Search Results - "Honscheid, K."
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Image analysis for cosmology: results from the GREAT10 Galaxy Challenge
Published in Monthly notices of the Royal Astronomical Society (01-07-2012)“…In this paper, we present results from the weak-lensing shape measurement GRavitational lEnsing Accuracy Testing 2010 (GREAT10) Galaxy Challenge. This marks an…”
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DAHe white dwarfs from the DESI Survey
Published in Monthly notices of the Royal Astronomical Society (31-03-2023)“…ABSTRACT A new class of white dwarfs, dubbed DAHe, that present Zeeman-split Balmer lines in emission has recently emerged. However, the physical origin of…”
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Planting a Lyman alpha forest on AbacusSummit
Published in Monthly notices of the Royal Astronomical Society (04-07-2023)“…ABSTRACT The full-shape correlations of the Lyman alpha (Ly α) forest contain a wealth of cosmological information through the Alcock–Paczyński effect…”
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The frequency of metal enrichment of cool helium-atmosphere white dwarfs using the DESI early data release
Published in Monthly notices of the Royal Astronomical Society (01-06-2024)“…ABSTRACT There is an overwhelming evidence that white dwarfs host planetary systems; revealed by the presence, disruption, and accretion of planetary bodies. A…”
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A Large Sample of Extremely Metal-poor Galaxies at z < 1 Identified from the DESI Early Data
Published in The Astrophysical journal (01-02-2024)“…Abstract Extremely metal-poor galaxies (XMPGs) at relatively low redshift are excellent laboratories for studying galaxy formation and evolution in the early…”
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New Measurements of the Lyα Forest Continuum and Effective Optical Depth with LyCAN and DESI Y1 Data
Published in The Astrophysical journal (01-11-2024)“…Abstract We present the Ly α Continuum Analysis Network (LyCAN), a convolutional neural network that predicts the unabsorbed quasar continuum within the…”
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Correcting Turbulence-induced Errors in Fiber Positioning for the Dark Energy Spectroscopic Instrument
Published in The Astronomical journal (01-12-2024)“…Abstract Highly multiplexed, robotic, fiber-fed spectroscopic surveys are observing tens of millions of stars and galaxies. For many systems, accurate…”
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A striking relationship between dust extinction and radio detection in DESI QSOs: evidence for a dusty blow-out phase in red QSOs
Published in Monthly notices of the Royal Astronomical Society (11-09-2023)“…ABSTRACT We present the first eight months of data from our secondary target programme within the ongoing Dark Energy Spectroscopic Instrument (DESI) survey…”
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The BTeV experiment: Physics and detector
Published in The European physical journal. C, Particles and fields (01-07-2004)“…AbstractExploring the large number of heavy quarks produced at Fermilab’s Tevatron collider, the BTeV experiment is designed to make precision measurements of…”
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Silicon as an unconventional detector in positron emission tomography
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-01-2013)“…Positron emission tomography (PET) is a widely used technique in medical imaging and in studying small animal models of human disease. In the conventional…”
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Silicon detectors for combined MR–PET and MR–SPECT imaging
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-02-2013)“…Silicon based devices can extend PET–MR and SPECT–MR imaging to applications, where their advantages in performance outweigh benefits of high statistical…”
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AX-PET: A novel PET detector concept with full 3D reconstruction
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-10-2009)“…We describe the concept and first experimental tests of a novel 3D axial Positron Emission Tomography (PET) geometry. It allows for a new way of measuring the…”
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A device to measure the effects of strong magnetic fields on the image resolution of PET scanners
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-10-2009)“…Very high resolution images can be achieved in small animal PET systems utilizing solid state silicon pad detectors. As these systems approach sub-millimeter…”
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Construction and tests of demonstrator modules for a 3-D axial PET system for brain or small animal imaging
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-04-2011)“…The design and construction of a PET camera module with high sensitivity, full 3-D spatial reconstruction and very good energy resolution is presented. The…”
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Last Results of a First Compton Probe Demonstrator
Published in IEEE transactions on nuclear science (01-06-2008)“…A first prostate probe prototype based on the Compton imaging technique has been developed, with a scatter detector composed of a stack of five thick silicon…”
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The AX-PET project: Demonstration of a high resolution axial 3D PET
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-05-2010)“…The AX-PET is a new geometrical concept for a high resolution 3D PET scanner, based on matrices of axially oriented LYSO crystals interleaved by stacks of WLS,…”
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STRIDES: a 3.9 per cent measurement of the Hubble constant from the strong lens system DES J0408−5354
Published in Monthly notices of the Royal Astronomical Society (01-06-2020)“…ABSTRACT We present a blind time-delay cosmographic analysis for the lens system DES J0408−5354. This system is extraordinary for the presence of two sets of…”
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Dark Energy Survey Year 3 results: redshift calibration of the weak lensing source galaxies
Published in Monthly notices of the Royal Astronomical Society (01-08-2021)“…ABSTRACT Determining the distribution of redshifts of galaxies observed by wide-field photometric experiments like the Dark Energy Survey (DES) is an essential…”
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Target Selection and Validation of DESI Emission Line Galaxies
Published in The Astronomical journal (01-03-2023)“…Abstract The Dark Energy Spectroscopic Instrument (DESI) will precisely constrain cosmic expansion and the growth of structure by collecting ∼40 million…”
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Dark Energy Survey Y3 results: blending shear and redshift biases in image simulations
Published in Monthly notices of the Royal Astronomical Society (01-01-2022)“…ABSTRACT As the statistical power of galaxy weak lensing reaches per cent level precision, large, realistic, and robust simulations are required to calibrate…”
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