Forcast commissioning
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FORCAST Commissioning. September 29, 2009 Cornell University. Adams/Herter. FORCAST Telescope Configurations. FORCAST Observing Modes. FORCAST Line Ops Tests. FORCAST Commissioning Procedures. EMI/EMC Test MCCS Communications Functional Test INF Pressure Test

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FORCAST Commissioning

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Forcast commissioning

FORCASTCommissioning

September 29, 2009

Cornell University

Adams/Herter


Forcast telescope configurations

FORCAST Telescope Configurations

FORCAST Trimester Review


Forcast observing modes

FORCAST Observing Modes

FORCAST Trimester Review


Forcast line ops tests

FORCAST Line Ops Tests

FORCAST Trimester Review


Forcast commissioning procedures

FORCAST Commissioning Procedures

  • EMI/EMC Test

  • MCCS Communications Functional Test

  • INF Pressure Test

  • Alignment and Setup in the Air

    • Pupil alignment check in the air

    • Frame rates (depend on background conditions)

    • Telescope functionality (focus, chop and nod)

    • Chop and nod settle times

    • Pointing Stability

  • System Characterization

    • Optimum instrument parameters per instrument filter mode (bias, well depth)

    • Optimum chop frequency

    • Telescope emissivity

    • Sensitivity (standard stars)

FORCAST Trimester Review


Observing techniques for extended sources to be tested during line ops

Observing Techniques for Extended Sources (to be Tested During Line Ops)

  • Standard chop and nod (inefficient)

  • Quick step-and-stare (less effective sky subtraction)

  • Scanning (requires fast reads and many scans)

FORCAST Trimester Review


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