1. XMM EPIC MOS Jenny Carter (jac48@star.le.ac.uk)‏ 8 th EPIC BGWG Meeting Mallorca, March 09 Jenny Carter, University of Leicester Andy Read, University of Leicester BGWG Blank Sky update

2. XMM EPIC MOS Jenny Carter (jac48@star.le.ac.uk)‏ 8 th EPIC BGWG Meeting Mallorca, March 09 Current status, March 2009 Completed Action Item: 07_01 Provide ME with list of updates for UG presentation 07_03 Draft BGSelector release note for XMM-Newton News 07_04 Add limitations of refilled files to web page; continue investigating ghosting problem 07_05 scaling of exposure map/skycast advice added to web page 07_06 more descriptions in tools New delivery system implemented Live since October 2008 User requests tailor-made blank sky file Files delivered a few days later via summary web page Over 60 requests for files

3. XMM EPIC MOS Jenny Carter (jac48@star.le.ac.uk)‏ 8 th EPIC BGWG Meeting Mallorca, March 09 Current web page Simpler layout, links to old page

4. XMM EPIC MOS Jenny Carter (jac48@star.le.ac.uk)‏ 8 th EPIC BGWG Meeting Mallorca, March 09 Web based request form

5. XMM EPIC MOS Jenny Carter (jac48@star.le.ac.uk)‏ 8 th EPIC BGWG Meeting Mallorca, March 09 Example delivery page

6. XMM EPIC MOS Jenny Carter (jac48@star.le.ac.uk)‏ 8 th EPIC BGWG Meeting Mallorca, March 09

7. XMM EPIC MOS Jenny Carter (jac48@star.le.ac.uk)‏ 8 th EPIC BGWG Meeting Mallorca, March 09

8. XMM EPIC MOS Jenny Carter (jac48@star.le.ac.uk)‏ 8 th EPIC BGWG Meeting Mallorca, March 09 Some facts on new delivery system use Total number (69)‏ Over 1.5 requests per working day in Jan Responding within a 3 day period generally Main queries/confusions Very small requests (all parameters exactly the same as user’s observation)‏ Very wide selection – changed approach. Previously asked for re-submission, now make judgement on file/restrict size and go straight to delivery

9. XMM EPIC MOS Jenny Carter (jac48@star.le.ac.uk)‏ 8 th EPIC BGWG Meeting Mallorca, March 09 Requests per month News #84 Nov Dec Jan Feb Mar

10. XMM EPIC MOS Jenny Carter (jac48@star.le.ac.uk)‏ 8 th EPIC BGWG Meeting Mallorca, March 09

11. XMM EPIC MOS Jenny Carter (jac48@star.le.ac.uk)‏ 8 th EPIC BGWG Meeting Mallorca, March 09 User queries, example correspondence M. Ajello – (using old files). Scaling question, discrepancy between blank sky and user observation at high energies. User observation highly SP contaminated. Query closed. M. Wezgowiec – repeated queries. Files constructed, tailored to user requirements. Query closed. M. Gitti – repeated queries. Required longer exposure than received. Tailored files. Query closed. (Other): software available, how to scale bkg, good feedback, asking about SW/LW

12. XMM EPIC MOS Jenny Carter (jac48@star.le.ac.uk)‏ 8 th EPIC BGWG Meeting Mallorca, March 09 Outstanding issues Ghosting – bad flags in/good flags out spatially Add example current blank sky files to web form so requests not necessarily needed Implement some minor changes after internal user comments regarding web page text Other output to add to response page: exposure weighted nH from list component files