Search Results - "Stritzinger, M."
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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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A very low central oxygen mass in the peculiar type Ia SN 2010lp: further diversity at the low-luminosity end of SNe Ia
Published in Monthly notices of the Royal Astronomical Society (08-03-2022)“…ABSTRACT A nebular spectrum of the peculiar, low-luminosity type Ia supernova 2010lp is modelled in order to estimate the composition of the inner ejecta and…”
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The diversity of Type II supernova versus the similarity in their progenitors
Published in Monthly notices of the Royal Astronomical Society (11-07-2016)“…High-quality collections of Type II supernova (SN) light curves are scarce because they evolve for hundreds of days, making follow-up observations time…”
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ASASSN-18tb: a most unusual Type Ia supernova observed by TESS and SALT
Published in Monthly notices of the Royal Astronomical Society (01-08-2019)“…ABSTRACT We present photometric and spectroscopic observations of the unusual Type Ia supernova ASASSN-18tb, including a series of Southern African Large…”
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Near-infrared Spectral Evolution of the Type Ia Supernova 2014J in the Nebular Phase: Implications for the Progenitor System
Published in The Astrophysical journal (10-07-2018)“…As the closest Type Ia supernova in decades, SN 2014J provides a unique opportunity for detailed investigation into observational signatures of the progenitor…”
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Observed Type II supernova colours from the Carnegie Supernova Project-I
Published in Monthly notices of the Royal Astronomical Society (01-06-2018)Get full text
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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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An asymmetric explosion as the origin of spectral evolution diversity in type Ia supernovae
Published in Nature (London) (01-07-2010)“…Type Ia supernovae: maintaining the standard The status of type Ia supernovae as cosmological 'standard candles' relies upon the assumption that they are very…”
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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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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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The nebular spectra of the transitional Type Ia Supernovae 2007on and 2011iv: broad, multiple components indicate aspherical explosion cores
Published in Monthly notices of the Royal Astronomical Society (21-05-2018)“…Abstract The nebular-epoch spectrum of the rapidly declining, ‘transitional’ Type Ia supernova (SN) 2007on showed double emission peaks, which have been…”
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TYPE Iax SUPERNOVAE: A NEW CLASS OF STELLAR EXPLOSION
Published in The Astrophysical journal (10-04-2013)“…We describe observed properties of the Type Iax class of supernovae (SNe Iax), consisting of SNe observationally similar to its prototypical member, SN 2002cx…”
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The relative specific Type Ia supernovae rate from three years of ASAS-SN
Published in Monthly notices of the Royal Astronomical Society (11-04-2019)“…ABSTRACT We analyse the 476 SN Ia host galaxies from the All-Sky Automated Survey for Supernova (ASAS-SN) Bright Supernova Catalogues to determine the observed…”
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Nebular spectra of 111 Type Ia supernovae disfavour single-degenerate progenitors
Published in Monthly notices of the Royal Astronomical Society (01-03-2020)“…ABSTRACT We place statistical constraints on Type Ia supernova (SN Ia) progenitors using 227 nebular-phase spectra of 111 SNe Ia. We find no evidence of…”
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GRB 161219B/SN 2016jca: a powerful stellar collapse
Published in Monthly notices of the Royal Astronomical Society (10-06-2019)“…ABSTRACT We report observations and analysis of the nearby gamma-ray burst GRB 161219B (redshift z = 0.1475) and the associated Type Ic supernova (SN) 2016jca…”
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Comparison of the optical light curves of hydrogen-rich and hydrogen-poor type II supernovae
Published in Monthly notices of the Royal Astronomical Society (21-09-2019)“…ABSTRACT Type II supernovae (SNe II) show strong hydrogen features in their spectra throughout their whole evolution, while type IIb supernovae (SNe IIb)…”
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The Early Detection and Follow-up of the Highly Obscured Type II Supernova 2016ija/DLT16am
Published in The Astrophysical journal (20-01-2018)“…Abstract We present our analysis of the Type II supernova DLT16am (SN 2016ija). The object was discovered during the ongoing (DLT40) one-day cadence supernova…”
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Extensive HST ultraviolet spectra and multiwavelength observations of SN 2014J in M82 indicate reddening and circumstellar scattering by typical dust
Published in Monthly notices of the Royal Astronomical Society (01-10-2014)“…SN 2014J in M82 is the closest detected Type Ia supernova (SN Ia) in at least 28 yr and perhaps in 410 yr. Despite its small distance of 3.3 Mpc, SN 2014J is…”
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High luminosity, slow ejecta and persistent carbon lines: SN 2009dc challenges thermonuclear explosion scenarios
Published in Monthly notices of the Royal Astronomical Society (01-04-2011)“…Extended optical and near-IR observations reveal that SN 2009dc shares a number of similarities with normal Type Ia supernovae (SNe Ia), but is clearly…”
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