F-type asteroid
{{Short description|Type of carbonaceous asteroid}}
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F-type asteroids are a relatively uncommon type of carbonaceous asteroid, falling into the wider C-group.{{Citation |last=Ridpath |first=Ian|title=F-type asteroid |date=2018-02-15 |url=https://www.oxfordreference.com/display/10.1093/acref/9780191851193.001.0001/acref-9780191851193-e-1271 |work=A Dictionary of Astronomy |editor-last=Ridpath |editor-first=Ian |access-date=2023-10-10 |publisher=Oxford University Press |language=en |doi=10.1093/acref/9780191851193.001.0001 |isbn=978-0-19-185119-3|url-access=subscription }}
Characteristics
F-type asteroids have spectra generally similar to those of the B-type asteroids, but
lack the "water" absorption feature around 3 μm indicative of hydrated minerals, and differ in the low wavelength part of the ultraviolet spectrum below 0.4 μm.
The F-type and B-type asteroids are not distinguishable with the criteria used in the SMASS classification, so in that scheme are grouped together under the B-type.
See also
References
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{{Asteroids}}
{{Small Solar System bodies}}
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Category:Asteroid spectral classes
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