Results 31 to 40 of about 4,263,806 (339)

Cosmology with photometric redshift surveys [PDF]

, 2004
We explore the utility of future photometric redshift imaging surveys for delineating the large-scale structure of the Universe, and assess the resulting constraints on the cosmological model.
Blake, Chris, Bridle, Sarah
core   +4 more sources

Peculiar velocity decomposition, redshift space distortion, and velocity reconstruction in redshift surveys. II. Dark matter velocity statistics [PDF]

, 2013
Massive spectroscopic redshift surveys open a promising window to accurately measure peculiar velocity at cosmological distances through redshift space distortion (RSD). In Paper I Zhang et al. [Phys. Rev.
Yi Zheng, Pengjie Zhang, Y. Jing, Weipeng Lin, Jun Pan   +4 more
semanticscholar   +1 more source

Measuring the transition to homogeneity with photometric redshift surveys [PDF]

, 2013
We study the possibility of detecting the transition to homogeneity using photometric redshift catalogs. Our method is based on measuring the fractality of the projected galaxy distribution, using angular distances, and relies only on observable ...
David Alonso, A. B. Belloso, F. J. S'anchez, J. García-Bellido, E. S'anchez   +4 more
semanticscholar   +1 more source

Spectral Templates from Multicolor Redshift Surveys [PDF]

, 1999
Understanding how the physical properties of galaxies (e.g. their spectral type or age) evolve as a function of redshift relies on having an accurate representation of galaxy spectral energy distributions.
Alexander S. Szalay, Andrew J. Connolly, Baum W. A., Everson R., Hogg D. W., István Csabai, Karhunen H., Koo D. C., Mark Dickinson, Tamás Budavári   +9 more
core   +4 more sources

Towards more realistic forecasting of dark energy constraints from galaxy redshift surveys [PDF]

, 2012
Galaxy redshift surveys are becoming increasingly important as a dark energy probe. We improve the forecasting of dark energy constraints from galaxy redshift surveys by using the ‘dewiggled’ galaxy power spectrum, P_(dw)(k), in the Fisher matrix ...
Yun Wang, C. Chuang, C. Hirata
semanticscholar   +1 more source

Cosmology with clustering anisotropies: disentangling dynamic and geometric distortions in galaxy redshift surveys [PDF]

, 2012
We investigate the impact of different observational effects affecting a precise and accurate measurement of the growth rate of fluctuations from the anisotropy of clustering in galaxy redshift surveys.
F. Marulli, D. Bianchi, E. Branchini, L. Guzzo, L. Moscardini, R. Angulo   +5 more
semanticscholar   +1 more source

The effects of spatial resolution on Integral Field Spectrograph surveys at different redshifts. The CALIFA perspective [PDF]

, 2013
Over the past decade, 3D optical spectroscopy has become the preferred tool for understanding the properties of galaxies and is now increasingly used to carry out galaxy surveys. Low redshift surveys include SAURON, DiskMass, ATLAS3D, PINGS and VENGA. At
Aguerri, J. A. L., Bekeraite, S., Bland-Hawthorn, J., Bomans, D. J., de Lorenzo-Caceres, A., del Olmo, A., Falcon-Barroso, J., Galbany, L., García-Lorenzo, B., Husemann, B., Iglesias-Paramo, J., Kehrig, C., Kennicutt, R. C., Lopez-Sanchez, A. R., Marino, R. A., Marmol-Queralto, E., Marquez, I., Mast, D., Mendez-Abreu, J., Monreal-Ibero, A., Papaderos, P., Relano, M., Rosales-Ortega, F. F., Sanchez, S. F., van de Ven, G., Vílchez, J. M., Walcher, C. J., Wild, V., Wisotzki, L., Ziegler, B.   +29 more
core   +4 more sources

Peculiar velocity decomposition, redshift space distortion, and velocity reconstruction in redshift surveys: The methodology [PDF]

, 2012
Massive spectroscopic surveys will measure the redshift space distortion (RSD) induced by galaxy peculiar velocity to unprecedented accuracy and open a new era of precision RSD cosmology.
Pengjie Zhang, Jun Pan, Yi Zheng
semanticscholar   +1 more source

A PUBLIC VOID CATALOG FROM THE SDSS DR7 GALAXY REDSHIFT SURVEYS BASED ON THE WATERSHED TRANSFORM [PDF]

, 2012
We produce the most comprehensive public void catalog to date using the Sloan Digital Sky Survey Data Release 7 main sample out to redshift z = 0.2 and the luminous red galaxy sample out to z = 0.44.
P. Sutter, G. Lavaux, B. Wandelt, D. Weinberg   +3 more
semanticscholar   +1 more source

Constraining inflation with future galaxy redshift surveys [PDF]

, 2012
With future galaxy surveys, a huge number of Fourier modes of the distribution of the large scale structures in the Universe will become available. These modes are complementary to those of the CMB and can be used to set constraints on models of the ...
Zhiqi Huang, L. Verde, F. Vernizzi
semanticscholar   +1 more source