Re-evaluating old stellar populations

ER Stanway, JJ Eldridge - Monthly Notices of the Royal …, 2018 - academic.oup.com
Determining the properties of old stellar populations (those with age> 1 Gyr) has long
involved the comparison of their integrated light, either in the form of photometry or …

A cool and inflated progenitor candidate for the Type Ib supernova 2019yvr at 2.6 yr before explosion

CD Kilpatrick, MR Drout, K Auchettl… - Monthly Notices of …, 2021 - academic.oup.com
ABSTRACT We present Hubble Space Telescope imaging of a pre-explosion counterpart to
SN 2019yvr obtained 2.6 yr before its explosion as a type Ib supernova (SN Ib). Aligning to a …

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

SJ Prentice, C Ashall, PA James, L Short… - Monthly Notices of …, 2019 - academic.oup.com
We present observations and analysis of 18 stripped-envelope supernovae observed during
2013–2018. This sample consists of five H/He-rich SNe, six H-poor/He-rich SNe, three …

A 12.4-day periodicity in a close binary system after a supernova

P Chen, A Gal-Yam, J Sollerman, S Schulze, RS Post… - Nature, 2024 - nature.com
Neutron stars and stellar-mass black holes are the remnants of massive star explosions.
Most massive stars reside in close binary systems, and the interplay between the companion …

Type II-P supernova progenitor star initial masses and SN 2020jfo: direct detection, light-curve properties, nebular spectroscopy, and local environment

CD Kilpatrick, L Izzo, RO Bentley… - Monthly Notices of …, 2023 - academic.oup.com
We present optical, ultraviolet, and infrared data of the type II supernova (SN II) 2020jfo at
14.5 Mpc. This wealth of multiwavelength data allows us to compare different metrics …

From core collapse to superluminous: the rates of massive stellar explosions from the Palomar Transient Factory

C Frohmaier, CR Angus, M Vincenzi… - Monthly Notices of …, 2021 - academic.oup.com
We present measurements of the local core-collapse supernova (CCSN) rate using SN
discoveries from the Palomar Transient Factory (PTF). We use a Monte Carlo simulation of …

SN 2009ip after a decade: the luminous blue variable progenitor is now gone

N Smith, JE Andrews, AV Filippenko… - Monthly Notices of …, 2022 - academic.oup.com
ABSTRACT We present new Hubble Space Telescope (HST) imaging photometry for the
site of the Type IIn supernova (SN) 2009ip taken almost a decade after explosion. The …

Binary-stripped stars as core-collapse supernovae progenitors

D Vartanyan, E Laplace, M Renzo… - The Astrophysical …, 2021 - iopscience.iop.org
Most massive stars experience binary interactions in their lifetimes that can alter both the
surface and core structure of the stripped star with significant effects on their ultimate fate as …

A UV census of the environments of stripped-envelope supernovae

NC Sun, JR Maund, PA Crowther - Monthly Notices of the Royal …, 2023 - academic.oup.com
This paper reports an environmental analysis of 41 uniformly selected stripped-envelope
supernovae (SESNe) based on deep ultraviolet–optical images acquired by the Hubble …

An environmental analysis of the Type Ib SN 2019yvr and the possible presence of an inflated binary companion

NC Sun, JR Maund, PA Crowther, R Hirai… - Monthly Notices of …, 2022 - academic.oup.com
ABSTRACT SN 2019yvr is the second Type Ib supernova (SN) with a possible direct
detection of its progenitor (system); however, the spectral energy distribution (SED) of the …