Near-infrared spectroscopy of primitive asteroid families

► We compared 13 NIR spectra of two asteroid families and found significant differences. ► Themis family spectra have positive slopes from 1.6 to 2.4 μm. ► Veritas family spectra in contrast have flat slopes from 1.6 to 2.4 μm. ► Themis family spectra have positive concavities from 1.0 to 1.5 μm ► Veritas family spectra have negative concavities from 1.0 to 1.5 μm.