Search Results - "Hsiao, Eric Y."
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The Carnegie Supernova Project: Absolute Calibration and the Hubble Constant
Published in The Astrophysical journal (10-12-2018)“…We present an analysis of the final data release of the Carnegie Supernova Project I, focusing on the absolute calibration of the luminosity-decline rate…”
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Type II Supernova Spectral Diversity. I. Observations, Sample Characterization, and Spectral Line Evolution
Published in The Astrophysical journal (20-11-2017)“…Abstract We present 888 visual-wavelength spectra of 122 nearby type II supernovae (SNe II) obtained between 1986 and 2009, and ranging between 3 and 363 days…”
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Luminous Type II Short-Plateau Supernovae 2006Y, 2006ai, and 2016egz: A Transitional Class from Stripped Massive Red Supergiants
Published in The Astrophysical journal (01-05-2021)“…Abstract The diversity of Type II supernovae (SNe II) is thought to be driven mainly by differences in their progenitor’s hydrogen-rich (H-rich) envelope mass,…”
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SN 2012fr: Ultraviolet, Optical, and Near-infrared Light Curves of a Type Ia Supernova Observed within a Day of Explosion
Published in The Astrophysical journal (20-05-2018)“…Abstract We present detailed ultraviolet, optical, and near-infrared light curves of the Type Ia supernova (SN) 2012fr, which exploded in the Fornax cluster…”
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Extrapolation of Type Ia Supernova Spectra into the Near-infrared Using Principal Component Analysis
Published in The Astrophysical journal (01-05-2024)“…Abstract We present a method of extrapolating the spectroscopic behavior of Type Ia supernovae (SNe Ia) in the near-infrared (NIR) wavelength regime up to 2.30…”
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Carnegie Supernova Project. II. Near-infrared Spectral Diversity and Template of Type Ia Supernovae
Published in The Astrophysical journal (01-05-2023)“…Abstract We present the largest and most homogeneous collection of near-infrared (NIR) spectra of Type Ia supernovae (SNe Ia): 339 spectra of 98 individual SNe…”
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Characterizing the Rapid Hydrogen Disappearance in SN 2022crv: Evidence of a Continuum between Type Ib and IIb Supernova Properties
Published in The Astrophysical journal (01-10-2024)“…Abstract We present optical and near-infrared (NIR) observations of SN 2022crv, a stripped-envelope supernova in NGC 3054, discovered within 12 hr of explosion…”
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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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A New Class of Flares from Accreting Supermassive Black Holes
Published in Nature astronomy (01-03-2019)“…Accreting supermassive black holes (SMBHs) can exhibit variable emission across the electromagnetic spectrum and over a broad range of timescales. The…”
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The type Ia supernova SNLS-03D3bb from a super-Chandrasekhar-mass white dwarf star
Published in Nature (21-09-2006)“…The accelerating expansion of the Universe, and the need for dark energy, were inferred from observations of type Ia supernovae. There is a consensus that type…”
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Flight of the Bumblebee: the Early Excess Flux of Type Ia Supernova 2023bee Revealed by TESS, Swift, and Young Supernova Experiment Observations
Published in The Astrophysical journal (01-02-2024)“…Abstract We present high-cadence ultraviolet through near-infrared observations of the Type Ia supernova (SN Ia) 2023bee at D = 32 ± 3 Mpc, finding excess flux…”
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Optical and Near-infrared Observations of the Nearby SN Ia 2017cbv
Published in The Astrophysical journal (01-11-2020)“…Supernova (SN) 2017cbv in NGC 5643 is one of a handful of Type Ia supernovae (SNe Ia) reported to have excess blue emission at early times. This paper presents…”
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The Carnegie Supernova Project-I: Correlation between Type Ia Supernovae and Their Host Galaxies from Optical to Near-infrared Bands
Published in The Astrophysical journal (01-10-2020)“…Abstract We present optical and near-infrared (NIR) ( ugriYJH ) photometry of host galaxies of Type Ia supernovae (SN Ia) observed by the Carnegie Supernova…”
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SN 2012cg: EVIDENCE FOR INTERACTION BETWEEN A NORMAL SN Ia AND A NON-DEGENERATE BINARY COMPANION
Published in The Astrophysical journal (01-04-2016)“…ABSTRACT We report evidence for excess blue light from the Type Ia supernova (Sn Ia) SN 2012cg at 15 and 16 days before maximum B-band brightness. The emission…”
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Observations of the very young Type Ia Supernova 2019np with early-excess emission
Published in Monthly notices of the Royal Astronomical Society (24-06-2022)“…ABSTRACT Early-time radiative signals from Type Ia supernovae (SNe Ia) can provide important constraints on the explosion mechanism and the progenitor system…”
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SN 2013aa and SN 2017cbv: Two Sibling Type Ia Supernovae in the Spiral Galaxy NGC 5643
Published in The Astrophysical journal (01-06-2020)“…We present photometric and spectroscopic observations of SN 2013aa and SN 2017cbv, two nearly identical type Ia supernovae (SNe Ia) in the host galaxy NGC…”
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Carnegie Supernova Project: Classification of Type Ia Supernovae
Published in The Astrophysical journal (01-10-2020)“…We use the spectroscopy and homogeneous photometry of 97 Type Ia supernovae (SNe Ia) obtained by the Carnegie Supernova Project as well as a subset of 36 SNe…”
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Weak Mass Loss from the Red Supergiant Progenitor of the Type II SN 2021yja
Published in The Astrophysical journal (01-08-2022)“…Abstract We present high-cadence optical, ultraviolet (UV), and near-infrared data of the nearby ( D ≈ 23 Mpc) Type II supernova (SN) 2021yja. Many Type II SNe…”
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SN 2012ij: A Low-luminosity Type Ia Supernova and Evidence for a Continuous Distribution from a 91bg-like Explosion to Normal Ones
Published in The Astrophysical journal (01-03-2022)“…Abstract In this paper, we present photometric and spectroscopic observations of the subluminous Type Ia supernova (SN Ia) 2012ij, which has an absolute B…”
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