Free Access
Fig. 4
Combined visible and NIR spectrum of 1993 HA (EFOSC2 + SOfI at ESO-NTT). The average spectra of D-, T- and X-type asteroids from the DeMeo et al. (2009) taxonomic classification are also reported.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.