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D

David Lafreniére

Institut Trottier de Recherche sur les Exoplanètes

48H-index
411Paper Count
9.0KCitation Count
Published Papers 118
Publication Date
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Supersolar Metallicity and Tentative Evidence for Photochemistry on WASP-96 b from JWST and Ground-based VLT Transmission Spectroscopy
errThe Astronomical Journal
IF0
err2026-04-27
err0
errOAAI
errMichael Radica; Jake Taylor; Yoav Rotman; Jasmina Blecic; Luis Welbanks; Eva-Maria Ahrer; Duncan Christie; Louis-Philippe Coulombe; Gillis Lowry; Matthew M. Murphy; Adina D. Feinstein; David Lafrenière; Ryan J. MacDonald; Nathan J. Mayne; Shang-Min Tsai; Maria Zamyatina
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Diversity in the haziness and chemistry of temperate sub-Neptunes
errNature Astronomy
IF14.3
err2025-12-12
err0
errOAAI
errPierre-Alexis Roy; Björn Benneke; Marylou Fournier-Tondreau; Louis-Philippe Coulombe; Caroline Piaulet-Ghorayeb; David Lafrenière; Romain Allart; Nicolas B. Cowan; Lisa Dang; Doug Johnstone; Adam B. Langeveld; Stefan Pelletier; Michael Radica; Jake Taylor; Loïc Albert; René Doyon; Laura Flagg; Ray Jayawardhana; Ryan J. MacDonald; Jake D. Turner
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A complex structure of escaping helium spanning more than half the orbit of the ultra-hot Jupiter WASP-121 b
errNature Communications
IF15.7
err2025-12-08
err0
errOAAI
errRomain Allart; Louis-Philippe Coulombe; Yann Carteret; Jared Splinter; Lisa Dang; Vincent Bourrier; David Lafrenière; Loïc Albert; Étienne Artigau; Björn Benneke; Nicolas B. Cowan; René Doyon; Vigneshwaran Krishnamurthy; Ray Jayawardhana; Doug Johnstone; Adam B. Langeveld; Michael R. Meyer; Stefan Pelletier; Caroline Piaulet-Ghorayeb; Michael Radica; Jake Taylor; Jake D. Turner
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Continuous helium absorption from both the leading and trailing tails of WASP-107 b
errNature Astronomy
IF14.3
err2025-12-01
err0
PREAI
errVigneshwaran Krishnamurthy; Yann Carteret; Caroline Piaulet-Ghorayeb; Jared Splinter; Dhvani Doshi; Michael Radica; Louis-Philippe Coulombe; Romain Allart; Vincent Bourrier; Nicolas B. Cowan; René Doyon; David Lafrenière; Loïc Albert; Björn Benneke; Lisa Dang; Ray Jayawardhana; Doug Johnstone; Lisa Kaltenegger; Adam B. Langeveld; Stefan Pelletier; Jason F. Rowe; Pierre-Alexis Roy; Jake Taylor; Jake D. Turner
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Separating Flare and Secondary Atmospheric Signals with RADYN Modeling of Near-infrared JWST Transmission Spectroscopy Observations of TRAPPIST-1
errThe Astrophysical Journal Letters
IF0
err2025-11-20
err0
errOAAI
errWard S. Howard; Adam F. Kowalski; Michael Radica; Laura Flagg; Valeriy Vasilyev; Benjamin V. Rackham; Guadalupe Tovar Mendoza; Meredith A. MacGregor; Alexander I. Shapiro; Jake Taylor; Louis-Philippe Coulombe; Olivia Lim; David Lafrenière
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Precise Constraints on the Energy Budget of WASP-121 b from Its JWST NIRISS/SOSS Phase Curve
errThe Astronomical Journal
IF0
err2025-11-13
err0
errOAAI
errJared Splinter; Louis-Philippe Coulombe; Robert C. Frazier; Nicolas B. Cowan; Emily Rauscher; Lisa Dang; Michael Radica; Sean Collins; Stefan Pelletier; Romain Allart; Ryan J. MacDonald; David Lafrenière; Loïc Albert; Björn Benneke; René Doyon; Ray Jayawardhana; Doug Johnstone; Vigneshwaran Krishnamurthy; Caroline Piaulet-Ghorayeb; Lisa Kaltenegger; Michael R. Meyer; Jake Taylor; Jake D. Turner
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Mapping Atmospheric Features of the Planetary-mass Brown Dwarf SIMP 0136 with JWST NIRISS
errThe Astrophysical Journal
IF0
err2025-11-07
err0
errOAAI
errRoman Akhmetshyn; Étienne Artigau; Nicolas B. Cowan; Michael K. Plummer; Fei Wang; Ben Burningham; Björn Benneke; René Doyon; Ray Jayawardhana; David Lafrenière; Stanimir A. Metchev; Jason F. Rowe
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Strict Limits on Potential Secondary Atmospheres on the Temperate Rocky Exo-Earth TRAPPIST-1 d
errastrophysical journal
IF0
err2025-08-13
err0
PREAI
