Depth of a strong jovian jet from a planetary-scale disturbance driven by storms

A. Sánchez-Lavega (), G. S. Orton, R. Hueso, E. García-Melendo, S. Pérez-Hoyos, A. Simon-Miller, J. F. Rojas, J. M. Gómez, P. Yanamandra-Fisher, L. Fletcher, J. Joels, J. Kemerer, J. Hora, E. Karkoschka, I. de Pater, M. H. Wong, P. S. Marcus, N. Pinilla-Alonso, F. Carvalho, C. Go, D. Parker, M. Salway, M. Valimberti, A. Wesley and Z. Pujic
Additional contact information
A. Sánchez-Lavega: ETS Ingenieros, Universidad del País Vasco, Alameda Urquijo s/n, 48013 Bilbao, Spain
G. S. Orton: MS 169-237, Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, California 91109, USA
R. Hueso: ETS Ingenieros, Universidad del País Vasco, Alameda Urquijo s/n, 48013 Bilbao, Spain
E. García-Melendo: Esteve Duran Observatory Foundation
S. Pérez-Hoyos: ETS Ingenieros, Universidad del País Vasco, Alameda Urquijo s/n, 48013 Bilbao, Spain
A. Simon-Miller: NASA Goddard Space Flight Center, Code 693, 8800 Greenbelt Road, Greenbelt, Maryland 2077, USA
J. F. Rojas: EUITI, Universidad País Vasco, Plaza Casilla s/n, 48013 Bilbao, Spain
J. M. Gómez: Esteve Duran Observatory Foundation
P. Yanamandra-Fisher: MS 169-237, Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, California 91109, USA
L. Fletcher: Atmospheric, Oceanic and Planetary Physics, Clarendon Laboratory, University of Oxford, Parks Road, Oxford, OX1 3PU, UK
J. Joels: Principia College, 1 Maybeck Place, Elsah, Illinois 62028, USA
J. Kemerer: California State Polytechnic University, 3801 West Temple Street, Pomona, California 91768, USA
J. Hora: Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, Massachusetts 02138, USA
E. Karkoschka: University of Arizona, Tucson, Arizona 85721, USA
I. de Pater: Astronomy Department,
M. H. Wong: Astronomy Department,
P. S. Marcus: University of California, Berkeley, California 94720-3411, USA
N. Pinilla-Alonso: Telescopio Nazionale Galileo Galilei (TNG), Roque de Los Muchachos Astronomical Observatory, 38700 Santa Cruz de La Palma, Spain
F. Carvalho: Centro de Estudos do Universo (CEU)
C. Go: University of San Carlos, Nasipit, Talamban, 6000 Cebu City, Philippines
D. Parker: Association of Lunar and Planetary Observers (ALPO), 12911 Lerida Street, Coral Gables, Florida 33156, USA
M. Salway: IceInSpace, PO Box 9127, Wyoming, New South Wales 2250, Australia
M. Valimberti: Astronomical Society of Victoria, GPO Box 1059, Melbourne, Victoria 3001, Australia
A. Wesley: Mathematics and Computer Science, 82 Merryville Drive, Murrumbateman 2582, Australia
Z. Pujic: 23 Attunga Street, Kingston 4114, Queensland, Australia

Nature, 2008, vol. 451, issue 7177, 437-440

Abstract: Jupiter's fiercest jet To coincide with the flyby of the Pluto-bound New Horizons probe, Jupiter was the target of intensive observation, starting in February 2007, from a battery of ground-based telescopes and the Hubble Space Telescope (HST). Weeks into the project, on 25 March, an intense disturbance developed in Jupiter's strongest jet at 23° North latitude, lasting to June 2007. This type of event is rare — the last ones were seen in 1990 and 1975. The onset of the disturbance was captured by the HST, and the development of two plumes was followed in unprecedented detail. The two plumes (bright white spots in the small infrared image on the cover) towered 30 km above the surrounding clouds. The nature of the power source for the jets that dominate the atmospheres of Jupiter and Saturn is a controversial matter, complicated by the interplay of local and planet-wide meteorological factors. The new observations are consistent with a wind extending deep into the atmosphere, well below the level reached by solar radiation. In the larger cover image, turbulence caused by the plumes can be seen in the band that is home to the jet.

Date: 2008
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DOI: 10.1038/nature06533

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