Photochemically-produced SO$_2$ in the atmosphere of WASP-39b

Autor: Tsai, Shang-Min, Lee, Elspeth K. H., Powell, Diana, Gao, Peter, Zhang, Xi, Moses, Julianne, Hébrard, Eric, Venot, Olivia, Parmentier, Vivien, Jordan, Sean, Hu, Renyu, Alam, Munazza K., Alderson, Lili, Batalha, Natalie M., Bean, Jacob L., Benneke, Björn, Bierson, Carver J., Brady, Ryan P., Carone, Ludmila, Carter, Aarynn L., Chubb, Katy L., Inglis, Julie, Leconte, Jérémy, Lopez-Morales, Mercedes, Miguel, Yamila, Molaverdikhani, Karan, Rustamkulov, Zafar, Sing, David K., Stevenson, Kevin B., Wakeford, Hannah R, Yang, Jeehyun, Aggarwal, Keshav, Baeyens, Robin, Barat, Saugata, Borro, Miguel de Val, Daylan, Tansu, Fortney, Jonathan J., France, Kevin, Goyal, Jayesh M, Grant, David, Kirk, James, Kreidberg, Laura, Louca, Amy, Moran, Sarah E., Mukherjee, Sagnick, Nasedkin, Evert, Ohno, Kazumasa, Rackham, Benjamin V., Redfield, Seth, Taylor, Jake, Tremblin, Pascal, Visscher, Channon, Wallack, Nicole L., Welbanks, Luis, Youngblood, Allison, Ahrer, Eva-Maria, Batalha, Natasha E., Behr, Patrick, Berta-Thompson, Zachory K., Blecic, Jasmina, Casewell, S. L., Crossfield, Ian J. M., Crouzet, Nicolas, Cubillos, Patricio E., Decin, Leen, Désert, Jean-Michel, Feinstein, Adina D., Gibson, Neale P., Harrington, Joseph, Heng, Kevin, Henning, Thomas, Kempton, Eliza M. -R., Krick, Jessica, Lagage, Pierre-Olivier, Lendl, Monika, Line, Michael, Lothringer, Joshua D., Mansfield, Megan, Mayne, N. J., Mikal-Evans, Thomas, Palle, Enric, Schlawin, Everett, Shorttle, Oliver, Wheatley, Peter J., Yurchenko, Sergei N.

Photochemistry is a fundamental process of planetary atmospheres that regulates the atmospheric composition and stability. However, no unambiguous photochemical products have been detected in exoplanet atmospheres to date. Recent observations from th

Externí odkaz: http://arxiv.org/abs/2211.10490

A bimodal distribution of haze in Pluto's atmosphere

Autor: Fan, Siteng, Gao, Peter, Zhang, Xi, Adams, Danica J., Kutsop, Nicholas W., Bierson, Carver J., Liu, Chao, Yang, Jiani, Young, Leslie A., Cheng, Andrew F., Yung, Yuk L.

Publikováno v: Nat Commun 13, 240 (2022)

Pluto, Titan, and Triton make up a unique class of solar system bodies, with icy surfaces and chemically reducing atmospheres rich in organic photochemistry and haze formation. Hazes play important roles in these atmospheres, with physical and chemic

Externí odkaz: http://arxiv.org/abs/2201.04392

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A bimodal distribution of haze in Pluto’s atmosphere

Autor: Siteng Fan, Peter Gao, Xi Zhang, Danica J. Adams, Nicholas W. Kutsop, Carver J. Bierson, Chao Liu, Jiani Yang, Leslie A. Young, Andrew F. Cheng, Yuk L. Yung

Publikováno v: Nature Communications, Vol 13, Iss 1, Pp 1-11 (2022)

Pluto’s haze is revealed to have two types of particles: small spherical organic haze particles and micron-size fluffy aggregates. The persistence of these two populations has important implications for haze formation and properties on icy worlds.

Externí odkaz: https://doaj.org/article/a57aec91d44d4a28bbe9d41e643c0215

Mean radius and shape of Pluto and Charon from New Horizons images

Autor: Nimmo, Francis, Umurhan, Orkan M, Lisse, Carey M, Bierson, Carver J, Lauer, Tod R, Buie, Marc W, Throop, Henry B, Kammer, Josh A, Roberts, James H, McKinnon, William B, Zangari, Amanda M, Moore, Jeffrey M, Stern, S Alan, Young, Leslie A, Weaver, Harold A, Olkin, Cathy B, Ennico, Kim, team, the New Horizons GGI

Approach images taken by the LORRI imaging system during the New Horizons spacecraft encounter have been used to determine the mean radii and shapes of Pluto and Charon. The primary observations are limb locations derived using three independent appr

Externí odkaz: http://arxiv.org/abs/1603.00821