Faint Object Spectrograph

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The Faint Object Spectrograph (FOS). This picture was taken after FOS was brought back to the Earth again. Credit: NASA/ESA.

The Faint Object Spectrograph (FOS) was a spectrograph installed on the Hubble Space Telescope. It was replaced by the Space Telescope Imaging Spectrograph in 1997.

[edit] FOS Facts

• Instrument type: Spectrograph
• Wavelength range: 1150 to 8500 Angstroms

[edit] External links

• The Faint Object Spectrograph (FOS)
• ESA/Hubble Release about FOS
• FOS at ESA/Hubble

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