Instrument Characteristics

Adaptive Optics Module (AOM): optics

Focus depth w.r.t. flange surface: 150mm
(Off-axis Parabola (OAP) parameters:
- Focal length 810mm
- Off-axis distance 213.277mm
- Diameter 175mm
Deformable mirror BIM-60
- Number of electrodes: 60
- Pupil diameter: 50mm, incidence angle: 12.5deg
- Min. curvature radius (400V on all electrodes): 16.7m
Tip-Tilt guiders
- Patrol field: 100x100mm (5x5 arcmin)
- Probe field of view: 3x3arcsec

AOM - mass and dimensions

Total mass at installation (3-Aug-2009) ~300kg
Offset towards SOAR w.r.t. the ISB hole: 67.5m

SOAR telescope

Aperture diameter 4.10m
Plate scale 0.330mm/arcsec or 3.025arcsec/mm
M1 curvature radius at vertex: -13.50970m
M1 conic constant: -1.002667
M2 curvature radius: -2.03265m
M1-M2 distance: 5.83922m
M2-M3 distance: 4.98922m
M3 to focus: 4250.0m
Effective focal length: 68.175m (F/16.63)
Focal surface radius: 0.9656m (convex outside)
Central obscuration: 0.228 (diameter 936.5mm)

Laser

Wavelength 355nm
Nominal power 10W
Nominal pulse frequency 10kHz, pulse length 34ns
Laser head size: 813x127x86mm, mass: 14.5kg
Typical power consumption: 400W laser, 700W chiller
Power supply size: 427x364x76mm, mass: 8.4kg
Chiller size: 533x440x264mm, mass 55kg

SAM Imager (SAMI)

Pixel size 15micron square or 45.5mas
4Kx4K (3x3 arcmin on the sky)
Filters

Updated on July 8, 2024, 1:56 pm