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We have obtained high-resolution spectra of Jupiter's Great Red Spot (GRS) between 4.6 and 5.4 microns using telescopes on Mauna Kea in order to derive gas abundances and to constrain its cloud structure between 0.5 and 5~bars. We used line…

Earth and Planetary Astrophysics · Physics 2018-08-29 Gordon L. Bjoraker , Michael H. Wong , Imke de Pater , Tilak Hewagama , Mate Adamkovics , Glenn S. Orton

We observed Jupiter at wavelengths near 2 cm with the Karl G. Jansky Very Large Array in February 2015. These frequencies are mostly sensitive to variations in ammonia abundance and probe between ~0.5-2.0 bars of pressure in Jupiter's…

Earth and Planetary Astrophysics · Physics 2017-01-23 Richard Cosentino , Bryan Butler , Bob Sault , Raul Morales-Juberias , Amy Simon , Imke de Pater

We have obtained long-slit, infrared spectra of Jupiter with the Anglo Australian Telescope in the K and H bands at a resolving power of 2260. Using a line-by-line, radiative transfer model with the latest, improved spectral line data for…

Solar and Stellar Astrophysics · Physics 2015-05-27 Lucyna Kedziora-Chudczer , Jeremy Bailey

Using a general circulation model (GCM), we investigate trends in simulated hot Jupiter atmospheres for a range of irradiation temperatures (1,500 - 4,000 K), surface gravities (10 and 40 m s-2), and cloud conditions. Our models include…

Earth and Planetary Astrophysics · Physics 2021-02-24 Michael T. Roman , Eliza M. -R. Kempton , Emily Rauscher , Caleb K. Harada , Jacob L. Bean , Kevin B. Stevenson

Jupiter's banded structure undergoes strong temporal variations, changing the visible and infrared appearance of the belts and zones in a complex and turbulent way due to physical processes that are not yet understood. In this study we use…

Towering storms, swirling clouds, and vortices are the cloud tops manifestation of complex weather systems shaping the atmosphere of Jupiter. We use observations from Juno's MicroWave Radiometer (MWR), the Very Large Array (VLA) and the…

Earth and Planetary Astrophysics · Physics 2025-04-15 Chris Moeckel , Imke de Pater , Bob Sault , Bryan Butler

Ultra-hot Jupiters have recently attracted interest from observers and theoreticians alike, as they provide observationally accessible test cases. We apply a hierarchical modelling approach as a virtual laboratory to study cloud formation…

Earth and Planetary Astrophysics · Physics 2020-01-08 Ch. Helling , N. Iro , L. Corrales , D. Samra , K. Ohno , M. K. Alam , M. Steinrueck , B. Lew , K. Molaverdikhani , R. J MacDonald , O. Herbort , P. Woitke , V. Parmentier

Jupiter's tropospheric composition and cloud structure are studied using Cassini VIMS 4.5-5.1 {\mu}m thermal emission spectra from the 2000-2001 flyby. We make use of both nadir and limb darkening observations on the planet's nightside, and…

Earth and Planetary Astrophysics · Physics 2017-10-11 Rohini S. Giles , Leigh N. Fletcher , Patrick G. J. Irwin

Interior models of gas giants in the Solar System traditionally assume a fully convective molecular hydrogen envelope. However, recent observations from the Juno mission suggest a possible depletion of alkali metals in Jupiter's molecular…

Earth and Planetary Astrophysics · Physics 2025-01-29 Louis Siebenaler , Yamila Miguel , Sam de Regt , Tristan Guillot

Hot Jupiters have been predicted to have a strong day/night temperature contrast and a hot spot shifted eastward of the substellar point. This was confirmed by numerous phase curve observations probing the longitudinal brightness variation…

Earth and Planetary Astrophysics · Physics 2020-11-18 Vivien Parmentier , Adam P. Showman , Jonathan J. Fortney

Near-Infrared spectra of Jupiter's South Equatorial Belt (SEB) with AAT/IRIS2 in H and K bands at a resolving power of R~2400 have been obtained. By creating line-by-line radiative transfer models with the latest improved spectral line data…

Earth and Planetary Astrophysics · Physics 2021-07-26 Behrooz Karamiqucham , Jeremy A. Bailey , Lucyna Kedziora-Chudczer , Daniel V. Cotton

Hot Jupiters are among the best-studied exoplanets, but it is still poorly understood how their chemical composition and cloud properties vary with longitude. Theoretical models predict that clouds may condense on the nightside and that…

