Search Results - "Hoyle, Ben"
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The SAGA Survey. I. Satellite Galaxy Populations around Eight Milky Way Analogs
Published in The Astrophysical journal (20-09-2017)“…We present the survey strategy and early results of the "Satellites Around Galactic Analogs" (SAGA) Survey. The SAGA Survey's goal is to measure the…”
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Cross-correlation of galaxies and galaxy clusters in the Sloan Digital Sky Survey and the importance of non-Poissonian shot noise
Published in Monthly notices of the Royal Astronomical Society (21-09-2017)“…Abstract We present measurements of angular cross power spectra between galaxies and optically-selected galaxy clusters in the final photometric sample of the…”
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The XMM Cluster Survey: optical analysis methodology and the first data release
Published in Monthly notices of the Royal Astronomical Society (01-06-2012)“…The XMM Cluster Survey (XCS) is a serendipitous search for galaxy clusters using all publicly available data in the XMM-Newton Science Archive. Its main aims…”
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Early assembly of the most massive galaxies
Published in Nature (02-04-2009)“…The current consensus is that galaxies begin as small density fluctuations in the early Universe and grow by in situ star formation and hierarchical merging…”
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The XMM Cluster Survey: the interplay between the brightest cluster galaxy and the intracluster medium via AGN feedback
Published in Monthly notices of the Royal Astronomical Society (01-05-2012)“…Using a sample of 123 X-ray clusters and groups drawn from the XMM Cluster Survey first data release, we investigate the interplay between the brightest…”
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Implications of multiple high-redshift galaxy clusters
Published in Physical review. D, Particles, fields, gravitation, and cosmology (04-05-2011)“…To date, 14 high-redshift (z>1.0) galaxy clusters with mass measurements have been observed, spectroscopically confirmed, and are reported in the literature…”
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The XMM Cluster Survey: X-ray analysis methodology
Published in Monthly notices of the Royal Astronomical Society (01-11-2011)“…The XMM Cluster Survey (XCS) is a serendipitous search for galaxy clusters using all publicly available data in the XMM-Newton Science Archive. Its main aims…”
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The many flavours of photometric redshifts
Published in Nature astronomy (01-03-2019)“…Since more than 70 years ago, the colours of galaxies derived from flux measurements at different wavelengths have been used to estimate their cosmological…”
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Self-consistent redshift estimation using correlation functions without a spectroscopic reference sample
Published in Monthly notices of the Royal Astronomical Society (21-05-2019)“…ABSTRACT We present a new method to estimate redshift distributions and galaxy-dark matter bias parameters using correlation functions in a fully data driven…”
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Learning from the machine: interpreting machine learning algorithms for point- and extended-source classification
Published in Monthly notices of the Royal Astronomical Society (11-12-2018)Get full text
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Self-consistent redshift estimation using correlation functions without a spectroscopic reference sample
Published in Monthly notices of the Royal Astronomical Society (27-02-2019)“…We present a new method to estimate redshift distributions and galaxy-dark matter bias parameters using correlation functions in a fully data driven and…”
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How course portfolios can advance the scholarship and practice of management teaching
Published in Journal of management education (01-02-2008)“…The authors believe the development, peer review, and sharing of course portfolios can significantly improve the scholarship and teaching of management. To…”
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Accurate photometric redshift probability density estimation – method comparison and application
Published in Monthly notices of the Royal Astronomical Society (01-10-2015)“…We introduce an ordinal classification algorithm for photometric redshift estimation, which significantly improves the reconstruction of photometric redshift…”
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Anomaly detection for machine learning redshifts applied to SDSS galaxies
Published in Monthly notices of the Royal Astronomical Society (01-10-2015)“…We present an analysis of anomaly detection for machine learning redshift estimation. Anomaly detection allows the removal of poor training examples, which can…”
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Correcting cosmological parameter biases for all redshift surveys induced by estimating and reweighting redshift distributions
Published in Monthly notices of the Royal Astronomical Society (21-04-2017)“…Abstract Photometric redshift uncertainties are a major source of systematic error for ongoing and future photometric surveys. We study different sources of…”
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Data augmentation for machine learning redshifts applied to Sloan Digital Sky Survey galaxies
Published in Monthly notices of the Royal Astronomical Society (11-06-2015)“…We present analyses of data augmentation for machine learning redshift estimation. Data augmentation makes a training sample more closely resemble a test…”
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Evaluation of proton and photon dose distributions recalculated on 2D and 3D Unet-generated pseudoCTs from T1-weighted MR head scans
Published in Acta oncologica (03-10-2019)“…The recent developments of magnetic resonance (MR) based adaptive strategies for photon and, potentially for proton therapy, require a fast and reliable…”
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Stacking for machine learning redshifts applied to SDSS galaxies
Published in Monthly notices of the Royal Astronomical Society (11-08-2016)“…We present an analysis of a general machine learning technique called ‘stacking’ for the estimation of photometric redshifts. Stacking techniques can feed the…”
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Galaxy Zoo: bars in disc galaxies
Published in Monthly notices of the Royal Astronomical Society (01-03-2011)“…We present first results from Galaxy Zoo 2, the second phase of the highly successful Galaxy Zoo project (http://www.galaxyzoo.org). Using a volume-limited…”
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Feature importance for machine learning redshifts applied to SDSS galaxies
Published in Monthly notices of the Royal Astronomical Society (01-05-2015)“…We present an analysis of importance feature selection applied to photometric redshift estimation using the machine learning architecture Decision Trees with…”
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