7 citations · 7 across the 3 of their papers we have counts for
3 papers
Archaeoastronomical study on the north-central coast of Peru
Jose Ricra, Alejandro Gangui
The Caral civilization developed on the north-central coast of Peru and had an occupation period between 2870 and 1970 years BC. The first studies carried out in the field of archa…
The River and the Sky: Astronomy and Topography in Caral Society, America's First Urban Centers
A. César González-García, Aldemar Crispín, Ruth Shady Solís +3
America's first urban centres were allegedly located at the Supe Valley sites in Peru. After investigating the location and the orientation of the main built structures, we show th…
Characterizing a CCD detector for astronomical purposes: OAUNI Project
Antonio Pereyra, Maria I. Zevallos, Jose Ricra +1
This work verifies the instrumental characteristics of the CCD detector which is part of the UNI astronomical observatory. We measured the linearity of the CCD detector of the SBIG…