activity
20232026
most citedZTF SN Ia DR2: Colour standardisation of Type Ia Supernovae and its dependence on environment

23 citations · 88 across the 21 of their papers we have counts for

collaborators

22 papers

astro-ph.SR2026

SN 2024afyu interpreted as a Pair Instability Supernova

P. J. Pessi, S. Barmentloo, Ł. Wyrzykowski +63

Pair-instability supernovae (PISNe) are the predicted explosions of very massive stars triggered by electron-positron pair production. Numerous transients have been proposed as PIS…

astro-ph.HE2026

Peak 'Nebular' Emission and Early Flux Excesses in Ca-strong Supernovae

C. -G. Touchard-Paxton, K. Maguire, C. Frohmaier +27

Calcium-strong supernovae (Ca-strong SNe) are a class of thermonuclear transient characterised by rapid photometric evolution (rise times of <= 16 d) and nebular-phase spectra domi…

astro-ph.GA2026

An analysis of the Type Ia SN 2024gy and a comparison of different host extinction estimation techniques

Jacco H. Terwel, Kate Maguire, Cillian O'Donnell +38

Type Ia supernovae (SNe Ia) are well-known standardisable candles, and are one of the main ways to measure the distance to their host galaxies. However, extinction due to interstel…

astro-ph.CO2026

Illuminating the Local Universe: Large-Scale Structure from ZTF Type Ia Supernovae

Antoine Gilles Lordet, Ariel Goobar, Jens Jasche +12

Within the volume-limited subsample at of the Zwicky Transient Facility (ZTF) DR2 sample, we confirm a statistically significant excess of Type Ia supernovae (SNe Ia) arou…

astro-ph.IM2026

Photometric classification of supernovae detected by the Zwicky Transient Facility using noise augmentation

A. Townsend, J. Nordin, M. Kowalski +27

Modern time-domain surveys, such as the Zwicky Transient Facility (ZTF), detect far more extragalactic transients than can be spectroscopically classified. Photometric classificati…

astro-ph.HE2026

The nearby He-rich superluminous supernova SN 2021bnw during photospheric phases

A. Fiore, A. Kozyreva, L. Yan +40

Aim. We present and interpret the data of the nearby hydrogen-deficient but helium-rich superluminous supernova SN 2021bnw which reached a magnitude of -20.7 at maximum luminosity…

astro-ph.CO2026

Study of the anisotropy of cosmic expansion on ZTF type Iasupernovae simulations

C. Barjou-Delayre, P. Rosnet, C. Ravoux +29

The cosmological principle assumes the isotropy of the Universe at large scales. It is a foundational assumption in the CDM model, which is the current standard model of cosmolo…

astro-ph.CO2025

ZTF-SEDm Type Ia supernova sample for Twins Embedding spectrophotometric standardization

C. Ganot, Y. Copin, M. Rigault +26

This paper has two aims: the first aim is to build a large homogeneous spectrophotometric sample of Type Ia supernovae (SNe Ia), using 3069 spectra from the second data release of…

astro-ph.HE2025

Spectroscopic Classification of Extragalactic Transients from CRTS

A. J. Drake, S. G. Djorgovski, M. J. Graham +5

The Catalina Real-time Transient Survey (CRTS) carried out a public survey for optical transients between 2007 and 2019, discovering more than 16,000 transient candidates. Here we…

astro-ph.CO2025

ZTF SNe Ia DR2: Towards cosmology-grade ZTF supernova light curves using scene modeling photometry

L. Lacroix, N. Regnault, T. de Jaeger +36

The Zwicky Transient Facility (ZTF) is conducting a wide-field survey of the northern sky in three optical bands and the collaboration cosmology working group has released 3628 spe…

astro-ph.GA2025★ 2 cited

ZTF SN Ia DR2 follow-up: Exploring the origin of the Type Ia supernova host galaxy step through Si II velocities

U. Burgaz, K. Maguire, L. Galbany +18

The relationship between Type Ia supernovae (SNe Ia) and their host galaxy stellar masses is well documented. In particular, Hubble residuals display a luminosity shift based on ho…

astro-ph.SR2025

Eclipsing white dwarf from the Zwicky Transient Facility: II. Seven eclipsing double white dwarfs

