GRAPHICAL PROJECTION OF THE DAILY ORBIT OF THE STAR SIRIUS ON THE PAVEMENT OF SAINT PETER'S SQUARE

Identifier:  imarina:9290340

Handle: https://hdl.handle.net/20.500.11797/imarina9290340

Authors:  Samper, Albert; Herrera, Blas

Abstract:
In this paper we present geometrical projections of the daily orbit of the star Sirius on the pavement of Saint Peter’s Square, in Vatican City. These projections are done-graphically and numerically-through certain sculptural motifs on top of the obelisk. These sculptural motifs reproduce the iconographic elements found on the coat of arms of Pope Alexander VII. We bring a new approach to the analysis of an internationally renowned square, which has great architectural and cultural heritage value. We make it clear that this research consists of a geometric analysis and not a historical study; that is why we show the results obtained without taking into account the intentionality or arbitrariness that Bernini’s design entails.