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					OSIRIS = OH-Suppressing InfraRed
Integral-field Spectrograph
   Facility instrument for Keck II telescope
   Fed by adaptive optics (with laser guide star)
   Integrated near-IR imager
   First light on February 22, 2005
   20482048 Rockwell Hawaii-2
    detector
   4 “wide” and 19 “narrow”
    spectral bands
   Coverage of one complete
    near-IR spectral band (z, J, H,
    or K) at R ≈ 3,800 in one shot
   1664 spatial pixels (in wide-
    band mode)
   Four image scales from
    0.02"/pix to 0.1"/pix
Garching 10/12/2005             Andreas Quirrenbach   1
OSIRIS on the Sky
 T Tau – Full K band spectrum
 Scale = 0.02"/lenslet
 FWHM = 0.043" at K
 ~25nm of wavefront error
                                                      0.1”
                      T Tau – South A
                                                             T Tau – South B
                                                             Heavily Embedded



  T Tau - North
Garching 10/12/2005             Andreas Quirrenbach                             2

				
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posted:3/21/2013
language:English
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