J. van Roestel, K. Burdge, I. Caiazzo +15

In a systematic search for eclipsing white dwarfs using Zwicky transient facility (ZTF) data, we found seven eclipsing double white dwarfs with orbital periods ranging from 45 minu…

astro-ph.HE2025

Precursor Activity Preceding Interacting Supernovae I: Bridging the Gap with SN 2022mop

S. J. Brennan, S. Barmentloo, S. Schulze +41

Over the past two decades, an increasing number of transients have shown luminous activity at their explosion sites weeks to years before an interacting supernova (SN) is observed.…

astro-ph.SR2024★ 8 cited

Cyclotron emitting magnetic white dwarfs in post common envelope binaries discovered with the Zwicky Transient Facility

J. van Roestel, A. C. Rodriguez, P. Szkody +20

We present the discovery of 14 new (and recovery of 4 known) low accretion rate magnetic white dwarfs in post-common envelope binaries that emit strong cyclotron emission using the…

astro-ph.HE2024★ 6 cited

ZTF SN Ia DR2: Properties of the low-mass host galaxies of Type Ia supernovae in a volume-limited sample

U. Burgaz, K. Maguire, G. Dimitriadis +25

In this study, we explore the characteristics of `low-mass' () and `intermediate-mass' () host galaxies o…

astro-ph.HE2024★ 15 cited

Sample of hydrogen-rich superluminous supernovae from the Zwicky Transient Facility

P. J. Pessi, R. Lunnan, J. Sollerman +26

Hydrogen-rich superluminous supernovae (SLSNe II) are rare. The exact mechanism producing their extreme light curve peaks is not understood. Analysis of single events and small sam…

astro-ph.HE2024

Optical and Radio Analysis of Systematically Classified Broad-lined Type Ic Supernovae from the Zwicky Transient Facility

Gokul P. Srinivasaragavan, Sheng Yang, Shreya Anand +35

We study a magnitude-limited sample of 36 Broad-lined Type Ic Supernovae (SNe Ic-BL) from the Zwicky Transient Facility Bright Transient Survey (detected between March 2018 and Aug…

astro-ph.HE2024★ 14 cited

ZTF SN Ia DR2: The spectral diversity of Type Ia supernovae in a volume-limited sample

U. Burgaz, K. Maguire, G. Dimitriadis +30

More than 3000 spectroscopically confirmed Type Ia supernovae (SNe Ia) are presented in the Zwicky Transient Facility SN Ia Data Release 2 (ZTF DR2). In this paper, we detail the s…

astro-ph.HE2024★ 1 cited

A systematically-selected sample of luminous, long-duration, ambiguous nuclear transients

P. Wiseman, R. D. Williams, I. Arcavi +12

We present a search for luminous, long-duration ambiguous nuclear transients (ANTs) similar to the unprecedented discovery of the extreme, ambiguous event AT2021lwx with a \,…

astro-ph.CO2024★ 23 cited

ZTF SN Ia DR2: Colour standardisation of Type Ia Supernovae and its dependence on environment

M. Ginolin, M. Rigault, Y. Copin +37

As type Ia supernova (SN Ia) cosmology transitions from a statistics-dominated to a systematics-dominated era, it is crucial to understand the remaining unexplained uncertainties t…

astro-ph.SR2023★ 4 cited

Four new eclipsing accreting ultracompact white dwarf binaries found with the Zwicky Transient Facility

J. M. Khalil, J. van Roestel, E. C. Bellm +10

Context. Accreting ultracompact binaries contain a white dwarf that is accreting from a degenerate object and have orbital periods shorter than 65 minutes. Aims. The aims of this l…

astro-ph.HE2023★ 15 cited

SN 2021adxl: A luminous nearby interacting supernova in an extremely low metallicity environment

S. J. Brennan, S. Schulze, R. Lunnan +17

SN 2021adxl is a slowly evolving, luminous, Type IIn supernova with asymmetric emission line profiles, similar to the well-studied SN 2010jl. We present extensive optical, near-ult…