Contamination working group

• Members
  Eric Miller (chair, Suzaku, Astro-H)
  Andy Beardmore (Swift)
  Larry David (Chandra)
  Tadayasu Dotani (Astro-H)
  Megan Eckart (Astro-H SXS)
  Michael Freyberg (eROSITA)
  Terry Gaetz (Chandra)
  Catherine Grant (Chandra)
  Kenji Hamaguchi (Suzaku)
  Maurice Leutenegger (Astro-H SXS)
  Herman Marshall (Chandra)
  Steve O'Dell (Chandra)
  Paul Plucinsky (Chandra)
  Steve Sembay (XMM-Newton EPIC)
  Doug Swartz (Chandra)
  Masahiro Tsujimoto (Suzaku, Astro-H)
  Cor de Vries (XMM-Newton RGS)
  Qazuya Wada (Suzaku)

• Topics
  (with thanks to Herman M., Michael F., and Doug S.)
  • comparison among instruments and missions
    • chemical composition
    • time dependence
    • spatial dependence (micron to cm scales)
    • temperature dependence (where is the coldest surface?)
    • environmental dependence (orbit)
  • mitigation for current instruments
    • celestial monitoring targets
    • effects on calibration and science results
    • "bake-out" procedures
  • mitigation for future instruments
    • design (cold traps, contamination blocking filters)
    • procurement
    • ground procedures
    • ground testing and calibration
    • on-orbit monitoring

• Meetings
  • Contamination WG Telecon #2 (2015-03-25)
  • 9th IACHEC Meeting, 12-15 May 2014 
  • Contamination WG Telecon #1 (2014-03-31)
    
    
• Reference Materials
  • XSPEC contamination model hcnofcol:   hcnofcol.tar.gz
    allows composition to be specified in column densities rather than with respect to H (a la varabs)
    see the included README file for parameters and installation instructions
    

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