Search Results - "Simet, Melanie"
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1
On the level of cluster assembly bias in SDSS
Published in Monthly notices of the Royal Astronomical Society (01-09-2017)“…Abstract Recently, several studies have discovered a strong discrepancy between the large-scale clustering biases of two subsamples of galaxy clusters at the…”
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2
Weak lensing measurement of the mass–richness relation of SDSS redMaPPer clusters
Published in Monthly notices of the Royal Astronomical Society (21-04-2017)“…Abstract We perform a measurement of the mass–richness relation of the redMaPPer galaxy cluster catalogue using weak lensing data from the Sloan Digital Sky…”
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3
Background sky obscuration by cluster galaxies as a source of systematic error for weak lensing
Published in Monthly notices of the Royal Astronomical Society (11-05-2015)“…Lensing magnification and stacked shear measurements of galaxy clusters rely on measuring the density of background galaxies behind the clusters. The most…”
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4
First data release of the Hyper Suprime-Cam Subaru Strategic Program
Published in Publications of the Astronomical Society of Japan (01-01-2018)“…Abstract The Hyper Suprime-Cam Subaru Strategic Program (HSC-SSP) is a three-layered imaging survey aimed at addressing some of the most important outstanding…”
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The first-year shear catalog of the Subaru Hyper Suprime-Cam Subaru Strategic Program Survey
Published in Publications of the Astronomical Society of Japan (01-01-2018)“…Abstract We present and characterize the catalog of galaxy shape measurements that will be used for cosmological weak lensing measurements in the Wide layer of…”
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A unified analysis of four cosmic shear surveys
Published in Monthly notices of the Royal Astronomical Society (21-01-2019)Get full text
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GREAT3 results – I. Systematic errors in shear estimation and the impact of real galaxy morphology
Published in Monthly notices of the Royal Astronomical Society (01-07-2015)“…We present first results from the third GRavitational lEnsing Accuracy Testing (GREAT3) challenge, the third in a sequence of challenges for testing methods of…”
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Source selection for cluster weak lensing measurements in the Hyper Suprime-Cam survey
Published in Publications of the Astronomical Society of Japan (01-03-2018)“…Abstract We present optimized source galaxy selection schemes for measuring cluster weak lensing (WL) mass profiles unaffected by cluster member dilution from…”
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Galaxy–Galaxy lensing in HSC: Validation tests and the impact of heterogeneous spectroscopic training sets
Published in Monthly notices of the Royal Astronomical Society (01-12-2019)“…ABSTRACT Although photometric redshifts (photo-z’s) are crucial ingredients for current and upcoming large-scale surveys, the high-quality spectroscopic…”
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Erratum: Weak Lensing Measurement of the Mass–Richness Relation of SDSS redMaPPer Clusters
Published in Monthly notices of the Royal Astronomical Society (11-11-2018)Get full text
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A 62 Day X-Ray Periodicity and an X-Ray Flare from the Ultraluminous X-Ray Source in M82
Published in The Astrophysical journal (20-07-2006)“…In 240 days of X-ray monitoring of M82, we have discovered an X-ray periodicity at 62.0 c 2.5 days with a peak-to-peak amplitude corresponding to an isotropic…”
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Validating Synthetic Galaxy Catalogs for Dark Energy Science in the LSST Era
Published in The open journal of astrophysics (2022)“…Large simulation efforts are required to provide synthetic galaxy catalogs for ongoing and upcoming cosmology surveys. These extragalactic catalogs are being…”
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13
The Orbital Period of the Ultraluminous X-ray Source in M82
Published in Science (American Association for the Advancement of Science) (27-01-2006)“…The ultraluminous x-ray source (ULX) in the galaxy M82 has been identified as a possible intermediate-mass black hole formed in stellar collisions in the super…”
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14
Weak lensing shear calibration with simulations of the HSC survey
Published in Monthly notices of the Royal Astronomical Society (11-12-2018)Get full text
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15
Comparison of Observed Galaxy Properties with Semianalytic Model Predictions Using Machine Learning
Published in The Astrophysical journal (01-02-2021)“…Abstract With current and upcoming experiments such as the Wide Field Infrared Survey Telescope, Euclid, and Large Synoptic Survey Telescope, we can observe up…”
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Cosmological constraints from cosmic shear two-point correlation functions with HSC survey first-year data
Published in Publications of the Astronomical Society of Japan (01-02-2020)“…Abstract We present measurements of cosmic shear two-point correlation functions (TPCFs) from Hyper Suprime-Cam Subaru Strategic Program (HSC) first-year data,…”
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Cosmology from cosmic shear power spectra with Subaru Hyper Suprime-Cam first-year data
Published in Publications of the Astronomical Society of Japan (01-04-2019)“…Abstract We measure cosmic weak lensing shear power spectra with the Subaru Hyper Suprime-Cam (HSC) survey first-year shear catalog covering 137 deg2 of the…”
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THE SLOAN DIGITAL SKY SURVEY CO-ADD: A GALAXY PHOTOMETRIC REDSHIFT CATALOG
Published in The Astrophysical journal (01-03-2012)Get full text
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Weak lensing calibration of mass bias in the REFLEX+BCS X-ray galaxy cluster catalogue
Published in Monthly notices of the Royal Astronomical Society (21-04-2017)“…Abstract The use of large, X-ray-selected Galaxy cluster catalogues for cosmological analyses requires a thorough understanding of the X-ray mass estimates…”
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The Hyper Suprime-Cam SSP Survey: Overview and survey design
Published in Publications of the Astronomical Society of Japan (01-01-2018)“…Abstract Hyper Suprime-Cam (HSC) is a wide-field imaging camera on the prime focus of the 8.2-m Subaru telescope on the summit of Mauna Kea in Hawaii. A team…”
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