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[COSMICDAWN] Understanding the Origin of Cosmic Structure (306478)
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386 Research products, page 1 of 39

  • Publications

10
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  • Open Access English
    Authors: 
    A. Penton; U. Malik; Tamara M. Davis; Paul Martini; Zhefu Yu; Rob Sharp; C. Lidman; B. E. Tucker; J. K. Hoormann; Michel Aguena; +59 more
    Countries: France, United Kingdom
    Project: EC | COGS (240672), EC | COSMICDAWN (306478), NSF | Collaborative Research: T... (1138766), EC | TESTDE (291329), ARC | Australian Laureate Fello... (FL180100168)

    We present the statistical methods that have been developed to analyse the OzDES reverberation mapping sample. To perform this statistical analysis we have created a suite of customisable simulations that mimic the characteristics of each source in the OzDES sample. The...

  • Open Access English
    Authors: 
    E Guise; S F Hönig; T Almeyda; K Horne; M Kishimoto; M Aguena; S Allam; F Andrade-Oliveira; J Asorey; M Banerji; +55 more
    Country: United Kingdom
    Project: EC | TESTDE (291329), EC | COSMICDAWN (306478), EC | DUST-IN-THE-WIND (677117), NSF | Collaborative Research: T... (1138766), EC | COGS (240672)

    We present multi-wavelength spectral and temporal variability analysis of PKS 0027-426 using optical griz observations from DES (Dark Energy Survey) between 2013-2018 and VOILETTE (VEILS Optical Light curves of Extragalactic TransienT Events) between 2018-2019 and near ...

  • Open Access
    Authors: 
    Ting-Yun Cheng; Christopher J. Conselice; Alfonso Aragón-Salamanca; Michel Aguena; S. Allam; F. Andrade-Oliveira; J. Annis; Asa F. L. Bluck; David J. Brooks; D. L. Burke; +50 more
    Publisher: Oxford University Press
    Countries: Spain, United Kingdom
    Project: EC | TESTDE (291329), EC | COGS (240672), UKRI | Astronomy at Durham 2020-... (ST/T000244/1), EC | COSMICDAWN (306478), NSF | Collaborative Research: T... (1138766)

    We present in this paper one of the largest galaxy morphological classification catalogues to date, including over 20 million galaxies, using the Dark Energy Survey (DES) Year 3 data based on convolutional neural networks (CNNs). Monochromatic i-band DES images with lin...

  • Open Access English
    Authors: 
    D. L. Tucker; M. P. Wiesner; S. S. Allam; M. Soares-Santos; C. R. Bom; M. Butner; A. Garcia; R. Morgan; F. Olivares E.; A. Palmese; +133 more
    Publisher: American Astronomical Society
    Country: United Kingdom
    Project: EC | COGS (240672), EC | TESTDE (291329), NSF | Collaborative Research: T... (1138766), NSF | CyberTraining: CIU: The L... (1829740), EC | COSMICDAWN (306478), NSF | Next-Generation Supernova... (1815935)

    On 2019 August 14 at 21:10:39 UTC, the LIGO/Virgo Collaboration (LVC) detected a possible neutron star-black hole merger (NSBH), the first ever identified. An extensive search for an optical counterpart of this event, designated GW190814, was undertaken using the Dark E...

  • Open Access English
    Authors: 
    Pedro H. Bernardinelli; Gary Bernstein; Benjamin T. Montet; Robert Weryk; Richard J. Wainscoat; Michel Aguena; S. Allam; F. Andrade-Oliveira; J. Annis; Salcedo Romero de Ávila; +57 more
    Publisher: IOP Publishing
    Country: Spain
    Project: EC | COSMICDAWN (306478), EC | TESTDE (291329), EC | COGS (240672), NSF | Collaborative Research: T... (1138766)

    Comet C/2014 UN271 (Bernardinelli-Bernstein), incoming from the Oort cloud, is remarkable in having the brightest (and presumably largest) nucleus of any well-measured comet and having been discovered at the heliocentric distance r h ≈ 29 au, farther than any Oort cloud...

  • Open Access English
    Authors: 
    Akhazhanov, A.; More, A.; Amini, A.; Hazlett, C.; Treu, T.; Birrer, S.; Shajib, A.; Schechter, P.; Lemon, C.; Nord, B.; +61 more
    Country: Denmark
    Project: EC | TESTDE (291329), NSF | Collaborative Research: T... (1138766), EC | COSMICDAWN (306478), EC | COGS (240672)

    Strongly lensed quadruply imaged quasars (quads) are extraordinary objects. They are very rare in the sky -- only a few tens are known to date -- and yet they provide unique information about a wide range of topics, including the expansion history and the composition of...

  • Open Access English
    Authors: 
    Cordero, Juan P.; Harrison, Ian; Rollins, Richard P.; Bernstein, G. M.; Bridle, S. L.; Alarcon, A.; Alves, O.; Amon, A.; Andrade-Oliveira, F.; Camacho, H.; +85 more
    Project: NSF | Collaborative Research: T... (1138766), EC | TESTDE (291329), EC | COGS (240672), EC | COSMICDAWN (306478), EC | COSMIC LENS (681431)

    Cosmological information from weak lensing surveys is maximised by dividing source galaxies into tomographic sub-samples for which the redshift distributions are estimated. Uncertainties on these redshift distributions must be correctly propagated into the cosmological ...

  • Open Access English
    Authors: 
    D. Tanoglidis; A. Ćiprijanović; A. Drlica-Wagner; B. Nord; M.H.L.S. Wang; A. Jacob Amsellem; K. Downey; S. Jenkins; D. Kafkes; Z. Zhang;
    Project: EC | TESTDE (291329), EC | COSMICDAWN (306478), NSF | Collaborative Research: T... (1138766), EC | COGS (240672)

    Wide-field astronomical surveys are often affected by the presence of undesirable reflections (often known as "ghosting artifacts" or "ghosts") and scattered-light artifacts. The identification and mitigation of these artifacts is important for rigorous astronomical ana...

  • Open Access English
    Authors: 
    Pedro H. Bernardinelli; Gary M. Bernstein; Masao Sako; Brian Yanny; M. Aguena; S. Allam; F. Andrade-Oliveira; E. Bertin; D. Brooks; E. Buckley-Geer; +57 more
    Country: United Kingdom
    Project: NSF | Collaborative Research: T... (1138766), EC | COSMICDAWN (306478), EC | COGS (240672), EC | TESTDE (291329)

    We present the results of a search for outer Solar System objects in the full six years of data (Y6) from the Dark Energy Survey (DES). The DES covered a contiguous $5000$ deg$^2$ of the southern sky with $\approx 80,000$ $3$ deg$^2$ exposures in the $grizY$ optical/IR ...

  • Publication . Article . Preprint . 2021
    Open Access
    Authors: 
    T. Shin; Bhuvnesh Jain; S. Adhikari; E. J. Baxter; Chihway Chang; S. Pandey; Andrés N. Salcedo; David H. Weinberg; A. Amsellem; Nick Battaglia; +129 more
    Publisher: Royal Astronomical Society
    Countries: Spain, United States
    Project: EC | COSMICDAWN (306478), EC | COGS (240672), EC | TESTDE (291329)

    We present measurements of the radial profiles of the mass and galaxy number density around Sunyaev–Zel’dovich (SZ)-selected clusters using both weak lensing and galaxy counts. The clusters are selected from the Atacama Cosmology Telescope Data Release 5 and the galaxie...