'Ray clusters' presentation slideshows

Xiaohu Yang

??????. Galaxy clusters and cosmology: observations. Xiaohu Yang. Shanghai Astronomical Observatory. Beijing, 16/10/2012. Constrain cosmological parameters using observations. 4% Atoms, 23% Cold Dark Matter, 73% Dark energy. ?????. Concordance LCDM model. Dark matter. Galaxy.

368 views • 19 slides

Modern cosmology 2: More about ?

Distances at z ~1 Type Ia supernovae SNe Ia and cosmology Results from the Supernova Cosmology Project, the High z Supernova Search, and the HST Conclusions. More astrophysical evidence for accelerating expansion Is ? constant? Cosmological consequences Outstanding problems.

190 views • 11 slides

X-ray properties of distant SHARC clusters and cosmological implications

XMM ? -Project. X-ray properties of distant SHARC clusters and cosmological implications. Collaborators : D.H. Lumb, J.G. Bartlett (PI) , A.K. Romer, A. Blanchard , D.J. Burke, C.A. Collins, R.C. Nichol, M. Giard, P. Marty, J. Nevalainen, R. Sadat , and S.C. Vauclair (me!) .

252 views • 11 slides

Supercluster SCL 126

266 views • 6 slides