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O rbiting W ide-angle L ight-collectors (OWL)

Mission Design

OWL home
(click on any OWL to reach home)
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Detector Design
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 The OWL mission will:
  • Use the Earth's atmosphere as a vast calorimeter and observe nitrogen fluorescence light of giant air showers from ABOVE.
  • Determine arrival direction to better than 1°
  • Observe same shower development with two satellites : stereo OWL
  • Perform measurements of shower energy profile and determine depth of interaction in atmosphere, required for particle identification.
  • Monitor approximately 2 million km2 sr of atmosphere, with ~ 12% observing efficiency.

OWL home

A service of the Exploration of the Universe Division (EUD) at NASA's GSFC
Responsible NASA Official: Robert Streitmatter

Astrophysics questions? Ask a Physicist
NASA-specific questions? Try the NASA home page
OWL Web page questions or comments? Email Robert Streitmatter or John Krizmanic or Web curators, Beth Barbier and Sara Mitchell

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This file was last modified May 4, 2004