Search Results - "David Kirkby"
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The clustering of galaxies in the completed SDSS-III Baryon Oscillation Spectroscopic Survey: cosmological analysis of the DR12 galaxy sample
Published in Monthly notices of the Royal Astronomical Society (21-09-2017)“…Abstract We present cosmological results from the final galaxy clustering data set of the Baryon Oscillation Spectroscopic Survey, part of the Sloan Digital…”
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Cosmological implications of baryon acoustic oscillation measurements
Published in Physical review. D, Particles, fields, gravitation, and cosmology (14-12-2015)“…We derive constraints on cosmological parameters and tests of dark energy models from the combination of baryon acoustic oscillation (BAO) measurements with…”
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The Target-selection Pipeline for the Dark Energy Spectroscopic Instrument
Published in The Astronomical journal (01-02-2023)“…Abstract In 2021 May, the Dark Energy Spectroscopic Instrument (DESI) began a 5 yr survey of approximately 50 million total extragalactic and Galactic targets…”
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The Robotic Multiobject Focal Plane System of the Dark Energy Spectroscopic Instrument (DESI)
Published in The Astronomical journal (01-01-2023)“…Abstract A system of 5020 robotic fiber positioners was installed in 2019 on the Mayall Telescope, at Kitt Peak National Observatory. The robots automatically…”
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IMPROVED SPECTROPHOTOMETRIC CALIBRATION OF THE SDSS-III BOSS QUASAR SAMPLE
Published in The Astrophysical journal (10-11-2016)“…ABSTRACT We present a model for spectrophotometric calibration errors in observations of quasars from the third generation of the Sloan Digital Sky Survey…”
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The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: measuring DA and H at z = 0.57 from the baryon acoustic peak in the Data Release 9 spectroscopic Galaxy sample
Published in Monthly notices of the Royal Astronomical Society (21-03-2014)“…We present measurements of the angular diameter distance to and Hubble parameter at z = 0.57 from the measurement of the baryon acoustic peak in the…”
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Growth of cosmic structure: Probing dark energy beyond expansion
Published in Astroparticle physics (15-03-2015)“…The quantity and quality of cosmic structure observations have greatly accelerated in recent years, and further leaps forward will be facilitated by imminent…”
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Survey Operations for the Dark Energy Spectroscopic Instrument
Published in The Astronomical journal (01-12-2023)“…Abstract The Dark Energy Spectroscopic Instrument (DESI) survey is a spectroscopic survey of tens of millions of galaxies at 0 < z < 3.5 covering 14,000 sq…”
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A composite likelihood approach for inference under photometric redshift uncertainty
Published in Monthly notices of the Royal Astronomical Society (01-02-2022)“…ABSTRACT Obtaining accurately calibrated redshift distributions of photometric samples is one of the great challenges in photometric surveys like LSST, Euclid,…”
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The LSST-DESC 3x2pt Tomography Optimization Challenge
Published in The Astrophysical journal (19-10-2021)“…This paper presents the results of the Rubin Observatory Dark Energy Science Collaboration (DESC) 3x2pt tomography challenge, which served as a first step…”
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JAX-COSMO: An End-to-End Differentiable and GPU Accelerated Cosmology Library
Published in The open journal of astrophysics (2023)Get full text
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The clustering of Galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: potential systematics in fitting of baryon acoustic feature
Published in Monthly notices of the Royal Astronomical Society (21-11-2014)“…Extraction of the Baryon Acoustic Oscillations (BAO) to per cent level accuracy is challenging and demands an understanding of many potential systematics to an…”
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Dimensions of Conservation: Exploring Differences Among Energy Behaviors
Published in Environment and behavior (01-05-2014)“…Residential energy conservation is among the most efficient means of reducing emissions, yet behavior is lagging behind this potential, suggesting this is an…”
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LSST: From Science Drivers to Reference Design and Anticipated Data Products
Published in The Astrophysical journal (10-03-2019)“…We describe here the most ambitious survey currently planned in the optical, the Large Synoptic Survey Telescope (LSST). The LSST design is driven by four main…”
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NEW NEUTRINO MASS BOUNDS FROM SDSS-III DATA RELEASE 8 PHOTOMETRIC LUMINOUS GALAXIES
Published in The Astrophysical journal (10-12-2012)Get full text
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Why there might be a moral faculty: A reply to Johnson
Published in Philosophical psychology (01-08-2014)“…Is there a cognitive faculty dedicated to the moral domain? Mark Johnson has developed a number of arguments against the existence of such a faculty. I claim…”
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The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: baryon acoustic oscillations in the Data Releases 10 and 11 Galaxy samples
Published in Monthly notices of the Royal Astronomical Society (11-06-2014)“…We present a one per cent measurement of the cosmic distance scale from the detections of the baryon acoustic oscillations (BAO) in the clustering of galaxies…”
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The clustering of galaxies in the SDSS‐III Baryon Oscillation Spectroscopic Survey: baryon acoustic oscillations in the Data Release 9 spectroscopic galaxy sample
Published in Monthly notices of the Royal Astronomical Society (21-12-2012)“…ABSTRACT We present measurements of galaxy clustering from the Baryon Oscillation Spectroscopic Survey (BOSS), which is part of the Sloan Digital Sky Survey…”
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Probing the circumgalactic medium at high-redshift using composite BOSS spectra of strong Lyman α forest absorbers
Published in Monthly notices of the Royal Astronomical Society (01-06-2014)“…We present composite spectra constructed from a sample of 242 150 Lyman α (Lyα) forest absorbers at redshifts 2.4 < z < 3.1 identified in quasar spectra from…”
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The effect of quasar redshift errors on Lyman-α forest correlation functions
Published in Monthly notices of the Royal Astronomical Society (25-08-2022)“…ABSTRACT Using synthetic Lyman-α forests from the Dark Energy Spectroscopic Instrument (DESI) survey, we present a study of the impact of errors in the…”
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