Earth and Planetary Astrophysics · Physics 2024-01-25 Taylor J. Bell , Nicolas Crouzet , Patricio E. Cubillos , Laura Kreidberg , Anjali A. A. Piette , Michael T. Roman , Joanna K. Barstow , Jasmina Blecic , Ludmila Carone , Louis-Philippe Coulombe , Elsa Ducrot , Mark Hammond , João M. Mendonça , Julianne I. Moses , Vivien Parmentier , Kevin B. Stevenson , Lucas Teinturier , Michael Zhang , Natalie M. Batalha , Jacob L. Bean , Björn Benneke , Benjamin Charnay , Katy L. Chubb , Brice-Olivier Demory , Peter Gao , Elspeth K. H. Lee , Mercedes López-Morales , Giuseppe Morello , Emily Rauscher , David K. Sing , Xianyu Tan , Olivia Venot , Hannah R. Wakeford , Keshav Aggarwal , Eva-Maria Ahrer , Munazza K. Alam , Robin Baeyens , David Barrado , Claudio Caceres , Aarynn L. Carter , Sarah L. Casewell , Ryan C. Challener , Ian J. M. Crossfield , Leen Decin , Jean-Michel Désert , Ian Dobbs-Dixon , Achrène Dyrek , Néstor Espinoza , Adina D. Feinstein , Neale P. Gibson , Joseph Harrington , Christiane Helling , Renyu Hu , Nicolas Iro , Eliza M. -R. Kempton , Sarah Kendrew , Thaddeus D. Komacek , Jessica Krick , Pierre-Olivier Lagage , Jérémy Leconte , Monika Lendl , Neil T. Lewis , Joshua D. Lothringer , Isaac Malsky , Luigi Mancini , Megan Mansfield , Nathan J. Mayne , Thomas Mikal-Evans , Karan Molaverdikhani , Nikolay K. Nikolov , Matthew C. Nixon , Enric Palle , Dominique J. M. Petit dit de la Roche , Caroline Piaulet , Diana Powell , Benjamin V. Rackham , Aaron D. Schneider , Maria E. Steinrueck , Jake Taylor , Luis Welbanks , Sergei N. Yurchenko , Xi Zhang , Sebastian Zieba

The day and nightside temperatures of hot Jupiters are diagnostic of heat transport processes in their atmospheres. Recent observations have shown that the nightsides of hot Jupiters are a nearly constant 1100 K for a wide range of…

Earth and Planetary Astrophysics · Physics 2021-09-08 Peter Gao , Diana Powell

Jupiter's gravity field observed by NASA's Juno spacecraft indicates that the density in the 10--100 GPa region is lower than one would expect from a H/He adiabat with 0.5-5x solar water abundance as has been observationally inferred in…

Earth and Planetary Astrophysics · Physics 2025-04-02 Nadine Nettelmann , Jonathan J. Fortney

Juno Microwave Radiometer (MWR) observations of Jupiter's mid-latitudes reveal a strong correlation between brightness temperature contrasts and zonal winds, confirming that the banded structure extends throughout the troposphere. However,…

Earth and Planetary Astrophysics · Physics 2021-10-28 L. N. Fletcher , F. A. Oyafuso , M. Allison , A. Ingersoll , L. Li , Y. Kaspi , E. Galanti , M. H. Wong , G. S. Orton , K. Duer , Z. Zhang , C. Li , T. Guillot , S. M. Levin , S. Bolton

Over a large range of equilibrium temperatures, clouds shape the transmission spectrum of hot Jupiter atmospheres, yet their composition remains unknown. Recent observations show that the Kepler lightcurves of some hot Jupiters are…

Earth and Planetary Astrophysics · Physics 2016-08-31 Vivien Parmentier , Jonathan J. Fortney , Adam P. Showman , Caroline V. Morley , Mark S. Marley

We present results from an atmospheric circulation study of nine hot Jupiters that comprise a large transmission spectral survey using the Hubble and Spitzer Space Telescopes. These observations exhibit a range of spectral behavior over…

Earth and Planetary Astrophysics · Physics 2016-04-20 Tiffany Kataria , David K. Sing , Nikole K. Lewis , Channon Visscher , Adam P. Showman , Jonathan J. Fortney , Mark S. Marley

Mid-infrared 7-20 $\mu$m imaging of Jupiter demonstrates that the increased albedo of Jupiter's South Equatorial Belt (SEB) during the `fade' (whitening) event of 2009-2010 was correlated with changes to atmospheric temperature and aerosol…

Global maps of Jupiter's atmospheric temperatures, gaseous composition and aerosol opacity are derived from a programme of 5-20 $\mu$m mid-infrared spectroscopic observations using the Texas Echelon Cross Echelle Spectrograph (TEXES) on…

Earth and Planetary Astrophysics · Physics 2017-06-14 L. N. Fletcher , T. K. Greathouse , G. S. Orton , J. A. Sinclair , R. S. Giles , P. G. J. Irwin , T. Encrenaz

We present thermal phase curve measurements for the hot Jupiter WASP-103b observed with Hubble/WFC3 and Spitzer/IRAC. The phase curves have large amplitudes and negligible hotspot offsets, indicative of poor heat redistribution to the…

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