Utilizza questo identificativo per citare o creare un link a questo documento:
http://hdl.handle.net/20.500.12386/30590
Campo DC | Valore | Lingua |
---|---|---|
dc.contributor.author | Fletcher, Leigh N. | en_US |
dc.contributor.author | Melin, H. | en_US |
dc.contributor.author | ADRIANI, Alberto | en_US |
dc.contributor.author | Simon, A. A. | en_US |
dc.contributor.author | Sanchez-Lavega, A. | en_US |
dc.contributor.author | Donnelly, P. T. | en_US |
dc.contributor.author | Antuñano, A. | en_US |
dc.contributor.author | Orton, G. S. | en_US |
dc.contributor.author | Hueso, R. | en_US |
dc.contributor.author | Kraaikamp, E. | en_US |
dc.contributor.author | Wong, M. H. | en_US |
dc.contributor.author | Barnett, M. | en_US |
dc.contributor.author | Moriconi, M. L. | en_US |
dc.contributor.author | ALTIERI, FRANCESCA | en_US |
dc.contributor.author | Sindoni, G. | en_US |
dc.date.accessioned | 2021-02-24T15:07:31Z | - |
dc.date.available | 2021-02-24T15:07:31Z | - |
dc.date.issued | 2018 | en_US |
dc.identifier.issn | 0004-6256 | en_US |
dc.identifier.uri | http://hdl.handle.net/20.500.12386/30590 | - |
dc.description.abstract | We characterize the origin and evolution of a mesoscale wave pattern in Jupiter’s North Equatorial Belt (NEB), detected for the first time at 5 μm using a 2016-17 campaign of “lucky imaging” from the VISIR instrument on the Very Large Telescope and the NIRI instrument on the Gemini observatory, coupled with M-band imaging from Juno’s JIRAM instrument during the first seven Juno orbits. The wave is compact, with a 1.°1-1.°4 longitude wavelength (wavelength 1300-1600 km, wavenumber 260-330) that is stable over time, with wave crests aligned largely north-south between 14°N and 17°N (planetographic). The waves were initially identified in small (10° longitude) packets immediately west of cyclones in the NEB at 16°N but extended to span wider longitude ranges over time. The waves exhibit a 7-10 K brightness temperature amplitude on top of an ∼210 K background at 5 μm. The thermal structure of the NEB allows for both inertio-gravity waves and gravity waves. Despite detection at 5 μm, this does not necessarily imply a deep location for the waves, and an upper tropospheric aerosol layer near 400-800 mbar could feature a gravity wave pattern modulating the visible-light reflectivity and attenuating the 5-μm radiance originating from deeper levels. Strong rifting activity appears to obliterate the pattern, which can change on timescales of weeks. The NEB underwent a new expansion and contraction episode in 2016-17 with associated cyclone-anticyclone formation, which could explain why the mesoscale wave pattern was more vivid in 2017 than ever before. | en_US |
dc.language.iso | eng | en_US |
dc.title | Jupiter’s Mesoscale Waves Observed at 5 μm by Ground-based Observations and Juno JIRAM | en_US |
dc.type | Article | - |
dc.identifier.doi | 10.3847/1538-3881/aace02 | en_US |
dc.identifier.scopus | 2-s2.0-85051470100 | en_US |
dc.identifier.isi | 000439835300002 | en_US |
dc.identifier.url | https://iopscience.iop.org/article/10.3847/1538-3881/aace02 | en_US |
dc.relation.medium | STAMPA | en_US |
dc.relation.volume | 156 | en_US |
dc.relation.issue | 2 | en_US |
dc.relation.firstpage | 67 | en_US |
dc.type.referee | REF_1 | en_US |
dc.relation.scientificsector | FIS/05 - ASTRONOMIA E ASTROFISICA | en_US |
dc.relation.journal | THE ASTRONOMICAL JOURNAL | en_US |
dc.type.miur | 262 Articolo in rivista | - |
dc.identifier.adsbibcode | 2018AJ....156...67F | en_US |
dc.description.apc | no | en_US |
dc.description.oa | 1 – prodotto con file in versione Open Access (allegare il file al passo 5-Carica) | en_US |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.openairetype | Article | - |
item.languageiso639-1 | en | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.fulltext | With Fulltext | - |
crisitem.author.dept | IAPS Roma | - |
crisitem.author.orcid | 0000-0003-4998-8008 | - |
crisitem.author.orcid | 0000-0002-6338-8300 | - |
crisitem.journal.journalissn | 0004-6256 | - |
crisitem.journal.ance | E016224 | - |
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