Far-infrared photometry of Titan and Iapetus

Details Far-infrared photometry of Titan and Iapetus Far-infrared photometry of Titan and Iapetus

Sep 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980icar...43..283l&link_type=abstract

Icarus, vol. 43, Sept. 1980, p. 283-287.

Astronomy and Astrophysics

Astronomy

7

Astronomical Photometry, Far Infrared Radiation, Iapetus, Infrared Photometry, Planetary Radiation, Thermal Radiation, Titan, Astrometry, Brightness Temperature, Greenhouse Effect, Infrared Spectra, Saturn, Satellites, Titan, Iapetus, Infrared, Wavelengths, Photometry, Brightness, Spectra, Temperature, Albedo, Optical Properties, Kao Aircraft, Aircraft Observations

Scientific paper

Titan was observed in four broad passbands between 35 and 150 microns. The brightness temperature in this interval is roughly constant at 76 plus or minus 3 K. Integrating Titan's spectrum from 5 to 150 microns yields an effective temperature of 86 plus or minus 3 K. Both the bright and dark hemispheres of Iapetus were observed in one broadband filter with a flux-weighted mean wavelength approximately equal to 66 microns. The brightness temperatures for these two sides of Iapetus are 96 plus or minus 9 K and 114 plus or minus 10 K, respectively. The bright-side Bond albedo is calculated to be 0.61(+0.16;-0.22).

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