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The nature of Low-Albedo asteroids from 3-μm multi-color photometry

Authors
Journal
Icarus
0019-1035
Publisher
Elsevier
Publication Date
Volume
83
Issue
1
Identifiers
DOI: 10.1016/0019-1035(90)90003-r

Abstract

Abstract We present broadband and narrowband spectrometry (1.2 to 3.5 μm) of 16 low-albedo asteroids. This is an extension of our origin observations of the C-class asteroids (Feierberg et al. 1985) and now includes F-, P-, D-, and T-class asteroids. Although it has been thought previously that these outer belt and Trojan asteroids are more“primitive” than the Cs and thus should show a larger volatile content (i.e., hydrated silicates and organics), we find that most of them do not show the spectral signature of hydrated silicates.

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