Now on home page

ADS

Zodiacal Emission. III. Dust near the Asteroid Belt

Abstract

Properties of the zodiacal dust bands are derived from fits to Infrared Astronomical Satellite profiles of the ecliptic. Three observations lead to the conclusion that the dust-band material is spread over a range of heliocentric distances between the asteroid belt and the sun: parallax, color temperature, and wavelength dependence of the band latitudes. The orientations of the midplanes of the bands are found to be typical of asteroids. A model of 'migrating bands', wherein dust is produced near the asteroid belt and spirals into the sun under the influence of Poynting-Robertson drag, is used to explain the range of heliocentric distances of dust-band material.


Publication:
The Astrophysical Journal
Pub Date:
June 1992
DOI:

10.1086/171428

Bibcode:
1992ApJ...392..289R
Keywords:
  • Asteroid Belts;
  • Cosmic Dust;
  • Infrared Astronomy Satellite;
  • Interplanetary Medium;
  • Meteoritic Composition;
  • Astronomical Spectroscopy;
  • Emission Spectra;
  • Infrared Astronomy;
  • Astrophysics;
  • ISM: DUST;
  • EXTINCTION;
  • INTERPLANETARY MEDIUM;
  • METEOROIDS;
  • MINOR PLANETS
full text sources
ADS
|