List of works - Chris Ashall

A JWST Near- and Mid-infrared Nebular Spectrum of the Type Ia Supernova 2021aefx

scientific article published in February 2023

A Rapid Ionization Change in the Nebular-phase Spectra of the Type Ia SN 2011fe

scientific article published in February 2022

A Speed Bump: SN 2021aefx Shows that Doppler Shift Alone Can Explain Early Excess Blue Flux in Some Type Ia Supernovae

scientific article published in June 2022

A Tale of Two Type Ia Supernovae: The Fast-declining Siblings SNe 2015bo and 1997cn

scientific article published on 30 March 2022

A hybrid type Ia supernova with an early flash triggered by helium-shell detonation.

scientific article

A kilonova as the electromagnetic counterpart to a gravitational-wave source.

scientific article

A luminous stellar outburst during a long-lasting eruptive phase first, and then SN IIn 2018cnf

scientific article published in August 2019

A nearby super-luminous supernova with a long pre-maximum & “plateau” and strong C II features

scientific article published in Astronomy and Astrophysics

A physical basis for the H-band blue-edge velocity and light-curve shape correlation in context of Type Ia supernova explosion physics ⬇️

scientific article published in January 2019

A very luminous magnetar-powered supernova associated with an ultra-long γ-ray burst

scientific article published on July 2015

ASASSN-15hy: An Underluminous, Red 03fg-like Type Ia Supernova

scientific article published in October 2021

ASASSN-18am/SN 2018gk: an overluminous Type IIb supernova from a massive progenitor

scientific article published on 4 March 2021

Author Correction: The delay of shock breakout due to circumstellar material evident in most type II supernovae

scholarly article published in Nature Astronomy

Carnegie Supernova Project-II: Extending the Near-infrared Hubble Diagram for Type Ia Supernovae to z ∼ 0.1

scientific article

Carnegie Supernova Project-II: The Near-infrared Spectroscopy Program

scholarly article

Carnegie Supernova Project: Classification of Type Ia Supernovae

scientific article published on 5 October 2020

Carnegie Supernova Project: The First Homogeneous Sample of Super-Chandrasekhar-mass/2003fg-like Type Ia Supernovae

scientific article published on 30 November 2021

Carnegie supernova Project-II: using near-infrared spectroscopy to determine the location of the outer ^56^Ni in Type Ia supernovae ⬇️

scientific article published in January 2019

Characterizing the Rapid Hydrogen Disappearance in SN 2022crv: Evidence of a Continuum between Type Ib and IIb Supernova Properties

scientific article published in October 2024

Early observations of the nearby Type Ia supernova SN 2015F ⬇️

scientific article

Evidence for a Chandrasekhar-mass explosion in the Ca-strong 1991bg-like type Ia supernova 2016hnk

scientific article published on 23 September 2019

Extracting high-level information from gamma-ray burst supernova spectra ⬇️

scholarly article

Fast and not-so-furious: Case study of the fast and faint Type IIb SN 2021bxu

scientific article published on 28 June 2023

Flat-topped NIR profiles originating from an unmixed helium shell in the Type IIb SN 2020acat

scientific article published on 14 October 2022

Flight of the Bumblebee: the Early Excess Flux of Type Ia Supernova 2023bee Revealed by TESS, Swift, and Young Supernova Experiment Observations

scholarly article

Intermediate-luminosity red transients: Spectrophotometric properties and connection to electron-capture supernova explosions

scientific article published in October 2021

Investigating the properties of stripped-envelope supernovae; what are the implications for their progenitors?

scholarly article

JWST Low-resolution MIRI Spectral Observations of SN 2021aefx: High-density Burning in a Type Ia Supernova

scientific article published on 28 February 2023

JWST MIRI/Medium Resolution Spectrograph (MRS) Observations and Spectral Models of the Underluminous Type Ia Supernova 2022xkq

scholarly article

KISS: Discovery and Identification of a young SN Ia KISS 15n in the Coma cluster

scholarly article

Optical and Near-infrared Observations of the Nearby SN Ia 2017cbv

scientific article published on 18 November 2020

PESSTO spectroscopic classification of optical transients

PESSTO: survey description and products from the first data release by the Public ESO Spectroscopic Survey of Transient Objects ⬇️

scientific article published in Astronomy and Astrophysics

Red versus Blue: Early Observations of Thermonuclear Supernovae Reveal Two Distinct Populations? ⬇️

Revealing the Progenitor of SN 2021zby through Analysis of the TESS Shock-cooling Light Curve

