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Map of Observations
FIMS-SPEAR conducted the first large-area spectral imaging survey of the far-ultraviolet sky, a band that spans warm and hot plasma cooling lines, molecular hydrogen fluorescent emission, and dust-scattered starlight. Known in Korea as the "Far-Ultraviolet Imaging Spectrograph" (FIMS) and in the US as "Spectroscopy of Plasma Evolution from Astrophysical Radiation" (SPEAR), FIMS-SPEAR was the primary payload on STSAT-1, Korea's first astronomy satellite.
This mission comprised dual imaging spectrographs optimized for measuring diffuse emission, including the "Short" S-band (900–1150 Å) and the "Long" L-band (1350–1710 Å). Available data products include hyperspectral imaging covering most of the sky, extracted line emission maps, star spectra, and pointed observations of the Vela supernova remnant.
FIMS-SPEAR was a joint mission between the Korean Astronomy and Space Science Institute (KASI), the Korea Advanced Institute of Science and Technology (KAIST), and the University of California, Berkeley, with support from NASA and the Korean Ministry of Science and Technology.
September 2003 - November 2004
- Spectral resolving power R~550
- Spatial resolution down to 5 arcmin (7 arcmin in available products)
- Imaging spectroscopy
- 14 April 2023: v1.0 released
All FIMS-SPEAR products can be retrieved through direct download links, bundles, and cURL scripts tabulated in the mission manual.
A subset of FIMS-SPEAR data, including Vela supernova remnant emission line images and 209 bright star spectra, are discoverable through the MAST Portal. Search for bright stars by coordinate, or discover other missions' observations of your target.
A subset of FIMS-SPEAR data, including Vela supernova remnant emission line images and 209 bright star spectra, can also be retrieved programmatically using mast.astroquery.
The FIMS-SPEAR manual, including mission documentation, MAST data access information, tutorials, and more.