Instrument Information
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| IDENTIFIER |
urn:nasa:pds:context:instrument:hst.fos::1.2
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| NAME |
HST Faint Object Spectrograph
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| TYPE |
Spectrometer
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| DESCRIPTION |
The Faint Object Spectrograph (FOS) aboard the Hubble Space Telescope was a near-infrared spectrometer that covered wavelengths from 115 to 800 nm. The FOS was able to operate at two different modes: low resolution (reaching 26th magnitude in one hour), and high resolution (reaching 22nd magnitude in one hour). The FOS was replaced by the Space Telescope Imaging Spectrograph (STIS) in 1997.
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