The ESA/ESO Exercise Series booklets English - Exercise 7
In this exercise we measure the period and apparent magnitudes of Cepheid variables in the galaxy M100 on FITS images with the free European Hands-On Universe software SalsaJ. The absolute magnitude is derived using the Period-Luminosity relation and the distance to M100 can then be determined using the distance relation. Finally we calculate a value for the Hubble constant (using a value for the recession velocity of M100 observed by other scientists) and estimate the age of the Universe. English Version. LASER PRINT. Full-colour.
This Educational Material is not available for sale.Credit:
ESA/Hubble & ESO
About the Material
|Release date:||19 March 2012, 17:07|
|Dimensions:||29.7 cm (W) x 21 cm (H) x 0.3 cm (D)|