SALT3-NIR: Taking the Open-source Type Ia Supernova Model to Longer Wavelengths for Next-generation Cosmological Measurements

scientific article published in 2022

SCAT uncovers ATLAS’s first tidal disruption event ATLAS18mlw: a faint and fast TDE in a quiescent Balmer strong Galaxy

scientific article published on 19 December 2022

SN 2013aa and SN 2017cbv: Two Sibling Type Ia Supernovae in the Spiral Galaxy NGC 5643

SN 2017gmr: An Energetic Type II-P Supernova with Asymmetries

scientific article published in November 2019

SN 2019yvq Does Not Conform to SN Ia Explosion Models

scientific article

SN 2021fxy: mid-ultraviolet flux suppression is a common feature of Type Ia supernovae

scientific article published on 24 April 2023

SN 2021gno: a calcium-rich transient with double-peaked light curves

scientific article published on 8 September 2023

SN 2020acat: an energetic fast rising Type IIb supernova

scientific article published on 5 May 2022

SN 2020cpg: an energetic link between Type IIb and Ib supernovae

scientific article published on 22 June 2021

Strong Carbon Features and a Red Early Color in the Underluminous Type Ia SN 2022xkq

scientific article published on 19 December 2023

Strong Near-infrared Carbon Absorption in the Transitional Type Ia SN 2015bp*

scientific article published in June 2021

Strongly bipolar inner ejecta of the normal Type IIP supernova ASASSN-16at ⬇️

scientific article published in January 2019

Supernova 2013fc in a circumnuclear ring of a luminous infrared galaxy: the big brother of SN 1998S ⬇️

scholarly article

The Cow: Discovery of a Luminous, Hot, and Rapidly Evolving Transient ⬇️

The Early Detection and Follow-up of the Highly Obscured Type II Supernova 2016ija/DLT16am

scientific article published in the Astrophysical Journal

The First Data Release of CNIa0.02—A Complete Nearby (Redshift <0.02) Sample of Type Ia Supernova Light Curves*

scientific article published on 30 March 2022

The Spectroscopic Classification of Astronomical Transients (SCAT) Survey: Overview, Pipeline Description, Initial Results, and Future Plans

scientific article published in December 2022

The delay of shock breakout due to circumstellar material evident in most type II supernovae

scholarly article

The fast, luminous ultraviolet transient AT2018cow: extreme supernova, or disruption of a star by an intermediate-mass black hole?

scholarly article by Daniel A Perley et al published 22 December 2018 in Monthly Notices of the Royal Astronomical Society

The superluminous transient ASASSN-15lh as a tidal disruption event from a Kerr black hole ⬇️

scholarly article by Giorgos Leloudas et al published 12 December 2016 in Nature Astronomy

The whisper of a whimper of a bang: 2400 d of the Type Ia SN 2011fe reveals the decay of 55Fe

scientific article published on 7 October 2022

Transitional events in the spectrophotometric regime between stripped envelope and superluminous supernovae

scientific article published on 5 October 2021

Two transitional type Ia supernovae located in the Fornax cluster member NGC 1404: SN 2007on and SN 2011iv

scientific article published in Astronomy and Astrophysics

Weak Mass Loss from the Red Supergiant Progenitor of the Type II SN 2021yja

scientific article published in August 2022

List of works by Chris Ashall

A JWST Near- and Mid-infrared Nebular Spectrum of the Type Ia Supernova 2021aefx

A Rapid Ionization Change in the Nebular-phase Spectra of the Type Ia SN 2011fe

A Speed Bump: SN 2021aefx Shows that Doppler Shift Alone Can Explain Early Excess Blue Flux in Some Type Ia Supernovae

A Tale of Two Type Ia Supernovae: The Fast-declining Siblings SNe 2015bo and 1997cn

A hybrid type Ia supernova with an early flash triggered by helium-shell detonation.

A kilonova as the electromagnetic counterpart to a gravitational-wave source.

A luminous stellar outburst during a long-lasting eruptive phase first, and then SN IIn 2018cnf

A nearby super-luminous supernova with a long pre-maximum & “plateau” and strong C II features

A physical basis for the H-band blue-edge velocity and light-curve shape correlation in context of Type Ia supernova explosion physics ⬇️

A very luminous magnetar-powered supernova associated with an ultra-long γ-ray burst

ASASSN-15hy: An Underluminous, Red 03fg-like Type Ia Supernova

ASASSN-18am/SN 2018gk: an overluminous Type IIb supernova from a massive progenitor

Author Correction: The delay of shock breakout due to circumstellar material evident in most type II supernovae

Carnegie Supernova Project-II: Extending the Near-infrared Hubble Diagram for Type Ia Supernovae to z ∼ 0.1

