Astronomy and Astrophysics – Astrophysics
Scientific paper
2002-01-15
Astronomy and Astrophysics
Astrophysics
Icarus, accepted 6 January 2002
Scientific paper
10.1006/icar.2002.6831
Using adaptive optics on the W.M. Keck II telescope we imaged Titan several times during 1999 to 2001 in narrowband near-infrared filters selected to probe Titan's stratosphere and upper troposphere. We observed a bright feature around the south pole, possibly a collar of haze or clouds. Further, we find that solar phase angle explains most of the observed east-west brightness asymmetry of Titan's atmosphere, although the data do not preclude the presence of a `morning fog' effect at small solar phase angle.
de Pater Imke
Gibbard Seran G.
Macintosh Bruce Alan
Max Claire Ellen
McKay Chris P.
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