Results 101 to 110 of about 59,298 (206)

Sulfur Dioxide and Other Molecular Species in the Atmosphere of the Sub-Neptune GJ 3470 b

The Astrophysical Journal Letters
We report observations of the atmospheric transmission spectrum of the sub-Neptune exoplanet GJ 3470 b taken using the Near-Infrared Camera on JWST.
Thomas G. Beatty, Luis Welbanks, Everett Schlawin, Taylor J. Bell, Michael R. Line, Matthew Murphy, Isaac Edelman, Thomas P. Greene, Jonathan J. Fortney, Gregory W. Henry, Sagnick Mukherjee, Kazumasa Ohno, Vivien Parmentier, Emily Rauscher, Lindsey S. Wiser, Kenneth E. Arnold   +15 more
doaj   +1 more source

New Frontiers for Terrestrial-sized to Neptune-sized Exoplanets In the Era of Extremely Large Telescopes [PDF]

, 2019
Surveys reveal that terrestrial- to Neptune-sized planets (1 $< R
Boss, Alan, Close, Laird, Currie, Thayne, Dragomir, Diana, Fortney, Jonathan, Gaidos, Eric, Hasegawa, Yasuhiro, Kitiashvili, Irina, Konopacky, Quinn, Lee, Chien-Hsiu, Lewis, Nikole K., Liu, Michael, Lopez-Morales, Mercedes, Lupu, Roxana, Mawet, Dimitri, Melis, Carl, Meyer, Michael R., Morley, Caroline V., Packham, Chris, Peretz, Eliad, Skemer, Andy, Ulmer, Mel, Wang, Ji   +22 more
core   +1 more source

Experimental and Numerical Constraints on the Masses and Compositions of Rocky Exoplanet Atmospheres

ISSN:0002 ...
Thompson, Margaret April; id_orcid0000-0002-6178-9055, Sossi, Paolo, Bower, Dan J.; id_orcid0000-0002-0673-4860, Shahar, Anat, Petitgirard, Sylvain, Tian, Meng   +5 more
openaire   +2 more sources

Experimental investigation of the molecular composition of organic hazes in a water-rich exoplanet atmosphere

Transmission spectra have suggested that condensate clouds and/ or photochemical haze are present in the atmospheres of many temperate to warm exoplanets [1]. Aerosols can affect atmospheric composition directly through condensation and heterogeneous reactions, and indirectly by impacting the depth of penetration of photolyzing radiation, as well as ...
Vuitton, Véronique, Wolters, Cedric, Schmitz, Isabelle, He, Chao, Orthous-Daunay, Francois-Regis, Moran, Sarah, Afonso, Carlos, Horst, Sarah, Lewis, Nikole, Moses, Julianne   +9 more
openaire   +2 more sources

Global Chemical Transport on Hot Jupiters: Insights from the 2D VULCAN Photochemical Model

The Astrophysical Journal
The atmospheric dynamics of tidally locked hot Jupiters is characterized by strong equatorial winds. Understanding the interaction between global circulation and chemistry is crucial in atmospheric studies and interpreting observations.
Shang-Min Tsai, Vivien Parmentier, João M. Mendonça, Xianyu Tan, Russell Deitrick, Mark Hammond, Arjun B. Savel, Xi Zhang, Raymond T. Pierrehumbert, Edward W. Schwieterman   +9 more
doaj   +1 more source

The Metallicity and Carbon-to-oxygen Ratio of the Ultrahot Jupiter WASP-76b from Gemini-S/IGRINS

The Astronomical Journal
Measurements of the carbon-to-oxygen (C/O) ratios of exoplanet atmospheres can reveal details about their formation and evolution. Recently, high-resolution cross-correlation analysis has emerged as a method of precisely constraining the C/O ratios of ...
Megan Weiner Mansfield, Michael R. Line, Joost P. Wardenier, Matteo Brogi, Jacob L. Bean, Hayley Beltz, Peter Smith, Joseph A. Zalesky, Natasha Batalha, Eliza M.-R. Kempton, Benjamin T. Montet, James E. Owen, Peter Plavchan, Emily Rauscher   +13 more
doaj   +1 more source

