LOM v1.0hierarchicalLOM v1.01URLhttp://portal.discoverthecosmos.eu/node/107054enMeasure accurately the B and V magnitudes of several stars in the cluster, and plot them on a Color Magnitude Diagram. The students will be asked to identify the Main Sequence of the stars in the cluster, and measure their temperature and mass.measure magnitudesopen clustersHR diagramcolour-colour diagramstellar evolutionspectral classluminocity classHertzsprungRussellLOM v1.0final1.0LOM v1.0author2008-09-19Pablo Reig - FORTHLOM v1.0publisher2008-09-19Paterakis George - FORTHenLOM v1.0LOM v1.0creator2008-09-19Pablo Reig- FORTHLOM v1.0validatorLOM v1.0operating systemLOM v1.0ms-windowsWindows 95text/htmlhttp://portal.discoverthecosmos.eu/node/107054LOM v1.0noLOM v1.0yesLOM v1.0mixedmediumLOM v1.0difficult2 didactic hoursLOM v1.0exerciseLOM v1.0problem statementLOM v1.0lectureLOM v1.0LOM v1.0teacherLOM v1.0higher education18-25LOM v1.0DisciplineScienceAstronomy: Hertzsprung-Russell diagram