Exposure time for prism spectroscopy of a point source
Zodiacal time 1.2x minimum
Zodiacal time 1.44x minimum
Zodiacal time 2.0x minimum
Zodiacal time 3.5x minimum
Exposure time for prism spectroscopy with 0.2 arcsec half light radius
Zodiacal time 1.2x minimum
Zodiacal time 1.44x minimum
Zodiacal time 2.0x minimum
Zodiacal time 3.5x minimum
Exposure time for prism spectroscopy with 0.3 arcsec half light radius
Zodiacal time 1.2x minimum
Zodiacal time 1.44x minimum
Zodiacal time 2.0x minimum
Zodiacal time 3.5x minimum