SAM in Numbers

AOM: optics                                

• Focus depth w.r.t. flange surface: 150mm

• 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

Electronics

Computers

HR camera

• Pixel size 10 micron or 15.23mas

• Format 658(H)x496(V) or 6.58x4.96mm or 10.0x7.55arcsec

SAMI

• Pixel size 15micron or 45.5mas

• 4Kx4K (3x3 arcmin on the sky)

• Filters: TBD

Back to SAM webpage [1]
Last change: Dec-23-2014, César Briceño

Send comments to: Andrei Tokovinin [2]