The Heliometer of Rio de Janeiro in Operation - 2013 Calibration [PDF]
Costantino SigismondiHere the preliminary results of the calibration of the heliometric angle of the Heliometer in Rio de Janeiro are presented. They have been made in 2013 with a reference surveying rod, equipped with two metal spheres acting as artificial star, when illuminated by the Sun, and with the method of drift-scan timing.View original: http://arxiv.org/abs/1307.0548
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