This applet demonstrates the technique for detecting extrasolar planets through measurements of the Doppler shift of spectral lines of the star due to the star's reflex motion. The applet generates randomized data of the Doppler velocity representing observations of a planetary system. The object of the game is to adjust the parameters of the orbit so that the Doppler curve will fit the specified data. The user can control the semi-major axis, eccentricity, inclination, node angle, planet mass and the phase.
This is part of a larger collection of applets by STEM Colorado focused mostly on topics in astronomy.
Please note that this resource requires
at least version 1.4.2_06 of
McCray, R., & Koelemay, A. (2008, August 27). Planet Finder: Discovering Extra-solar Planets Exercise. Retrieved August 22, 2017, from http://scatter.colorado.edu/PlanetFinder/Standalone/StarListView.php
McCray, Richard, and Andrew Koelemay. Planet Finder: Discovering Extra-solar Planets Exercise. August 27, 2008. http://scatter.colorado.edu/PlanetFinder/Standalone/StarListView.php (accessed 22 August 2017).
%0 Electronic Source %A McCray, Richard %A Koelemay, Andrew %D August 27, 2008 %T Planet Finder: Discovering Extra-solar Planets Exercise %V 2017 %N 22 August 2017 %8 August 27, 2008 %9 application/java %U http://scatter.colorado.edu/PlanetFinder/Standalone/StarListView.php
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