshift-space distortions (RSD) can be measured from the angular correlation function w({\theta}), of galaxies selected from photometric surveys.
Alcock   +50 more
core   +2 more sources

Combining weak-lensing tomography and spectroscopic redshift surveys [PDF]

open access: yes, 2011
Redshift space distortion (RSD) is a powerful way of measuring the growth of structure and testing General Relativity, but it is limited by cosmic variance and the degeneracy between galaxy bias b and the growth rate factor f.
Yan-Chuan Cai, G. Bernstein
semanticscholar   +1 more source

Cosmology with large redshift surveys

open access: yes, 2012
Galaxy redshift surveys are a major tool to address the most challenging cosmological problems facing cosmology, like the nature of dark energy and properties dark matter.
Sodre Jr, Laerte
core   +1 more source

Measuring the cosmological constant with redshift surveys [PDF]

open access: yes, 1996
It has been proposed that the cosmological constant $\Lambda$ might be measured from geometric effects on large-scale structure. A positive vacuum density leads to correlation-function contours which are squashed in the radial direction when calculated ...
Ballinger, W. E.   +2 more
core   +3 more sources

A NEW METHOD FOR THE DETERMINATION OF THE GROWTH RATE FROM GALAXY REDSHIFT SURVEYS [PDF]

open access: yes, 2011
Given a redshift survey of galaxies with measurements of apparent magnitudes, we present a novel method for measuring the growth rate f(Ω) of cosmological linear perturbations.
A. Nusser, E. Branchini, M. Davis
semanticscholar   +1 more source

Optimized Photometric Redshifts for the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS)

open access: yesThe Astrophysical Journal, 2023
We present the first comprehensive release of photometric redshifts (photo - z 's) from the Cosmic Assembly Near-Infrared Deep Extragalactic Legacy Survey (CANDELS) team.
Dritan Kodra   +29 more
doaj   +1 more source

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