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KiDS-450: Cosmological Constraints from Weak Lensing Peak Statistics-I: Inference from Analytical Prediction of High Signal-to-Noise Ratio Convergence Peaks
HuanYuan Shan, Xiangkun Liu, Hendrik Hildebrandt +19
This paper is the first of a series of papers constraining cosmological parameters with weak lensing peak statistics using of imaging data from the Kilo Degree…
KiDS-450: Cosmological Constraints from Weak Lensing Peak Statistics - II: Inference from Shear Peaks using N-body Simulations
Nicolas Martinet, Peter Schneider, Hendrik Hildebrandt +12
We study the statistics of peaks in a weak lensing reconstructed mass map of the first 450 square degrees of the Kilo Degree Survey. The map is computed with aperture masses direct…
Weak-lensing calibration of a stellar mass-based mass proxy for redMaPPer and Voronoi Tessellation clusters in SDSS Stripe 82
Maria E. S. Pereira, Marcelle Soares-Santos, Martin Makler +9
We present the first weak lensing calibration of , a new galaxy cluster mass proxy corresponding to the total stellar mass of red and blue members, in two cluster sample…
Morpho-z: improving photometric redshifts with galaxy morphology
John Y. H. Soo, Bruno Moraes, Benjamin Joachimi +10
We conduct a comprehensive study of the effects of incorporating galaxy morphology information in photometric redshift estimation. Using machine learning methods, we assess the cha…
Stellar-to-halo mass relation of cluster galaxies
Anna Niemiec, Eric Jullo, Marceau Limousin +12
In the hierarchical formation model, galaxy clusters grow by accretion of smaller groups or isolated galaxies. During the infall into the centre of a cluster, the properties of acc…
The abundance of compact quiescent galaxies since z ~ 0.6
Aldée Charbonnier, Marc Huertas-Company, Thiago S. Gonçalves +12
We set out to quantify the number density of quiescent massive compact galaxies at intermediate redshifts. We determine structural parameters based on i-band imaging using the CFHT…