Planetary "First Family"*

- Out of Print

A K-band (2.2microns) AO image of the HR 8799 planetary system made using Gemini/Altair/NIRI and acquired on September 5, 2008 (North is up and East is left). The three planets are designated with red circles. The stellar flux has been subtracted using ADI (<a href="node/11151#adi" title="ADI">see text for details</a>) and the central saturated region is masked out. Multiepoch observations have shown counterclockwise Keplerian orbital motion for all three planets.
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Front/Image - Medium Resolution JPG (119 KB)

Back/Text - Medium Resolution JPG (713 KB)

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The latest version of the image is available without text here.