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OCCULTATION BY DWARF PLANET ERIS (Nov-6th-2010)

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Uploaded on Nov 8, 2010

­Occultation of a 16 magnitude star by dwarf planet Eris on November 6th, 2010. The observation was performed with a 40 cm. robotic telescope from The Andalusian Astrophysics Institute (Instituto de Astrofísica de Andalucía, Granada, Spain) and Astroimagen ( http://www.astroimagen.com/ ). The telescope is located at San Pedro de Atacama (Chile). The star can be seen centered in the field, where the arrow is pointing, and it clearly shows how it disappears beneath Eris disk, and how it shortly emerges afterwards. This occultation will allow to determine very precisely the size of the object. Eris is a trans-Neptunian object and the most distant object for which such an occultation has been detected, being at 96.6 Astronomical Units at the moment at which the occultation occurred.

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