Astronomy and Astrophysics – Astronomy
Scientific paper
May 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976icar...28..105p&link_type=abstract
Icarus, vol. 28, May 1976, p. 105-115.
Astronomy and Astrophysics
Astronomy
5
Asteroids, Astronomical Photometry, Infrared Spectra, Mineralogy, Spectral Reflectance, Spectrophotometry, Iron, Light Curve, Olivine, Pyroxenes, Solar Flux, Spectrum Analysis
Scientific paper
The spectral reflectance (0.33-1.07 micrometers) for the asteroid 433 Eros was determined as a function of rotational phase during January 28-30, and February 15, 1975. Interpretation of absorption features suggests Eros is composed of an undifferentiated assemblage of moderate to high temperature minerals (iron, pyroxene, and olivine, but no carbon). H-type ordinary chondrites are such assemblages, but it would be premature to conclude that Eros is like an H chondrite meteorite in composition until a better understanding is reached of possible physical differences between laboratory powders and asteroid regoliths for metal-bearing assemblages. There are no large-scale major compositional variations on the different sides of Eros.
Chapman Clark R.
Gaffey Michael J.
McCord Th. B.
Pieters Carle
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