Search Results - "Dietrich, Jörg P."
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KiDS-450: enhancing cosmic shear with clipping transformations
Published in Monthly notices of the Royal Astronomical Society (11-11-2018)Get full text
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Orientation bias of optically selected galaxy clusters and its impact on stacked weak-lensing analyses
Published in Monthly notices of the Royal Astronomical Society (11-09-2014)“…Weak-lensing measurements of the averaged shear profiles of galaxy clusters binned by some proxy for cluster mass are commonly converted to cluster mass…”
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KiDS-450: cosmological constraints from weak-lensing peak statistics – II: Inference from shear peaks using N-body simulations
Published in Monthly notices of the Royal Astronomical Society (11-02-2018)“…Abstract We study the statistics of peaks in a weak-lensing reconstructed mass map of the first 450 deg2 of the Kilo Degree Survey (KiDS-450). The map is…”
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X-Ray Properties of SPT-selected Galaxy Clusters at 0.2 < z < 1.5 Observed with XMM-Newton
Published in The Astrophysical journal (20-01-2019)“…We present measurements of the X-ray observables of the intracluster medium (ICM), including luminosity LX, ICM mass MICM, emission-weighted mean temperature…”
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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
Published in Monthly notices of the Royal Astronomical Society (11-02-2018)“…Abstract This paper is the first of a series of papers constraining cosmological parameters with weak lensing peak statistics using ∼ 450 deg2 of imaging data…”
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A filament of dark matter between two clusters of galaxies
Published in Nature (London) (12-07-2012)“…A dark-matter filament connecting the galaxy clusters Abell 222 and Abell 223 has been detected from its weak gravitational lensing signal. Shedding light on…”
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Density mapping with weak lensing and phase information
Published in Monthly notices of the Royal Astronomical Society (21-05-2014)“…The available probes of the large-scale structure in the Universe have distinct properties: galaxies are a high resolution but biased tracer of mass, while…”
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The Astropy Project: Sustaining and Growing a Community-oriented Open-source Project and the Latest Major Release (v5.0) of the Core Package
Published in The Astrophysical journal (01-08-2022)“…Abstract The Astropy Project supports and fosters the development of open-source and openly developed Python packages that provide commonly needed…”
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Cosmology and fundamental physics with the Euclid satellite
Published in Living reviews in relativity (2018)“…Euclid is a European Space Agency medium-class mission selected for launch in 2020 within the cosmic vision 2015–2025 program. The main goal of Euclid is to…”
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STUDYING INTERCLUSTER GALAXY FILAMENTS THROUGH STACKING gmBCG GALAXY CLUSTER PAIRS
Published in The Astrophysical journal (20-08-2013)“…We present a method to study the photometric properties of galaxies in filaments by stacking the galaxy populations between pairs of galaxy clusters. Using…”
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Exploring the contamination of the DES-Y1 cluster sample with SPT-SZ selected clusters
Published in Monthly notices of the Royal Astronomical Society (01-06-2021)“…ABSTRACT We perform a cross validation of the cluster catalogue selected by the red-sequence Matched-filter Probabilistic Percolation algorithm (redMaPPer) in…”
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Probing gravity with the DES-CMASS sample and BOSS spectroscopy
Published in Monthly notices of the Royal Astronomical Society (01-02-2022)“…ABSTRACT The DES-CMASS sample (DMASS) is designed to optimally combine the weak lensing measurements from the Dark Energy Survey (DES) and redshift-space…”
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Galaxy–galaxy lensing with the DES-CMASS catalogue: measurement and constraints on the galaxy-matter cross-correlation
Published in Monthly notices of the Royal Astronomical Society (01-01-2022)“…ABSTRACT The DMASS sample is a photometric sample from the DES Year 1 data set designed to replicate the properties of the CMASS sample from BOSS, in support…”
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Lensing without borders – I. A blind comparison of the amplitude of galaxy–galaxy lensing between independent imaging surveys
Published in Monthly notices of the Royal Astronomical Society (14-12-2021)“…ABSTRACT Lensing without borders is a cross-survey collaboration created to assess the consistency of galaxy–galaxy lensing signals (ΔΣ) across different data…”
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Author Correction: SciPy 1.0: fundamental algorithms for scientific computing in Python
Published in Nature methods (01-03-2020)“…An amendment to this paper has been published and can be accessed via a link at the top of the paper…”
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VDES J2325-5229 a z = 2.7 gravitationally lensed quasar discovered using morphology-independent supervised machine learning
Published in Monthly notices of the Royal Astronomical Society (17-11-2016)“…We present the discovery and preliminary characterization of a gravitationally lensed quasar with a source redshift zs = 2.74 and image separation of 2.9…”
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Efficient Utility Function Learning for Multi-Objective Parameter Optimization with Prior Knowledge
Published 22-08-2022“…The current state-of-the-art in multi-objective optimization assumes either a given utility function, learns a utility function interactively or tries to…”
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VDES J2325−5229 a z = 2.7 gravitationally lensed quasar discovered using morphology-independent supervised machine learning
Published in Monthly notices of the Royal Astronomical Society (11-03-2017)“…We present the discovery and preliminary characterization of a gravitationally lensed quasar with a source redshift z^sub s^ = 2.74 and image separation of 2.9…”
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The Third Gravitational Lensing Accuracy Testing (GREAT3) Challenge Handbook
Published 30-12-2022“…2014 ApJS, 212, 5 The GRavitational lEnsing Accuracy Testing 3 (GREAT3) challenge is the third in a series of image analysis challenges, with a goal of testing…”
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The Astropy Project: Sustaining and Growing a Community-oriented Open-source Project and the Latest Major Release (v5.0) of the Core Package
Published 28-06-2022“…The Astropy Project supports and fosters the development of open-source and openly-developed Python packages that provide commonly needed functionality to the…”
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