Search Results - "Kilpatrick, Charles D"
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The Pantheon+ Analysis: The Full Data Set and Light-curve Release
Published in The Astrophysical journal (01-10-2022)“…Abstract Here we present 1701 light curves of 1550 unique, spectroscopically confirmed Type Ia supernovae (SNe Ia) that will be used to infer cosmological…”
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A cool and inflated progenitor candidate for the Type Ib supernova 2019yvr at 2.6 yr before explosion
Published in Monthly notices of the Royal Astronomical Society (01-06-2021)“…ABSTRACT We present Hubble Space Telescope imaging of a pre-explosion counterpart to SN 2019yvr obtained 2.6 yr before its explosion as a type Ib supernova…”
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3
A High-resolution View of Fast Radio Burst Host Environments
Published in The Astrophysical journal (01-08-2021)“…Abstract We present Hubble Space Telescope ultraviolet and infrared observations of eight fast radio burst (FRB) host galaxies with subarcsecond localizations,…”
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A SYSTEMATIC SURVEY FOR BROADENED CO EMISSION TOWARD GALACTIC SUPERNOVA REMNANTS
Published in The Astrophysical journal (01-01-2016)“…ABSTRACT We present molecular spectroscopy toward 50 Galactic supernova remnants (SNRs) taken at millimeter wavelengths in 12CO J = 2 − 1. These observations…”
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SN 2023ixf in Messier 101: A Variable Red Supergiant as the Progenitor Candidate to a Type II Supernova
Published in Astrophysical journal. Letters (01-07-2023)“…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…”
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The Demographics, Stellar Populations, and Star Formation Histories of Fast Radio Burst Host Galaxies: Implications for the Progenitors
Published in The Astrophysical journal (01-09-2023)“…Abstract We present a comprehensive catalog of observations and stellar population properties for 23 highly secure host galaxies of fast radio bursts (FRBs)…”
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On the progenitor of the Type IIb supernova 2016gkg
Published in Monthly notices of the Royal Astronomical Society (11-03-2017)“…We present a detection in pre-explosion Hubble Space Telescope(HST) imaging of a point source consistent with being the progenitor star of the Type IIb…”
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Hubble Space Telescope Observations of GW170817: Complete Light Curves and the Properties of the Galaxy Merger of NGC 4993
Published in The Astrophysical journal (01-02-2022)“…Abstract We present the complete set of Hubble Space Telescope imaging of the binary neutron star merger GW170817 and its optical counterpart AT 2017gfo…”
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SN 2013fs and SN 2013fr: exploring the circumstellar-material diversity in Type II supernovae
Published in Monthly notices of the Royal Astronomical Society (11-05-2018)“…Abstract We present photometry and spectroscopy of SN 2013fs and SN 2013fr in the first ∼100 d post-explosion. Both objects showed transient, relatively…”
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10
The Rise and Fall of ASASSN-18pg: Following a TDE from Early to Late Times
Published in The Astrophysical journal (01-08-2020)“…We present nearly 500 days of observations of the tidal disruption event (TDE) ASASSN-18pg, spanning from 54 days before peak light to 441 days after peak…”
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First ALMA Light Curve Constrains Refreshed Reverse Shocks and Jet Magnetization in GRB 161219B
Published in The Astrophysical journal (01-08-2018)“…We present detailed multiwavelength observations of GRB 161219B at z = 0.1475, spanning the radio to X-ray regimes, and the first Atacama Large…”
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12
Updated Photometry of the Yellow Supergiant Progenitor and Late-time Observations of the Type IIb Supernova SN 2016gkg
Published in The Astrophysical journal (01-09-2022)“…Abstract We present Hubble Space Telescope (HST) observations of the Type IIb supernova (SN) SN 2016gkg at 652, 1698, and 1795 days from explosion with the…”
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Late-time Hubble Space Telescope Observations of AT 2018cow. II. Evolution of a UV-bright Underlying Source 2–4 Yr Post-discovery
Published in The Astrophysical journal (01-09-2023)“…Abstract In this second of a two-paper series, we present a detailed analysis of three Hubble Space Telescope observations taken ∼2–4 yr post-discovery,…”
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The SPIRITS Sample of Luminous Infrared Transients: Uncovering Hidden Supernovae and Dusty Stellar Outbursts in Nearby Galaxies
Published in The Astrophysical journal (20-11-2019)“…Abstract We present a systematic study of the most luminous ( M IR [Vega magnitudes] brighter than −14) infrared (IR) transients discovered by the SPitzer…”
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A Carbon/Oxygen-dominated Atmosphere Days after Explosion for the “Super-Chandrasekhar” Type Ia SN 2020esm
Published in The Astrophysical journal (01-03-2022)“…Abstract Seeing pristine material from the donor star in a type Ia supernova (SN Ia) explosion can reveal the nature of the binary system. In this paper, we…”
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Limits on Optical Counterparts to the Repeating Fast Radio Burst 20180916B from High-speed Imaging with Gemini-North/‘Alopeke
Published in The Astrophysical journal (01-04-2024)“…Abstract We report on contemporaneous optical observations at ≈10 ms timescales from the fast radio burst (FRB) 20180916B of two repeat bursts (FRB 20201023…”
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Ca hnk: The Calcium-rich Transient Supernova 2016hnk from a Helium Shell Detonation of a Sub-Chandrasekhar White Dwarf
Published in The Astrophysical journal (01-06-2020)“…We present observations and modeling of SN 2016hnk, a Ca-rich supernova (SN) that is consistent with being the result of a He-shell double-detonation explosion…”
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Late-time Hubble Space Telescope Observations of AT 2018cow. I. Further Constraints on the Fading Prompt Emission and Thermal Properties 50–60 days Post-discovery
Published in The Astrophysical journal (01-09-2023)“…Abstract The exact nature of the luminous fast blue optical transient AT 2018cow is still debated. In this first of a two-paper series, we present a detailed…”
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A new and unusual LBV-like outburst from a Wolf–Rayet star in the outskirts of M33
Published in Monthly notices of the Royal Astronomical Society (01-03-2020)“…ABSTRACT MCA-1B (also called UIT003) is a luminous hot star in the western outskirts of M33, classified over 20 yr ago with a spectral type of Ofpe/WN9 and…”
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The Environments of Fast Radio Bursts Viewed Using Adaptive Optics
Published in The Astrophysical journal (01-09-2024)“…Abstract We present observations from the Gemini Multi-Conjugate Adaptive Optics System/Gemini South Adaptive Optics Imager at Gemini South of five fast radio…”
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