Type Ia Supernova Explosions in Binary Systems: A Review

ZW Liu, FK Röpke, Z Han - Research in Astronomy and …, 2023 - iopscience.iop.org
Abstract Type Ia supernovae (SNe Ia) play a key role in the fields of astrophysics and
cosmology. It is widely accepted that SNe Ia arise from thermonuclear explosions of white …

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

JM DerKacy, C Ashall, P Hoeflich… - The Astrophysical …, 2023 - iopscience.iop.org
We present a JWST/MIRI low-resolution mid-infrared (MIR) spectroscopic observation of the
normal Type Ia supernova (SN Ia) SN 2021aefx at+ 323 days past rest-frame B-band …

A JWST near-and mid-infrared nebular spectrum of the type Ia supernova 2021aefx

LA Kwok, SW Jha, T Temim, OD Fox… - The Astrophysical …, 2023 - iopscience.iop.org
We present JWST near-infrared (NIR) and mid-infrared (MIR) spectroscopic observations of
the nearby normal Type Ia supernova (SN) SN 2021aefx in the nebular phase at+ 255 days …

Four Years of Type Ia Supernovae Observed by TESS: Early-time Light-curve Shapes and Constraints on Companion Interaction Models

MM Fausnaugh, PJ Vallely, MA Tucker… - The Astrophysical …, 2023 - iopscience.iop.org
We present 307 type Ia supernova (SN) light curves from the first 4 yr of the Transiting
Exoplanet Survey Satellite mission. We use this sample to characterize the shapes of the …

SN 2021zny: an early flux excess combined with late-time oxygen emission suggests a double white dwarf merger event

G Dimitriadis, K Maguire… - Monthly Notices of …, 2023 - academic.oup.com
We present a photometric and spectroscopic analysis of the ultraluminous and slowly
evolving 03fg-like Type Ia SN 2021zny. Our observational campaign starts from∼ 5.3 h after …

Possible circumstellar interaction origin of the early excess emission in thermonuclear supernovae

M Hu, L Wang, X Wang, L Wang - Monthly Notices of the Royal …, 2023 - academic.oup.com
ABSTRACT Type Ia supernovae (SNe Ia) arise from the thermonuclear explosion in binary
systems involving carbon–oxygen white dwarfs (WDs). The pathway of WDs acquiring mass …

Nebular spectra from Type Ia supernova explosion models compared to JWST observations of SN 2021aefx

S Blondin, L Dessart, DJ Hillier… - Astronomy & …, 2023 - aanda.org
Context. Recent JWST observations of the Type Ia supernova (SN Ia) 2021aefx in the
nebular phase have paved the way for late-time studies covering the full optical to mid …

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

JM DerKacy, S Paugh, E Baron… - Monthly Notices of …, 2023 - academic.oup.com
We present ultraviolet (UV) to near-infrared (NIR) observations and analysis of the nearby
Type Ia supernova SN 2021fxy. Our observations include UV photometry from Swift/UVOT …

The origin and evolution of the normal Type Ia SN 2018aoz with infant-phase reddening and excess emission

YQ Ni, DS Moon, MR Drout, A Polin… - The Astrophysical …, 2023 - iopscience.iop.org
SN 2018aoz is a Type Ia SN with a B-band plateau and excess emission in infant-phase
light curves≲ 1 day after the first light, evidencing an over-density of surface iron-peak …

Origin of High-velocity Ejecta, Excess Emission, and Redward Color Evolution in the Infant Type Ia Supernova 2021aefx

YQ Ni, DS Moon, MR Drout, CD Matzner… - The Astrophysical …, 2023 - iopscience.iop.org
SN 2021aefx is a normal Type Ia supernova (SN) showing excess emission and redward
color evolution over the first∼ 2 days. We present analyses of this SN using our high …