Utilizza questo identificativo per citare o creare un link a questo documento:
http://hdl.handle.net/20.500.12386/23574
Campo DC | Valore | Lingua |
---|---|---|
dc.contributor.author | Reale, Fabio | en_US |
dc.contributor.author | Gambino, Angelo F. | en_US |
dc.contributor.author | MICELA, Giuseppina | en_US |
dc.contributor.author | MAGGIO, Antonio | en_US |
dc.contributor.author | Widemann, Thomas | en_US |
dc.contributor.author | PICCIONI, GIUSEPPE | en_US |
dc.date.accessioned | 2020-03-25T18:03:05Z | - |
dc.date.available | 2020-03-25T18:03:05Z | - |
dc.date.issued | 2015 | en_US |
dc.identifier.issn | 2041-1723 | en_US |
dc.identifier.uri | http://hdl.handle.net/20.500.12386/23574 | - |
dc.description.abstract | During a planetary transit, atoms with high atomic number absorb short-wavelength radiation in the upper atmosphere, and the planet should appear larger during a primary transit observed in high-energy bands than in the optical band. Here we measure the radius of Venus with subpixel accuracy during the transit in 2012 observed in the optical, ultraviolet and soft X-rays with Hinode and Solar Dynamics Observatory missions. We find that, while Venus's optical radius is about 80 km larger than the solid body radius (the top of clouds and haze), the radius increases further by >70 km in the extreme ultraviolet and soft X-rays. This measures the altitude of the densest ion layers of Venus's ionosphere (CO_2 and CO), useful for planning missions in situ, and a benchmark case for detecting transits of exoplanets in high-energy bands with future missions, such as the ESA Athena. | en_US |
dc.language.iso | eng | en_US |
dc.title | Using the transit of Venus to probe the upper planetary atmosphere | en_US |
dc.type | Article | - |
dc.identifier.doi | 10.1038/ncomms8563 | en_US |
dc.identifier.scopus | 2-s2.0-84932600631 | en_US |
dc.identifier.isi | 000357180800002 | en_US |
dc.identifier.url | http://arxiv.org/abs/1507.00195v1 | en_US |
dc.identifier.url | https://www.nature.com/articles/ncomms8563 | en_US |
dc.relation.medium | ELETTRONICO | en_US |
dc.relation.volume | 6 | en_US |
dc.relation.issue | 1 | en_US |
dc.relation.firstpage | 7563 | en_US |
dc.relation.numberofpages | 13 | en_US |
dc.type.referee | REF_1 | en_US |
dc.description.note | The authors acknowledge the Italian Space Agency for the support through the contract ASI-INAF I050/10/2. F.R., A.F.G., G.M. and A.M. acknowledge support from Italian Ministero dell’Universita` e Ricerca. G.M. and A.M. acknowledge financial contribution from MIUR through the ‘Progetto Premiale: A Way to Other Worlds’. | en_US |
dc.description.international | sì | en_US |
dc.contributor.country | ITA | en_US |
dc.contributor.country | FRA | en_US |
dc.relation.scientificsector | FIS/05 - ASTRONOMIA E ASTROFISICA | en_US |
dc.relation.journal | NATURE COMMUNICATIONS | en_US |
dc.type.miur | 262 Articolo in rivista | - |
dc.identifier.adsbibcode | 2015NatCo...6.7563R | en_US |
dc.description.apc | sì | en_US |
dc.description.oa | 1 – prodotto con file in versione Open Access (allegherò 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 | O.A. Palermo | - |
crisitem.author.dept | O.A. Palermo | - |
crisitem.author.dept | O.A. Palermo | - |
crisitem.author.dept | IAPS Roma | - |
crisitem.author.orcid | 0000-0002-1820-4824 | - |
crisitem.author.orcid | 0000-0002-9900-4751 | - |
crisitem.author.orcid | 0000-0001-5154-6108 | - |
crisitem.author.orcid | 0000-0002-7893-6808 | - |
crisitem.journal.journalissn | 2041-1723 | - |
crisitem.journal.ance | E203533 | - |
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