Difference: ArchitectureDefinition (7 vs. 8)

Revision 82011-11-09 - RichardDekany

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META TOPICPARENT name="WebHome"

TMAS Visible Light AO Instrument Observing Candidate Observing Modes

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TMAS cameras
  • Leading option
    • 2 ea. Andor 5 MPix (2560 x 2160) NEO sCMOS cameras from Gregg Hallinan
Changed:
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      • 6.5 micron pixels; Max rate = 100Hz; QE (400nm) = 0.3, QE (550nm) = 0.57, QE (900nm) = 0.14
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      • 6.5 micron pixels; 16.64 mm x 14.04 mm; Max rate = 100Hz; QE (400nm) = 0.3, QE (550nm) = 0.57, QE (900nm) = 0.14
 
  • Backup options
    • Andor 1 MPix (1024 x 1024) 888 iXon EMCCD camera from Christoph Baranec (with 'BV' quantum efficiency option)
Changed:
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      • 13 um pixels; Max rate = 10Hz (full frame); QE (400nm) = 0.6; QE (550nm) = 0.96, QE (900nm) = 0.48
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      • 13 um pixels; 13.31 mm x 13.31 mm; Max rate = 10Hz (full frame); QE (400nm) = 0.6; QE (550nm) = 0.96, QE (900nm) = 0.48
 
    • CCD21 (1024 x 1024) custom former DBSP red channel camera
      • ? um pixel; Max rate = Slow; Mature science GUI; pretty good CCD QE, but not particularly red-sensitive

TMAS foci
Changed:
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  • Channel 1: F/26.392; f = 134.072m; 10 mas / pixel = 10 mas / 6.5 um = 1.5385 mas/um = 1.5385 "/mm or 0.65 mm/ " (assuming NEO camera)
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  • Channel 1 (ZMX Config 2): F/26.392; f = 134.072m; 10 mas / pixel = 10 mas / 6.5 um = 1.5385 mas/um = 1.5385 "/mm or 0.65 mm/ " (assuming NEO camera)
 
    • Nyquist at lambda = 492nm; FoV = 25.6" x 21.6"
Changed:
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  • Channel 2: F/42.227; f = 214.515m; 16 mas / pixel = 16 mas / 6.5 um = 2.4615 mas / um = 2.4615 " / mm or 1.04 mm/ " (assuming NEO camera)
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  • Channel 2 (ZMX Config 1): F/16.495; f = 83.796m; 16 mas / pixel = 16 mas / 6.5 um = 2.4615 mas / um = 2.4615 "/mm or 0.406 mm/ " (assuming NEO camera)
 
    • Nyquist at lambda = 788nm, FoV = 41.0" x 34.6"
    • Same focus would have 32 mas / pixel = 32 mas / 13 um; FoV = 32" x 32" assuming 888 iXon camera
Changed:
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  • Alt focus 1: F/52.784; f = 268.144m; 10 mas / pixel = 10 mas / 13 um = 0.7693 mas/um = 0.7693 "/mm or 1.3 mm/ " (assuming 888 iXon camera)
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  • Alt focus 1: F/52.784 (ZMX Config 3); f = 268.144m; 10 mas / pixel = 10 mas / 13 um = 0.7693 mas/um = 0.7693 "/mm or 1.3 mm/ " (assuming 888 iXon camera)
 
    • Nyquist at lambda = 492nm; FoV = 12.8" x 10.8"
Changed:
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  • Alt focus 2a: F/84.454; f = 429.03m; 16 has / pixel = 16 mas / 13 um = 1.2308 mas / um = 1.2308 " / mm or 0.813 mm / " (assuming 888 iXon camera)
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  • Alt focus 2a: F/32.990; f = 167.592m; 16 has / pixel = 16 mas / 13 um = 1.2308 mas / um = 1.2308 " / mm or 0.813 mm / " (assuming 888 iXon camera)
 
    • Nyquist at lambda = 788nm, FoV = 20.5" x 17.3"
  • Alt focus 2b: F/26.392; f = 134.072m; 10 mas / pixel = 10 mas / 6.5 um = 1.5385 mas/um = 1.5385 "/mm or 0.65 mm/ " (assuming NEO camera)
    • Nyquist at lambda = 492nm; FoV = 25.6" x 21.6"
 
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