APT ETC

User's Guide

  1. Return to ETC
  2. Welcome
  3. ETC and SYNPHOT
  4. Calculating Time and SNR
    1. Calculating SNR
    2. Calculating Time
  5. Calculating Optimal SNR
  6. Spectroscopy
  7. Target acquisition
  8. Basic Use
  9. Page Heirarchy
  10. Reference
    1. Extraction Regions
    2. Spectral Distributions
    3. User Supplied Spectra
    4. Other HST Spectra
    5. E(B-V) and the Interstellar Extinction Curve
    6. Normalizing the Source Flux
    7. Specifying the Appropriate Background
    8. CCD Parameters
    9. The ETC ID Number
  11. Appendix A: Calculations
    1. SYNPHOT Calls
    2. SYNPHOT Call Descriptions
    3. SYNPHOT Call Parameters
    4. NICMOS Spectroscopic Extraction Regions
  12. Appendix B: Tables
      Spectral Elements
      1. NICMOS Filters
      2. NICMOS Dispersers
      3. ACS Filters and Dispersers
      4. COS Dispersers
      5. WFC3 Filters and Dispersers
      6. STIS Filters and Dispersers
    1. NICMOS Extraction Region Tables
    2. COS Tables
    3. STIS Modes