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É

Étienne Artigau

universite de montreal

44H-index
467Paper Count
7.3KCitation Count
Published Papers 121
Publication Date
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An Aligned Very-low-mass Star Orbiting an M Dwarf and Obliquity Patterns across Giant Planets; Brown Dwarfs; and Binary Stars
errThe Astrophysical Journal Letters
IF0
err2026-04-21
err0
errOAAI
errTianjun Gan; Alexandrine L’Heureux; Étienne Artigau; Charles Cadieux; René Doyon; Neil J. Cook; Shude Mao
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Mapping the Cloud-driven Atmospheric Dynamics and Chemistry of an Isolated Exoplanet Analog with Harmonic Signatures
errThe Astronomical Journal
IF0
err2026-02-27
err0
errOAAI
errMichael K. Plummer; Francis P. Cocchini; Peter A. Kearns; Allison M. McCarthy; Étienne Artigau; Nicolas B. Cowan; Roman Akhmetshyn; Johanna M. Vos; Evert Nasedkin; Channon Visscher; Björn Benneke; René Doyon; Stanimir A. Metchev; Jason F. Rowe; Genaro Suárez
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Reanalysis of the Eclipses of LHS 1140 c: No Evidence of an Atmosphere and Implications for the Internal Structure of the Planet
errAstrophysical Journal Letters
IF11.7
err2026-02-20
err1
PREAI
errRochon, Alexandra; Artigau, Etienne; Weisserman, Drew; Dang, Lisa; Doyon, Rene; Cadieux, Charles; Cloutier, Ryan
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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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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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The Interpolation Constraint in the RV Analysis of M Dwarfs Using Empirical Templates
errThe Astronomical Journal
IF0
err2025-10-15
err0
errOAAI
errDhvani Doshi; Nicolas B. Cowan; Étienne Artigau; René Doyon; André M. Silva; Khaled Al Moulla; Yashar Hezaveh
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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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A New Brown Dwarf Orbiting an M Star and an Investigation of the Eccentricity Distribution of Transiting Long-period Brown Dwarfs
errastrophysical journal letters
IF0
err2025-08-01
err0
PREAI
errTianjun Gan; Charles Cadieux; Shigeru Ida; Sharon X. Wang; Shude Mao; Zitao Lin; Keivan G. Stassun; Adam J. Burgasser; Steve B. Howell; Catherine A. Clark; Ivan A. Strakhov; Paul Benni; George R. Ricker; Roland Vanderspek; David W. Latham; Sara Seager; Joshua N. Winn; Jon M. Jenkins; Luc Arnold; Étienne Artigau; David Charbonneau; Karen A. Collins; Neil J. Cook; Zoë L. de Beurs; Sarah J. Deveny; John P. Doty; René Doyon; Colin Littlefield; Tyler Pritchard; Gabrielle Ross; Avi Shporer; Christopher R. Theissen; Benjamin M. Tofflemire; Andrew Vanderburg; David Watanabe
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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 Gl 229 System Revisited with the Line-by-line Framework: Planetary Signals Now Appear as Stellar Activity Ghosts
errASTRONOMICAL JOURNAL
IF5.1
err2025-02-27
err0
errOAAI
errDeslieres, Ariane; Cadieux, Charles; Doyon, Rene; Artigau, Etienne; Cook, Neil J.; Fontanive, Clemence; Vandal, Thomas
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Hydroxyl Lines and Moonlight: A High Spectral Resolution Investigation of Near-infrared Skylines from Maunakea to Guide Near-infrared Spectroscopic Surveys
errASTRONOMICAL JOURNAL
IF5.1
err2025-01-20
err0
errOAAI
errDauphin, Frederick; Petric, Andreea; Artigau, Etienne; Stephens, Andrew W.; Cook, Neil James; Businger, Steven; Flagey, Nicolas; Marshall, Jennifer; Ntampaka, Michelle; Ravindranath, Swara; Rousseau-Nepton, Laurie
