http://www.cnr.it/ontology/cnr/individuo/prodotto/ID212860
An unidentified emission in Titan's upper atmosphere (Articolo in rivista)
- Type
- Label
- An unidentified emission in Titan's upper atmosphere (Articolo in rivista) (literal)
- Anno
- 2013-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1002/grl.50332 (literal)
- Alternative label
B. M. Dinelli,1, M. López-Puertas,2, A. Adriani,3, M. L. Moriconi,4, B. Funke,2, M. García-Comas,2, and E. D'Aversa,3 (2013)
An unidentified emission in Titan's upper atmosphere
in Geophysical research letters
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- B. M. Dinelli,1, M. López-Puertas,2, A. Adriani,3, M. L. Moriconi,4, B. Funke,2, M. García-Comas,2, and E. D'Aversa,3 (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1.Istituto di Scienze dell'Atmosfera e del Clima-CNR, Bologna, Italy.
2.Instituto de Astrofísica de Andalucía (CSIC), Granada, Spain.
3.IAPS-INAF, Rome, Italy.
4.Istituto di Scienze dell'Atmosfera e del Clima-CNR, Rome, Italy. (literal)
- Titolo
- An unidentified emission in Titan's upper atmosphere (literal)
- Abstract
- We have analyzed limb daytime observations of Titan's
upper atmosphere at 3.3 um, acquired by the visual-infrared
mapping spectrometer (VIMS) on Cassini. They were
previously studied by García-Comas et al. (2011) to derive
CH4 densities. Here, we report an unidentified emission
peaking around 3.28 um, hidden under the methane
R branch. This emission is very strong, with intensity
comparable to the CH4 bands located in the same spectral
region. It presents a maximum at about 950 km and extends
from 600 km up to 1250 km. It is definitely pumped
by solar radiation since it vanishes at night. Our analysis
shows that neither methane nor the major hydrocarbon
compounds already discovered in Titan's upper atmosphere
are responsible for it. We have discarded many other
potential candidates and suggest that the unidentified
emission might be caused by aromatic compounds. (literal)
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