Pedro Antonio Valdés Sada

Pedro Antonio Valdés Sada is a Mexican astronomer, specialising in extra-solar planets (exoplanets), planetary astronomy and stellar astronomy. As of December 2015, he is associate professor and researcher at the Departamento de Física y Matemáticas at the Universidad de Monterrey.


Valdés Sada matriculated in 1982 as an Ingeniero Químico y de Sistemas ("Chemical and Systems Engineer") from the Instituto Tecnológico de Estudios Superiores de Monterrey, gaining a bachelor's degree in astronomy from the University of Texas in Austin in 1987. He took a master's degree in astronomy in 1990 and a doctorate in astronomy in 1993, both at New Mexico State University.


valdés Sada worked as a research assistant and telescope operator at the McDonald Observatory of the University of Texas in Austin. For over five years he was a teaching assistant and researcher at New Mexico State University. Between 1993 and 1996 he was resident associate researcher at NASA's Goddard Space Center en 1993–1996. In 1997, he started as an associate teacher and researcher at the Universidad de Monterrey (UDEM).

He has a programme on the university's radio station, on the subject of the exploration of constellations and stars.

Research projectsEdit

  • High-resolution infrared spectroscopy of planet Jupiter: Comparisons between Earth-based observations of hydrocarbons and those made in space.
  • Polarimetric observations of regions around active sunspots – MgI.
  • Photometry and astrometry of asteroids.
  • Stellar occultations by planets, moons and asteroids.
  • Photometry of the transits of extra-solar planets and variable stars.
  • Photometry of mutual eclipsing and occultation events of binary asteroids.



  • Castañeda, Jessica. "Pedro Valdés, obsesionado por el cielo" (PDF). Universidad de Monterrey (in Spanish). Retrieved 15 November 2015.
  • "2do Taller Nacional e Astrofísica Planetaria". Universidad Autónoma de Nuevo León (in Spanish). Facultad de Ciencias Físico Matemáticas. Retrieved 20 November 2015.
  • "Lo que ahora sabemos del planeta Plutón, por Pedro Antonio Valdés Sada". Feria Internacional del Libro (in Spanish). Instituto Tecnológico de Estudios Superiores de Monterrey. Retrieved 15 November 2015.[non-primary source needed]
  • "Pedro Antonio Valdés Sada". Universidad de Monterrey (in Spanish). Universidad de Monterrey. Retrieved 15 November 2015.[non-primary source needed]