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Simultaneous visible and near-infrared time resolved observations of the outer Solar System object (29981) 1999 TD10 |
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| Authors: | Béatrice EA Mueller Carl W Hergenrother Humberto Campins |
| Institution: | a National Optical Astronomy Observatory11The National Optical Astronomy Observatory is operated by the Association of Universities for Research in Astronomy, Inc. (AURA) under cooperative agreement with the National Science Foundation., 950 N Cherry Ave, Tucson, AZ 85719, USA b Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ 85721, USA c University of Central Florida, Orlando FL 32186 and Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ 85721, USA d Steward Observatory, University of Arizona, Tucson, AZ 85721, USA |
| Abstract: | The outer Solar System object (29981) 1999 TD10 was observed simultaneously in the R, and J and H bands in September 2001, and in B, V, R, and I in October 2002. We derive B−V=0.80±0.05 mag, V−R=0.48±0.05 mag, R−I=0.44±0.05 mag, R−J=1.24±0.05 mag, and J−H=0.61±0.07 mag. Combining our data with the data from Rousselot et al. (2003, Astron. Astrophys. 407, 1139) we derive a synodic period of 15.382±0.001 hr in agreement with the period from Rousselot et al. Our observations at the same time, with better S/N and seeing, show no evidence of a coma, contrary to the claim by Choi et al. (2003, Icarus 165, 101). |
| Keywords: | Asteroids rotation Centaurs Photometry Infrared observations (29981) 1999 TD10 |
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