Astrometry
type: Concept
narrower: Baade-Wesselink method

Baade-Wesselink method
alternative label: Expanding photosphere method
alternative label: Baade Wesselink method
alternative label: Expanding-photosphere method
type: Concept
modified: 2020-11-03T18:40:10.954Z
modified: 2020-11-03T18:39:56.429Z
broader: Astrometry
contributor: AAS Frey.Katie
definition: A method used to determine the size of certain types of pulsating stars, including Cepheids, from their magnitude variations (photometry) and the corresponding radial velocities (spectroscopy).