1. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction Spatial variation of the energy scale Energy correction for pixels with an incorrect value in the offset map Investigation of additional spatial offsets

2. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 332 59 ks calclosed 20 adu image

3. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 332 59 ks calclosed 20 adu image: localizing bright pixels

4. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 332 59 ks calclosed E = 5.908 +/- 0.0004 keV 20 adu image: bright pixels

5. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 332 59 ks calclosed 20 adu image: bright pixels shifted E = 5.896 +/- 0.0004 keV

6. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 332 59 ks calclosed Energy shifts and 20 adu brightness

7. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 332 59 ks calclosed 20 adu image: intensity classes

8. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 332 59 ks calclosed Low intensity Energy shifts and 20 adu brightness

9. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 332 59 ks calclosed High intensity Energy shifts and 20 adu brightness

10. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 332 59 ks calclosed Very high intensity Energy shifts and 20 adu brightness

11. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 332 59 ks calclosed Energy shifts and 20 adu brightness

12. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 332 59 ks calclosed 20 adu image

13. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 332 59 ks calclosed 20 adu image, after energy correction

14. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 344 75 ks 20 adu image, normalized to 1 ks

15. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 349 36 ks 20 adu image, normalized to 1 ks

16. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 522 90 ks 20 adu image, normalized to 1 ks

17. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 523 76 ks 20 adu image, normalized to 1 ks

18. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 525 82 ks 20 adu image, normalized to 1 ks

19. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 526 93 ks 20 adu image, normalized to 1 ks

20. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 527 100 ks 20 adu image, normalized to 1 ks

21. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 528 82 ks 20 adu image, normalized to 1 ks

22. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 544 121 ks 20 adu image, normalized to 1 ks

23. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 548 89 ks 20 adu image, normalized to 1 ks

24. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction Median image of norm. 20 adu images rev 548 89 ks rev 344 75 ks rev 349 36 ks rev 522 90 ks rev 523 76 ks rev 544 121 ks rev 528 82 ks rev 526 93 ks rev 525 82 ks rev 527 100 ks 844 ks

25. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction Median image of norm. 20 adu images rev 548 89 ks rev 344 75 ks rev 349 36 ks rev 522 90 ks rev 523 76 ks rev 544 121 ks rev 528 82 ks rev 526 93 ks rev 525 82 ks rev 527 100 ks 844 ks

26. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 344 75 ks 20 adu image, normalized to 1 ks

27. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 344 75 ks 20 adu image – median, normalized

28. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 349 36 ks 20 adu image – median, normalized

29. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 522 90 ks 20 adu image – median, normalized

30. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 522 90 ks offset map (filtered)

31. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 523 76 ks 20 adu image – median, normalized

32. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction offset map (filtered) rev 523 76 ks

33. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 525 82 ks 20 adu image – median, normalized

34. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction offset map (filtered) rev 525 82 ks

35. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 526 93 ks 20 adu image – median, normalized

36. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction offset map (filtered) rev 526 93 ks

37. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 527 100 ks 20 adu image – median, normalized

38. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction offset map (filtered) rev 527 100 ks

39. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 528 82 ks 20 adu image – median, normalized

40. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction offset map (filtered) rev 528 82 ks

41. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction rev 544 121 ks 20 adu image – median, normalized

42. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction offset map (filtered) rev 544 121 ks

43. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction Correlation between pixel contents rev 522 90 ks

44. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction Correlation between pixel contents rev 523 76 ks

45. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction Correlation between pixel contents rev 525 82 ks

46. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction Correlation between pixel contents rev 526 93 ks

47. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction Correlation between pixel contents rev 527 100 ks

48. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction Correlation between pixel contents rev 528 82 ks

49. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction Correlation between pixel contents rev 544 121 ks

50. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction Correlation between pixel contents rev 544 121 ks rev 522 90 ks rev 523 76 ks rev 525 82 ks rev 526 93 ks rev 527 100 ks rev 528 82 ks

51. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction Correlation between pixel contents rev 544 121 ks rev 522 90 ks rev 523 76 ks rev 525 82 ks rev 526 93 ks rev 527 100 ks rev 528 82 ks

52. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction Correlation between pixel contents rev 544 121 ks rev 522 90 ks rev 523 76 ks rev 525 82 ks rev 526 93 ks rev 527 100 ks rev 528 82 ks

53. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction Correlation between pixel contents rev 544 121 ks rev 522 90 ks rev 523 76 ks rev 525 82 ks rev 526 93 ks rev 527 100 ks rev 528 82 ks

54. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction Correlation between pixel contents rev 544 121 ks rev 522 90 ks rev 523 76 ks rev 525 82 ks rev 526 93 ks rev 527 100 ks rev 528 82 ks

55. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction Correlation between pixel contents rev 544 121 ks rev 522 90 ks rev 523 76 ks rev 525 82 ks rev 526 93 ks rev 527 100 ks rev 528 82 ks

56. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction Values for energy correction

57. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction Values for energy correction

58. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction Values for energy correction

59. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction Values for energy correction

60. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction Values for energy correction add: if:Q 0Q 1Q 2Q 3 - 2 adu-0.09 -0.07-0.12 –0.04-0.50 –0.19-0.12 –0.17 - 1 adu-0.07 –0.02-0.04 –0.01-0.19 –0.07-0.17 –0.06 + 1 adu0.05 - 0.210.03 – 0.130.11 – 0.490.12 – 0.46 + 2 adu0.21 - 0.610.13 – 0.360.49 – 1.340.46 – 1.24 + 3 adu0.61 – 1.240.36 – 0.681.34 – 2.651.24 – 2.30 + 4 adu1.24 – 2.270.68 – 1.382.65 – 4.002.30 – 2.46 + 5 adu2.27 – 4.00

61. EPIC Calibration Meeting, K. Dennerl Saclay/France, 2003 Sept 24-25 offset map correction Recipe for energy correction If (residual) offset map is available: - take energy shifts directly from it Otherwise: - compute 20 adu image from all raw events - subtract median filtered reference map - read correction values from reference table (CCD 6 may require a special treatment) Note: subsequent cleaning for events >= 20 adu may be appropriate