Rotationally Resolved Spitzer Spectra of Comet-Asteroid Transition Object 944 Hidalgo
Last year (Campins et al. 2006), we reported near-infrared rotational variability in ground-based spectra of comet-asteroid transition object 944 Hidalgo. Since then, we carried out a rotationally resolved study of Hidalgo at mid-infrared wavelengths using the Infrared Spectrograph (IRS) on NASA's Spitzer Space Telescope. We obtained 7 to 38 micron
Campins, Humberto et al.
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2007