Articles by A. J. Levan

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A. J. Levan

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137

Binary neutron star merger offsets from their host galaxies. GW 170817 as a case study

25 October 2024 by Nicola Gaspari and others

High Energy Astrophysical Phenomena

Multi-wavelength observations of the Luminous Fast Blue Optical Transient AT2023fhn

22 October 2024 by A. Chrimes and others

High Energy Astrophysical Phenomena, Solar and Stellar Astrophysics

AT2018fyk: Candidate Tidal Disruption Event by a (Super)massive Black Hole Binary

29 July 2024 by Sophia Wen and others

High Energy Astrophysical Phenomena

Investigating the off-axis GRB afterglow scenario for extragalactic fast X-ray transients

8 July 2024 by H. C. I. Wichern and others

High Energy Astrophysical Phenomena

The host of GRB 171205A in 3D -- A resolved multiwavelength study of a rare grand-design spiral GRB host

24 June 2024 by C. Thöne and others

High Energy Astrophysical Phenomena, Cosmology and Nongalactic Astrophysics

Soft X-ray prompt emission from a high-redshift gamma-ray burst EP240315a

25 April 2024 by Yunxin Liu and others

High Energy Astrophysical Phenomena

A Hubble Space Telescope Search for r-Process Nucleosynthesis in Gamma-ray Burst Supernovae

9 April 2024 by J. Rastinejad and others at

ASTRON

High Energy Astrophysical Phenomena

Fires in the deep: The luminosity distribution of early-time gamma-ray-burst afterglows in light of the Gamow Explorer sensitivity requirements

29 February 2024 by David Alexander Kann and others

High Energy Astrophysical Phenomena, Instrumentation and Methods for Astrophysics

Probing a Magnetar Origin for the population of Extragalactic Fast X-ray Transients detected by Chandra

2 January 2024 by Jonathan Quirola-Vásquez and others

High Energy Astrophysical Phenomena

XMM-Newton-discovered Fast X-ray Transients: Host galaxies and limits on contemporaneous detections of optical counterparts

17 December 2023 by Deepak Eappachen and others

High Energy Astrophysical Phenomena

AT2023fhn (the Finch): a Luminous Fast Blue Optical Transient at a large offset from its host galaxy

3 October 2023 by A. Chrimes and others

High Energy Astrophysical Phenomena, Astrophysics of Galaxies

A search for the afterglows, kilonovae, and host galaxies of two short GRBs: GRB 211106A and GRB 211227A

6 September 2023 by Matteo Ferro and others

High Energy Astrophysical Phenomena

GRB 201015A and the nature of low-luminosity soft gamma-ray bursts

23 May 2023 by M. Patel and others

High Energy Astrophysical Phenomena

Extragalactic FXT Candidates Discovered by Chandra (2014-2022)

26 April 2023 by Jonathan Quirola-Vásquez and others at

ASTRON

High Energy Astrophysical Phenomena

Searching for ejected supernova companions in the era of precise proper motion and radial velocity measurements

5 April 2023 by A. Chrimes and others

High Energy Astrophysical Phenomena, Solar and Stellar Astrophysics

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

29 March 2023 by Iv'An Agudo and others

High Energy Astrophysical Phenomena, Solar and Stellar Astrophysics

The first JWST spectrum of a GRB afterglow: No bright supernova in observations of the brightest GRB of all time, GRB 221009A

22 March 2023 by A. Levan and others

High Energy Astrophysical Phenomena

The Fast X-ray Transient XRT 210423 and its Host Galaxy

3 March 2023 by Deepak Eappachen and others

High Energy Astrophysical Phenomena

The brightest GRB ever detected: GRB 221009A as a highly luminous event at z = 0.151

15 February 2023 by Daniele Bjørn Malesani and others

High Energy Astrophysical Phenomena

Dissecting the interstellar medium of a z=6.3 galaxy: X-shooter spectroscopy and HST imaging of the afterglow and environment of the Swift GRB 210905A

10 January 2023 by Andrea Saccardi and others

Astrophysics of Galaxies, High Energy Astrophysical Phenomena

The case for a minute-long merger-driven gamma-ray burst from fast-cooling synchrotron emission

14 December 2022 by B. Gompertz and others

High Energy Astrophysical Phenomena

A blast from the infant Universe: the very high-z GRB 210905A

4 August 2022 by Andrea Rossi and others

High Energy Astrophysical Phenomena

A Kilonova Following a Long-Duration Gamma-Ray Burst at 350 Mpc

20 July 2022 by J. Rastinejad and others

High Energy Astrophysical Phenomena

The fall of CSS100217: a tidal disruption-induced low state in an apparently hostless active galactic nucleus

15 July 2022 by Giacomo Cannizzaro and others

High Energy Astrophysical Phenomena

Exploring compact binary merger host galaxies and environments with \rm{zELDA}

30 June 2022 by Soheb Mandhai and others

High Energy Astrophysical Phenomena

Towards an understanding of long gamma-ray burst environments through circumstellar medium population synthesis predictions

27 June 2022 by A. Chrimes and others

High Energy Astrophysical Phenomena

VLBI observations of GRB 201015A, a relatively faint GRB with a hint of Very High Energy gamma-ray emission

25 May 2022 by Stefano Giarratana and others

High Energy Astrophysical Phenomena

Where are the magnetar binary companions? Candidates from a comparison with binary population synthesis predictions

5 May 2022 by A. Chrimes and others

High Energy Astrophysical Phenomena

Extragalactic fast X-ray transient candidates discovered by Chandra (2000-2014)

29 April 2022 by Jonathan Quirola-Vasquez and others

High Energy Astrophysical Phenomena

New candidates for magnetar counterparts from a deep search with the Hubble Space Telescope

28 March 2022 by A. Chrimes and others

High Energy Astrophysical Phenomena

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High Energy Astrophysical Phenomena Cosmology and Nongalactic Astrophysics Astrophysics of Galaxies Solar and Stellar Astrophysics Instrumentation and Methods for Astrophysics General Relativity and Quantum Cosmology