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Stephen Gwyn

national research council of canada

53H-index
383Paper Count
9.6KCitation Count
Published Papers 153
Publication Date
ODIN: Searching for LyC Emission from Lyα Emitters at z = 4.5 in the E-COSMOS and XMM-LSS Fields
err2026-04-17
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errEunsuk Seo; Hyunmi Song; Lucia Guaita; Kyoung-Soo Lee; Eric Gawiser; Robin Ciardullo; Arjun Dey; Seok-Jun Chang; Nicole Firestone; Stephen Gwyn; Ho Seong Hwang; Sungryong Hong; Sang Hyeok Im; Woong-Seob Jeong; Jaehyun Lee; Seong-Kook Lee; Chanbom Park; Vandana Ramakrishnan; Marcin Sawicki; Yujin Yang; Ann Zabludoff
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Gravitational Lenses in UNIONS and Euclid (GLUE). I. A Search for Strong Gravitational Lenses in UNIONS with Subaru; CFHT; and Pan-STARRS Data
err2026-02-20
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errChristopher J. Storfer; Eugene A. Magnier; Xiaosheng Huang; David Rubin; David J. Schlegel; Saurav Banka; Kenneth C. Chambers; Jean-Charles Cuillandre; Thomas de Boer; Raphaël Gavazzi; Stephen Gwyn; Michael J. Hudson; Gregory S. H. Paek; Douglas Scott
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Kinematics of Distant Milky Way Halo RR Lyrae Stars out to 160 kpc
err2026-02-06
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errYuting Feng; Puragra Guhathakurta; Eric W. Peng; Emily C. Cunningham; Patrick Côté; Laura Ferrarese; Stephen D. J. Gwyn
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UNIONS Optical Identifications for VLASS Radio Sources in the Euclid Sky (UNVEIL). I. A Catalog of ∼146; 000 Radio Galaxies up to z ∼ 5
err2025-11-06
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errYuxing Zhong; Kohei Ichikawa; Hendrik Hildebrandt; Stephen Gwyn; Akio K. Inoue; Masafusa Onoue; Masatoshi Imanishi; Taketo Yoshida; Martin Kilbinger; Thomas de Boer; Gregory S. H. Paek; Yoshiki Matsuoka; Tohru Nagao; Yoshiki Toba
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The Growth of Galaxy Stellar Haloes over 0.2 ≤ z ≤ 1.1
err2025-08-07
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PREAI
errDevin J. Williams; Ivana Damjanov; Marcin Sawicki; Harrison Souchereau; Lingjian Chen; Guillaume Desprez; Angelo George; Marianna Annunziatella; Stéphane Arnouts; Stephen Gwyn; Danilo Marchesini; Anna Sajina
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Low surface brightness structures from annotated deep CFHT images: effects of the host galaxy's properties and environment
err2025-08-01
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errSola, Elisabeth; Duc, Pierre-Alain; Urbano, Mathias; Richards, Felix; Paiement, Adeline; Bilek, Michal; Yildiz, Mustafa K.; Boselli, Alessandro; Cote, Patrick; Cuillandre, Jean-Charles; Ferrarese, Laura; Gwyn, Stephen; Marchal, Olivier; McConnachie, Alan W.; Baumann, Matthieu; Boch, Thomas; Durret, Florence; Fossati, Matteo; Habas, Rebecca; Marleau, Francine R.; Mueller, Oliver; Poulain, Melina; Belokurov, Vasily
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RIDEN pilot survey: broad-band selection of candidate quasars with extended Lyman-α nebulae using CLAUDS-HSC-SSP-DUNES2 joint data
err2025-07-01
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errShimakawa, Rhythm; Kikuta, Satoshi; Kusakabe, Haruka; Sawicki, Marcin; Liang, Yongming; Momose, Rieko; Gwyn, Stephen; Desprez, Guillaume
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A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE), XVII. Statistical properties of individual H II regions in unperturbed systems
err2025-04-04
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errBoselli, A.; Fossati, M.; Roehlly, Y.; Amram, P.; Boissier, S.; Boquien, M.; Braine, J.; Cote, P.; Cuillandre, J. C.; Ferrarese, L.; Gavazzi, G.; Gwyn, S.; Hensler, G.; Trinchieri, G.; Zavagno, A.
