Search Results - "Cloutier, Ryan"

Modeling Multiple Radius Valley Emergence Mechanisms with Multitransiting Systems by VanWyngarden, Madison, Cloutier, Ryan

“…Abstract Close-in planets smaller than Neptune form two distinct populations composed of rocky super-Earths and sub-Neptunes that may host primordial H/He…”
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Evidence for a trophic cascade on rocky reefs following sea star mass mortality in British Columbia by Schultz, Jessica A, Cloutier, Ryan N, Côté, Isabelle M

“…Echinoderm population collapses, driven by disease outbreaks and climatic events, may be important drivers of population dynamics, ecological shifts and…”
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GJ 1252 b: A 1.2 R⊕ Planet Transiting an M3 Dwarf at 20.4 pc by Shporer, Avi, Collins, Karen A., Astudillo-Defru, Nicola, Irwin, Jonathan, Bonfils, Xavier, Collins, Kevin I., Matthews, Elisabeth, Winters, Jennifer G., Anderson, David R., Armstrong, James D., Charbonneau, David, Cloutier, Ryan, Daylan, Tansu, Gan, Tianjun, Günther, Maximilian N., Hellier, Coel, Horne, Keith, Huang, Chelsea X., Jensen, Eric L. N., Kielkopf, John, Palle, Enric, Sefako, Ramotholo, Stassun, Keivan G., Tan, Thiam-Guan, Vanderburg, Andrew, Ricker, George R., Latham, David W., Vanderspek, Roland, Seager, Sara, Winn, Joshua N., Jenkins, Jon M, Colon, Knicole, Dressing, Courtney, Léepine, Sébastien, Muirhead, Philip S., Rose, Mark E., Twicken, Joseph D, Villasenor, Jesus Noel

“…We report the discovery of GJ 1252 b, a planet with a radius of 1.193 ± 0.074 R⊕ and an orbital period of 0.52 days around an M3-type star (0.381 ± 0.019 M⊕,…”
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HST/WFC3 Light Curve Supports a Terrestrial Composition for the Closest Exoplanet to Transit an M Dwarf by Pass, Emily K., Winters, Jennifer G., Charbonneau, David, Balkanski, Aurelia, Lewis, Nikole, Lally, Maura, Bean, Jacob L., Cloutier, Ryan, Eastman, Jason D.

“…Abstract Previous studies of the exoplanet LTT 1445Ac concluded that the light curve from the Transiting Exoplanet Survey Satellite (TESS) was consistent with…”
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Joint Modelling of Dust Scattering and Thermal Emission: The Spider Complex by Zhang, Jielai, Martin, Peter G., Cloutier, Ryan, Price-Jones, Natalie, Abraham, Roberto, van Dokkum, Pieter, Merritt, Allison

“…Abstract Observations across the electromagnetic spectrum of radiative processes involving interstellar dust—emission, absorption, and scattering—are used to…”
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TOI-1695 b: A Water World Orbiting an Early-M Dwarf in the Planet Radius Valley by Cherubim, Collin, Cloutier, Ryan, Charbonneau, David, Stockdale, Chris, Stassun, Keivan G., Schwarz, Richard P., Safonov, Boris, Mortier, Annelies, Lewin, Pablo, Latham, David W., Horne, Keith, Haywood, Raphaëlle D., Gonzales, Erica, Goliguzova, Maria V., Collins, Karen A., Ciardi, David R., Bieryla, Allyson, Belinski, Alexandre A., Wohler, Bill, Watson, Christopher A., Vanderspek, Roland, Udry, Stéphane, Sozzetti, Alessandro, Ségransan, Damien, Sasselov, Dimitar, Ricker, George R., Rice, Ken, Poretti, Ennio, Piotto, Giampaolo, Pepe, Francesco, Molinari, Emilio, Micela, Giuseppina, Mayor, Michel, Lovis, Christophe, López-Morales, Mercedes, Jenkins, Jon M., Essack, Zahra, Dumusque, Xavier, Doty, John P., Colón, Knicole D., Cameron, Andrew Collier, Buchhave, Lars A.

