Zodiacal light observations with ISOPHOT

Details Zodiacal light observations with ISOPHOT Zodiacal light observations with ISOPHOT

Mar 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999esasp.427..261a&link_type=abstract

The Universe as Seen by ISO. Eds. P. Cox & M. F. Kessler. ESA-SP 427., p. 261

Physics

3

Zodiacal Light, Interplanetary Dust

Scientific paper

We performed an extensive observing programme on the zodiacal light with ISOPHOT. The mapping of several ~0.5degx0.5deg fields demonstrates the sub-percentage smoothness of the zodiacal light brightness on arcminute scale. The analysis of 27 ISOPHOT-S spectra in the 5-12μm range revealed blackbody-like spectral shapes with no obvious spectral features. The derived temperatures increase with ecliptic latitude and decrease with distance from the Sun in the range of 260-290 K. New interesting results are expected from multifilter photometry of the interplanetary dust cloud, and from observations of the asteroidal bands as well as of a cometary dust trail.

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