Griffin Hosseinzadeh

PhD Student

Publications

  • The Rapid Reddening and Featureless Optical Spectra of the Optical Counterpart of GW170817, AT 2017gfo, during the First Four Days
    The Astrophysical Journal, 2017 848 2
  • Optical emission from a kilonova following a gravitational-wave-detected neutron-star merger
    Nature, 2017, 1476-4687
  • Optical Follow-up of Gravitational-wave Events with Las Cumbres Observatory
    The Astrophysical Journal, 2017 848 2
  • A gravitational-wave standard siren measurement of the Hubble constant
    Nature, 2017 551 7678
  • Multi-messenger Observations of a Binary Neutron Star Merger
    The Astrophysical Journal, 2017 848 2
  • SN 2016coi/ASASSN-16fp: An example of residual helium in a type Ic supernova?
    eprint arXiv:1709.03593
  • Nebular-Phase Spectra of Nearby Type Ia Supernovae
    Monthly Notices of the Royal Astronomical Society, 2017 472 3
  • Early Observations of the Type Ia Supernova iPTF 16abc: Evidence for Strong Ejecta Mixing or Interaction with Diffuse Material
    eprint arXiv:1708.07124
  • Gaia17biu/SN 2017egm in NGC 3191: the closest hydrogen-poor superluminous supernova to date is in a "normal", massive, metal-rich spiral galaxy
    eprint arXiv:1708.00864
  • LSQ14efd: observations of the cooling of a shock break-out event in a type Ic Supernova
    Monthly Notices of the Royal Astronomical Society, 2017 471 2
  • Early Blue Excess from the Type Ia Supernova 2017cbv and Implications for its Progenitor
    The Astrophysical Journal, 2017 845 2
  • Clues to the Nature of SN 2009ip II: The Continuing Photometric and Spectroscopic Evolution to 1000 Days
    Monthly Notices of the Royal Astronomical Society, 2017 469 2
  • Hydrogen-poor Superluminous Supernovae with Late-time Hα Emission: Three Events From the Intermediate Palomar Transient Factory
    The Astrophysical Journal, 2017 848 1
  • iPTF16fnl: a faint and fast tidal disruption event in an E+A galaxy
    The Astrophysical Journal, 2017 844 1
  • Multiwavelength follow-up of a rare IceCube neutrino multiplet
    eprint arXiv:1702.06131
  • Discovery and Follow-up Observations of the Young Type Ia Supernova 2016coj
    The Astrophysical Journal, 2017 841 1
  • Constraints on the Progenitor of SN 2016gkg From Its Shock-Cooling Light Curve
    The Astrophysical Journal, 2017 837 1
  • The progenitor and early evolution of the Type IIb SN 2016gkg
    eprint arXiv:1611.00419
  • Early observations of the nearby type Ia supernova SN 2015F
    Monthly Notices of the Royal Astronomical Society, 2017 464 4
  • The Superluminous Transient ASASSN-15lh as a Tidal Disruption Event from a Kerr Black Hole
    Nature Astronomy 1, Article number: 0002 (2016)
  • Optical and Ultraviolet Observations of the Very Young Type IIP SN 2014cx in NGC 337
    The Astrophysical Journal, Volume 832, Number 2
  • Superluminous supernova 2015bn in the nebular phase: evidence for the engine-powered explosion of a stripped massive star
    eprint arXiv:1608.02995
  • Type Ibn Supernovae Show Photometric Homogeneity and Evidence for Two Spectral Subclasses
    The Astrophysical Journal, 2017 836 2
  • M31N 2008-12a - the remarkable recurrent nova in M31: Pan-Chromatic observations of the 2015 eruption
    The Astrophysical Journal, Volume 833, Issue 2, article id. 149, 38 pp. (2016)
  • The multi-faceted Type II-L supernova 2014G from pre-maximum to nebular phase
    eprint arXiv:1605.06116
  • Time-Varying Sodium Absorption in the Type Ia Supernova 2013gh
    eprint arXiv:1605.01738
  • On the nature of Hydrogen-rich Superluminous Supernovae
    eprint arXiv:1604.01226
  • The Diversity of Type II Supernova vs. The Similarity in Their Progenitors
    eprint arXiv:1603.08953
  • Optical and near infrared observations of SN 2014ck: an outlier among the Type Iax supernovae
    eprint arXiv:1603.07084
  • SN 2015bn: a detailed multi-wavelength view of a nearby superluminous supernova
    eprint arXiv:1603.04748
  • Long-rising Type II supernovae from Palomar Transient Factory and Caltech Core-Collapse Project
    Astronomy & Astrophysics, Volume 588, id.A5, 25 pp.
  • Massive stars exploding in a He-rich circumstellar medium - VII. The metamorphosis of ASASSN-15ed from a narrow line Type Ibn to a normal Type Ib Supernova
    Monthly Notices of the Royal Astronomical Society, Volume 453, Issue 4, p.3649-3661
  • SN 2016X: A Type II-P Supernova with A Signature of Shock Breakout from Explosion of A Massive Red Supergiant
    ArXiv e-prints, 2018
  • The Astropy Project: Building an inclusive, open-science project and status of the v2.0 software
    ArXiv e-prints, 2018
  • Probing Late-Stage Stellar Evolution through Robotic Follow-Up of Nearby Supernovae
    American Astronomical Society Meeting Abstracts, 2018
  • Energetic eruptions leading to a peculiar hydrogen-rich explosion of a massive star
    Nature, 2017 551 7679
  • Optical emission from a kilonova following a gravitational-wave-detected neutron-star merger
    Nature, 2017 551 7678
  • The early detection and follow-up of the highly obscured Type II supernova 2016ija/DLT16am
    ArXiv e-prints, 2017
  • Multiwavelength follow-up of a rare IceCube neutrino multiplet
    Astronomy and Astrophysics, 2017 607
Griffin's picture
My research interests are:
supernovae
Contact: griffin@lco.global