The thermal radiation of Saturn and its rings |
| |
| Authors: | GH Rieke |
| |
| Institution: | 1. Lunar and Planetary Laboratory, University of Arizona, Tucson, Arizona 85721, USA;2. Steward Observatory, USA |
| |
| Abstract: | Infrared observations of Saturn from 5 to 40 μm are described. There is intense limb brightening at 12.35 μm over the southern polar cap. The C ring is anomalously bright at 10 and 20 μm and has bluer (hotter) colours than the A and B rings. The ring spectra have been extrapolated beyond 40 μm and subtracted from low-resolution far-infrared measurements to show that the far-infrared spectrum of the disk of Saturn is qualitatively similar to that of Jupiter and that Saturn radiates 2.5 ± 0.6 times the energy it absorbs from the Sun. |
| |
| Keywords: | |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
