Reliability of Estimates for the Sizes of Spots on Asteroid Surfaces Made by the Spectral-Frequency Methodстатья
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Дата последнего поиска статьи во внешних источниках: 10 ноября 2014 г.
Аннотация:A new spectral–frequency method (SFM) for the study of solid body surfaces is briefly
described. This method allows estimation of the sizes of various spots. Estimates for the sizes of spots
on asteroid surfaces made by the SFM and other methods are compared and discussed. The sizes of
spots on the surface of asteroid 1620 Geographos determined by the SFM are well consistent with
those of the craters obtained from radar data. The sizes of hydrosilicate spots on the surface of asteroid
21 Lutetia found by the SFM agree with those of the craters determined by the Rosetta spacecraft. The
size of a blue spot on the surface of asteroid 4 Vesta found by the SFM is consistent with the size of the
wellknown crater on the south pole of the asteroid. It is inferred that the SFM is a promising method
for the estimation of the sizes of spots on asteroid surfaces.