“…Abstract Characterizing the bulk compositions of transiting exoplanets within the M dwarf radius valley offers a unique means to establish whether the radius…”
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New Mass and Radius Constraints on the LHS 1140 Planets: LHS 1140 b Is either a Temperate Mini-Neptune or a Water World by Cadieux, Charles, Plotnykov, Mykhaylo, Doyon, René, Valencia, Diana, Jahandar, Farbod, Dang, Lisa, Turbet, Martin, Fauchez, Thomas J., Cloutier, Ryan, Cherubim, Collin, Artigau, Étienne, Cook, Neil J., Edwards, Billy, Hallatt, Tim, Charnay, Benjamin, Bouchy, François, Allart, Romain, Mignon, Lucile, Baron, Frédérique, Barros, Susana C. C., Benneke, Björn, Canto Martins, B. L., Cowan, Nicolas B., De Medeiros, J. R., Delfosse, Xavier, Delgado-Mena, Elisa, Dumusque, Xavier, Ehrenreich, David, Frensch, Yolanda G. C., González Hernández, J. I., Hara, Nathan C., Lafrenière, David, Lo Curto, Gaspare, Malo, Lison, Melo, Claudio, Mounzer, Dany, Passeger, Vera Maria, Pepe, Francesco, Poulin-Girard, Anne-Sophie, Santos, Nuno C., Sosnowska, Danuta, Suárez Mascareño, Alejandro, Thibault, Simon, Vaulato, Valentina, Wade, Gregg A., Wildi, François

“…Abstract The two-planet transiting system LHS 1140 has been extensively observed since its discovery in 2017, notably with Spitzer, HST, TESS, and ESPRESSO,…”
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Three Long-period Transiting Giant Planets from TESS by Brahm, Rafael, Ulmer-Moll, Solène, Hobson, Melissa J., Jordán, Andrés, Henning, Thomas, Trifonov, Trifon, Jones, Matías I., Schlecker, Martin, Espinoza, Nestor, Rojas, Felipe I., Torres, Pascal, Sarkis, Paula, Tala, Marcelo, Eberhardt, Jan, Kossakowski, Diana, Muñoz, Diego J., Hartman, Joel D., Boyle, Gavin, Suc, Vincent, Bouchy, François, Deline, Adrien, Chaverot, Guillaume, Grieves, Nolan, Lendl, Monika, Suarez, Olga, Guillot, Tristan, Triaud, Amaury H. M. J., Crouzet, Nicolas, Dransfield, Georgina, Cloutier, Ryan, Barkaoui, Khalid, Schwarz, Rick P., Stockdale, Chris, Harris, Mallory, Mireles, Ismael, Evans, Phil, Mann, Andrew W., Ziegler, Carl, Dragomir, Diana, Villanueva, Steven, Mordasini, Christoph, Ricker, George, Vanderspek, Roland, Latham, David W., Seager, Sara, Winn, Joshua N., Jenkins, Jon M., Vezie, Michael, Youngblood, Allison, Daylan, Tansu, Collins, Karen A., Caldwell, Douglas A., Ciardi, David R., Palle, Enric, Murgas, Felipe

“…Abstract We report the discovery and orbital characterization of three new transiting warm giant planets. These systems were initially identified as presenting…”
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Comprehensive High-resolution Chemical Spectroscopy of Barnard’s Star with SPIRou by Jahandar, Farbod, Doyon, René, Artigau, Étienne, Cook, Neil J., Cadieux, Charles, Lafrenière, David, Forveille, Thierry, Donati, Jean-François, Fouqué, Pascal, Carmona, Andrés, Cloutier, Ryan, Cristofari, Paul, Gaidos, Eric, Gomes da Silva, João, Malo, Lison, Martioli, Eder, do Nascimento, J.-D., Pelletier, Stefan, Vandal, Thomas, Venn, Kim

