Search Results - "FOLATELLI, Gaston"
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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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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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THE TYPE IIb SUPERNOVA 2011dh FROM A SUPERGIANT PROGENITOR
Published in The Astrophysical journal (20-09-2012)“…A set of hydrodynamical models based on stellar evolutionary progenitors is used to study the nature of SN 2011dh. Our modeling suggests that a large…”
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MULTI-WAVELENGTH OBSERVATIONS OF THE ENDURING TYPE IIn SUPERNOVAE 2005ip AND 2006jd
Published in The Astrophysical journal (10-09-2012)“…We present an observational study of the Type IIn supernovae (SNe IIn) 2005ip and 2006jd. Broadband UV, optical, and near-IR photometry, and visual-wavelength…”
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CHARACTERIZING THE V -BAND LIGHT-CURVES OF HYDROGEN-RICH TYPE II SUPERNOVAE
Published in The Astrophysical journal (01-05-2014)“…We present an analysis of the diversity of V-band light-curves of hydrogen-rich type II supernovae. Analyzing a sample of 116 supernovae, several magnitude…”
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The Final Months of Massive Star Evolution from the Circumstellar Environment around SN Ic 2020oi
Published in The Astrophysical journal (01-09-2021)“…Abstract We present the results of Atacama Large Millimeter/submillimeter Array (ALMA) band 3 observations of the nearby type Ic supernova (SN) 2020oi. Under…”
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The electron-capture origin of supernova 2018zd
Published in Nature astronomy (01-09-2021)“…In the transitional mass range (~8–10 solar masses) between white dwarf formation and iron core-collapse supernovae, stars are expected to produce an…”
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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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ON THE SOURCE OF THE DUST EXTINCTION IN TYPE Ia SUPERNOVAE AND THE DISCOVERY OF ANOMALOUSLY STRONG Na I ABSORPTION
Published in The Astrophysical journal (10-12-2013)“…High-dispersion observations of the Na I D [lambda][lambda]5890, 5896 and K I [lambda][lambda]7665, 7699 interstellar lines, and the diffuse interstellar band…”
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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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SPECTROSCOPY OF TYPE Ia SUPERNOVAE BY THE CARNEGIE SUPERNOVA PROJECT
Published in The Astrophysical journal (10-08-2013)“…This is the first release of optical spectroscopic data of low-redshift Type Ia supernovae (SNe Ia) by the Carnegie Supernova Project including 604 previously…”
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Detection of the gravitational lens magnifying a type Ia supernova
Published in Science (American Association for the Advancement of Science) (25-04-2014)“…Objects of known brightness, like type Ia supernovae (SNIa), can be used to measure distances. If a massive object warps spacetime to form multiple images of a…”
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A Multiwavelength View of the Rapidly Evolving SN 2018ivc: An Analog of SN IIb 1993J but Powered Primarily by Circumstellar Interaction
Published in The Astrophysical journal (01-01-2023)“…Abstract SN 2018ivc is an unusual Type II supernova (SN II). It is a variant of SNe IIL, which might represent a transitional case between SNe IIP with a…”
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Direct Evidence of Two-component Ejecta in Supernova 2016gkg from Nebular Spectroscopy
Published in The Astrophysical journal (01-10-2020)“…Abstract Spectral observations of the type-IIb supernova (SN) 2016gkg at 300–800 days are reported. The spectra show nebular characteristics, revealing…”
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UNBURNED MATERIAL IN THE EJECTA OF TYPE Ia SUPERNOVAE
Published in The Astrophysical journal (20-01-2012)“…The presence of unburned material in the ejecta of normal Type Ia supernovae (SNe Ia) is investigated using early-time spectroscopy obtained by the Carnegie…”
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Type II Supernova Spectral Diversity. II. Spectroscopic and Photometric Correlations
Published in The Astrophysical journal (20-11-2017)“…We present an analysis of observed trends and correlations between a large range of spectral and photometric parameters of more than 100 type II supernovae…”
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The Blue Supergiant Progenitor of the Supernova Imposter AT 2019krl
Published in The Astrophysical journal (01-08-2021)“…Abstract Extensive archival Hubble Space Telescope, Spitzer Space Telescope, and Large Binocular Telescope imaging of the recent intermediate-luminosity…”
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The Standardizability of Type Ia Supernovae in the Near-Infrared: Evidence for a Peak-Luminosity Versus Decline-Rate Relation in the Near-Infrared
Published in Publications of the Astronomical Society of the Pacific (01-02-2012)“…ABSTRACT We analyze the standardizability of Type Ia supernovae (SNe Ia) in the near-infrared (NIR) by investigating the correlation between observed peak NIR…”
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The metamorphosis of the Type Ib SN 2019yvr: late-time interaction
Published in Monthly notices of the Royal Astronomical Society (2024)“…ABSTRACT We present observational evidence of late-time interaction between the ejecta of the hydrogen-poor Type Ib supernova (SN) 2019yvr and hydrogen-rich…”
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Carnegie Supernova Project I and II: Measurements of H 0 Using Cepheid, Tip of the Red Giant Branch, and Surface Brightness Fluctuation Distance Calibration to Type Ia Supernovae
Published in The Astrophysical journal (01-07-2024)“…Abstract We present an analysis of Type Ia supernovae (SNe Ia) from the Carnegie Supernova Project I and II and extend the Hubble diagram from optical to…”
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