Carnegie Supernova Project-II: The Near-infrared Spectroscopy Program

Carnegie Supernova Project: Classification of Type Ia Supernovae

Carnegie Supernova Project: The First Homogeneous Sample of Super-Chandrasekhar-mass/2003fg-like Type Ia Supernovae

Carnegie supernova Project-II: using near-infrared spectroscopy to determine the location of the outer ^56^Ni in Type Ia supernovae ⬇️

Characterizing the Rapid Hydrogen Disappearance in SN 2022crv: Evidence of a Continuum between Type Ib and IIb Supernova Properties

Early observations of the nearby Type Ia supernova SN 2015F ⬇️

Evidence for a Chandrasekhar-mass explosion in the Ca-strong 1991bg-like type Ia supernova 2016hnk

Extracting high-level information from gamma-ray burst supernova spectra ⬇️

Fast and not-so-furious: Case study of the fast and faint Type IIb SN 2021bxu

Flat-topped NIR profiles originating from an unmixed helium shell in the Type IIb SN 2020acat

Flight of the Bumblebee: the Early Excess Flux of Type Ia Supernova 2023bee Revealed by TESS, Swift, and Young Supernova Experiment Observations

Intermediate-luminosity red transients: Spectrophotometric properties and connection to electron-capture supernova explosions

Investigating the properties of stripped-envelope supernovae; what are the implications for their progenitors?

JWST Low-resolution MIRI Spectral Observations of SN 2021aefx: High-density Burning in a Type Ia Supernova

JWST MIRI/Medium Resolution Spectrograph (MRS) Observations and Spectral Models of the Underluminous Type Ia Supernova 2022xkq

KISS: Discovery and Identification of a young SN Ia KISS 15n in the Coma cluster

Optical and Near-infrared Observations of the Nearby SN Ia 2017cbv

PESSTO spectroscopic classification of optical transients

PESSTO spectroscopic classification of optical transients

PESSTO: survey description and products from the first data release by the Public ESO Spectroscopic Survey of Transient Objects ⬇️

Red versus Blue: Early Observations of Thermonuclear Supernovae Reveal Two Distinct Populations? ⬇️

Revealing the Progenitor of SN 2021zby through Analysis of the TESS Shock-cooling Light Curve

SALT3-NIR: Taking the Open-source Type Ia Supernova Model to Longer Wavelengths for Next-generation Cosmological Measurements

SCAT uncovers ATLAS’s first tidal disruption event ATLAS18mlw: a faint and fast TDE in a quiescent Balmer strong Galaxy

SN 2013aa and SN 2017cbv: Two Sibling Type Ia Supernovae in the Spiral Galaxy NGC 5643

SN 2017gmr: An Energetic Type II-P Supernova with Asymmetries

SN 2019yvq Does Not Conform to SN Ia Explosion Models

SN 2021fxy: mid-ultraviolet flux suppression is a common feature of Type Ia supernovae

SN 2021gno: a calcium-rich transient with double-peaked light curves

SN 2020acat: an energetic fast rising Type IIb supernova

SN 2020cpg: an energetic link between Type IIb and Ib supernovae

Strong Carbon Features and a Red Early Color in the Underluminous Type Ia SN 2022xkq

Strong Near-infrared Carbon Absorption in the Transitional Type Ia SN 2015bp*

Strongly bipolar inner ejecta of the normal Type IIP supernova ASASSN-16at ⬇️

Supernova 2013fc in a circumnuclear ring of a luminous infrared galaxy: the big brother of SN 1998S ⬇️

The Cow: Discovery of a Luminous, Hot, and Rapidly Evolving Transient ⬇️

The Early Detection and Follow-up of the Highly Obscured Type II Supernova 2016ija/DLT16am

The First Data Release of CNIa0.02—A Complete Nearby (Redshift <0.02) Sample of Type Ia Supernova Light Curves*

The Spectroscopic Classification of Astronomical Transients (SCAT) Survey: Overview, Pipeline Description, Initial Results, and Future Plans

The delay of shock breakout due to circumstellar material evident in most type II supernovae

The fast, luminous ultraviolet transient AT2018cow: extreme supernova, or disruption of a star by an intermediate-mass black hole?

The superluminous transient ASASSN-15lh as a tidal disruption event from a Kerr black hole ⬇️

The whisper of a whimper of a bang: 2400 d of the Type Ia SN 2011fe reveals the decay of 55Fe

Transitional events in the spectrophotometric regime between stripped envelope and superluminous supernovae

Two transitional type Ia supernovae located in the Fornax cluster member NGC 1404: SN 2007on and SN 2011iv

Weak Mass Loss from the Red Supergiant Progenitor of the Type II SN 2021yja

A nearby super-luminous supernova with a long pre-maximum & “plateau” and strong C II features