Hyperspectral tracker (Fs-IKEA)

☰	Hyperspectral tracker (FS-IKEA)

Scientific objectives
The instrument is a narrow field of view hyperspectral pushbroom imager. A front optical mirror system enables it to track any objects on the night sky as a function of wavelength throughout the visible spectrum.

Owner: UNIS
Contacts
PI: Fred Sigernes
Address: UNIS, P.O. Box 156, N-9171 Longyearbyen, Norway
E-mail: fred@unis.no

Panel (A): FS-IKEA spectrograph. (1) front lens, (2) entrance slit house, (3) collimator lens, (4) flat surface mirror, (5) reflective grating and (6) camera lens. Panel (B): Motorized Sky scanner

Instrument specifications
(A) Spectrograph: FS-IKEA
Spectral range is 420-700nm. The bandpass ~1nm. Collimator lens focal length 250mm. Entrance Slit-width is 0.250mm and Grating has 600 lines/mm. Camera lens has focal length 50mm. The detector head is from Andor model Luca R (EMCCD) with a resolution: 1004 x 1002 pixels. Exposure time is ~1s per spectrogram. The front lens is a Zeiss Planar F/1.4 85mm ZF.

(B) All-Sky scanner:
Uses 2x first surface mirrors with an azimuth range of 360^o and zenith angle range of 90^o. Aperture is ~10 inch with a angular resolution of 0.0003^o.