Home/Reference/Natural Sciences/Astronomy and Astrophysics/Observational AstronomyObservational AstronomySub-topicsastrometryastronomical photometryastronomical spectroscopymulti wavelength observationobservational data analysistime domain astronomyMethods for this conceptLight Curve AnalysisTransit PhotometryGravitational MicrolensingStrong Gravitational LensingWeak Gravitational LensingAstrometry (Parallax)Rotation Curve AnalysisZeeman-Doppler ImagingRelated conceptsAstronomy and AstrophysicsAstronomical Instrumentation and MethodsGalactic and Extragalactic AstronomyStellar AstrophysicsCosmologyPlanetary Science