activity
20192024
most citedThe Birth of a Relativistic Jet Following the Disruption of a Star by a Cosmological Black Hole

82 citations · 428 across the 21 of their papers we have counts for

collaborators

21 papers

astro-ph.SR2024★ 6 cited

A study in scarlet -- II. Spectroscopic properties of a sample of Intermediate Luminosity Red Transients

G. Valerin, A. Pastorello, E. Mason +65

We investigate the spectroscopic characteristics of Intermediate Luminosity Red Transients (ILRTs), a class of elusive objects with peak luminosity between that of classical novae…

astro-ph.SR2024★ 8 cited

A study in scarlet -- I. Photometric properties of a sample of Intermediate Luminosity Red Transients

G. Valerin, A. Pastorello, A. Reguitti +57

We investigate the photometric characteristics of a sample of Intermediate Luminosity Red Transients (ILRTs), a class of elusive objects with peak luminosity between that of classi…

astro-ph.SR2024★ 10 cited

SN 2020pvb: a Type IIn-P supernova with a precursor outburst

Nancy Elias-Rosa, Seán J. Brennan, Stefano Benetti +37

We present photometric and spectroscopic data sets for SN 2020pvb, a Type IIn-P supernova (SN) similar to SNe 1994W, 2005cl, 2009kn and 2011ht, with a precursor outburst detected (…

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…

astro-ph.HE2023★ 7 cited

SN 2020zbf: A fast-rising hydrogen-poor superluminous supernova with strong carbon lines

A. Gkini, R. Lunnan, S. Schulze +24

SN\,2020zbf is a hydrogen-poor superluminous supernova (SLSN) at that shows conspicuous \ion{C}{II} features at early times, in contrast to the majority of H-poor SLSN…

astro-ph.HE2023★ 1 cited

Rapidly Evolving Transients in Archival ZTF Public Alerts

Wenxiong Li, Iair Arcavi, Ehud Nakar +7

We search the archival Zwicky Transient Facility public survey for rapidly evolving transient (RET) candidates based on well-defined criteria between 2018 May and 2021 December. Th…

astro-ph.HE2023★ 9 cited

Photometric study of the late-time near-infrared plateau in Type Ia supernovae

M. Deckers, O. Graur, K. Maguire +23

We present an in-depth study of the late-time near-infrared plateau in Type Ia supernovae (SNe Ia), which occurs between 70-500 d. We double the existing sample of SNe Ia observed…

astro-ph.HE2022★ 82 cited

The Birth of a Relativistic Jet Following the Disruption of a Star by a Cosmological Black Hole

Dheeraj R. Pasham, Matteo Lucchini, Tanmoy Laskar +63

A black hole can launch a powerful relativistic jet after it tidally disrupts a star. If this jet fortuitously aligns with our line of sight, the overall brightness is Doppler boos…

astro-ph.HE2022

A long life of excess: The interacting transient SN 2017hcc

S. Moran, M. Fraser, R. Kotak +29

In this study we present the results of a five-year follow-up campaign of the long-lived type IIn supernova SN 2017hcc, found in a spiral dwarf host of near-solar metallicity. The…

astro-ph.HE2022★ 13 cited

Panning for gold, but finding helium: discovery of the ultra-stripped supernova SN2019wxt from gravitational-wave follow-up observations

I. Agudo, L. Amati, T. An +96

We present the results from multi-wavelength observations of a transient discovered during the follow-up of S191213g, a gravitational wave (GW) event reported by the LIGO-Virgo Col…

astro-ph.HE2022★ 17 cited

The impostor revealed: SN 2016jbu was a terminal explosion

S. J. Brennan, N. Elias-Rosa, M. Fraser +2

In this letter, we present recent observations from the Hubble Space Telescope of the interacting transient, SN 2016jbu, at +5 years. We find no evidence for any additional outburs…

astro-ph.SR2022★ 18 cited

SN 2021foa, a transitional event between a Type IIn (SN 2009ip-like) and a Type Ibn supernova

A. Reguitti, A. Pastorello, G. Pignata +16

We present photometric and spectroscopic data of the unusual interacting supernova (SN) 2021foa. It rose to an absolute magnitude peak of mag in 20 days. The initial ligh…

astro-ph.HE2022★ 21 cited

Probing for the host galaxies of the fast X-ray transients XRT 000519 and XRT 110103

D. Eappachen, P. G. Jonker, M. Fraser +13

Over the past few years, 30 extragalactic fast X-ray transients (FXRTs) have been discovered, mainly in Chandra and XMM-Newton data. Their nature remains unclear, with propos…

astro-ph.HE2022★ 36 cited

SN 2018bsz: a Type I superluminous supernova with aspherical circumstellar material

M. Pursiainen, G. Leloudas, E. Paraskeva +26

We present a spectroscopic analysis of Type I superluminous supernova (SLSN-I), SN 2018bsz. While it closely resembles SLSNe-I, the multi-component H line appearing at …

astro-ph.IM2022★ 59 cited

The Automated Photometry Of Transients (AutoPhOT) pipeline

S. J. Brennan, M. Fraser

We present the Automated Photometry Of Transients (AutoPhOT) package, a novel automated pipeline that is designed for rapid, publication-quality photometry of astronomical transien…

astro-ph.HE2021★ 2 cited

How low can you go? SN 2018zd as a low-mass Fe core-collapse supernova

E. Callis, M. Fraser, A. Pastorello +38

We present spectroscopy and photometry of SN 2018zd, a Type IIP core-collapse supernova with signatures of interaction with circumstantial material in its earliest spectra. High io…

astro-ph.HE2021★ 10 cited

SN 2018bsz: significant dust formation in a nearby superluminous supernova

T. -W. Chen, S. J. Brennan, R. Wesson +41

We investigate the thermal emission and the extinction from dust associated with the nearby (z = 0.0267) superluminous supernova (SLSN) 2018bsz. Our dataset combines daily-cadence,…

astro-ph.SR2021★ 9 cited

SN 2021csp -- the explosion of a stripped envelope star within a H and He-poor circumstellar medium

Morgan Fraser, Maximilian D. Stritzinger, Sean J. Brennan +48

We present observations of SN 2021csp, a unique supernova (SN) which displays evidence for interaction with H- and He- poor circumstellar material (CSM) at early times. Using high-…

astro-ph.HE2021★ 24 cited

Progenitor, environment, and modelling of the interacting transient, AT 2016jbu (Gaia16cfr)

S. J. Brennan, M. Fraser, J. Johansson +67

We present the bolometric lightcurve, identification and analysis of the progenitor candidate, and preliminary modelling of AT2016jbu (Gaia16cfr). We find a progenitor consistent w…

astro-ph.SR2021★ 29 cited

Photometric and spectroscopic evolution of the interacting transient AT 2016jbu (Gaia16cfr)

S. J. Brennan, M. Fraser, J. Johansson +68

We present the results from a high cadence, multi-wavelength observation campaign of AT 2016jbu (aka Gaia16cfr), an interacting transient. This dataset complements the current lite…

astro-ph.HE2019★ 52 cited

The transitional gap transient AT 2018hso: new insights on the luminous red nova phenomenon

Y-Z. Cai, A. Pastorello, M. Fraser +20

Aims: AT 2018hso is a new transient showing transitional properties between those of LRNe and the class of intermediate luminosity red transients (ILRTs) similar to SN 2008S. Throu…