The shape of (7) Iris as evidence of an ancient large impact

  title={The shape of (7) Iris as evidence of an ancient large impact},
  author={J. Hanuvs and M. Marsset and P. Vernazza and M. Viikinkoski and A. Drouard and M. Brovz and B. Carry and R. F{\'e}tick and F. Marchis and L. Jorda and T. Fusco and M. Birlan and T. Santana-Ros and E. Podlewska-Gaca and E. Jehin and M. Ferrais and J. Grice and P. Bartczak and J. Berthier and J. Castillo-Rogez and F. Cipriani and F. Colas and G. Dudziński and C. Dumas and J. vDurech and M. Kaasalainen and A. Kryszczyńska and P. Lamy and H. Coroller and A. Marciniak and T. Michałowski and P. Michel and M. Pajuelo and P. Tanga and F. Vachier and A. Vigan and O. Witasse and B. Yang},
  journal={arXiv: Earth and Planetary Astrophysics},
Asteroid (7) Iris is an ideal target for disk-resolved imaging owing to its brightness (V$\sim$7-8) and large angular size of 0.33 arcsec during its apparitions. Iris is believed to belong to the category of large unfragmented asteroids that avoided internal differentiation, implying that its current shape and topography may record the first few 100 Myr of the solar system's collisional evolution. We recovered information about the shape and surface topography of Iris from disk-resolved VLT… Expand
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