Carbon dioxide absorption at high densities in the 1 : 18 ? m nightside transparency window of Venus (Articolo in rivista)

Type
Label
  • Carbon dioxide absorption at high densities in the 1 : 18 ? m nightside transparency window of Venus (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Alternative label
  • Marcel Snels Stefania Stefani, Giuseppe Piccioni, Bruno Bèzard (2014)
    Carbon dioxide absorption at high densities in the 1 : 18 ? m nightside transparency window of Venus
    in Journal of Quantitative Spectroscopy & Radiative Transfer
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Marcel Snels Stefania Stefani, Giuseppe Piccioni, Bruno Bèzard (literal)
Pagina inizio
  • 464 (literal)
Pagina fine
  • 471 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 133 (literal)
Rivista
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  • 8 (literal)
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  • Istituto di Scienze dell'Atmosfera e del Clima (ISAC), Consiglio Nazionale delle Ricerche (CNR), Rome b Istituto di Astrofisica e Planetologia Spaziali (IAPS), Istituto Nazionale di AstroFisica (INAF), Rome c LESIA, Observatoire de Paris, Meudon, France (literal)
Titolo
  • Carbon dioxide absorption at high densities in the 1 : 18 ? m nightside transparency window of Venus (literal)
Abstract
  • The attenuation of carbon dioxide at pressures between 1 and 38 bar has been measured from 1179.5 to 1182.7 nm at room temperature (293 K) by using a cavity ring down spectrometer. The densities used in the experiment correspond with the densities in the Venus atmosphere from about 50 km down to the surface, although the experimental temperature is different from that encountered in the lower atmosphere. A binary absorption coefficient of 5.47(28)×10-10 cm-1 amagat-2 has been obtained at 1180.7 nm. A regular increase of the binary absorption is observed from 1179.5 to 1182.7 nm, likely due to the far wing of the nearby ?1+3?3 band of CO2. The results are in good agreement with an analysis of observations by the VIRTIS and SPICAV-IR instruments on board the Venus Express spacecraft. The carbon dioxide Rayleigh scattering coefficient at View the MathML source has been measured for the first time by using the cavity ring down technique, and a value of 1.02(14)×10-8 cm-1 amagat-1 was found. (literal)
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