Promise and Peril: Stellar Contamination and Strict Limits on the Atmosphere Composition of TRAPPIST-1 c from JWST NIRISS Transmission Spectra by Michael Radica, Caroline Piaulet-Ghorayeb, Jake Taylor, Louis-Philippe Coulombe, Björn Benneke, Loic Albert, Étienne Artigau, Nicolas B. Cowan, René Doyon, David Lafrenière, Alexandrine L’Heureux, Olivia Lim

Get full text

Detailed Architecture of the L 98-59 System and Confirmation of a Fifth Planet in the Habitable Zone by Charles 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

Get full text

Strict Limits on Potential Secondary Atmospheres on the Temperate Rocky Exo-Earth TRAPPIST-1 d by Caroline 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

Get full text

Three Years of High-contrast Imaging of the PDS 70 b and c Exoplanets at Hα with MagAO-X: Evidence of Strong Protoplanet Hα Variability and Circumplanetary Dust by Laird M. Close, Jared R. Males, Jialin Li, Sebastiaan Y. Haffert, Joseph D. Long, Alexander D. Hedglen, Alycia J. Weinberger, Katherine B. Follette, Daniel Apai, Rene Doyon, Warren Foster, Victor Gasho, Kyle Van Gorkom, Olivier Guyon, Maggie Y. Kautz, Jay Kueny, Jennifer Lumbres, Avalon McLeod, Eden McEwen, Clarissa Pavao, Logan Pearce, Laura Perez, Lauren Schatz, Judit Szulágyi, Kevin Wagner, Ya-Lin Wu

Get full text

Escaping Helium and a Highly Muted Spectrum Suggest a Metal-enriched Atmosphere on Sub-Neptune GJ 3090 b from JWST Transit Spectroscopy by Eva-Maria Ahrer, Michael Radica, Caroline Piaulet-Ghorayeb, Eshan Raul, Lindsey Wiser, Luis Welbanks, Lorena Acuña, Romain Allart, Louis-Philippe Coulombe, Amy Louca, Ryan MacDonald, Morgan Saidel, Thomas M. Evans-Soma, Björn Benneke, Duncan Christie, Thomas G. Beatty, Charles Cadieux, Ryan Cloutier, René Doyon, Jonathan J. Fortney, Anna Gagnebin, Cyril Gapp, Hamish Innes, Heather A. Knutson, Thaddeus Komacek, Joshua Krissansen-Totton, Yamila Miguel, Raymond Pierrehumbert, Pierre-Alexis Roy, Hilke E. Schlichting

Get full text

Wide Separation Planets in Time (WISPIT): Discovery of a Gap Hα Protoplanet WISPIT 2b with MagAO-X by Laird M. Close, Richelle F. van Capelleveen, Gabriel Weible, Kevin Wagner, Sebastiaan Y. Haffert, Jared R. Males, Ilya Ilyin, Matthew A. Kenworthy, Jialin Li, Joseph D. Long, Steve Ertel, Christian Ginski, Alycia J. Weinberger, Kate Follette, Joshua Liberman, Katie Twitchell, Parker Johnson, Jay Kueny, Daniel Apai, Rene Doyon, Warren Foster, Victor Gasho, Kyle Van Gorkom, Olivier Guyon, Maggie Y. Kautz, Avalon McLeod, Eden McEwen, Logan Pearce, Lauren Schatz, Alexander D. Hedglen, Ya-Lin Wu, Jacob Isbell, Jenny Power, Jared Carlson, Emmeline Close, Elena Tonucci, Matthijs Mars

Get full text

A New Brown Dwarf Orbiting an M Star and an Investigation of the Eccentricity Distribution of Transiting Long-period Brown Dwarfs by Tianjun 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

Get full text