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Nicolas B. Cowan

mcgill university

48H-index
339Paper Count
9.1KCitation Count
Published Papers 144
Publication Date
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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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The Albedo Problem and Cloud Cover on Hot Jupiters
errThe Astrophysical Journal Letters
IF0
err2025-12-24
err0
errOAAI
errKevin Heng; Billy Edwards; Nicolas B. Cowan
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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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Testing the Origin of Hot Jupiters with Atmospheric Surveys
errThe Astrophysical Journal
IF0
err2025-12-11
err0
errOAAI
errLina D’Aoust; Ben Coull-Neveu; Eve J. Lee; Nicolas B. Cowan
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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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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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errSave
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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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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errSave
Seasonal Changes in the Atmosphere of HD 80606 b Observed with JWST’s NIRSpec/G395H
errastronomical journal
IF0
err2025-07-23
err0
PREAI
errJames T. Sikora; Jason F. Rowe; Jared Splinter; Saugata Barat; Lisa Dang; Nicolas B. Cowan; Thomas Barclay; Knicole D. Colón; Jean-Michel Désert; Stephen R. Kane; Joe Llama; Hinna Shivkumar; Keivan G. Stassun; Elisa V. Quintana
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OGLE-2016-BLG-1195Lb: A Sub-Neptune Beyond the Snow Line of an M-dwarf Confirmed by Keck Adaptive Optics
errASTRONOMICAL JOURNAL
IF5.1
err2025-05-20
err0
errOAAI
errVandorou, Aikaterini; Dang, Lisa; Bennett, David P.; Koshimoto, Naoki; Terry, Sean K.; Udalski, Andrzej; Beaulieu, Jean-Philippe; Alard, Christophe; Bhattacharya, Aparna; Blackman, Joshua W.; Bond, Ian A.; Bouchoutrouch-Ku, Tarik; Cole, Andrew A.; Cowan, Nicolas B.; Marquette, Jean-Baptiste; Ranc, Clement; Rektsini, Natalia E.; Cetre, Sylvain; Lyke, Jim; Marin, Eduardo; Wizinowich, Peter
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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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Constraining the scattered light properties of LTT 9779 b using HST/WFC3 UVIS
errMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
IF4.8
err2025-03-20
err0
errOAAI
errRadica, Michael; Taylor, Jake; Wakeford, Hannah R.; Lafreniere, David; Allart, Romain; Cowan, Nicolas B.; Jenkins, James S.; Parmentier, Vivien
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A Comprehensive Analysis of Spitzer 4.5 μm Phase Curves of Hot Jupiters
errASTRONOMICAL JOURNAL
IF5.1
err2024-12-16
err1
errOAAI
errDang, Lisa; Bell, Taylor J.; Shu, Ying (Zoe); Cowan, Nicolas B.; Bean, Jacob L.; Deming, Drake; Kempton, Eliza M. -R.; Mansfield, Megan Weiner; Rauscher, Emily; Parmentier, Vivien; Rochon, Alexandra; Stevenson, Kevin B.; Swain, Mark; Kreidberg, Laura; Kataria, Tiffany; Desert, Jean-Michel; Zellem, Robert; Fortney, Jonathan J.; Lewis, Nikole K.; Line, Michael; Morley, Caroline; Showman, Adam
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Clouds in Partial Atmospheres of Lava Planets and Where to Find Them
errASTRONOMICAL JOURNAL
IF5.1
err2024-11-28
err0
errOAAI
errNguyen, T. Giang; Cowan, Nicolas B.; Dang, Lisa
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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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Thermal evolution of lava planets
errMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
IF4.8
err2024-10-29
err0
errOAAI
errHerath, Mahesh; Boukare, Charles-Edouard; Cowan, Nicolas B.
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Water Evolution and Inventories of Super-Earths Orbiting Late M Dwarfs
errASTROPHYSICAL JOURNAL
IF5.4
err2024-09-02
err0
errOAAI
errMoore, Keavin; David, Benjamin; Zhang, Albert Yian; Cowan, Nicolas B.
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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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Research Directions

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Co-authors
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