The statistical era of strong gravitational lensing cosmology

Project Information

LensEra

Grant agreement ID: 945536

DOI

10.3030/945536

EC signature date 3 December 2020

Start date 1 August 2021

End date 31 July 2026

Funded under

• EXCELLENT SCIENCE - European Research Council (ERC)

Total cost

€ 1 794 707,00

EU contribution

€ 1 794 707,00

Coordinated by

UNIVERSITY OF PORTSMOUTH HIGHER EDUCATION CORPORATION
United Kingdom

CORDIS provides links to public deliverables and publications of HORIZON projects.

Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Publications

Peer reviewed articles (29)

iPTF16geu through the lens of thermonuclear explosion models

Author(s): Ana Sainz de Murieta, Mark R Magee, Tian Li, Thomas E Collett, Joel Johansson
Published in: Monthly Notices of the Royal Astronomical Society, Issue 546, 2026, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stag091

Strong gravitational lenses from the Vera C. Rubin Observatory

Author(s): Anowar J. Shajib, Graham P. Smith, Simon Birrer, Aprajita Verma, Nikki Arendse, Thomas Collett, Tansu Daylan, Stephen Serjeant, null null
Published in: Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Issue 383, 2025, ISSN 1364-503X
Publisher: Royal Society of London
DOI: 10.1098/rsta.2024.0117

The detection efficiency of Type Ia supernovae from the Zwicky Transient Facility: limits on the intrinsic rate of early flux excesses

Author(s): M R Magee; C Cuddy; K Maguire; M Deckers; S Dhawan; C Frohmaier; A A Miller; J Nordin; M W Coughlin; F Feinstein; R Riddle
Published in: Monthly Notices of the Royal Astronomical Society, Issue 1, 2020, ISSN 1365-2966
Publisher: RAS
DOI: 10.48550/arxiv.2204.09705

A search for gravitationally lensed supernovae within the Zwicky transient facility public survey

Author(s): M R Magee; A Sainz de Murieta; T E Collett; W Enzi
Published in: MNRAS, Issue 1, 2023, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stad2263

Euclid Quick Data Release (Q1). From simulations to sky: Advancing machine-learning lens detection with real Euclid data

Author(s): null null, N. E. P. Lines, T. E. Collett, P. Holloway, K. Rojas, S. Schuldt, R. B. Metcalf, T. Li, A. Verma, G. Despali, F. Courbin, R. Gavazzi, C. Tortora, B. Clément, N. Aghanim, B. Altieri, L. Amendola, S. Andreon, N. Auricchio, C. Baccigalupi, M. Baldi, A. Balestra, S. Bardelli, P. Battaglia, A. Biviano, E. Branchini, M. Brescia, S. Camera, G. Cañas-Herrera, V. Capobianco, C. Carbone, J. Car
Published in: Astronomy & Astrophysics, 2026, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202558456

"SN Zwicky: uncovering a population of gravitational lens galaxies with magnified ""standard candles"""

Author(s): Goobar, Ariel; Johansson, Joel; Schulze, Steve; Arendse, Nikki; Carracedo, Ana Sagués; Dhawan, Suhail; Mörtsell, Edvard; Fremling, Christoffer; Yan, Lin; Perley, Daniel; Sollerman, Jesper; Joseph, Rémy; Hinds, K-Ryan; Meynardie, William; Andreoni, Igor; Bellm, Eric; Bloom, Josh; Collett, Thomas E.; Drake, Andrew; Graham, Matthew; Kasliwal, Mansi; Kulkarni, Shri; Miller, Adam; Neill, James D.; N
Published in: "Nature Astron., 2023, 7 (9), pp.1098-1107. ⟨10.1038/s41550-023-01981-3⟩", Issue 1, 2023, ISSN 2397-3366
Publisher: Nature
DOI: 10.1038/s41550-023-01981-3

LensingETC: A Tool to Optimize Multifilter Imaging Campaigns of Galaxy-scale Strong Lensing Systems

Author(s): Anowar J. Shajib; Karl Glazebrook; Tania Barone; Geraint F. Lewis; Tucker Jones; Kim-Vy H. Tran; Elizabeth Buckley-Geer; Thomas E. Collett; Joshua Frieman; Colin Jacobs
Published in: ApJ, Issue 1, 2022, ISSN 0004-637X
Publisher: University of Chicago Press
DOI: 10.3847/1538-4357/ac927b

