Search Results - "Burns, C. R."
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Light and Color Curve Properties of Type Ia Supernovae: Theory Versus Observations
Published in The Astrophysical journal (01-09-2017)“…We study the optical light curve (LC) relations of Type Ia supernovae (SNe Ia) for their use in cosmology using high-quality photometry published by the…”
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On the type Ia supernovae 2007on and 2011iv: evidence for Chandrasekhar-mass explosions at the faint end of the luminosity–width relationship
Published in Monthly notices of the Royal Astronomical Society (11-06-2018)“…Abstract Radiative transfer models of two transitional type Ia supernovae (SNe Ia) have been produced using the abundance stratification technique. These two…”
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THE YOUNG AND BRIGHT TYPE IA SUPERNOVA ASASSN-14lp: DISCOVERY, EARLY-TIME OBSERVATIONS, FIRST-LIGHT TIME, DISTANCE TO NGC 4666, AND PROGENITOR CONSTRAINTS
Published in The Astrophysical journal (01-08-2016)“…ABSTRACT On 2014 December 9.61, the All-sky Automated Survey for SuperNovae (ASAS-SN or "Assassin") discovered ASASSN-14lp just ∼2 days after first light using…”
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Measuring an Off-center Detonation through Infrared Line Profiles: The Peculiar Type Ia Supernova SN 2020qxp/ASASSN-20jq
Published in The Astrophysical journal (01-12-2021)“…Abstract We present and analyze a near-infrared (NIR) spectrum of the underluminous Type Ia supernova SN 2020qxp/ASASSN-20jq obtained with NIRES at the Keck…”
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Type Ia Supernova Progenitor Properties and their Host Galaxies
Published in The Astrophysical journal (01-07-2024)“…Abstract We present an eigenfunction method to analyze 161 visual light curves (LCs) of Type Ia supernovae (SNe Ia) obtained by the Carnegie Supernova Project…”
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Near-infrared and Optical Nebular-phase Spectra of Type Ia Supernovae SN 2013aa and SN 2017cbv in NGC 5643
Published in The Astrophysical journal (01-03-2023)“…Abstract We present multiwavelength time-series spectroscopy of SN 2013aa and SN 2017cbv, two Type Ia supernovae (SNe Ia) on the outskirts of the same host…”
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THE EARLIEST NEAR-INFRARED TIME-SERIES SPECTROSCOPY OF A TYPE Ia SUPERNOVA
Published in The Astrophysical journal (01-04-2013)“…We present ten medium-resolution, high signal-to-noise ratio near-infrared (NIR) spectra of SN 2011fe from SpeX on the NASA Infrared Telescope Facility (IRTF)…”
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A Speed Bump: SN 2021aefx Shows that Doppler Shift Alone Can Explain Early Excess Blue Flux in Some Type Ia Supernovae
Published in Astrophysical journal. Letters (01-06-2022)“…Abstract We present early-time photometric and spectroscopic observations of the Type Ia supernova (SN Ia) 2021aefx. The early-time u -band light curve shows…”
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Carnegie Supernova Project-II: Near-infrared Spectroscopy of Stripped-envelope Core-collapse Supernovae
Published in The Astrophysical journal (01-02-2022)“…Abstract We present 75 near-infrared (NIR; 0.8−2.5 μ m) spectra of 34 stripped-envelope core-collapse supernovae (SESNe) obtained by the Carnegie Supernova…”
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Carnegie Supernova Project: The First Homogeneous Sample of Super-Chandrasekhar-mass/2003fg-like Type Ia Supernovae
Published in The Astrophysical journal (01-12-2021)“…Abstract We present a multiwavelength photometric and spectroscopic analysis of 13 super-Chandrasekhar-mass/2003fg-like Type Ia supernovae (SNe Ia). Nine of…”
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Carnegie Supernova Project II: The Slowest Rising Type Ia Supernova LSQ14fmg and Clues to the Origin of Super-Chandrasekhar/03fg-like Events
Published in The Astrophysical journal (01-09-2020)“…Abstract The Type Ia supernova (SN Ia) LSQ14fmg exhibits exaggerated properties that may help to reveal the origin of the “super-Chandrasekhar” (or 03fg-like)…”
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A Tale of Two Type Ia Supernovae: The Fast-declining Siblings SNe 2015bo and 1997cn
Published in The Astrophysical journal (01-04-2022)“…Abstract We present optical and near-infrared photometric and spectroscopic observations of the fast-declining Type Ia supernova (SN) 2015bo. SN 2015bo is…”
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Luminous Type II supernovae for their low expansion velocities
Published in Monthly notices of the Royal Astronomical Society (01-06-2020)“…ABSTRACT We present optical and near-infrared data of three Type II supernovae (SNe II), SN 2008bm, SN 2009aj, and SN 2009au. These SNe display the following…”
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ASASSN-15hy: An Underluminous, Red 03fg-like Type Ia Supernova
Published in The Astrophysical journal (01-10-2021)“…Abstract We present photometric and spectroscopic observations of the 03fg-like Type Ia supernova (SN Ia) ASASSN-15hy from the ultraviolet (UV) to the…”
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SN 2021fxy: mid-ultraviolet flux suppression is a common feature of Type Ia supernovae
Published in Monthly notices of the Royal Astronomical Society (02-05-2023)“…ABSTRACT We present ultraviolet (UV) to near-infrared (NIR) observations and analysis of the nearby Type Ia supernova SN 2021fxy. Our observations include UV…”
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Discovery and follow-up of ASASSN-23bd (AT 2023clx): the lowest redshift and luminosity optically selected tidal disruption event
Published in Monthly notices of the Royal Astronomical Society (06-05-2024)“…ABSTRACT We report the All-Sky Automated Survey for SuperNovae discovery of the tidal disruption event (TDE) ASASSN-23bd (AT 2023clx) in NGC 3799, a LINER…”
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Carnegie Supernova Project: kinky i-band light curves of Type Ia supernovae
Published in Monthly notices of the Royal Astronomical Society (01-03-2022)“…ABSTRACT We present detailed investigation of a specific i-band light-curve feature in Type Ia supernovae (SNe Ia) using the rapid cadence and high…”
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Strong Near-infrared Carbon Absorption in the Transitional Type Ia SN 2015bp
Published in The Astrophysical journal (01-06-2021)“…Abstract Unburned carbon is potentially a powerful probe of Type Ia supernova (SN) explosion mechanisms. We present comprehensive optical and near-infrared…”
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A JWST Medium-resolution MIRI Spectrum and Models of the Type Ia Supernova 2021aefx at +415 days
Published in The Astrophysical journal (01-11-2024)“…Abstract We present a JWST MIRI medium-resolution spectrometer spectrum (5–27 μ m) of the Type Ia supernova (SN Ia) SN 2021aefx at +415 days past B -band…”
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Optical Spectroscopy of Type Ia Supernovae by the Carnegie Supernova Projects I and II
Published in The Astrophysical journal (01-05-2024)“…Abstract We present the second and final release of optical spectroscopy of Type Ia supernovae (SNe Ia) obtained during the first and second phases of the…”
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