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No Evidence of Asymmetrically Enhanced Star Formation in Infalling Galaxies in UNIONS
err2025-03-24
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errFoster, Lauren M.; Parker, Laura C.; Gwyn, Stephen; Roberts, Ian D.; Taylor, James E.; Hudson, Michael J.; Mcconnachie, Alan W.; de Boer, Thomas
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Euclid preparation LXI. Cosmic Dawn Survey: 'Pre-launch' multiwavelength catalogues for Euclid Deep Field North and Euclid Deep Field Fornax
err2025-03-21
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errZalesky, L.; McPartland, C. J. R.; Weaver, J. R.; Toft, S.; Sanders, D. B.; Mobasher, B.; Suzuki, N.; Szapudi, I.; Valdes, I.; Murphree, G.; Chartab, N.; Allen, N.; Taamoli, S.; Barrow, S. W. J.; Ortiz, O. Chavez; Finkelstein, S. L.; Gwyn, S.; Sawicki, M.; McCracken, H. J.; Stern, D.; Dannerbauer, H.; Altieri, B.; Andreon, S.; Auricchio, N.; Baccigalupi, C.; Baldi, M.; Bardelli, S.; Bender, R.; Bodendorf, C.; Bonino, D.; Branchini, E.; Brescia, M.; Brinchmann, J.; Camera, S.; Capobianco, V.; Carbone, C.; Carretero, J.; Casas, S.; Castander, F. J.; Castellano, M.; Castignani, G.; Cavuoti, S.; Cimatti, A.; Colodro-Conde, C.; Congedo, G.; Conselice, C. J.; Conversi, L.; Copin, Y.; Corcione, L.; Courbin, F.; Courtois, H. M.; Da Silva, A.; Degaudenzi, H.; De Lucia, G.; Di Giorgio, A. M.; Dinis, J.; Dubath, F.; Duncan, C. A. J.; Dupac, X.; Dusini, S.; Farina, M.; Farrens, S.; Ferriol, S.; Fotopoulou, S.; Frailis, M.; Franceschi, E.; Galeotta, S.; Garilli, B.; Gillard, W.; Gillis, B.; Giocoli, C.; Gomez-Alvarez, P.; Grazian, A.; Grupp, F.; Haugan, S. V. H.; Hoekstra, H.; Holmes, W.; Hook, I.; Hormuth, F.; Hornstrup, A.; Hudelot, P.; Jahnke, K.; Joachimi, B.; Keihanen, E.; Kermiche, S.; Kiessling, A.; Kilbinger, M.; Kubik, B.; Kuijken, K.; Kuemmel, M.; Kunz, M.; Kurki-Suonio, H.; Laureijs, R.; Ligori, S.; Lilje, P. B.; Lindholm, V.; Lloro, I.; Mainetti, G.; Maino, D.; Maiorano, E.; Mansutti, O.; Marggraf, O.; Markovic, K.; Martinelli, M.; Martinet, N.; Marulli, F.; Massey, R.; Maurogordato, S.; Mei, S.; Mellier, Y.; Meneghetti, M.; Merlin, E.; Meylan, G.; Moresco, M.; Moscardini, L.; Munari, E.; Neissner, C.; Niemi, S. -M.; Nightingale, J. W.; Padilla, C.; Paltani, S.; Pasian, F.; Pedersen, K.; Percival, W. J.; Pettorino, V.; Pires, S.; Polenta, G.; Poncet, M.; Popa, L. A.; Pozzetti, L.; Raison, F.; Rebolo, R.; Renzi, A.; Rhodes, J.; Riccio, G.; Romelli, E.; Roncarelli, M.; Rossetti, E.; Saglia, R.; Sakr, Z.; Sapone, D.; Scaramella, R.; Schirmer, M.; Schneider, P.; Schrabback, T.; Secroun, A.; Sefusatti, E.; Seidel, G.; Serrano, S.; Sirignano, C.; Sirri, G.; Stanco, L.; Steinwagner, J.; Tallada-Crespi, P.; Teplitz, H. I.; Tereno, I.; Toledo-Moreo, R.; Torradeflot, F.; Tutusaus, I.; Valentijn, E. A.; Valenziano, L.; Vassallo, T.; Kleijn, G. Verdoes; Veropalumbo, A.; Wang, Y.; Weller, J.; Zamorani, G.; Zucca, E.; Bolzonella, M.; Boucaud, A.; Bozzo, E.; Burigana, C.; Di Ferdinando, D.; Vigo, J. A. Escartin; Farinelli, R.; Gracia-Carpio, J.; Mauri, N.; Nucita, A. A.; Scottez, V.; Tenti, M.; Viel, M.; Wiesmann, M.; Akrami, Y.; Allevato, V.; Anselmi, S.; Ballardini, M.; Bethermin, M.; Blanchard, A.; Blot, L.; Borgani, S.; Bruton, S.; Cabanac, R.; Calabro, A.; Cappi, A.; Carvalho, C. S.; Castro, T.; Chambers, K. C.; Chary, R.; Contarini, S.; Contini, T.; Cooray, A. R.; De Caro, B.; Desprez, G.; Diaz-Sanchez, A.; Di Domizio, S.; Dole, H.; Escoffier, S.; Ferrari, A. G.; Ferrero, I.; Finelli, F.; Fornari, F.; Gabarra, L.; Ganga, K.; Garcia-Bellido, J.; Gaztanaga, E.; Giacomini, F.; Gozaliasl, G.; Hall, A.; Hartley, W. G.; Hildebrandt, H.; Hjorth, J.; Huertas-Company, M.; Ilbert, O.; Munoz, A. Jimenez; Kajava, J. J. E.; Kansal, V.; Karagiannis, D.; Kirkpatrick, C. C.; Legrand, L.; Libet, G.; Loureiro, A.; Macias-Perez, J.; Maggio, G.; Magliocchetti, M.; Mancini, C.; Mannucci, F.; Maoli, R.; Martins, C. J. A. P.; Matthew, S.; Maurin, L.; Metcalf, R. B.; Monaco, P.; Moretti, C.; Morgante, G.; Walton, Nicholas A.; Odier, J.; Patrizii, L.; Pezzotta, A.; Pontinen, M.; Popa, V.; Porciani, C.; Potter, D.; Reimberg, P.; Risso, I.; Rocci, P. -F.; Sahlen, M.; Scarlata, C.; Schneider, A.; Sereno, M.; Silvestri, A.; Simon, P.; Mancini, A. Spurio; Stanford, S. A.; Tao, C.; Testera, G.; Teyssier, R.; Tosi, S.; Troja, A.; Tucci, M.; Valieri, C.; Valiviita, J.; Vergani, D.; Verza, G.; Zinchenko, I. A.
