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Phase I


Generic HST proposal information:

  • Proposal deadlines
  • Call for Proposals
  • HST Primer
  • Proposal forms
  • Proposal instructions
  • Additional information

    Check target availability:

  • Duplication policy
  • Duplication checking tool

    General COS information:

  • Web site
  • Instrument Handbook
  • Spectroscopic Exposure Time Calculator
  • Imaging Exposure Time Calculator

    Specific COS proposal issues:

  • Designing observations
  • Bright object limits
  • Visit orbit limits
  • Restrictions on COS parallels

    Base orbit requests on:

  • Exposure times implied by COS sensitivity
  • Exposure overheads for visits and exposures
  • Orbit request examples
  • Optionally, use the (APT software) as in Phase II

    Check proposal using Phase 1 checklist

    • Shortcuts

    Instrument Handbook
    Information Brochure (PDF)
    Exposure Time Calculator
    HST Primer
    Call for Proposals
    Proposal Instructions
    ISRs
    Program Status


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