“…Abstract Determination of fundamental parameters of stars impacts all fields of astrophysics, from galaxy evolution to constraining the internal structure of…”
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Validation of a Third Planet in the LHS 1678 System by Silverstein, Michele L., Barclay, Thomas, Schlieder, Joshua E., Collins, Karen A., Schwarz, Richard P., Hord, Benjamin J., Rowe, Jason F., Kruse, Ethan, Astudillo-Defru, Nicola, Bonfils, Xavier, Caldwell, Douglas A., Charbonneau, David, Cloutier, Ryan, Collins, Kevin I., Daylan, Tansu, Fong, William, Jenkins, Jon M., Kunimoto, Michelle, McDermott, Scott, Murgas, Felipe, Palle, Enric, Ricker, George R., Seager, Sara, Shporer, Avi, Tey, Evan, Vanderspek, Roland, Winn, Joshua N.

“…Abstract The nearby LHS 1678 (TOI-696) system contains two confirmed planets and a wide-orbit, likely brown-dwarf companion, which orbit an M2 dwarf with a…”
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Prospects for detecting the Rossiter–McLaughlin effect of Earth-like planets: the test case of TRAPPIST-1b and c by Cloutier, Ryan, Triaud, Amaury H. M. J.

“…The Rossiter–McLaughlin effect is the principal method of determining the sky-projected spin–orbit angle (β) of transiting planets. Taking the example of the…”
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Independent Validation of the Temperate Super-Earth HD 79211 b using HARPS-N by DiTomasso, Victoria, Nava, Chantanelle, López-Morales, Mercedes, Bieryla, Allyson, Cloutier, Ryan, Malavolta, Luca, Mortier, Annelies, Buchhave, Lars A., Stassun, Keivan G., Sozzetti, Alessandro, Bonomo, Aldo Stefano, Charbonneau, David, Collier Cameron, Andrew, Cosentino, Rosario, Damasso, Mario, Dumusque, Xavier, Martínez Fiorenzano, A. F., Ghedina, Adriano, Harutyunyan, Avet, Haywood, R. D., Latham, David, Molinari, Emilio, Pepe, Francesco A., Pinamonti, Matteo, Poretti, Ennio, Rice, Ken, Sasselov, Dimitar, Stalport, Manu, Udry, Stéphane, Watson, Christopher, Wilson, Thomas G.

“…Abstract We present high-precision radial velocities (RVs) from the HARPS-N spectrograph for HD 79210 and HD 79211, two M0V members of a gravitationally bound…”
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FORECASTOR. I. Finding Optics Requirements and Exposure Times for the Cosmological Advanced Survey Telescope for Optical and UV Research Mission by Cheng, Isaac, Woods, Tyrone E., Côté, Patrick, Glover, Jennifer, Bansal, Dhananjhay, Amenouche, Melissa, Marshall, Madeline A., Amen, Laurie, Hutchings, John, Ferrarese, Laura, Venn, Kim A., Balogh, Michael, Blouin, Simon, Cloutier, Ryan, Dickson, Nolan, Gallagher, Sarah, Hellmich, Martin, Hénault-Brunet, Vincent, Khatu, Viraja, Lawlor-Forsyth, Cameron, Morgan, Cameron, Richer, Harvey, Sawicki, Marcin, Sorba, Robert

“…Abstract The Cosmological Advanced Survey Telescope for Optical and ultraviolet Research (CASTOR) is a proposed Canadian-led 1 m class space telescope that…”
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Orbital migration of giant planets induced by gravitationally unstable gaps: the effect of planet mass by Cloutier, Ryan, Lin, Min-Kai

“…It has been established that self-gravitating disc-satellite interaction can lead to the formation of a gravitationally unstable gap. Such an instability may…”
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JWST/NIRISS Reveals the Water-rich “Steam World” Atmosphere of GJ 9827 d by Piaulet-Ghorayeb, Caroline, Benneke, Björn, 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, Lafrenière, David, Acuña, Lorena, Komacek, Thaddeus, Innes, Hamish, Beatty, Thomas G., Cloutier, Ryan, Doyon, René, Gagnebin, Anna, Gapp, Cyril, Knutson, Heather A.

“…Abstract With sizable volatile envelopes but smaller radii than the solar system ice giants, sub-Neptunes have been revealed as one of the most common types of…”
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Transmission Spectroscopy of the Habitable Zone Exoplanet LHS 1140 b with JWST/NIRISS by Cadieux, Charles, Doyon, René, MacDonald, Ryan J., Turbet, Martin, Artigau, Étienne, Lim, Olivia, Radica, Michael, Fauchez, Thomas J., Salhi, Salma, Dang, Lisa, Albert, Loïc, Coulombe, Louis-Philippe, Cowan, Nicolas B., Lafrenière, David, L’Heureux, Alexandrine, Piaulet-Ghorayeb, Caroline, Benneke, Björn, Cloutier, Ryan, Charnay, Benjamin, Cook, Neil J., Fournier-Tondreau, Marylou, Plotnykov, Mykhaylo, Valencia, Diana

“…Abstract LHS 1140 b is the second-closest temperate transiting planet to Earth with an equilibrium temperature low enough to support surface liquid water. At…”
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COULD JUPITER OR SATURN HAVE EJECTED A FIFTH GIANT PLANET? by Cloutier, Ryan, Tamayo, Daniel, Valencia, Diana

“…ABSTRACT Models of the dynamical evolution of the early solar system that follow the dispersal of the gaseous protoplanetary disk have been widely successful…”
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Investigating the young AU Mic system with SPIRou: large-scale stellar magnetic field and close-in planet mass by Klein, Baptiste, Donati, Jean-François, Moutou, Claire, Delfosse, Xavier, Bonfils, Xavier, Martioli, Eder, Fouqué, Pascal, Cloutier, Ryan, Artigau, Étienne, Doyon, René, Hébrard, Guillaume, Morin, Julien, Rameau, Julien, Plavchan, Peter, Gaidos, Eric

“…ABSTRACT We present a velocimetric and spectropolarimetric analysis of 27 observations of the 22-Myr M1 star AU Microscopii (AU Mic) collected with the…”
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CO or no CO? Narrowing the CO abundance constraint and recovering the H2O detection in the atmosphere of WASP-127 b using SPIRou by Boucher, Anne, Lafreniére, David, Pelletier, Stefan, Darveau-Bernier, Antoine, Radica, Michael, Allart, Romain, Artigau, Étienne, Cook, Neil J, Debras, Florian, Doyon, René, Gaidos, Eric, Benneke, Björn, Cadieux, Charles, Carmona, Andres, Cloutier, Ryan, Cortés-Zuleta, Pía, Cowan, Nicolas B, Delfosse, Xavier, Donati, Jean-François, Fouqué, Pascal, Forveille, Thierry, Grankin, Konstantin, Hébrard, Guillaume, Martins, Jorge H C, Martioli, Eder, Masson, Adrien, Vinatier, Sandrine

“…ABSTRACT Precise measurements of chemical abundances in planetary atmospheres are necessary to constrain the formation histories of exoplanets. A recent study…”
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DEEP THERMAL INFRARED IMAGING OF HR 8799 bcde: NEW ATMOSPHERIC CONSTRAINTS AND LIMITS ON A FIFTH PLANET by Currie, Thayne, Burrows, Adam, Girard, Julien H, Cloutier, Ryan, Fukagawa, Misato, SORAHANA, SATOKO, Kuchner, Marc, Kenyon, Scott J, MADHUSUDHAN, NIKKU, Itoh, Yoichi, Jayawardhana, Ray, Matsumura, Soko, Pyo, Tae-Soo

“…We present new L' (3.8 mu m) and Br alpha (4.05 mu m) data and reprocessed archival L' data for the young, planet-hosting star HR 8799 obtained with…”
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