Faint Object Spectrograph

Instrument type: Spectrograph
Wavelength range: 115 to 850 nm

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

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Associated Shuttle missions

Launch	STS-31

Servicing	STS-61 · STS-82 · STS-103 · STS-109

Planned	STS-125

Onboard instruments

Current	Advanced Camera for Surveys (ACS) · Corrective Optics Space Telescope Axial Replacement (COSTAR) · Fine Guidance Sensor (FGS) · Near Infrared Camera and Multi-Object Spectrometer (NICMOS) · Space Telescope Imaging Spectrograph (STIS) · Wide Field and Planetary Camera 2 (WFPC2)

Planned	Cosmic Origins Spectrograph (COS) · Wide Field Camera 3 (WFC3)

Previous	Faint Object Camera (FOC) · Faint Object Spectrograph (FOS) · Goddard High Resolution Spectrograph (GHRS/HRS) · High Speed Photometer (HSP) · Wide Field and Planetary Camera (WFPC)

Italics indicate instruments that are currently failed and/or shut-down