Cited by 77Astro and Planetary ScienceStellar, planetary, and galactic studiesPlanetary Science and Exploration

Saturn's Temperature Field from High-Resolution Middle-Infrared Imaging

Orton, G. S., Yanamandra-Fisher, P. A.·2005·Science

Abstract

Saturn was imaged between 8 and 24.5 micrometers at ∼3000-kilometer resolution with the Keck I Telescope. Saturn's atmosphere has zonal temperature bands, which are mostly uncorrelated with visible cloud reflectivity, strong 100-millibar zonal temperature oscillations near 32°S, a warm south polar cap, and a compact hot point within 3° of the south pole.

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Crossref · 10.1126/science.1105730

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20 of 20 references verified0 citation errors · 0 not checkable

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  • Cassini confirmed the presence of a circular feature at Saturn's South pole.

    “Cassini confirmed the presence of a circular feature at the planet's South pole that had been already revealed in images in the thermal infrared captured form Earth [ Orton and Yanamandra-Fisher , 2005].”

    From Dynamics of Saturn's polar regions (2015) · cites this paper as Orton and Yanamandra-Fisher, 2005

  • Saturn's polar stratosphere exhibits seasonal growth and dissipation of broad, warm vortices poleward of ~75° latitude, strongest in summer and absent in winter.

    “Saturn’s polar stratosphere exhibits the seasonal growth and dissipation of broad, warm vortices poleward of ~75° latitude, which are strongest in the summer and absent in winter.”
  • By the time Keck observed Saturn in February 2004 (Ls = 287°), 16 months after southern summer solstice, the warm SPSV was already well established poleward of 70°S.

    “By the time the Keck observatory observed Saturn in February 2004 (a planetocentric solar longitude of Ls = 287°), 16 months after southern summer solstice (October 2002), the warm South Polar Stratospheric Vortex (SPSV) was already well established poleward of 70°S4.”
  • At the start of the Cassini time series, the SPSV had a negative dT/dy near 88°S defining the edge of the compact polar cyclone and a negative dT/dy near 74°S representing the edge of the SPSV.

    “At the start of the Cassini time series, the SPSV had two primary structures: the negative dT/dy near 88°S that defines the edge of the compact polar cyclone4 and the negative dT/dy near 74°S that represents the edge of the SPSV5 (Fig. 4j–l).”

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Authors
Orton, G. S., & Yanamandra-Fisher, P. A.
Affiliations
Jet Propulsion Laboratory (US)
Venue
Science
Published
2005-02-04
Volume
307
Issue
5710
Pages
696-698
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2060445157
Cited by
77
References
20
Citations by year
2026: 1 · 2025: 1 · 2024: 4 · 2023: 2 · 2022: 2 · 2021: 2 · 2020: 1 · 2019: 2 · 2018: 12 · 2017: 1 · 2016: 4 · 2015: 6 · 2014: 1 · 2012: 2
FWCI
4.27
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Astro and Planetary Science
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Stellar, planetary, and galactic studies
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Planetary Science and Exploration
Keywords
Saturn, cloud reflectivity, south polar cap, hot spots, planetary atmospheres

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