errCaroline Piaulet-Ghorayeb; Björn Benneke; Martin Turbet; Keavin Moore; Pierre-Alexis Roy; Olivia Lim; René Doyon; Thomas J. Fauchez; Loïc Albert; Michael Radica; Louis-Philippe Coulombe; David Lafrenière; Nicolas B. Cowan; Danika Belzile; Kamrul Musfirat; Mehramat Kaur; Alexandrine L’Heureux; Doug Johnstone; Ryan J. MacDonald; Romain Allart; Lisa Dang; Lisa Kaltenegger; Stefan Pelletier; Jason F. Rowe; Jake Taylor; Jake D. Turner
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Detailed Architecture of the L 98-59 System and Confirmation of a Fifth Planet in the Habitable Zone
errastronomical journal
IF0
err2025-08-08
err0
PREAI
errCharles Cadieux; Alexandrine L’Heureux; Caroline Piaulet-Ghorayeb; René Doyon; Étienne Artigau; Neil J. Cook; Louis-Philippe Coulombe; Pierre-Alexis Roy; David Lafrenière; Pierrot Lamontagne; Michael Radica; Björn Benneke; Eva-Maria Ahrer; Drew Weisserman; Ryan Cloutier
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Metal-polluted White Dwarfs with 21 μm IR Excesses from JWST/MIRI: Planets or Dust?
errastronomical journal
IF0
err2025-07-28
err0
PREAI
errJohn H. Debes; Sabrina Poulsen; Ashley Messier; Susan E. Mullally; Katherine Thibault; Loïc Albert; Misty Cracraft; Érika Le Bourdais; Patrick Dufour; Tom Barclay; J. J. Hermes; Mukremin Kilic; David Lafrenière; Fergal Mullally; William Reach; Elisa Quintana
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Exo-Dragonfly: Adapting the Dragonfly Telephoto Array to the Observation of Exoplanet Transits
errPublications of the Astronomical Society of the Pacific
IF7.7
err2025-06-20
err0
PREAI
errChristopher R. Mann; David Lafrenière; Étienne Artigau; Roberto Abraham; Pieter G. van Dokkum; Colleen Gilhuly; Steven R. Janssens; Philippe Desmarais; Pierrot Lamontaigne; Maude Larievière; Rémi Sincennes
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Transmission spectroscopy of WASP-52 b with JWST NIRISS: water and helium atmospheric absorption, alongside prominent star-spot crossings
errMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
IF4.8
err2025-05-01
err0
errOAAI
errFournier-Tondreau, Marylou; Pan, Yanbo; Morel, Kim; Lafreniere, David; MacDonald, Ryan J.; Coulombe, Louis-Philippe; Allart, Romain; Albert, Loic; Radica, Michael; Piaulet-Ghorayeb, Caroline; Roy, Pierre-Alexis; Pelletier, Stefan; Dang, Lisa; Doyon, Rene; Benneke, Bjorn; Cowan, Nicolas B.; Darveau-Bernier, Antoine; Lim, Olivia; Artigau, Etienne; Johnstone, Doug; Kaltenegger, Lisa; Taylor, Jake; Flagg, Laura
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The James Webb Interferometer: Space-based Interferometric Detections of PDS 70 b and c at 4.8 μm
errASTRONOMICAL JOURNAL
IF5.1
err2025-02-12
err0
errOAAI
errBlakely, Dori; Johnstone, Doug; Cugno, Gabriele; Sivaramakrishnan, Anand; Tuthill, Peter; Dong, Ruobing; Pope, Benjamin J. S.; Albert, Loic; Charles, Max; Cooper, Rachel A.; Furio, Matthew De; Desdoigts, Louis; Doyon, Rene; Francis, Logan; Greenbaum, Alexandra Z.; Lafreniere, David; Lloyd, James P.; Meyer, Michael R.; Pueyo, Laurent; Ray, Shrishmoy; Sanchez-Bermudez, Joel; Soulain, Anthony; Thatte, Deepashri; Thompson, William; Vandal, Thomas
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Out of the Darkness: High-resolution Detection of CO Absorption on the Nightside of WASP-33b
errASTROPHYSICAL JOURNAL LETTERS
IF11.7
err2024-11-08
err0
errOAAI
errMraz, Georgia; Darveau-Bernier, Antoine; Boucher, Anne; Cowan, Nicolas B.; Lafreniere, David; Cadieux, Charles
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JWST/NIRISS Reveals the Water-rich Steam World Atmosphere of GJ 9827 d
errASTROPHYSICAL JOURNAL LETTERS
IF11.7
err2024-10-04
err1
errOAAI
errPiaulet-Ghorayeb, Caroline; Benneke, Bjoern; Radica, Michael; Raul, Eshan; Coulombe, Louis-Philippe; Ahrer, Eva-Maria; Kubyshkina, Daria; Howard, Ward S.; Krissansen-Totton, Joshua; MacDonald, Ryan J.; Roy, Pierre-Alexis; Louca, Amy; Christie, Duncan; Fournier-Tondreau, Marylou; Allart, Romain; Miguel, Yamila; Schlichting, Hilke E.; Welbanks, Luis; Cadieux, Charles; Dorn, Caroline; Evans-Soma, Thomas M.; Fortney, Jonathan J.; Pierrehumbert, Raymond; Lafreniere, David; Acuna, Lorena; Komacek, Thaddeus; Innes, Hamish; Beatty, Thomas G.; Cloutier, Ryan; Doyon, Rene; Gagnebin, Anna; Gapp, Cyril; Knutson, Heather A.
