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  • Superluminous Supernovae in... Superluminous Supernovae in LSST: Rates, Detection Metrics, and Light-curve Modeling
    Villar, V. Ashley; Nicholl, Matt; Berger, Edo Astrophysical journal/˜The œAstrophysical journal, 12/2018, Volume: 869, Issue: 2
    Journal Article
    Peer reviewed
    Open access

    We explore and demonstrate the capabilities of the upcoming Large Synoptic Survey Telescope (LSST) to study Type I superluminous supernovae (SLSNe). We fit the light curves of 58 known SLSNe at z ...
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  • Theoretical Models of Optic... Theoretical Models of Optical Transients. I. A Broad Exploration of the Duration-Luminosity Phase Space
    Villar, V. Ashley; Berger, Edo; Metzger, Brian D. ... Astrophysical journal/˜The œAstrophysical journal, 11/2017, Volume: 849, Issue: 1
    Journal Article
    Peer reviewed
    Open access

    The duration-luminosity phase space (DLPS) of optical transients is used, mostly heuristically, to compare various classes of transient events, to explore the origin of new transients, and to ...
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  • The Pre-explosion Mass Dist... The Pre-explosion Mass Distribution of Hydrogen-poor Superluminous Supernova Progenitors and New Evidence for a Mass-Spin Correlation
    Blanchard, Peter K.; Berger, Edo; Nicholl, Matt ... Astrophysical journal/˜The œAstrophysical journal, 07/2020, Volume: 897, Issue: 2
    Journal Article
    Peer reviewed
    Open access

    Despite indications that superluminous supernovae (SLSNe) originate from massive progenitors, the lack of a uniformly analyzed statistical sample has so far prevented a detailed view of the ...
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  • MOSFiT: Modular Open Source... MOSFiT: Modular Open Source Fitter for Transients
    Guillochon, James; Nicholl, Matt; Villar, V. Ashley ... The Astrophysical journal. Supplement series, 05/2018, Volume: 236, Issue: 1
    Journal Article
    Peer reviewed
    Open access

    Much of the progress made in time-domain astronomy is accomplished by relating observational multiwavelength time-series data to models derived from our understanding of physical laws. This goal is ...
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  • A Deep-learning Approach fo... A Deep-learning Approach for Live Anomaly Detection of Extragalactic Transients
    Villar, V. Ashley; Cranmer, Miles; Berger, Edo ... The Astrophysical journal. Supplement series, 08/2021, Volume: 255, Issue: 2
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    Open access

    Abstract There is a shortage of multiwavelength and spectroscopic follow-up capabilities given the number of transient and variable astrophysical events discovered through wide-field optical surveys ...
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  • Detection and parameter est... Detection and parameter estimation of gravitational waves from binary neutron-star mergers in real LIGO data using deep learning
    Krastev, Plamen G.; Gill, Kiranjyot; Villar, V. Ashley ... Physics letters. B, 04/2021, Volume: 815
    Journal Article
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    Open access

    One of the key challenges of real-time detection and parameter estimation of gravitational waves from compact binary mergers is the computational cost of conventional matched-filtering and Bayesian ...
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  • The Luminous and Double-pea... The Luminous and Double-peaked Type Ic Supernova 2019stc: Evidence for Multiple Energy Sources
    Gomez, Sebastian; Berger, Edo; Hosseinzadeh, Griffin ... Astrophysical journal/˜The œAstrophysical journal, 06/2021, Volume: 913, Issue: 2
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    Abstract We present optical photometry and spectroscopy of SN 2019stc (=ZTF19acbonaa), an unusual Type Ic supernova (SN Ic) at a redshift of z = 0.117. SN 2019stc exhibits a broad double-peaked light ...
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  • SN 2023ixf in Messier 101: ... SN 2023ixf in Messier 101: A Variable Red Supergiant as the Progenitor Candidate to a Type II Supernova
    Kilpatrick, Charles D.; Foley, Ryan J.; Jacobson-Galán, Wynn V. ... Astrophysical journal. Letters, 07/2023, Volume: 952, Issue: 1
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    Abstract We present preexplosion optical and infrared (IR) imaging at the site of the type II supernova (SN II) 2023ixf in Messier 101 at 6.9 Mpc. We astrometrically registered a ground-based image ...
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  • SN 2016iet: The Pulsational... SN 2016iet: The Pulsational or Pair Instability Explosion of a Low-metallicity Massive CO Core Embedded in a Dense Hydrogen-poor Circumstellar Medium
    Gomez, Sebastian; Berger, Edo; Nicholl, Matt ... Astrophysical journal/˜The œAstrophysical journal, 08/2019, Volume: 881, Issue: 2
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    We present optical photometry and spectroscopy of SN 2016iet (=Gaia16bvd=PS17brq), an unprecedented Type I supernova (SN I) at z = 0.0676 with no obvious analog in the existing literature. SN 2016iet ...
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  • FLEET: A Redshift-agnostic ... FLEET: A Redshift-agnostic Machine Learning Pipeline to Rapidly Identify Hydrogen-poor Superluminous Supernovae
    Gomez, Sebastian; Berger, Edo; Blanchard, Peter K. ... Astrophysical journal/˜The œAstrophysical journal, 11/2020, Volume: 904, Issue: 1
    Journal Article
    Peer reviewed
    Open access

    Over the past decade wide-field optical time-domain surveys have increased the discovery rate of transients to the point that 10% are being spectroscopically classified. Despite this, these surveys ...
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