Space weathering of small Koronis family asteroids in the SDSS Moving Object Catalog

Cristina A. Thomas, David E. Trilling, Andrew S. Rivkin

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

Following the work of Rivkin et al. (Rivkin, A.S., Thomas, C.A., Trilling, D.E., Enga, M., Grier, J.A. [2011]. Icarus 211, 1294-1297) and Thomas et al. (Thomas, C.A., Rivkin, A.S, Trilling, D.E., Enga, M., Grier, J.A. [2011a]. Icarus 212, 158-166), we investigate space weathering trends in the Koronis family using the larger sample size of the Sloan Digital Sky Survey Moving Object Catalog. We confirm the trend in spectral slope seen in our earlier work and extend our results by investigating the trend in band depth (. i-. z color index) to show that Koronis family asteroids smaller than 4. km show the transition from fresh Q-type to weathered S-type surfaces.

Original languageEnglish (US)
Pages (from-to)505-507
Number of pages3
JournalIcarus
Volume219
Issue number1
DOIs
StatePublished - May 1 2012

Keywords

  • Asteroids
  • Asteroids, Surfaces
  • Spectrophotometry

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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