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20012026
most citedThe Astropy Project: Sustaining and Growing a Community-oriented Open-source Project and the Latest Major Release (v5.0) of the Core Package

5k citations · 36.6k across the 347 of their papers we have counts for

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Showing 2015Show all

38 papers · 1 filter

astro-ph.CO2015★ 58 cited

Cross-correlation of gravitational lensing from DES Science Verification data with SPT and Planck lensing

D. Kirk, Y. Omori, A. Benoit-Lévy +89

We measure the cross-correlation between weak lensing of galaxy images and of the cosmic microwave background (CMB). The effects of gravitational lensing on different sources will…

astro-ph.CO2015★ 272 cited

The XXL Survey: I. Scientific motivations - XMM-Newton observing plan - Follow-up observations and simulation programme

M. Pierre, F. Pacaud, C. Adami +89

We present the XXL Survey, the largest XMM programme totaling some 6.9 Ms to date and involving an international consortium of roughly 100 members. The XXL Survey covers two extrag…

astro-ph.CO2015★ 31 cited

Observation and Confirmation of Six Strong Lensing Systems in The Dark Energy Survey Science Verification Data

B. Nord, E. Buckley-Geer, H. Lin +89

We report the observation and confirmation of the first group- and cluster-scale strong gravitational lensing systems found in Dark Energy Survey (DES) data. Through visual inspect…

astro-ph.IM2015★ 15 cited

Crowdsourcing quality control for Dark Energy Survey images

P. Melchior, E. Sheldon, A. Drlica-Wagner +47

We have developed a crowdsourcing web application for image quality control employed by the Dark Energy Survey. Dubbed the "DES exposure checker", it renders science-grade images d…

astro-ph.IM2015★ 24 cited

Assessing Galaxy Limiting Magnitudes in Large Optical Surveys

E. S. Rykoff, E. Rozo, R. Keisler

Large scale structure measurements require accurate and precise knowledge of the survey depth --- typically expressed in the form of a limiting magnitude --- as a function of posit…

astro-ph.CO2015★ 4 cited

Photometric redshifts and clustering of emission line galaxies selected jointly by DES and eBOSS

S. Jouvel, T. Delubac, J. Comparat +65

We present the results of the first test plates of the extended Baryon Oscillation Spectroscopic Survey. This paper focuses on the emission line galaxies (ELG) population targetted…

astro-ph.CO2015★ 51 cited

SDSS-IV eBOSS emission-line galaxy pilot survey

J. Comparat, T. Delubac, S. Jouvel +83

The Sloan Digital Sky Survey IV extended Baryonic Oscillation Spectroscopic Survey (SDSS-IV/eBOSS) will observe 195,000 emission-line galaxies (ELGs) to measure the Baryonic Acoust…

astro-ph.GA2015★ 534 cited

Eight Ultra-faint Galaxy Candidates Discovered in Year Two of the Dark Energy Survey

The DES Collaboration, A. Drlica-Wagner, K. Bechtol +74

We report the discovery of eight new ultra-faint dwarf galaxy candidates in the second year of optical imaging data from the Dark Energy Survey (DES). Six of these candidates are d…

astro-ph.CO2015★ 8 cited

On the Impact of Cepheid Outliers on the Distance Ladder

M. R. Becker, H. Desmond, E. Rozo +2

Recent work by Efstathiou (2014) highlighted the importance of outliers in the period-luminosity (PL) relation of Cepheid data on the distance ladder. We present a statistical fram…

astro-ph.CO2015★ 151 cited

Redshift distributions of galaxies in the DES Science Verification shear catalogue and implications for weak lensing

C. Bonnett, M. A. Troxel, W. Hartley +104

We present photometric redshift estimates for galaxies used in the weak lensing analysis of the Dark Energy Survey Science Verification (DES SV) data. Four model- or machine learni…

astro-ph.CO2015★ 65 cited

Mapping and simulating systematics due to spatially-varying observing conditions in DES Science Verification data

B. Leistedt, H. V. Peiris, F. Elsner +92

Spatially-varying depth and characteristics of observing conditions, such as seeing, airmass, or sky background, are major sources of systematic uncertainties in modern galaxy surv…

astro-ph.IM2015★ 208 cited

redMaGiC: Selecting Luminous Red Galaxies from the DES Science Verification Data

E. Rozo, E. S. Rykoff, A. Abate +84

We introduce redMaGiC, an automated algorithm for selecting Luminous Red Galaxies (LRGs). The algorithm was specifically developed to minimize photometric redshift uncertainties in…

astro-ph.GA2015★ 97 cited

No galaxy left behind: accurate measurements with the faintest objects in the Dark Energy Survey

