ZODIACAL EMISSION .3. DUST NEAR THE ASTEROID BELT

被引：40

作者：

REACH, WT ^{[1
]}

机构：

[1] UNIV CALIF BERKELEY,DEPT ASTRON,BERKELEY,CA 94720

来源：

ASTROPHYSICAL JOURNAL | 1992年 / 392卷 / 01期

关键词：

DUST; EXTINCTION; INTERPLANETARY MEDIUM; METEOROIDS; MINOR PLANETS;

D O I：

10.1086/171428

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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.

引用

页码：289 / 299

页数：11

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