Results 101 to 110 of about 1,575 (209)

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, Anastasia Triantafillides   +15 more
doaj   +1 more source

Irradiated Atmospheres. IV. Effect of Mixing Heat Flux on Chemistry

The Astrophysical Journal
Vertical mixing disrupts the thermochemical equilibrium and introduces additional heat flux that alters exoplanetary atmospheric temperatures. We investigate how this mixing-induced heat flux affects atmospheric chemistry.
Zhen-Tai Zhang, Wei Zhong, Wei Wang, Jianheng Guo, Xianyu Tan, Bo Ma, Ruyi Wei, Cong Yu   +7 more
doaj   +1 more source

Unraveling the Mystery of the Peculiar and Young Hot Jupiter CoRoT-2b. I. H2O and CO Detection from Dayside Observations with Gemini-S/IGRINS

The Astronomical Journal
We present ground-based high-resolution spectroscopic pre-eclipse observations of the hot Jupiter CoRoT-2b obtained with the IGRINS spectrograph on Gemini South.
Ying Shu, Lisa Dang, Antoine Darveau-Bernier, Aurora Kesseli, Luc Bazinet, Justin Lipper, Stefan Pelletier, Romain Allart, Nicolas B. Cowan, David Lafreniére, Emily Rauscher, Alejandro Sánchez-López, Björn Benneke, Anne Boucher, René Doyon   +14 more
doaj   +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

PHOTOCHEMISTRY IN TERRESTRIAL EXOPLANET ATMOSPHERES. I. PHOTOCHEMISTRY MODEL AND BENCHMARK CASES

, 2011
We present a comprehensive photochemistry model for exploration of the chemical composition of terrestrial exoplanet atmospheres. The photochemistry model is designed from the ground up to have the capacity to treat all types of terrestrial planet ...
William Bains, Sara Seager, Seager, Sara, Bains, William, Hu, Renyu, Renyu Hu   +5 more
core   +1 more source

Confirmation of Fe i on MASCARA-5 b’s Dayside Observed With EXPRES

The Astronomical Journal
MASCARA-5 b/TOI-1431 b is an ultra-hot Jupiter ( P _orb  = 2.650237 ± 0.000003 dayd, T _eq  = 2370 ± 70 K, M _p  = 3.12 ± 0.18 M _Jup , R _p  = 1.49 ± 0.05 R _Jup ) orbiting a bright Am star ( V  = 8.0 mag).
James T. Sikora, Joe Llama, Rachael M. Roettenbacher, Elisabeth M. Brann, Jean-Michel Désert, Alex S. Polanski, Malena Rice, Lily Zhao   +7 more
doaj   +1 more source

The composition and dynamics of exoplanet atmospheres. [PDF]

The study of exoplanets has rapidly developed in the last twenty years, and the detailed characterization of planetary atmospheres has become a key area of research.\ud \ud For transiting planets around bright stars, atmospheric features can be detected with transmission spectroscopy.
openaire  

Early Accretion of Large Amounts of Solids for Directly Imaged Exoplanets

The Astrophysical Journal
As the number of planetary-mass objects (PMOs; ⪅13 M _Jupiter ) at wider separation (⪆10 au) grows, there is emerging evidence that they form differently from their higher-mass brown dwarf counterparts.
Ji Wang
doaj   +1 more source

Chemical modeling of exoplanet atmospheres

, 2014
International audienceThe past twenty years have revealed the diversity of planets that exist in the Universe. It turned out that most of exoplanets are different from the planets of our Solar System and thus, everything about them needs to be explored ...
O. Venot, Agúndez, M., Venot, O., M. Agúndez, Venot, Olivia, Agúndez, Marcelino   +5 more
core   +1 more source

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