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Title:
A study of short term rotational variability in TNOs and Centaurs from Sierra Nevada Observatory
Authors:
Ortiz, J. L.; Gutiérrez, P. J.; Casanova, V.; Sota, A.
Affiliation:
AA( Instituto de Astrofísica de Andalucía, CSIC, Apt 3004, 18080 Granada, Spain), AB( Instituto de Astrofísica de Andalucía, CSIC, Apt 3004, 18080 Granada, Spain; Laboratoire d'Astrophysique de Marseille, Traverse du Siphon, BP 8, 13376 Marseille Cedex 12, France), AC( Instituto de Astrofísica de Andalucía, CSIC, Apt 3004, 18080 Granada, Spain), AD( Instituto de Astrofísica de Andalucía, CSIC, Apt 3004, 18080 Granada, Spain)
Publication:
Astronomy and Astrophysics, v.407, p.1149-1155 (2003) (A&A Homepage)
Publication Date:
09/2003
Origin:
A&A
A&A Keywords:
minor planets, asteroids, Kuiper Belt
DOI:
10.1051/0004-6361:20030972
Bibliographic Code:
2003A&A...407.1149O

Abstract

Broad band CCD observations focused on short-term rotational variability have been carried out for six TNOs: 1999 TD10, 1999 TC36, 2000 EB173, (20000) Varuna, (28978) Ixion, 2002 CR46, and four Centaurs: 2000 QC243, 2001 PT13, 2002 PN34 and 2002 GO9 using the 1.5 m telescope at Sierra Nevada Observatory (Granada, Spain) since mid 2001. Three of the bodies exhibit periodic double-peaked lightcurves with amplitudes larger than 0.4 mag while another four show periodic variability with amplitudes below 0.20 mag. Basic physical properties of these objects can be derived or constrained from the observations. Here we present a summary of the main results obtained for these objects.
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