Concepedia
Harvard College Observatory Circular · 1912 · 164 citations · 0 references
Natural SciencesAstronomyPhysicsAstrophysicsObservational AstronomyStellar AstronomyProper MotionRed GiantsStar CatalogsStellar PopulationsStellar StructureVariable StarsLong-period VariablesRotating Variable StarsVariable Star ClassificationVariable Star MonitoringVariable Star Surveys