Results of the Seven-Color Asteroid Survey: Infrared Spectral Observations of ∼50-km Size S-, K-, and M-Type Asteroids
✍ Scribed by Beth E. Clark; Jeffrey F. Bell; Fraser P. Fanale; Daniel J. O'Connor
- Book ID
- 102968825
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 745 KB
- Volume
- 113
- Category
- Article
- ISSN
- 0019-1035
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✦ Synopsis
We present the results of a spectral survey of S-, K-, Q-, and M-type asteroids in seven colors in the infrared ( 0.9 to (2.3 \mu \mathrm{m}) ) conducted at the Infrared Telescope Facility on Mauna Kea from 1992-1994. This asteroid spectral collection consists of a total of 126 observed objects. Among them are 96 S-types, 17 M-types, 1 Q-type, 1 C-type, 4 previously reported K-types, and possibly 7 newly identified K-types. The average size of seven-color asteroid survey (SCAS) objects is about (50 \mathrm{~km}) in diameter, compared to the average size of (100 \mathrm{~km}) for the 52-color survey S-types (Bell, J. F., B. R. Hawke, P. D. Owensby, and M. J. Gaffey 1988. The 52-color asteroid survey: Final results and interpretations. Lunar Planet. Sci. Conf. XIX, 57-58). The salient aspects of analyses of these data are presented in four parts: (1) The mineralogic diagnostic information represented by the seven colors, (2) the search for an ordinary chondrite-like parent body among the smaller S-types, (3) the discovery of new K-type objects among the Tholen classified S-types, and (4) the continuum slope range of M-type asteroids. 1995 Academic Press, Inc.