A Photochemical Phosphorus-Hydrogen-Oxygen Network for Hydrogen-dominated Exoplanet Atmospheres

The Astrophysical Journal
Due to the detection of phosphine (PH _3 ) in the solar system gas giants Jupiter and Saturn, PH _3 has long been suggested to be detectable in exosolar substellar atmospheres too.
Elspeth K. H. Lee, Shang-Min Tsai, Julianne I. Moses, John M. C. Plane, Channon Visscher, Stephen J. Klippenstein   +5 more
doaj   +1 more source

The Need for Laboratory Measurements and Ab Initio Studies to Aid Understanding of Exoplanetary Atmospheres

, 2019
We are now on a clear trajectory for improvements in exoplanet observations that will revolutionize our ability to characterize their atmospheric structure, composition, and circulation, from gas giants to rocky planets.
Airapetian, Vladimir, Alam, Munazza, Arney, Giada, Ascenzi, Daniela, Batalha, Natalie, Batalha, Natasha, Benilan, Yves, Blecic, Jasmina, Bott, Kimberly, Bouwman, Jordy, Close, Laird, Del Genio, Anthony D., Deming, Drake, Desert, Jean-Michel, Domagal-Goldman, Shawn, Dong, Chuanfei, Dressing, Courtney, Drouin, Brian, Fauchez, Thomas, Fleury, Benjamin, Fortney, Jonathan J., Freedman, Richard, Gao, Peter, Gavilan, Lisseth, Gharib-Nezhad, Ehsan, Gizis, John, Gordon, Iouli E., Goyal, Jayesh, Gronoff, Guillaume, Gudipati, Murthy, Haghighipour, Nader, Hargreaves, Robert J., Henderson, Bryana, Horst, Sarah, Hu, Renyu, Huang, Xinchuan, Iro, Nicolas, Irwin, Patrick, Jensen-Clem, Rebecca, Johnson, Alexandria V, Kane, Stephen, Kao, Der-you, Karman, Tijs, Kempton, Eliza, Kitiashvili, Irina, Kreidberg, Laura, Krissansen-Totton, Joshua, Lee, Timothy, Lee, Timothy J., Lewis, Nikole, Line, Mike, Linnartz, Harold, Lopez-Morales, Mercedes, Lothringer, Joshua, Louden, Tom, Lupu, Roxana, Lustig-Yaeger, Jacob, Lyons, Timothy, Madhusudhan, Nikku, Mancini, Luigi, Marley, Mark S., Milam, Stefanie, Molaverdikhani, Karan, Molliere, Paul, Moses, Julianne, Pierrehumbert, Raymond, Ramirez, Ramses M., Rieker, Gregory B., Robinson, Tyler, Robinson, Tyler D., Rogers, Leslie, Rugheimer, Sarah, Rustamkulov, Zafar, Salama, Farid, Savin, Daniel Wolf, Schwieterman, Edward, Shkolnik, Evgenya, Sousa-Silva, Clara, Stevenson, Kevin, Sung, Keeyoon, Swain, Mark, Taylor, Jake, Tennyson, Jonathan, Turbet, Martin, Venot, Olivia, Wordsworth, Robin, Yurchenko, Sergei N, Zellem, Robert   +87 more
core  

Strong Fractionation of Deuterium and Helium in Sub-Neptune Atmospheres along the Radius Valley

The Astrophysical Journal
We simulate atmospheric fractionation in escaping planetary atmospheres using IsoFATE , a new open-source numerical model. We expand the parameter space studied previously to planets with tenuous atmospheres that exhibit the greatest helium and deuterium
Collin Cherubim, Robin Wordsworth, Renyu Hu, Evgenya Shkolnik   +3 more
doaj   +1 more source

Atmospheric Chemistry of Secondary and Hybrid Atmospheres of Super Earths and Sub-Neptunes

The Astrophysical Journal
The atmospheres of small exoplanets likely derive from a combination of geochemical outgassing and primordial gases left over from formation. Secondary atmospheres, such as those of Earth, Mars, and Venus, are sourced by outgassing. Persistent outgassing
Meng Tian, Kevin Heng
doaj   +1 more source