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Cluster Candidates with Massive Quiescent Galaxies at z ∼ 2
err2025-02-06
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errKiyota, Tomokazu; Ando, Makoto; Tanaka, Masayuki; Finoguenov, Alexis; Ali, Sadman Shariar; Coupon, Jean; Desprez, Guillaume; Gwyn, Stephen; Sawicki, Marcin; Shimakawa, Rhythm
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Point spread function errors for weak lensing - density cross-correlations
err2024-10-30
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errZhang, Ziwen; Kilbinger, Martin; Peters, Fabian Hervas; Li, Qinxun; Luo, Wentao; Baumont, Lucie; Cuillandre, Jean-Charles; Fabbro, Sebastien; Gwyn, Stephen; McConnachie, Alan; Wittje, Anna
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A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE)
err2024-10-28
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errMorgan, C. R.; Balogh, M. L.; Boselli, A.; Fossati, M.; Lawlor-Forsyth, C.; Sazonova, E.; Amram, P.; Boquien, M.; Braine, J.; Cortese, L.; Cote, P.; Cuillandre, J. C.; Ferrarese, L.; Gwyn, S.; Hensler, G.; Junais, J.; Roediger, J.
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Candidate Distant Trans-Neptunian Objects Detected by the New Horizons Subaru TNO Survey
err2024-10-17
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errFraser, Wesley C.; Porter, Simon B.; Peltier, Lowell; Kavelaars, J. J.; Verbiscer, Anne J.; Buie, Marc W.; Stern, S. Alan; Spencer, John R.; Benecchi, Susan D.; Terai, Tsuyoshi; Ito, Takashi; Yoshida, Fumi; Gerdes, David W.; Napier, Kevin J.; Lin, Hsing Wen; Gwyn, Stephen D. J.; Smotherman, Hayden; Fabbro, Sebastien; Singer, Kelsi N.; Alexander, Amanda M.; Arimatsu, Ko; Banks, Maria E.; Bray, Veronica J.; Ramy El-Maarry, Mohamed; Ferrell, Chelsea L.; Fuse, Tetsuharu; Glass, Florian; Holt, Timothy R.; Hong, Peng; Ishimaru, Ryo; Johnson, Perianne E.; Lauer, Tod R.; Leiva, Rodrigo; Lykawka, Patryk S.; Marschall, Raphael; Nunez, Jorge I.; Postman, Marc; Quirico, Eric; Rhoden, Alyssa R.; Simpson, Anna M.; Schenk, Paul; Skrutskie, Michael F.; Steffl, Andrew J.; Throop, Henry
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ODIN: Improved Narrowband Lyα Emitter Selection Techniques for z=2.4, 3.1, and 4.5
err2024-10-14
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errFirestone, Nicole M.; Gawiser, Eric; Ramakrishnan, Vandana; Lee, Kyoung-Soo; Valdes, Francisco; Park, Changbom; Yang, Yujin; Ciardullo, Robin; Artale, Maria Celeste; Benda, Barbara; Broussard, Adam; Eid, Lana; Farooq, Rameen; Gronwall, Caryl; Guaita, Lucia; Gwyn, Stephen; Hwang, Ho Seong; Im, Sang Hyeok; Jeong, Woong-Seob; Karthikeyan, Shreya; Lang, Dustin; Moon, Byeongha; Padilla, Nelson; Sawicki, Marcin; Seo, Eunsuk; Singh, Akriti; Song, Hyunmi; Iribarren, Paulina Troncoso
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The New Horizons Extended Mission Target: Arrokoth Search and Discovery
err2024-09-11
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errBuie, Marc W.; Spencer, John R.; Porter, Simon B.; Benecchi, Susan D.; Parker, Alex H.; Stern, S. Alan; Belton, Michael; Binzel, Richard P.; Borncamp, David; Demeo, Francesca; Fabbro, S.; Fuentes, Cesar; Furusawa, Hisanori; Fuse, Tetsuharu; Gay, Pamela L.; Gwyn, Stephen; Holman, Matthew J.; Karoji, H.; Kavelaars, J. J.; Kinoshita, Daisuke; Miyazaki, Satoshi; Mountain, Matt; Noll, Keith S.; Osip, David J.; Petit, Jean-Marc; Reid, Neill I.; Sheppard, Scott S.; Showalter, Mark; Steffl, Andrew J.; Sterner, Ray E.; Tajitsu, Akito; Tholen, David J.; Trilling, David E.; Weaver, Harold A.; Verbiscer, Anne J.; Wasserman, Lawrence H.; Yamashita, Takuji; Yanagisawa, Toshifumi; Yoshida, Fumi; Zangari, Amanda M.
