2 code implementations • 18 Mar 2013 • Eyal A. Kazin, Ariel G. Sanchez, Antonio J. Cuesta, Florian Beutler, Chia-Hsun Chuang, Daniel J. Eisenstein, Marc Manera, Nikhil Padmanabhan, Will J. Percival, Francisco Prada, Ashley J. Ross, Hee-Jong Seo, Jeremy Tinker, Rita Tojeiro, Xiaoying Xu, J. Brinkmann, Brownstein Joel, Robert C. Nichol, David J. Schlegel, Donald P. Schneider, Daniel Thomas
The baryonic acoustic feature is used to obtain model independent constraints cz/H/r_s = 12. 28 +- 0. 82 (6. 7 per-cent accuracy) and D_A/r_s = 9. 05 +- 0. 27 (3. 0 per-cent) with a correlation coefficient of -0. 5, where r_s is the sound horizon scale at the end of the baryonic drag era.
Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology
1 code implementation • 29 Oct 2005 • Hugh C. Harris, Jeffrey A. Munn, Mukremin Kilic, James Liebert, Kurtis A. Williams, Ted von Hippel, Stephen E. Levine, David G. Monet, Daniel J. Eisenstein, S. J. Kleinman, T. S. Metcalfe, Atsuko Nitta, D. E. Winget, J. Brinkmann, Masataka Fukugita, G. R. Knapp, Robert H. Lupton, J. Allyn Smith, Donald P. Schneider
A sample of white dwarfs is selected from SDSS DR3 imaging data using their reduced proper motions, based on improved proper motions from SDSS plus USNO-B combined data.