Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002a%26a...392..335b&link_type=abstract
Astronomy and Astrophysics, v.392, p.335-339 (2002)
Astronomy and Astrophysics
Astrophysics
31
Centaur, 32532 (2001 Pt13)
Scientific paper
We present photometric and spectroscopic data obtained through visible and near-infrared observations of the Centaur 32532 (2001 PT13) performed with FORS1 and ISAAC at the Very Large Telescope (VLT-ESO) within the framework of an ESO large program on the Trans-Neptunian objects (TNOs) and Centaurs. The results show evidence for a difference in the near-infrared spectral behaviour obtained during two observations carried out one month apart. In one spectrum there is the possible presence of signatures of water ice in small amounts. Two models have been proposed to interpret the surface composition of this Centaur. Based on observations obtained at the VLT Observatory Cerro Paranal of European Southern Observatory, ESO in Chile within the framework of program 167.C-0340.
Barrera Luis
Barucci Maria-Antonella
Birkle Kurt
Boehnhardt Hermann
Davies John K.
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