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15 papers · 2 filters
The XXL Survey: XXIII. The Mass Scale of XXL Clusters from Ensemble Spectroscopy
A. Farahi, V. Guglielmo, A. E. Evrard +34
An X-ray survey with the XMM-Newton telescope, XMM-XXL, has identified hundreds of galaxy groups and clusters in two 25 deg fields. Combining spectroscopic and X-ray observatio…
Extracting cosmological information from the angular power spectrum of the 2MASS Photometric Redshift catalogue
A. Balaguera-Antolínez, M. Bilicki, E. Branchini +1
Using the almost all-sky 2MASS Photometric Redshift catalogue (2MPZ) we perform for the first time a tomographic analysis of galaxy angular clustering in the local Universe ($z<0.2…
Euclid: Superluminous supernovae in the Deep Survey
C. Inserra, R. C. Nichol, D. Scovacricchi +31
In the last decade, astronomers have found a new type of supernova called `superluminous supernovae' (SLSNe) due to their high peak luminosity and long light-curves. These hydrogen…
The Universe is Reionizing at z~7: Bayesian Inference of the IGM Neutral Fraction Using Ly Emission from Galaxies
Charlotte A. Mason, Tommaso Treu, Mark Dijkstra +5
We present a new flexible Bayesian framework for directly inferring the fraction of neutral hydrogen in the intergalactic medium (IGM) during the Epoch of Reionization (EoR, z~6-10…
Calibration of colour gradient bias in shear measurement using HST/CANDELS data
Xinzhong Er, Henk Hoekstra, Tim Schrabback +6
Accurate shape measurements are essential to infer cosmological parameters from large area weak gravitational lensing studies. The compact diffraction-limited point-spread function…
The VIMOS Public Extragalactic Redshift Survey (VIPERS): An unbiased estimate of the growth rate of structure at using the clustering of luminous blue galaxies
F. G. Mohammad, B. R. Granett, L. Guzzo +34
We use the VIPERS final data release to investigate the performance of colour-selected populations of galaxies as tracers of linear large-scale motions. We empirically select volum…