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241 research outcomes, page 1 of 25
  • publication . Conference object . Preprint . 2013
    Open Access English
    Authors:
    Boris Leistedt; Hiranya V. Peiris; Jason D. McEwen;
    Persistent Identifiers
    Project: EC | COSMICDAWN (306478)

    Pressing questions in cosmology such as the nature of dark matter and dark energy can be addressed using large galaxy surveys, which measure the positions, properties and redshifts of galaxies in order to map the large-scale structure of the Universe. We review the Four...

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  • publication . Article . Preprint . Other literature type . 2019
    Open Access English
    Authors:
    J. Prat; E. Baxter; T. Shin; C. Sánchez; Chihway Chang; Bhuvnesh Jain; R. Miquel; A. Alarcon; David Bacon; Gary Bernstein; ...
    Publisher: HAL CCSD
    Project: EC | COSMICDAWN (306478), NSF | Collaborative Research: T... (1138766), EC | TESTDE (291329), EC | COGS (240672)

    Correlations between tracers of the matter density field and gravitational lensing are sensitive to the evolution of the matter power spectrum and the expansion rate across cosmic time. Appropriately defined ratios of such correlation functions, on the other hand, depen...

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  • publication . Article . Preprint . 2020
    Open Access English
    Authors:
    Antonella Palmese; J. Annis; J Burgad; Arya Farahi; Marcelle Soares-Santos; B. Welch; M da Silva Pereira; Huan Lin; S. Bhargava; D. L. Hollowood; ...
    Persistent Identifiers
    Project: EC | COGS (240672), RCUK | STFC Sussex 2015 DTP (ST/N504452/1), EC | TESTDE (291329), EC | COSMICDAWN (306478), NSF | Collaborative Research: T... (1138766)

    We introduce a galaxy cluster mass observable, μ*, based on the stellar masses of cluster members, and we present results for the Dark Energy Survey (DES) Year 1 (Y1) observations. Stellar masses are computed using a Bayesian model averaging method, and are validated fo...

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  • publication . Article . Preprint . Other literature type . 2019
    Open Access English
    Authors:
    Daniel Gruen; Yuan-Yuan Zhang; Antonella Palmese; Brian Yanny; V. C. Busti; Ben Hoyle; Peter Melchior; Christopher J. Miller; Eduardo Rozo; Eli S. Rykoff; ...
    Persistent Identifiers
    Project: EC | TESTDE (291329), EC | COGS (240672), NSF | Collaborative Research: T... (1138766), EC | COSMICDAWN (306478)

    We study the effect of diffuse intracluster light on the critical surface mass density estimated from photometric redshifts of lensing source galaxies, and the resulting bias in a weak lensing measurement of galaxy cluster mass. Under conservative assumptions, we find t...

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  • publication . Article . Preprint . Other literature type . 2019
    Open Access English
    Authors:
    J. Lasker; Richard Kessler; Daniel Scolnic; D. J. Brout; D. L. Burke; C. B. D'Andrea; Tamara M. Davis; Samuel R. Hinton; A. G. Kim; Ting Li; ...
    Persistent Identifiers
    Publisher: HAL CCSD
    Project: EC | COSMICDAWN (306478), EC | COGS (240672), EC | TESTDE (291329), NSF | Collaborative Research: T... (1138766)

    Comment: 17 pages, 12 figures, submitted to MNRAS

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  • publication . Article . Other literature type . Preprint . 2019
    Open Access English
    Authors:
    Samuel R. Hinton; Tamara M. Davis; A. G. Kim; D. J. Brout; C. B. D'Andrea; Richard Kessler; J. Lasker; C. Lidman; Edward Macaulay; A. Möller; ...
    Persistent Identifiers
    Project: EC | COSMICDAWN (306478), EC | TESTDE (291329), NSF | Collaborative Research: T... (1138766), EC | COGS (240672)

    We present a new Bayesian hierarchical model (BHM) named Steve for performing type Ia supernova (SNIa) cosmology fits. This advances previous works by including an improved treatment of Malmquist bias, accounting for additional sources of systematic uncertainty, and inc...

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  • publication . Article . Preprint . Other literature type . 2019
    Open Access English
    Authors:
    M. Costanzi; Eduardo Rozo; Melanie Simet; Yuan-Yuan Zhang; A. E. Evrard; Adam Mantz; Eli S. Rykoff; T. Jeltema; Daniel Gruen; S. W. Allen; ...
    Persistent Identifiers
    Publisher: Oxford University Press (OUP)
    Project: EC | ClustersXCosmo (716762), EC | TESTDE (291329), NSF | Collaborative Research: T... (1138766), EC | COSMICDAWN (306478), EC | COGS (240672)

    We perform the first blind analysis of cluster abundance data. Specifically, we derive cosmological constraints from the abundance and weak-lensing signal of \redmapper\ clusters of richness $\lambda\geq 20$ in the redshift range $z\in[0.1,0.3]$ as measured in the Sloan...

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  • publication . Article . Preprint . 2013
    Open Access English
    Authors:
    Hiranya V. Peiris; Richard Easther; Raphael Flauger;
    Persistent Identifiers
    Publisher: IOP PUBLISHING LTD
    Project: EC | COSMICDAWN (306478), NSF | CAREER: Strings on the Ho... (0645435), NSF | Probing Fundamental Physi... (0855425)

    We use cosmic microwave background (CMB) data from the 9-year WMAP release to derive constraints on monodromy inflation, which is characterized by a linear inflaton potential with a periodic modulation. We identify two possible periodic modulations that significantly im...

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  • publication . Article . Preprint . 2018
    Open Access English
    Authors:
    Angelo Fausti Neto; L. N. da Costa; A. Carnero; J. Gschwend; R. L. C. Ogando; F. Sobreira; M. A. G. Maia; Basilio X. Santiago; Rogerio Rosenfeld; C. Singulani; ...
    Persistent Identifiers
    Publisher: HAL CCSD
    Project: NSF | Collaborative Research: T... (1138766), EC | TESTDE (291329), EC | COGS (240672), EC | COSMICDAWN (306478)

    Comment: The second paper of the series about the DES Science Portal, submitted to the Astronomy & Computing journal. It shows the infrastructure to create science-ready catalogs from DES photometric data and ancillary maps. This is the version accepted by the journal

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  • publication . Preprint . Article . Other literature type . 2019
    Open Access English
    Authors:
    D. J. Brout; Masao Sako; Daniel Scolnic; Richard Kessler; C. B. D'Andrea; Tamara M. Davis; Samuel R. Hinton; A. G. Kim; J. Lasker; Edward Macaulay; ...
    Persistent Identifiers
    Project: EC | COGS (240672), NSF | Collaborative Research: T... (1138766), NSF | Characterizing the Physic... (1517742), NSF | The Progenitors and Explo... (1518052), EC | COSMICDAWN (306478), EC | TESTDE (291329), NSF | Next-Generation Supernova... (1815935)

    We present griz light curves of 251 Type Ia Supernovae (SNe Ia) from the first 3 years of the Dark Energy Survey Supernova Program's (DES-SN) spectroscopically classified sample. The photometric pipeline described in this paper produces the calibrated fluxes and associa...

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241 research outcomes, page 1 of 25