Articles by Andrew Levan

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Andrew Levan

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Neutral Fraction of Hydrogen in the Intergalactic Medium Surrounding High-Redshift Gamma-Ray Burst 210905A

12 December 2024 by H. Fausey and others

High Energy Astrophysical Phenomena

New JWST redshifts for the host galaxies of CDF-S XT1 and XT2: understanding their nature

13 October 2024 by Jonathan Quirola-Vásquez and others

High Energy Astrophysical Phenomena

\textit{Kilonova Seekers}: the GOTO project for real-time citizen science in time-domain astrophysics

24 July 2024 by T. Killestein and others

Instrumentation and Methods for Astrophysics, High Energy Astrophysical Phenomena

HI and CO spectroscopy of the unusual host of GRB 171205A: A grand design spiral galaxy with a distorted HI field

25 June 2024 by A. De Ugarte Postigo and others

High Energy Astrophysical Phenomena, Cosmology and Nongalactic Astrophysics

Comparing emission- and absorption-based gas-phase metallicities in GRB host galaxies at z=2-4 using JWST

15 April 2024 by Patricia Schady and others

Astrophysics of Galaxies

AT2019pim: A Luminous Orphan Afterglow from a Moderately Relativistic Outflow

29 January 2024 by Daniel Perley and others

High Energy Astrophysical Phenomena

Photometric Redshift Estimation for Gamma-Ray Bursts from the Early Universe

4 October 2023 by H. Fausey and others

Instrumentation and Methods for Astrophysics, High Energy Astrophysical Phenomena

Identification of 1RXS J165424.6-433758 as a polar cataclysmic variable

10 September 2023 by B. O'Connor and others

High Energy Astrophysical Phenomena

The cosmic build-up of dust and metals. Accurate abundances from GRB-selected star-forming galaxies at 1.7 < z < 6.3

28 August 2023 by Kasper Elm Heintz and others

Astrophysics of Galaxies, High Energy Astrophysical Phenomena

Swift Deep Galactic Plane Survey Classification of Swift J170800-402551.8 as a Candidate Intermediate Polar Cataclysmic Variable

28 August 2023 by B. O'Connor and others

High Energy Astrophysical Phenomena, Astrophysics of Galaxies

The ultra-long GRB 220627A at z=3.08

19 July 2023 by S. Wet and others

High Energy Astrophysical Phenomena

JWST detection of heavy neutron capture elements in a compact object merger

5 July 2023 by Andrew Levan and others

High Energy Astrophysical Phenomena, Cosmology and Nongalactic Astrophysics

GRB 191019A: a short gamma-ray burst in disguise from the disk of an active galactic nucleus

26 April 2023 by Davide Lazzati and others

High Energy Astrophysical Phenomena, Cosmology and Nongalactic Astrophysics

The Radio to GeV Afterglow of GRB 221009A

23 February 2023 by Tanmoy Laskar and others

High Energy Astrophysical Phenomena

The triple-peaked afterglow of GRB 210731A from X-ray to radio frequencies

27 January 2023 by S. Wet and others

High Energy Astrophysical Phenomena

A very luminous jet from the disruption of a star by a massive black hole

29 November 2022 by Igor Andreoni and others

High Energy Astrophysical Phenomena

Inhomogeneous Jets from Neutron Star Mergers: One Jet to Rule them all

28 October 2022 by Gavin Lamb and others

High Energy Astrophysical Phenomena, General Relativity and Quantum Cosmology

Short GRB Host Galaxies. II. A Legacy Sample of Redshifts, Stellar Population Properties, and Implications for their Neutron Star Merger Origins

30 September 2022 by Anya Nugent and others

Astrophysics of Galaxies, High Energy Astrophysical Phenomena

Self-Supervised Clustering on Image-Subtracted Data with Deep-Embedded Self-Organizing Map

14 September 2022 by Yik-Lun Mong and others

Computer Vision and Pattern Recognition, Instrumentation and Methods for Astrophysics

Short GRB Host Galaxies I: Photometric and Spectroscopic Catalogs, Host Associations, and Galactocentric Offsets

3 June 2022 by Wen-Fai Fong and others

Astrophysics of Galaxies, High Energy Astrophysical Phenomena

Target of Opportunity Observations of Gravitational Wave Events with Vera C. Rubin Observatory

20 April 2022 by Igor Andreoni and others

High Energy Astrophysical Phenomena

Searching For Fermi GRB Optical Counterparts With The Prototype Gravitational-Wave Optical Transient Observer (GOTO)

26 August 2021 by Yik-Lun Mong and others

High Energy Astrophysical Phenomena

Light curve classification with recurrent neural networks for GOTO: dealing with imbalanced data

25 May 2021 by U. Burhanudin and others

Instrumentation and Methods for Astrophysics

Processing GOTO data with the Rubin Observatory LSST Science Pipelines II: Forced Photometry and light curves

11 May 2021 by Lydia Makrygianni and others

Instrumentation and Methods for Astrophysics

GRB 180418A: A possibly-short GRB with a wide-angle outflow in a faint host galaxy

25 March 2021 by Alicia Rouco Escorial and others

High Energy Astrophysical Phenomena

Transient-optimised real-bogus classification with Bayesian Convolutional Neural Networks -- sifting the GOTO candidate stream

19 February 2021 by T. Killestein and others

Instrumentation and Methods for Astrophysics, High Energy Astrophysical Phenomena

Processing GOTO data with the Rubin Observatory LSST Science Pipelines I : Production of coadded frames

28 October 2020 by J. Mullaney and others at

University of Sheffield

Instrumentation and Methods for Astrophysics

Machine Learning for Transient Recognition in Difference Imaging With Minimum Sampling Effort

13 October 2020 by Yik-Lun Mong and others

Instrumentation and Methods for Astrophysics

Discovery of the optical afterglow and host galaxy of short GRB181123B at z =1.754: Implications for Delay Time Distributions

7 July 2020 by Kenny Paterson and others

High Energy Astrophysical Phenomena

Local starburst conditions and formation of GRB 980425 / SN 1998bw within a collisional ring

2 July 2020 by Maryam Arabsalmani and others

Astrophysics of Galaxies, High Energy Astrophysical Phenomena

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High Energy Astrophysical Phenomena Astrophysics of Galaxies Instrumentation and Methods for Astrophysics Cosmology and Nongalactic Astrophysics Solar and Stellar Astrophysics General Relativity and Quantum Cosmology Computer Vision and Pattern Recognition Cell Biology