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   Articles with "energy survey" as a keyword



Dark Energy Survey Year 3 results: Curved-sky weak lensing mass map reconstruction

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recommendations! Published in 2021 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stab1495

Abstract: We present reconstructed convergence maps, mass maps, from the Dark Energy Survey (DES) third year (Y3) weak gravitational lensing data set. The mass maps are weighted projections of the density field (primarily dark matter) in… read more here.

Keywords: reconstruction; energy survey; map; weak lensing ... See more keywords

Synthetic galaxy clusters and observations based on Dark Energy Survey Year 3 Data

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recommendations! Published in 2021 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stab3269

Abstract: We develop a novel data-driven method for generating synthetic optical observations of galaxy clusters. In cluster weak lensing, the interplay between analysis choices and systematic effects related to source galaxy selection, shape measurement and photometric… read more here.

Keywords: survey year; galaxy; energy survey; dark energy ... See more keywords

Linear systematics mitigation in galaxy clustering in the Dark Energy Survey Year 1 Data

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recommendations! Published in 2021 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stab717

Abstract: We implement a linear model for mitigating the effect of observing conditions and other sources of contamination in galaxy clustering analyses. Our treatment improves upon the fiducial systematics treatment of the Dark Energy Survey (DES)… read more here.

Keywords: cosmology; energy survey; systematics; dark energy ... See more keywords

The Dark Energy Survey 5-yr photometrically classified type Ia supernovae without host-galaxy redshifts

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recommendations! Published in 2024 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stae1953

Abstract: Current and future Type Ia Supernova (SN Ia) surveys will need to adopt new approaches to classifying SNe and obtaining their redshifts without spectra if they wish to reach their full potential. We present here… read more here.

Keywords: host galaxy; dark energy; host; energy survey ... See more keywords

Machine learning analysis of Photometric data from the Dark Energy Survey

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recommendations! Published in 2025 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/staf1341

Abstract: In order to retrieve cosmological parameters from photometric surveys, we need to estimate the distribution of the photometric redshift in the sky with excellent accuracy. We use and apply three different machine learning methods to… read more here.

Keywords: distribution; survey; photometric redshifts; dark energy ... See more keywords

Year six photometric measurements of known Trans-Neptunian Objects and Centaurs by the Dark Energy Survey

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recommendations! Published in 2025 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/staf650

Abstract: We identified known Trans-Neptunian Objects (TNOs) and Centaurs in the complete Dark Energy Survey (DES) year six catalog (DES Y6) through the Sky Body Tracker (SkyBoT) tool. We classified our dataset of 144 objects into… read more here.

Keywords: dark energy; year six; trans neptunian; known trans ... See more keywords

Cosmic voids and void lensing in the Dark Energy Survey Science Verification data

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recommendations! Published in 2017 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stw2745

Abstract: Galaxies and their dark matter halos populate a complicated filamentary network around large, nearly empty regions known as cosmic voids. Cosmic voids are usually identified in spectroscopic galaxy surveys, where 3D information about the large-scale… read more here.

Keywords: energy survey; cosmic voids; science verification; void lensing ... See more keywords

UV-luminous, star-forming hosts of z ∼ 2 reddened quasars in the dark energy survey

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recommendations! Published in 2018 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stx3332

Abstract: We present the first rest-frame UV population study of 17 heavily reddened, high-luminosity [E(B − V)QSO ≳ 0.5; Lbol > 1046 erg s−1] broad-line quasars at 1.5 < z < 2.7. We combine the first year of… read more here.

Keywords: reddened quasars; energy survey; survey; dark energy ... See more keywords

Dark Energy Survey Year 1 results: measurement of the baryon acoustic oscillation scale in the distribution of galaxies to redshift 1

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recommendations! Published in 2018 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/sty3351

Abstract: We present angular diameter distance measurements obtained by locating the baryon acoustic oscillations (BAO) scale in the distribution of galaxies selected from the first year of Dark Energy Survey data. We consider a sample of… read more here.

Keywords: baryon acoustic; energy survey; dark energy; distribution galaxies ... See more keywords

C iv black hole mass measurements with the Australian Dark Energy Survey (OzDES)

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recommendations! Published in 2019 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stz1539

Abstract: Black hole mass measurements outside the local Universe are critically important to derive the growth of supermassive black holes over cosmic time, and to study the interplay between black hole growth and galaxy evolution. In… read more here.

Keywords: energy survey; black hole; mass; dark energy ... See more keywords

Spectroscopic confirmation and modelling of two lensed quadruple quasars in the Dark Energy Survey public footprint

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recommendations! Published in 2019 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stz781

Abstract: Quadruply lensed quasars are extremely rare objects, but incredibly powerful cosmological tools. Only few dozen are known in the whole sky. Here we present the spectroscopic confirmation of two new quadruplets WG0214-2105 and WG2100-4452 discovered… read more here.

Keywords: survey public; dark energy; energy survey; spectroscopic confirmation ... See more keywords