Results for Titan's atmosphere from its occultation of 28 Sagittarii

William B. Hubbard, D. M. Hunten, H. J. Reitsema, N. Brosch, Y. Nevo, E. Carreira, F. Rossi, L. H. Wasserman

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

ON 3 July 1989 the bright K giant star 28 Sgr was occulted by Saturn's largest moon, Titan. This event, which was predicted by Wasserman1, offered a unique opportunity to probe Titan's extensive nitrogen-rich atmosphere in an altitude range not investigated by the Voyager 1 spacecraft2,3. Our group observed the occultation from three stations in the Mediterranean area, and here we examine the data set. We derive average mesospheric temperatures of ∼180 K, with evidence for lateral and vertical atmospheric inhomogeneities on scales ranging from ∼10-1,000 km. Our results are consistent with published models4of Titan's mesosphere.

Original languageEnglish (US)
Pages (from-to)353-355
Number of pages3
JournalNature
Volume343
Issue number6256
StatePublished - 1990

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Titan atmosphere
Titan
occultation
K stars
giant stars
mesosphere
Saturn
natural satellites
inhomogeneity
stations
nitrogen
atmospheres
probes
temperature

ASJC Scopus subject areas

  • General

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Hubbard, W. B., Hunten, D. M., Reitsema, H. J., Brosch, N., Nevo, Y., Carreira, E., ... Wasserman, L. H. (1990). Results for Titan's atmosphere from its occultation of 28 Sagittarii. Nature, 343(6256), 353-355.

Results for Titan's atmosphere from its occultation of 28 Sagittarii. / Hubbard, William B.; Hunten, D. M.; Reitsema, H. J.; Brosch, N.; Nevo, Y.; Carreira, E.; Rossi, F.; Wasserman, L. H.

In: Nature, Vol. 343, No. 6256, 1990, p. 353-355.

Research output: Contribution to journalArticle

Hubbard, WB, Hunten, DM, Reitsema, HJ, Brosch, N, Nevo, Y, Carreira, E, Rossi, F & Wasserman, LH 1990, 'Results for Titan's atmosphere from its occultation of 28 Sagittarii', Nature, vol. 343, no. 6256, pp. 353-355.
Hubbard WB, Hunten DM, Reitsema HJ, Brosch N, Nevo Y, Carreira E et al. Results for Titan's atmosphere from its occultation of 28 Sagittarii. Nature. 1990;343(6256):353-355.
Hubbard, William B. ; Hunten, D. M. ; Reitsema, H. J. ; Brosch, N. ; Nevo, Y. ; Carreira, E. ; Rossi, F. ; Wasserman, L. H. / Results for Titan's atmosphere from its occultation of 28 Sagittarii. In: Nature. 1990 ; Vol. 343, No. 6256. pp. 353-355.
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