Listar por autoría "9877b860-1046-422c-947c-340d064fc6ab"
Mostrando ítems 21-25 de 25
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Occultation of Planets by the Moon in European Narrative Medieval Sources
Martínez Usó, María José; Marco Castillo, Francisco José Sage (2019-05)Existing research dealing with astronomical observations from medieval Europe have extensively covered topics such as solar and lunar eclipses and sightings of comets and meteors, but no compilation of occultations of ... -
OSCURAUIT SOL: Stone Engravings and Other Contemporary Spanish Records for the A.D. 1239 and A.D. 1354 Eclipses and Their Astronomical Implications
Martínez Usó, María José; Marco Castillo, Francisco José; Ibáñez, Loli Sage (2016-02)The eclipse of a.d. 1239 June 3 was observed at no less than 10 sites in Europe, but the one from a.d. 1354 September 17 was observed only from two European sites. In this paper, we present several new references for the ... -
Semi-analytical integration algorithms based on the use of several kinds of anomalies as temporal variable
López Ortí, José Antonio; Martínez Usó, María José; Marco Castillo, Francisco José Elsevier (2008)One of the main problems in celestial mechanics is the management of long developments in Fourier or Poisson series used to describe the perturbed motion in the planetary system. In this work we shall develop a software ... -
The Lyrids meteor shower: A historical perspective
Martínez Usó, María José; Marco Castillo, Francisco José; López Ortí, José Antonio Elsevier Science Direct (2023-10-26)The April Lyrid meteor shower is the oldest meteor shower ever recorded continuously throughout history, dating as far back as 687 BC. Before the 20th century, historical sources only provided reports of two years of strong ... -
The total eclipse of the sun of July 29, AD1478, in contemporary Spanish documents
Martínez Usó, María José; Marco Castillo, Francisco José SAGE Publications (2023-05-06)The total solar eclipse on July 29, AD 1478, went unnoticed by most of Europe. Although several scholars accurately predicted it, very few observations made by professional astronomers have survived, and these contain very ...