Exploring the database

Subject :

The catalog covers thousands of objects, with dozens of parameters per object. How to find information in such a table?

Level : High school
Time : about 3 hours

Prerequisites :

• logarithm scale
• Transits
• Radial velocities
• Gravitational lensing
• Imaging

Objectives :

• Understand the information accessible in a database using statistical tools
• Interpret a diagram and understand the limits of this tool
• 7 scatters/histograms of catalogue data are analysed

Matérials required :

• Access to the database.

Subjects, Appendices and Correction :

This activity offers several analyses of scatters and histograms

• General instructions
• Sujet : Scatter : Year of discovery-Masses. On line, PDF
• Sujet : Scatter : Masses - Radii. On line, PDF
• Sujet : Scatter : Distances - Masses. On line, PDF
• Sujet : Scatter : Periods - Semi-major axes ^? . On line, PDF
• Sujet : Histogram : Semi-major axes ^? . On line, PDF
• Sujet : Histogram : Radii. On line, PDF
• Sujet : Histogram : Eccentricities ^? . On line, PDF
• Corrections

Autrice : Françoise Roques LIRA, Observatoire de Paris