AbstractsAstronomy & Space Science

A Photographic Periodogram of the Sun-Spot Numbers

by A.E. Douglass




Institution: University of Arizona
Department:
Year: 1914
Keywords: Douglass; astronomy; sunspot; dendrochronology; sun-spot; periodogram; periodicity
Record ID: 1495280
Full text PDF: http://hdl.handle.net/10150/200059


Abstract