Abstract The Fine Guidance Sensors of the Hubble Space Telescope were originally designed as the ultimate guidance component of the spacecraft's Pointing Control System. Partly because of these capabilities, their role was enlarged to serve as the principal astrometric instrument of the observatory. This paper discusses extensions of the scientific use of the Fine Guidance System beyond traditional positional and double star astronomy (position and brightness to include color temperature, angular size, and limb darkening for single stars; magnitude difference, total brightness, separation, and position angle to also include color temperatures and angular diameters for double stars) to analogous attributes for non-stellar sources such as active galactic nuclei, quasars, supernovae remnants, multiple nuclei galaxies, and so on.
Expanding the scientific role of the hubble space telescope fine guidance sensors
Advances in Space Research ; 11 , 2 ; 97-102
1991-01-01
6 pages
Article (Journal)
Electronic Resource
English
Astrometry using the hubble space telescope fine guidance sensors
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