A follow-up strategy enabling discovery of electromagnetic counterparts to highly magnified gravitationally lensed gravitational waves

Author(s): Dan Ryczanowski, Jeff Cooke, James Freeburn, Benjamin Gompertz, Christopher Paul Haines, Matt Nicholl, Graham Smith, Natasha Van Bemmel, Jielai Zhang
Published in: Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Issue 383, 2025, ISSN 1364-503X
Publisher: Royal Society of London
DOI: 10.1098/rsta.2024.0118

A GPU code for finding microlensing critical curves and caustics

Author(s): Luke Weisenbach
Published in: Monthly Notices of the Royal Astronomical Society, Issue 541, 2025, Page(s) 3341-3352, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/staf1202

Cosmology from large populations of galaxy–galaxy strong gravitational lenses

Author(s): Tian Li; Thomas E Collett; Coleman M Krawczyk; Wolfgang Enzi
Published in: MNRAS, Issue 527, 3, 2024, 2024, ISSN 1365-2966
Publisher: OUP
DOI: 10.1093/mnras/stad3514

Testing cosmology with double source lensing

Author(s): Sharma, Divij; Collett, Thomas E.; Linder, Eric V.
Published in: JCAP, Issue 04, 2023, Page(s) 001, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2023/04/001

How to break the mass sheet degeneracy with the light curves of microlensed Type Ia supernovae

Author(s): Luke Weisenbach, Thomas Collett, Ana Sainz de Murieta, Coleman Krawczyk, Georgios Vernardos, Wolfgang Enzi, Andrew Lundgren
Published in: Monthly Notices of the Royal Astronomical Society, Issue 531, 2024, Page(s) 4349-4362, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stae1396

Lensed Type Ia supernovae in light of SN Zwicky and iPTF16geu

Author(s): Ana Sainz de Murieta; Thomas E Collett; Mark R Magee; Luke Weisenbach; Coleman M Krawczyk; Wolfgang Enzi
Published in: MNRAS, Issue 1, 2023, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stad3031

Efficient generation of microlensing magnification maps with GPUs

Author(s): Luke Weisenbach
Published in: Monthly Notices of the Royal Astronomical Society, Issue 541, 2025, Page(s) 281-293, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/staf994

Euclid Quick Data Release (Q1). The Strong Lensing Discovery Engine A -- System overview and lens catalogue

Author(s): null null, M. Walmsley, P. Holloway, N. E. P. Lines, K. Rojas, T. E. Collett, A. Verma, T. Li, J. W. Nightingale, G. Despali, S. Schuldt, R. Gavazzi, A. Melo, R. B. Metcalf, I. T. Andika, L. Leuzzi, A. Manjón-García, R. Pearce-Casey, S. H. Vincken, J. Wilde, V. Busillo, C. Tortora, J. A. Acevedo Barroso, H. Dole, L. R. Ecker, J. Pearson, P. J. Marshall, A. More, T. Saifollahi, J. Gracia-Carpio,
Published in: Astronomy & Astrophysics, 2026, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202555141

Euclid Quick Data Release (Q1). The Strong Lensing Discovery Engine C: Finding lenses with machine learning

Author(s): null null, N.E.P. Lines, T.E. Collett, M. Walmsley, K. Rojas, T. Li, L. Leuzzi, A. Manjón-García, S.H. Vincken, J. Wilde, P. Holloway, A. Verma, R.B. Metcalf, I.T. Andika, A. Melo, M. Melchior, H. Domínguez Sánchez, A. Díaz-Sánchez, J.A. Acevedo Barroso, B. Clément, C. Krawczyk, R. Pearce-Casey, S. Serjeant, F. Courbin, G. Despali, R. Gavazzi, S. Schuldt, H. Degaudenzi, L.R. Ecker, W.J.R. E
Published in: Astronomy & Astrophysics, 2025, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202554542

TheAGELSurvey: Spectroscopic Confirmation of Strong Gravitational Lenses in theDESandDECaLSFields Selected Using Convolutional Neural Networks

