'Galaxy bias' diaporamas de présentation

9,000,000,000 Years of Gravity at Work in the Cosmic Factory

479 views • 37 slides

Zheng Zheng Dept. of Astronomy, Ohio State University

Constraining Galaxy Bias and Cosmology. Using Galaxy Clustering Data. Zheng Zheng Dept. of Astronomy, Ohio State University. Collaborators:. David Weinberg (Advisor, Ohio State) Andreas Berlind (NYU) Josh Frieman (Chicago) Jeremy Tinker (Ohio State) Idit Zehavi (Arizona) SDSS et al.

536 views • 35 slides

Peculiar velocity: a window to the dark universe

Peculiar velocity: a window to the dark universe. ??? ?Zhang, Pengjie) ?????????? Shanghai Astronomical Observatory Chinese Academy of Science. Based on ZPJ, Michele Liguori, Rachel Bean & Scott Dodelson, 2007, PRL ZPJ & Xuelei Chen, 2008, PRD Bhuvnesh Jain & ZPJ, 2008, PRD

529 views • 31 slides

317 views • 31 slides

Topology of Luminous Red Galaxy in the SDSS

Topology of Luminous Red Galaxy in the SDSS. Yun-Young Choi, Changbom Park, & Juhan Kim KIAS. Introduction to SDSS LRGs. Eisenstein et al. 2001. SDSS uses color to target luminous, early-type galaxies at 0.2< z <0.5. Fainter than MAIN ( r <19.5) About 15/sq deg

290 views • 15 slides

Topology of Luminous Red Galaxy in the SDSS

Topology of Luminous Red Galaxy in the SDSS. Yun-Young Choi, Changbom Park, & Juhan Kim KIAS. Introduction to SDSS LRGs. Eisenstein et al. 2001. SDSS uses color to target luminous, early-type galaxies at 0.2< z <0.5. Fainter than MAIN ( r <19.5) About 15/sq deg

150 views • 15 slides