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h3. Contamination working group

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* *Members*
Eric Miller (chair, Suzaku, Astro-H)

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Andy Beardmore (Swift)

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Larry David (Chandra)

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Tadayasu Dotani (Astro-H)

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Michael Freyberg (eROSITA)

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Terry Gaetz (Chandra)

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Catherine Grant (Chandra)

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Kenji Hamaguchi (Suzaku)

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Herman Marshall (Chandra)

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Steve O'Dell (Chandra)

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Paul Pluncinsky (Chandra)

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Steve Sembay (XMM-Newton EPIC)

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Doug Swartz (Chandra)

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Masahiro Tsujimoto (Suzaku, Astro-H)

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Cor de Vries (XMM-Newton RGS)

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Qazuya Wada (Suzaku)

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* *Topics*
(with thanks to Herman M., Michael F., and Doug S.)

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** comparison among instruments and missions

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*** chemical composition

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*** time dependence

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*** spatial dependence (micron to cm scales)

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*** temperature dependence (where is the coldest surface?)

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*** environmental dependence (orbit)

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** mitigation for current instruments

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*** celestial monitoring targets

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*** effects on calibration and science results

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*** "bake-out" procedures

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** mitigation for future instruments

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*** design (cold traps, contamination blocking filters)

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*** procurement
*** ground procedures
*** ground testing and calibration
*** on-orbit monitoring

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* *Data*
[Suzaku/XIS contamination

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Attachments:

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 page|http://space.mit.edu/XIS/monitor/contam]

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