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Low phase angle effects in photometry of trans-neptunian objects: 20000 Varuna ...
Belskaya, I.N.; Ortiz, J.L.; Rousselot, P.; Ivanova, V.; Borisov, G.; Shevchenko, V.G.; Peixinho, N.We present the results of photometric observations of trans-neptunian object 20000 Varuna, which were obtained during 7 nights in November 2004-February 2005. The analysis of new and available photometric observations of Varuna reveals a pronounced opposition surge at phase angles less than 0.1 deg with amplitude of 0.2 mag relatively to the extrapolation of the linear part of magnitude-phase dependence to zero...
Data: 2006
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Origem: Estudo Geral - Universidade de Coimbra
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