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- Max Planck Institute for Extraterrestrial PhysicsDE96 papers
- Max Planck SocietyDE94 papers
- Kitt Peak National ObservatoryUS93 papers
- California Institute of TechnologyUS67 papers
- Centre National de la Recherche ScientifiqueFR43 papers
- University of ArizonaUS42 papers
- Center for Astrophysics Harvard & SmithsonianUS31 papers
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- The University of Texas at AustinUS26 papers
- European Southern ObservatoryCL24 papers
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5 papers · 2 filters
Photometric Redshifts and Model Spectral Energy Distributions of Galaxies From the SDSS-III BOSS DR10 Data
N. Greisel, S. Seitz, N. Drory +3
We construct a set of model spectra specifically designed to match the colours of the BOSS CMASS galaxies and to be used with photometric redshift template fitting techniques. As a…
CLASH-VLT: Substructure in the galaxy cluster MACS J1206.2-0847 from kinematics of galaxy populations
M. Girardi, A. Mercurio, I. Balestra +35
In the effort to understand the link between the structure of galaxy clusters and their galaxy populations, we focus on MACSJ1206.2-0847 at z~0.44 and probe its substructure in the…
Accurate photometric redshift probability density estimation - method comparison and application
Markus Michael Rau, Stella Seitz, Fabrice Brimioulle +4
We introduce an ordinal classification algorithm for photometric redshift estimation, which significantly improves the reconstruction of photometric redshift probability density fu…
Cosmic variance of the galaxy cluster weak lensing signal
D. Gruen, S. Seitz, M. R. Becker +2
Intrinsic variations of the projected density profiles of clusters of galaxies at fixed mass are a source of uncertainty for cluster weak lensing. We present a semi-analytical mode…
Data augmentation for machine learning redshifts applied to SDSS galaxies
Ben Hoyle, Markus Michael Rau, Christopher Bonnett +2
We present analyses of data augmentation for machine learning redshift estimation. Data augmentation makes a training sample more closely resemble a test sample, if the two base sa…