Search Results - "SWANSON, M. E"
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Methods for rapidly processing angular masks of next-generation galaxy surveys
Published in Monthly notices of the Royal Astronomical Society (11-07-2008)“…As galaxy surveys become larger and more complex, keeping track of the completeness, magnitude limit and other survey parameters as a function of direction on…”
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Three new VHS–DES quasars at 6.7 < z < 6.9 and emission line properties at z > 6.5
Published in Monthly notices of the Royal Astronomical Society (01-08-2019)“…We report the results from a search for z > 6.5 quasars using the Dark Energy Survey (DES) Year 3 data set combined with the VISTA Hemisphere Survey (VHS) and…”
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Dark Energy Survey Year 1 results: the effect of intracluster light on photometric redshifts for weak gravitational lensing
Published in Monthly notices of the Royal Astronomical Society (21-09-2019)“…Abstract We study the effect of diffuse intracluster light on the critical surface mass density estimated from photometric redshifts of lensing source…”
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UAS LIDAR MAPPING OF AN ARCTIC TUNDRA WATERSHED: CHALLENGES AND OPPORTUNITIES
Published in International archives of the photogrammetry, remote sensing and spatial information sciences. (2020)“…Uncrewed aircraft systems (UAS) are increasingly used across disciplines in academic research. We deployed a heavy-lift UAS (<25 kg) for research in the Arctic…”
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Star-galaxy classification in the Dark Energy Survey Y1 dataset
Published in Monthly notices of the Royal Astronomical Society (21-09-2018)“…We perform a comparison of different approaches to star-galaxy classification using the broad-band photometric data from Year 1 of the Dark Energy Survey…”
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The DES Science Verification weak lensing shear catalogues
Published in Monthly notices of the Royal Astronomical Society (01-08-2016)“…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)…”
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Dark Energy Survey year 3 results: point spread function modelling
Published in Monthly notices of the Royal Astronomical Society (01-02-2021)“…ABSTRACT We introduce a new software package for modelling the point spread function (PSF) of astronomical images, called piff (PSFs In the Full FOV), which we…”
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Dark Energy Survey Year 1 results: cross-correlation redshifts – methods and systematics characterization
Published in Monthly notices of the Royal Astronomical Society (21-06-2018)“…Abstract We use numerical simulations to characterize the performance of a clustering-based method to calibrate photometric redshift biases. In particular, we…”
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CMB lensing tomography with the DES Science Verification galaxies
Published in Monthly notices of the Royal Astronomical Society (01-03-2016)“…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…”
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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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Testing the lognormality of the galaxy and weak lensing convergence distributions from Dark Energy Survey maps
Published in Monthly notices of the Royal Astronomical Society (01-04-2017)“…It is well known that the probability distribution function (PDF) of galaxy density contrast is approximately lognormal; whether the PDF of mass fluctuations…”
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Chemical Analysis of the Ultrafaint Dwarf Galaxy Grus II. Signature of High-mass Stellar Nucleosynthesis
Published in The Astrophysical journal (01-07-2020)“…We present a detailed abundance analysis of the three brightest member stars at the top of the giant branch of the ultrafaint dwarf (UFD) galaxy Grus II. All…”
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Superclustering with the Atacama Cosmology Telescope and Dark Energy Survey. I. Evidence for Thermal Energy Anisotropy Using Oriented Stacking
Published in The Astrophysical journal (01-07-2022)“…The cosmic web contains filamentary structure on a wide range of scales. On the largest scales, superclustering aligns multiple galaxy clusters along…”
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First cosmological results using Type Ia supernovae from the Dark Energy Survey: measurement of the Hubble constant
Published in Monthly notices of the Royal Astronomical Society (01-06-2019)“…We present an improved measurement of the Hubble constant (H0) using the ‘inverse distance ladder’ method, which adds the information from 207 Type Ia…”
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The intrinsic alignment of red galaxies in DES Y1 redMaPPer galaxy clusters
Published in Monthly notices of the Royal Astronomical Society (21-09-2023)“…ABSTRACT Clusters of galaxies trace the most non-linear peaks in the cosmic density field. The weak gravitational lensing of background galaxies by clusters…”
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Fluid Flow, Brecciation, and Shear Heating on Faults: Insights From Carbonate Clumped‐Isotope Thermometry
Published in Tectonics (Washington, D.C.) (01-09-2018)“…Slip on gently dipping detachments in the brittle crust has been enigmatic for decades, because fracture mechanics laws predict frictional resistance is too…”
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Life history as a constraint on plasticity: developmental timing is correlated with phenotypic variation in birds
Published in Heredity (01-10-2015)“…Understanding why organisms vary in developmental plasticity has implications for predicting population responses to changing environments and the maintenance…”
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Dark Energy Survey year 1 results: galaxy sample for BAO measurement
Published in Monthly notices of the Royal Astronomical Society (11-01-2019)“…We define and characterize a sample of 1.3 million galaxies extracted from the first year of Dark Energy Survey data, optimized to measure baryon acoustic…”
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First cosmology results using Type IA supernovae from the dark energy survey: effects of chromatic corrections to supernova photometry on measurements of cosmological parameters
Published in Monthly notices of the Royal Astronomical Society (01-06-2019)“…Abstract Calibration uncertainties have been the leading systematic uncertainty in recent analyses using Type Ia supernovae (SNe Ia) to measure cosmological…”
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Methods for cluster cosmology and application to the SDSS in preparation for DES Year 1 release
Published in Monthly notices of the Royal Astronomical Society (01-10-2019)“…ABSTRACT We implement the first blind analysis of cluster abundance data to derive cosmological constraints from the abundance and weak lensing signal of…”
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Journal Article