Fast Auroral Imager (FAI) for the e-POP Mission

The Fast Auroral Imager (FAI) consists of two charge-coupled device (CCD) cameras: one to measure the 630 nm emission of atomic oxygen in aurora and enhanced night airglow; and the other to observe the prompt auroral emissions in the 650 to 1100 nm range. High sensitivity is realized through the com...

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Bibliographic Details
Published in:Space science reviews 2015-06, Vol.189 (1-4), p.15-25
Main Authors: Cogger, Leroy, Howarth, Andrew, Yau, Andrew, White, Andrew, Enno, Greg, Trondsen, Trond, Asquin, Don, Gordon, Blair, Marchand, Paul, Ng, Danny, Burley, Greg, Lessard, Marc, Sadler, Brent
Format: Article
Language:English
Subjects:
Aerospace Technology and Astronautics
Astrophysics and Astroparticles
Atomic physics
Auroras
Cameras
Charge coupled devices
Emission
Emission measurements
Exposure
Launches
Night
Oxygen
Physics
Physics and Astronomy
Planetology
Space Exploration and Astronautics
Space Sciences (including Extraterrestrial Physics
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Summary:The Fast Auroral Imager (FAI) consists of two charge-coupled device (CCD) cameras: one to measure the 630 nm emission of atomic oxygen in aurora and enhanced night airglow; and the other to observe the prompt auroral emissions in the 650 to 1100 nm range. High sensitivity is realized through the combination of fast lens systems ( f /0.8) and CCDs of high quantum efficiency (>90 % max). The cameras have a common 26 degree field-of-view to provide nighttime images of about 650 km diameter from apogee at 1500 km. The near infrared camera provides up to two images of 0.1 s exposure per second with a spatial resolution of a few km when the camera is pointing in the nadir direction, making it suitable for studies of dynamic auroral phenomena. The 630-nm camera has been designed to provide one image of 0.5 s exposure every 30 seconds. Launch of the satellite occurred on September 29, 2013. Following a description of the instrument, sample auroral images are presented.
ISSN:0038-6308
1572-9672
DOI:10.1007/s11214-014-0107-x