Seasonal change in Titan's haze 1992-2002 from Hubble Space Telescope observations

Details Seasonal change in Titan's haze 1992-2002 from Hubble Space Telescope observations Seasonal change in Titan's haze 1992-2002 from Hubble Space Telescope observations

May 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004georl..3110702l&link_type=abstract

Geophysical Research Letters, Volume 31, Issue 10, CiteID L10702

Physics

13

Atmospheric Composition And Structure: Aerosols And Particles (0345, 4801), Atmospheric Composition And Structure: Planetary Atmospheres (5405, 5407, 5409, 5704, 5705, 5707), Planetology: Solar System Objects: Saturnian Satellites, Planetology: Fluid Planets: Meteorology (3346)

Scientific paper

Images from the Hubble Space Telescope (HST) document the seasonal migration of haze in Titan's atmosphere. Image profiles show darkening of the north relative to the south at 439 nm (blue) but no change at 619 nm. The limb profile at 889 nm has inverted, becoming north-bright, a variation consistent with haze transport towards the winter hemisphere by winds. The complex altitude-time variation of the north-south haze differences are indicated in resolved spectra acquired with the Space Telescope Imaging Spectrograph (STIS): the continuum slope of a north/south ratio spectrum changes sign, becoming red, between 2000 and 2002, although the 889 nm band had already reversed by 2000, suggesting the haze distribution changes most rapidly at high altitudes.

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