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SPT-GMOS: A Gemini/GMOS-South Spectroscopic Survey of Galaxy Clusters in the SPT-SZ Survey
M. B. Bayliss, J. Ruel, C. W. Stubbs +75
We present the results of SPT-GMOS, a spectroscopic survey with the Gemini Multi-Object Spectrograph (GMOS) on Gemini South. The targets of SPT-GMOS are galaxy clusters identified…
Testing the lognormality of the galaxy and weak lensing convergence distributions from Dark Energy Survey maps
L. Clerkin, D. Kirk, M. Manera +57
It is well known that the probability distribution function (PDF) of galaxy density contrast is approximately lognormal; whether the PDF of mass fluctuations derived from weak lens…
Cosmological Constraints from Galaxy Clusters in the 2500 square-degree SPT-SZ Survey
T. de Haan, B. A. Benson, L. E. Bleem +74
(abridged) We present cosmological constraints obtained from galaxy clusters identified by their Sunyaev-Zel'dovich effect signature in the 2500 square degree South Pole Telescope…
Cosmology constraints from shear peak statistics in Dark Energy Survey Science Verification data
T. Kacprzak, D. Kirk, O. Friedrich +81
Shear peak statistics has gained a lot of attention recently as a practical alternative to the two point statistics for constraining cosmological parameters. We perform a shear pea…
Galaxy bias from the Dark Energy Survey Science Verification data: combining galaxy density maps and weak lensing maps
C. Chang, A. Pujol, E. Gaztanaga +80
We measure the redshift evolution of galaxy bias for a magnitude-limited galaxy sample by combining the galaxy density maps and weak lensing shear maps for a 116 deg ar…