Author(s): Kim-Vy H. Tran1,2, Anishya Harshan1,2, Karl Glazebrook2,3, G. C. Keerthi Vasan4, Tucker Jones4, Colin Jacobs3,Glenn G. Kacprzak2,3, Tania M. Barone2,3, Thomas E. Collett5, Anshu Gupta6,10, Astrid Henderson1, Lisa J. Kewley2,7,Sebastian Lopez8, Themiya Nanayakkara2,3, Ryan L. Sanders4, and Sarah M. Sweet
Published in: ApJ, 2022, ISSN 0004-637X
Publisher: University of Chicago Press
DOI: 10.3847/1538-3881/ac7da2

Two-dimensional kinematics and dynamical modelling of the ‘Jackpot’ gravitational lens from deep MUSE observations

Author(s): Hannah C Turner, Russell J Smith, Thomas E Collett
Published in: Monthly Notices of the Royal Astronomical Society, Issue 528, 2024, Page(s) 3559-3575, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stae263

The impact of human expert visual inspection on the discovery of strong gravitational lenses

Author(s): Karina Rojas; Thomas E Collett; Daniel Ballard; Mark R Magee; Simon Birrer; Elizabeth Buckley-Geer; James H H Chan; Benjamin Clément; José M Diego; Fabrizio Gentile; Jimena González; Rémy Joseph; Jorge Mastache; Stefan Schuldt; Crescenzo Tortora; Tomás Verdugo; Aprajita Verma; Tansu Daylan; Martin Millon; Neal Jackson; Simon Dye; Alejandra Melo; Guillaume Mahler; Ricardo L C Ogando; Frédéri
Published in: MNRAS, Issue 2, 2023, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stad1680

Lensed Type Ia Supernova “Encore” at z = 2: The First Instance of Two Multiply Imaged Supernovae in the Same Host Galaxy

Author(s): J. D. R. Pierel, A. B. Newman, S. Dhawan, M. Gu, B. A. Joshi, T. Li, S. Schuldt, L. G. Strolger, S. H. Suyu, G. B. Caminha, S. H. Cohen, J. M. Diego, J. C. J. DŚilva, S. Ertl, B. L. Frye, G. Granata, C. Grillo, A. M. Koekemoer, J. Li, A. Robotham, J. Summers, T. Treu, R. A. Windhorst, A. Zitrin, S. Agarwal, A. Agrawal, N. Arendse, S. Belli, C. Burns, R. Cañameras, S. Chakrabarti, W. Chen, T. E.
Published in: The Astrophysical Journal Letters, Issue 967, 2024, Page(s) L37, ISSN 2041-8205
Publisher: Institute of Physics Publishing
DOI: 10.3847/2041-8213/ad4648

The overconcentrated dark halo in the strong lens SDSS J0946 + 1006 is a subhalo: evidence for self-interacting dark matter?

Author(s): Wolfgang J R Enzi, Coleman M Krawczyk, Daniel J Ballard, Thomas E Collett
Published in: Monthly Notices of the Royal Astronomical Society, Issue 540, 2025, Page(s) 247-263, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/staf697

Gravitational imaging through a triple source plane lens: revisiting the $Λ$CDM-defying dark subhalo in SDSSJ0946+1006

Author(s): Ballard, Daniel J.; Enzi, Wolfgang J. R.; Collett, Thomas E.; Turner, Hannah C.; Smith, Russell J.
Published in: MNRAS, Issue 1, 2024, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stae514

Line-of-sight effects on double source plane lenses

Author(s): Daniel Johnson, Thomas Collett, Tian Li, Pierre Fleury
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2025, 2025, Page(s) 067, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2025/08/067

<i>Euclid</i>: The Early Release Observations Lens Search Experiment

Author(s): J. A. Acevedo Barroso, C. M. O’Riordan, B. Clément, C. Tortora, T. E. Collett, F. Courbin, R. Gavazzi, R. B. Metcalf, V. Busillo, I. T. Andika, R. Cabanac, H. M. Courtois, J. Crook-Mansour, L. Delchambre, G. Despali, L. R. Ecker, A. Franco, P. Holloway, N. Jackson, K. Jahnke, G. Mahler, L. Marchetti, P. Matavulj, A. Melo, M. Meneghetti, L. A. Moustakas, O. Müller, A. A. Nucita, A. Paulino-Afon
Published in: Astronomy &amp; Astrophysics, Issue 697, 2025, Page(s) A14, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202451868

Lensed stars in galaxy–galaxy strong lensing – a <i>JWST</i> prediction for the Cosmic Horseshoe

