1. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07 Agenda:

2. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07 Apologies: None

3. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07 Actions from last meeting (taken from minutes) 1/3

4. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07

5. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07

6. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07

7. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07

8. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07

9. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07

10. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07

11. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07 Fin_over_Fout [New – Available] Warnings put in regarding use of the MOS1 algorithm with post Rev-961 MOS1 CCD6 loss [have requested input from SM/AL]

12. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07

13. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07

14. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07 BGrebinimage2SKY[New – Available] Now can rebin and reproject any DETX/DETY image of any binning onto the sky to the spatial scale and sky X/Y position of a user-input image

15. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07 Input: 4" Input: 3" Input: 8" Sky template: 4.35" Sky output: 4.35" BGrebinimage2SKY

16. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07 2"2"3"3" 4"4" 8"8"

17. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07

18. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07

19. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07

20. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07

21. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07 Conclsions based mainly on RGS – within scatter, no difference between instruments EPIC-pn data more scarce & RGS on longer time at end of rev

22. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07 Evolution of the BG (years) Instruments generally agree No clear trend in evolution of BG Largest changes seen at end of rev – peaks of BG increase from 2000 to 2003- 2005 and then decline

23. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07 Evolution of the BG (months) Seasonal dependence due to asymmetry of the Earth’s magnetic field along the sun- antisun line. Beginning: Strong seasonal effect – high Feb-Aug – lower for rest of year – min in Dec & Jan – variation factor can be ~8 Apogee: Similar – marked minimum in Dec & Jan – variation only <3 (only <1.5 in Mar-Oct) End: Highest levels and strongest variations – Max in Apr (~8x Aug-Sep) – plus yearly effect

24. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07 Evolution of the XMM BG (Years)

25. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07 Evolution of the XMM BG (Months)

26. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07

27. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07 Some Other Open Issues espfilt? Any new tools, files? MJF – new pn CLOSED stacked sets – SAS 7.1 Scripts? Link from Other scripts page to ‘other scripts’ – e.g. ghostholes, BGrebinimage2SKY Plans for future versions of the ESAS s/w package? Convert ESAS into pn tool? Papers – KK/SS – MOS BG paper (astro-ph?) (BGWG-link?) What to present to CAL tomorrow?

28. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07 OOT events – removal on an event-by-event basis?

29. XMM EPIC MOS Andy Read (amr30@star.le.ac.uk) 6 th EPIC BG WG Meeting Mallorca, Spain 05/11/07