PIA15624: Measuring Brightness of Super Earth 55 Cancri e
 Mission:  Spitzer Space Telescope
 Product Size:  3600 x 2100 pixels (w x h)
 Produced By:  IPAC-Caltech
 Full-Res TIFF:  PIA15624.tif (22.68 MB)
 Full-Res JPEG:  PIA15624.jpg (708.5 kB)

Click on the image above to download a moderately sized image in JPEG format (possibly reduced in size from original)

Original Caption Released with Image:

This graphic illuminates the process by which astronomers using NASA's Spitzer Space Telescope have, for the first time, detected the light from a super Earth planet.

The brightness of the planet was measured as the star passed behind its star (an "occultation"), causing a slight dip in the total light of the system. The occultation is much easier to detect in infrared light since the planet glows brightly due to its high temperature. Such measurements help astronomers determine conditions on the planet itself.

JPL manages the Spitzer Space Telescope mission for NASA's Science Mission Directorate in Washington. Science operations are conducted at the Spitzer Science Center at the California Institute of Technology (Caltech) in Pasadena. Data are archived at the Infrared Science Archive housed at the Infrared Processing and Analysis Center at Caltech. Caltech manages JPL for NASA.

For more information about Spitzer, visit: http://www.nasa.gov/spitzer and http://spitzer.caltech.edu.

Image Credit:

Image Addition Date: