Time-lapse Animation of Proxima Centauri's Proper Motion

About this video
Duration: 5 seconds

This animation is assembled from 10 years of observations of the red dwarf star Proxima Centauri, the nearest star to our Sun at 4.2 light-years. Proxima has a relatively large proper motion compared to that of more distant background stars. It moves 3.85 arcseconds per year across the sky, which is the angular size of a nickel located 1.5 miles away. The astrometric data used for this visualization were collected between 2000 to 2010 at The Cerro Tololo Inter-American Observatory (CTIO), located in northern Chile.

Exoplanets, Gravitational Lensing, HD Video, Scientific Visualizations, Stars


NASA, ESA, A. Riedel and T. Henry (RECONS/SMARTS), and G. Bacon (STScI)

Publication: June 3, 2013

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