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The JWST/NIRISS Deep Spectroscopic Survey for Young Brown Dwarfs and Free-floating Planets
errASTRONOMICAL JOURNAL
IF5.1
err2024-09-27
err5
errOAAI
errLangeveld, Adam B.; Scholz, Aleks; Muzic, Koraljka; Jayawardhana, Ray; Capela, Daniel; Albert, Loic; Doyon, Rene; Flagg, Laura; de Furio, Matthew; Johnstone, Doug; Lafreniere, David; Meyer, Michael
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Transmission Spectroscopy of the Habitable Zone Exoplanet LHS 1140 b with JWST/NIRISS
errASTROPHYSICAL JOURNAL LETTERS
IF11.7
err2024-07-10
err7
errOAAI
errCadieux, Charles; Doyon, Rene; MacDonald, Ryan J.; Turbet, Martin; Artigau, Etienne; Lim, Olivia; Radica, Michael; Fauchez, Thomas J.; Salhi, Salma; Dang, Lisa; Albert, Loic; Coulombe, Louis-Philippe; Cowan, Nicolas B.; Lafreniere, David; L'Heureux, Alexandrine; Piaulet-Ghorayeb, Caroline; Benneke, Bjorn; Cloutier, Ryan; Charnay, Benjamin; Cook, Neil J.; Fournier-Tondreau, Marylou; Plotnykov, Mykhaylo; Valencia, Diana
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The First High-contrast Images of Near High-mass X-Ray Binaries with Keck/NIRC2
errASTROPHYSICAL JOURNAL
IF5.4
err2024-05-13
err0
errOAAI
errPrasow-Emond, M.; Hlavacek-Larrondo, J.; Fogarty, K.; Artigau, E.; Mawet, D.; Gandhi, P.; Steiner, J. F.; Rameau, J.; Lafreniere, D.; Fabian, A.; Walton, D. J.; Doyon, R.; Ren, B. B.
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Comprehensive High-resolution Chemical Spectroscopy of Barnard's Star with SPIRou
errASTROPHYSICAL JOURNAL
IF5.4
err2024-04-25
err4
errOAAI
errJahandar, Farbod; Doyon, Rene; Artigau, Etienne; Cook, Neil J.; Cadieux, Charles; Lafreniere, David; Forveille, Thierry; Donati, Jean-Francois; Fouque, Pascal; Carmona, Andres; Cloutier, Ryan; Cristofari, Paul; Gaidos, Eric; da Silva, Joao Gomes; Malo, Lison; Martioli, Eder; do Nascimento, J. -d.; Pelletier, Stefan; Vandal, Thomas; Venn, Kim
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Muted Features in the JWST NIRISS Transmission Spectrum of Hot Neptune LTT 9779b
errASTROPHYSICAL JOURNAL LETTERS
IF11.7
err2024-02-08
err6
errOAAI
errRadica, Michael; Coulombe, Louis-Philippe; Taylor, Jake; Albert, Loic; Allart, Romain; Benneke, Bjoern; Cowan, Nicolas B.; Dang, Lisa; Lafreniere, David; Thorngren, Daniel; Artigau, Etienne; Doyon, Rene; Flagg, Laura; Johnstone, Doug; Pelletier, Stefan; Roy, Pierre-Alexis
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Research Directions

No research directions
Co-authors
Cooperation Journals
A
Anton M. Koekemoer
H-index: 145 · Papers: 1.7K
A
A. C. Fabian
H-index: 130 · Papers: 1.9K
J
James Larkin
H-index: 128 · Papers: 1.3K
F
F. Pepe
H-index: 112 · Papers: 1.0K
D
David W. Latham
H-index: 111 · Papers: 1.7K
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