Visual Spectroscopy of Asteroids at San Pedro Martir

Details Visual Spectroscopy of Asteroids at San Pedro Martir Visual Spectroscopy of Asteroids at San Pedro Martir

2001-01-11

arxiv.org/abs/astro-ph/0101190v1

Astronomy and Astrophysics

Astrophysics

Revista Mexicana de Astronomia y Astrofisica, in press

Scientific paper

We present low resolution reflectance spectra over the wavelength range 5000-10000\AA for 4 asteroids (3 belonging to the Nysa family and one near-Earth asteroid) obtained at the San Pedro Martir Observatory (Mexico) using the 2.1 m telescope. Though the limited wavelength range covered often makes a classification difficult, the analysis of the available data reveals that two asteroids of the Nysa family, (2007) McCuskey and (3130) Hillary, are probably of F-type and (3384) Daliya of S-type. Near-Earth asteroid (3908) Nyx (Amor asteroid) shows a spectrum, within the limits of our signal-to-noise ratio (S/N), consistent with a V-type taxonomic classification and may be a fragment excavated from Vesta by an impact.

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