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High redshift LBGs from deep broadband imaging for future spectroscopic surveys
err2024-08-29
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errRuhlmann-Kleider, Vanina; Yeche, Christophe; Magneville, Christophe; Coquinot, Henri; Armengaud, Eric; Palanque-Delabrouille, Nathalie; Raichoor, Anand; Aguilar, Jessica Nicole; Ahlen, Steven; Arnouts, Stephane; Brooks, David; Chaussidon, Edmond; Claybaugh, Todd; Dawson, Kyle; de la Macorra, Axel; Dey, Arjun; Dey, Biprateep; Doel, Peter; Fanning, Kevin; Ferraro, Simone; Forero-Romero, Jaime E.; Gontcho, Satya A. Gontcho; Gutierrez, Gaston; Gwyn, Stephen; Honscheid, Klaus; Juneau, Stephanie; Kehoe, Robert; Kisner, Theodore; Kremin, Anthony; Lambert, Andrew; Landriau, Martin; Le Guillou, Laurent; Levi, Michael E.; Manera, Marc; Martini, Paul; Meisner, Aaron; Miquel, Ramon; Moustakas, John; Mueller, Eva-Maria; Munoz-Gutierrez, Andrea; Newman, Jeffrey A.; Nie, Jundan; Niz, Gustavo; Payerne, Constantin; Picouet, Vincent; Ravoux, Corentin; Rezaie, Mehdi; Rossi, Graziano; Sanchez, Eusebio; Sawicki, Marcin; Schlafly, Edward F.; Schlegel, David; Schubnell, Michael; Seo, Hee-Jong; Silber, Joseph; Sprayberry, David; Taran, Julien; Tarle, Gregory; Weaver, Benjamin A.; White, Martin; Wilson, Michael J.; Zhou, Zhimin; Zou, Hu
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Environments around Quasars at z ∼ 3 Revealed by Wide-field Imaging with Subaru HSC and CFHT
err2024-08-27
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errSuzuki, Yuta; Uchiyama, Hisakazu; Matsuoka, Yoshiki; Toshikawa, Jun; Gwyn, Stephen; Imanishi, Masatoshi; Liu, Chengze; Noboriguchi, Akatoki; Sawicki, Marcin; Toba, Yoshiki
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Galaxy mergers in UNIONS - I. A simulation-driven hybrid deep learning ensemble for pure galaxy merger classification
err2024-08-08
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errFerreira, Leonardo; Bickley, Robert W.; Ellison, Sara L.; Patton, David R.; Byrne-Mamahit, Shoshannah; Wilkinson, Scott; Bottrell, Connor; Fabbro, Sebastien; Gwyn, Stephen D. J.; McConnachie, Alan
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The Next Generation Virgo Cluster Survey (NGVS). XXVII. The Size and Structure of Globular Cluster Systems and Their Connection to Dark Matter Halos
err2024-05-03
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errLim, Sungsoon; Peng, Eric W.; Cote, Patrick; Ferrarese, Laura; Roediger, Joel C.; Liu, Chengze; Spengler, Chelsea; Sola, Elisabeth; Duc, Pierre-Alain; Sales, Laura V.; Blakeslee, John P.; Cuillandre, Jean-Charles; Durrell, Patrick R.; Emsellem, Eric; Gwyn, Stephen D. J.; Lancon, Ariane; Marleau, Francine R.; Mihos, J. Christopher; Mueller, Oliver; Puzia, Thomas H.; Sanchez-Janssen, Ruben
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