E. Suchyta, E. M. Huff, J. Aleksić +72

Accurate statistical measurement with large imaging surveys has traditionally required throwing away a sizable fraction of the data. This is because most measurements have have rel…

astro-ph.IM2015★ 189 cited

The DES Science Verification Weak Lensing Shear Catalogues

M. Jarvis, E. Sheldon, J. Zuntz +92

We present weak lensing shear catalogues for 139 square degrees of data taken during the Science Verification (SV) time for the new Dark Energy Camera (DECam) being used for the Da…

astro-ph.CO2015★ 105 cited

Cosmic Shear Measurements with DES Science Verification Data

M. R. Becker, M. A. Troxel, N. MacCrann +102

We present measurements of weak gravitational lensing cosmic shear two-point statistics using Dark Energy Survey Science Verification data. We demonstrate that our results are robu…

astro-ph.CO2015★ 178 cited

Cosmology from Cosmic Shear with DES Science Verification Data

The Dark Energy Survey Collaboration, T. Abbott, F. B. Abdalla +126

We present the first constraints on cosmology from the Dark Energy Survey (DES), using weak lensing measurements from the preliminary Science Verification (SV) data. We use 139 squ…

astro-ph.CO2015★ 119 cited

CMB lensing tomography with the DES Science Verification galaxies

T. Giannantonio, P. Fosalba, R. Cawthon +101

We measure the cross-correlation between the galaxy density in the Dark Energy Survey (DES) Science Verification data and the lensing of the cosmic microwave background (CMB) as re…

astro-ph.CO2015★ 93 cited

Galaxy clustering, photometric redshifts and diagnosis of systematics in the DES Science Verification data

M. Crocce, J. Carretero, A. H. Bauer +84

We study the clustering of galaxies detected at in the Science Verification observations of the Dark Energy Survey (DES). Two-point correlation functions are measured usin…

astro-ph.CO2015★ 20 cited

Joint Analysis of Galaxy-Galaxy Lensing and Galaxy Clustering: Methodology and Forecasts for DES

Y. Park, E. Krause, S. Dodelson +68

The joint analysis of galaxy-galaxy lensing and galaxy clustering is a promising method for inferring the growth function of large scale structure. This analysis will be carried ou…

astro-ph.CO2015★ 3 cited

Weak lensing by galaxy troughs in DES Science Verification data

D. Gruen, O. Friedrich, A. Amara +89

We measure the weak lensing shear around galaxy troughs, i.e. the radial alignment of background galaxies relative to underdensities in projections of the foreground galaxy field o…

astro-ph.CO2015★ 39 cited

Measuring subhalo mass in redMaPPer clusters with CFHT Stripe 82 Survey

Ran Li, Huanyuan Shan, Jean-Paul Kneib +10

We use the shear catalog from the CFHT Stripe-82 Survey to measure the subhalo masses of satellite galaxies in redMaPPer clusters. Assuming a Chabrier Initial Mass Function (IMF) a…

astro-ph.CO2015★ 131 cited

Constraints on the Richness-Mass Relation and the Optical-SZE Positional Offset Distribution for SZE-Selected Clusters

A. Saro, S. Bocquet, E. Rozo +99

We cross-match galaxy cluster candidates selected via their Sunyaev-Zel'dovich effect (SZE) signatures in 129.1 deg of the South Pole Telescope 2500d SPT-SZ survey with optical…

astro-ph.CO2015★ 122 cited

Evidence of Halo Assembly Bias in Massive Clusters

Hironao Miyatake, Surhud More, Masahiro Takada +4

We present significant evidence of halo assembly bias for SDSS redMaPPer galaxy clusters in the redshift range . By dividing the 8,648 clusters into two subsamples bas…

astro-ph.CO2015★ 47 cited

Wide-Field Lensing Mass Maps from DES Science Verification Data

C. Chang, V. Vikram, B. Jain +81

We present a mass map reconstructed from weak gravitational lensing shear measurements over 139 sq. deg from the Dark Energy Survey (DES) Science Verification data. The mass map pr…