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OSIRIS Instrument Configuration

Updated: 2001 May 21


Slit Wheel
 
0 Low Resolution, Long (0.34mm wide by 63.0 mm long)
1 Cross-Disperse & Filter (0.34mm wide by 8.64mm long)
2 High Resolution, Long (0.14mm wide by 24.0 mm long)
3 -Unused-
4 f/2.8 imaging stop (62.0mm square)
5 -Unused-
6 f/7 imaging stop (23.2mm square)
7 Pinhole (0.1mm diameter)


Main Filter Wheel
 
0 Dark
1 Open
2 2.14 micron 1% (30mm) [filter curve (PS) (GIF) | throughput table ]
3 J Band (30mm, Barr)[filter curve (GIF)|throughput table]
4 H Band (30mm, Barr)[filter curve (GIF) | throughput table]
5 K Band (30mm, Barr)[filter curve (GIF)|throughput table]
6 I band (1.1 um, 25 mm, tilted)
7 K + Neutral Density (N.D = 2; 30mm)
8 K' (30mm)
9 Cross-Dispersing Grism (25mm) with 1.18 micron long-pass filter


Prefilter Wheel (Not available in Spectroscopic Mode)
 
0 1.28 micron 1% (25mm)
1 Open
2 2.03 micron 1%, continuum (25mm)[filter curve (GIF) | throughput table ]
3 Neutral Density (N.D. = 1; 30mm)
4 2.06 micron 1%, He I (25mm) [filter curve (GIF) | throughput table ]
5 1.69um FeII (25mm)
6 1.644 um 1% [FeII] (25mm)
7 2.17 micron 1%, Br Gamma (25mm)
8 2.122um H2, 1%, (25mm)
9 HeI 1.083 micron (25mm)


Camera Turret
 
0 f/2.8 camera 
1 f/7 camera
2 Pupil Viewing Camera, camfocus = 0 
3 None