Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pggp.rept..405d&link_type=abstract
In NASA, Washington, Reports of Planetary Geology and Geophysics Program, 1990 p 405-406 (SEE N92-10728 01-91)
Astronomy and Astrophysics
Astrophysics
Asteroids, Astronomical Models, Astrophysics, Clouds, Infrared Astronomy Satellite, Satellite Observation, Solar System, Zodiacal Dust, Brightness Distribution, Eccentricity, Night Sky, Orbit Perturbation, Poynting-Robertson Effect, Solar Radiation, Spatial Distribution, Telescopes
Scientific paper
The astrophysical importance of the zodiacal cloud became more apparent. The most useful source of information on the structure of the zodiacal cloud is the Infrared Astronomical Satellite (IRAS) observations. A substantial fraction of the extensive IRAS data set was analyzed. Also, a numerical model was developed (SIMUL) that allows to calculate the distribution of night-sky brightness that would be produced by any particular distribution of dust particle orbits. This model includes the effects of orbital perturbations by both the planets and solar radiation, it reproduces the exact viewing geometry of the IRAS telescope, and allows for the eccentricity of the Earth's orbit. SIMUL now is used to model not just the solar system dust bands discovered by IRAS but the whole zodiacal cloud.
Dermott Stanley F.
Durda Daniel David
Gomes Rodney S.
Gustafson Bill
Jayaraman Sumita
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