A Pluto-like radius and a high albedo for the dwarf planet Eris from an occultation

@article{Sicardy2011APR,
  title={A Pluto-like radius and a high albedo for the dwarf planet Eris from an occultation},
  author={Bruno Sicardy and Jos{\'e} Luis Luviano Ortiz and Manaf Assafin and Emmanu{\"e}l Jehin and Arnaud Maury and Emmanuel Lellouch and Ricardo Gil Hutton and Felipe Braga-Ribas and François Colas and D. Hestroffer and J. J. Lecacheux and Françoise Roques and Pablo Santos-Sanz and Thomas Widemann and Nicol{\'a}s Rojas Morales and Ren{\'e} D. Duffard and Audrey Thirouin and Alberto J. Castro-Tirado and Miroslav Jel{\'i}nek and Petr Kubanek and Atushi Sota and Roberto S{\'a}nchez-Ram{\'i}rez and Alexandre Humberto Andrei and Julio I. B. Camargo and D. da Silva Neto and Adalto R. Gomes and Roberto Vieira Martins and Micha{\"e}l Gillon and Jean Manfroid and Gian Paolo Tozzi and Caisey Harlingten and Stefan A Saravia and Roger E. Behrend and Steven J. Mottola and Enrique Jos{\'e} Garc{\'i}a Melendo and Vicente Bodı́ Peris and Juan Beltr{\'a}n Fabregat and Jos'e Mar'ia Madiedo and Lyndel Cuesta and M. Teresa Eibe and Angel Ullan and Faustino Organero and Sergio Alejandro Pastor Pastor and J. A. Los Reyes and Santos Pedraz and Alejandra Nelly Cristina Castro and Ignacio de la Cueva and Gustavo Peres Muler and Iain A. Steele and Manuel Garc{\'i}a Cebri{\'a}n and P Pilar Montanes-Rodriguez and Alejandro Oscoz and David Weaver and Charles Jacques and Wagner J. B. Corradi and Fabio Pereira dos Santos and Wenes Pereira Reis and Angelo Milone and Mordini Emilio and Leonel Gutierrez and Roberto Vazquez and Hector M. Hernandez-Toledo},
  journal={Nature},
  year={2011},
  volume={478},
  pages={493-496}
}
The dwarf planet Eris is a trans-Neptunian object with an orbital eccentricity of 0.44, an inclination of 44 degrees and a surface composition very similar to that of Pluto. It resides at present at 95.7 astronomical units (1 au is the Earth-Sun distance) from Earth, near its aphelion and more than three times farther than Pluto. Owing to this great distance, measuring its size or detecting a putative atmosphere is difficult. Here we report the observation of a multi-chord stellar occultation… CONTINUE READING
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