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InfraRed Imaging Spectrograph 2 (IRIS2)

AAT Instrument


In Brief: IRIS2 provides imaging and spectroscopic modes over the wavelength range 0.9 - 2.5 microns. It is normally used with the f/8 top end, to deliver a 7.7' x 7.7' field of view at 0.45" per pixel.
Instrument Scientist: Chris Lidman
See Instrument Scientist page for contact details.
WWW Page: IRIS2 WWW Page
Other Info:

Fact Sheet:


Detector: 1024 x 1024 HgCd Te array detector with 18.5um x 18.5um pixels.
Focal Station: Mounted at Cassegrain focus with either f/8, f/15 or f/36 top end.
Image Scales: 0.45 arcsec/pixel at f/8
0.24 arcsec/pixel at f/15 (not yet commissioned)
0.10 arcsec/pixel at f/36 (not yet commissioned)
Spectral Resolution*: R~2400
Filters: See IRIS2 filters page.
Sensitivities: Imaging and Spectroscopy S/N calculators.
*Spectral Resolution R measured as lambda/delta_lambda, delta_lambda = FWHM unresolved line, usually 2 pixels.

Chirs Lidman, chris.lidman -@- aao.gov.au