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Measuring Sub-Kelvin Variations in Stellar Temperature with High-resolution Spectroscopy
errASTRONOMICAL JOURNAL
IF5.1
err2024-11-12
err0
errOAAI
errArtigau, Etienne; Cadieux, Charles; Cook, Neil J.; Doyon, Rene; Dauplaise, Laurie; Arnold, Luc; Cadieux, Maya; Donati, Jean-Francois; Cristofari, Paul; Delfosse, Xavier; Fouque, Pascal; Moutou, Claire; Larue, Pierre; Allart, Romain
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TOI-3568 b: A super-Neptune in the sub-Jovian desert
errASTRONOMY & ASTROPHYSICS
IF5.8
err2024-10-17
err0
errOAAI
errMartioli, E.; Petrucci, R. P.; Jofre, E.; Hebrard, G.; Ghezzi, L.; Gomez Maqueo Chew, Y.; Diaz, R. F.; Perottoni, H. D.; Garcia, L. H.; Rapetti, D.; Lecavelier des Etangs, A.; de Almeida, L.; Arnold, L.; Artigau, E.; Basant, R.; Bean, J. L.; Bieryla, A.; Boisse, I.; Bonfils, X.; Brady, M.; Cadieux, C.; Carmona, A.; Cook, N. J.; Delfosse, X.; Donati, J. -f.; Doyon, R.; Furlan, E.; Howell, S. B.; Jenkins, J. M.; Kasper, D.; Kiefer, F.; Latham, D. W.; Levine, A. M.; Lorenzo-Oliveira, D.; Luque, R.; Mcleod, K. K.; Melendez, J.; Moutou, C.; Netto, Y.; Pritchard, T. A.; Rowden, P.; Seifahrt, A.; Stefansson, G.; Stuermer, J.; Twicken, J. D.
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Revisiting Physical Parameters of the Benchmark Brown Dwarf LHS 6343 C through a Hubble Space Telescope/WFC3 Secondary-eclipse Observation
errASTROPHYSICAL JOURNAL
IF5.4
err2024-09-10
err0
errOAAI
errFrost, William; Albert, Loic; Doyon, Rene; Gagne, Jonathan; Montet, Benjamin T.; Fontanive, Clemence; Artigau, Etienne; Johnson, John Asher; Edwards, Billy; Benneke, Bjorn
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Characterising planetary systems with SPIRou: Temperate sub-Neptune exoplanet orbiting the nearby fully convective star GJ 1289 and a candidate around GJ 3378
errASTRONOMY & ASTROPHYSICS
IF5.8
err2024-08-22
err0
errOAAI
errMoutou, C.; Ould-Elhkim, M.; Donati, J. -F; Charpentier, P.; Cadieux, C.; Delfosse, X.; Artigau, E.; Arnold, L.; Baruteau, C.; Carmona, A.; Cook, N. J.; Zuleta, P. Cortes; Doyon, R.; Hebrard, G.
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Probing atmospheric escape through metastable He I triplet lines in 15 exoplanets observed with SPIRou
errASTRONOMY & ASTROPHYSICS
IF5.8
err2024-08-21
err4
errOAAI
errMasson, A.; Vinatier, S.; Bezard, B.; Lopez-Puertas, M.; Lampon, M.; Debras, F.; Carmona, A.; Klein, B.; Artigau, E.; Dethier, W.; Pelletier, S.; Hood, T.; Allart, R.; Bourrier, V.; Cadieux, C.; Charnay, B.; Cowan, N. B.; Cook, N. J.; Delfosse, X.; Donati, J. -F.; Gu, P. -G.; Hebrard, G.; Martioli, E.; Moutou, C.; Venot, O.; Wyttenbach, A.
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Atmospheric Waves Driving Variability and Cloud Modulation on a Planetary-mass Object
errASTROPHYSICAL JOURNAL
IF5.4
err2024-07-17
err2
errOAAI
errPlummer, Michael K.; Wang, Ji; Artigau, Etienne; Doyon, Rene; Suarez, Genaro
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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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SPIRou spectropolarimetry of the T Tauri star TW Hydrae: magnetic fields, accretion, and planets
errMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
IF4.8
err2024-06-07
err4
errOAAI
errDonati, J. -F; Cristofari, P., I; Lehmann, L. T.; Moutou, C.; Alencar, S. H. P.; Bouvier, J.; Arnold, L.; Delfosse, X.; Artigau, E.; Cook, N.; Kospal, A.; Menard, F.; Baruteau, C.; Takami, M.; Cabrit, S.; Hebrard, G.; Doyon, R.
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