NGAO LGS Asterism Study

Triangle Asterism

• Triangle 10" radius plots
• Triangle 20" radius plots
• Triangle 30" radius plots
• Triangle 40" radius plots
• Triangle 50" radius plots
• Triangle 60" radius plots

Tetrad Asterism (Triangle + Center)

• Tetrad 5" radius plots
• Tetrad 10" radius plots (0, 45, & 60 zenith) <-- This is the B2C design science asterism baseline
• Tetrad 15" radius plots
• Tetrad 20" radius plots (0, 45, & 60 zenith)
• Tetrad 30" radius plots
• Tetrad 40" radius plots
• Tetrad 50" radius plots
• Tetrad 60" radius plots

Quincunx Asterism (Box + Center)

• Quincunx 10" radius plots
• Quincunx 20" radius plots
• Quincunx 40" radius plots

Pentagon Asterism (5 + Center)

• Pentagon 10" radius plots
• Pentagon 20" radius plots
• Pentagon 30" radius plots
• Pentagon 35" radius plots
• Pentagon 40" radius plots
• Pentagon 45" radius plots
• Pentagon 50" radius plots (0, 45, & 60 zenith)
• Pentagon 60" radius plots

Irregular Asterisms ()

• Kite 20"/40" plots
• Tetrad concave 20"/50" plots
• Tetrad 25" radius 30 degree opening angle plots
• Spiral 4 LGS
• Spiral 5 LGS

-- ChrisNeyman - 3 Mar 2009