Author(s): Sung Kei Li, Luke Weisenbach, Thomas E Collett, Jose M Diego, Jeremy Lim, Thomas J Broadhurst, Alex Chow, Wolfgang J R Enzi, Patrick L Kelly, Carlos R Melo-Carneiro, Jose M Palencia, Liliya L R Williams, Jiashuo Zhang
Published in: Monthly Notices of the Royal Astronomical Society, Issue 544, 2026, Page(s) 4469-4481, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/staf1959

Correcting for Selection Biases in the Determination of the Hubble Constant from Time-Delay Cosmography

Author(s): Tian Li, Thomas E Collett, Philip J Marshall, Sydney Erickson, Wolfgang Enzi, Lindsay Oldham, Daniel Ballard
Published in: Monthly Notices of the Royal Astronomical Society, 2025, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/staf399

Unveiling a 36 billion solar mass black hole at the centre of the Cosmic Horseshoe gravitational lens

Author(s): Carlos R Melo-Carneiro, Thomas E Collett, Lindsay J Oldham, Wolfgang Enzi, Cristina Furlanetto, Ana L Chies-Santos, Tian Li
Published in: Monthly Notices of the Royal Astronomical Society, Issue 541, 2025, Page(s) 2853-2871, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/staf1036

<i>Euclid</i>: A complete Einstein ring in NGC 6505

Author(s): C. M. O’Riordan, L. J. Oldham, A. Nersesian, T. Li, T. E. Collett, D. Sluse, B. Altieri, B. Clément, K. G. C. Vasan, S. Rhoades, Y. Chen, T. Jones, C. Adami, R. Gavazzi, S. Vegetti, D. M. Powell, J. A. Acevedo Barroso, I. T. Andika, R. Bhatawdekar, A. R. Cooray, G. Despali, J. M. Diego, L. R. Ecker, A. Galan, P. Gómez-Alvarez, L. Leuzzi, M. Meneghetti, R. B. Metcalf, M. Schirmer, S. Serjeant,
Published in: Astronomy &amp; Astrophysics, Issue 694, 2025, Page(s) A145, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202453014

Find the haystacks, then look for needles: the rate of strongly lensed supernovae in galaxy–galaxy strong gravitational lenses

Author(s): Ana Sainz de Murieta, Thomas E Collett, Mark R Magee, Justin D R Pierel, Wolfgang J R Enzi, Martine Lokken, Alex Gagliano, Dan Ryczanowski
Published in: Monthly Notices of the Royal Astronomical Society, Issue 535, 2024, Page(s) 2523-2537, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stae2486

Non-peer reviewed articles (2)

The revolution in strong lensing discoveries from Euclid

Author(s): Natalie E. P. Lines, Tian Li, Thomas E. Collett, Philip Holloway, James W. Nightingale, Karina Rojas, Aprajita Verma, Mike Walmsley
Published in: Nature Astronomy, Issue 9, 2025, Page(s) 1116-1122, ISSN 2397-3366
Publisher: Springer Science and Business Media LLC
DOI: 10.1038/s41550-025-02616-5

Stars as cosmic scales: measuring stellar mass with microlensed supernovae

Author(s): Luke Weisenbach, Thomas Collett, Wolfgang Enzi, Lindsay Oldham, Ana Sainz de Murieta
Published in: Monthly Notices of the Royal Astronomical Society, Issue 539, 2025, Page(s) 393-404, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/staf535

Other (1)

The 4MOST Strong Lensing Spectroscopic Legacy Survey (4SLSLS)

Author(s): Collett, Thomas E.; Sonnenfeld, Alessandro; Frohmaier, Chris; Glazebrook, Karl; Sluse, Dominique; Motta, Veronica; Verma, Aprajita; Anguita, Timo; Koopmans, Leon; Tortora, Crescenzo; Courbin, Frederic; Cabanac, Remi; Frye, Brenda; Smith, Graham P.; Diego, Jose Maria; Alteiri, Bruno; Lopez, Sebastian; Fassnacht, Chris; Cooray, Asantha; Goobar, Ariel; Ryczanowski, Dan; Serjeant, Stephen; Richard, Jo
Published in: ESO Messenger, 2023
Publisher: ESO
DOI: 10.18727/0722-6691/5313