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Ground-Based Observations of the 10 August 1995 Saturn Ring-Plane Crossing

✍ Scribed by Britt R. Scharringhausen; Lucy Lim; Philip D. Nicholson; Keith Matthews; Peter J. McGregor

Publisher: Elsevier Science
Year: 2001
Tongue: English
Weight: 180 KB
Volume: 154
Category: Article
ISSN: 0019-1035
DOI: 10.1006/icar.2001.6712

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✦ Synopsis

Observations at 2.3 µm at the Australian National University 2.3-m telescope at Siding Spring Observatory and the 5-m Hale telescope at Palomar Observatory from 9 to 17 August provide a longer baseline of time around the 10 August 1995 Saturn ring-plane crossing than space-based observations. The edge-on photometric thickness of the rings at a wavelength of 2.34 µm is determined to be 0.7 ± 0.1 km, and the average geometric albedo of A-and Bring particles at 2.276 µm is estimated to be 0.35 ± 0.05. We do not detect any asymmetry in brightness between the east and west ring ansae.

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