1. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise Suppression of the low-energy noise: an improved approach

2. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise adu Quadrant 0 50.7 ks closed FF (rev 059) EPIC-pn detector noise

3. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise Original method (“method 1”), implemented in the SAS task epreject : Use closed exposures to determine the noise properties (spatially and spectrally) and use them as input for the Monte-Carlo filtering Suppression of the EPIC-pn detector noise

4. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise closed FF rev 462 23.2 ks 0500 3 application of the original method (implemented in the SAS task epreject)

5. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise Vela SNR FF rev 534 38.8 ks without epreject

6. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise with epreject Vela SNR FF rev 534 38.8 ks application of the original method (implemented in the SAS task epreject)

7. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise in LW mode closed, 61 ks, rev 790

8. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) 100% suppression Original method (“method 1”): Suppression of events below 50 adu according to a reference noise distribution deduced from long calclosed exposures Shown in blue is the result of this method applied to a (long) calclosed exposure, to illustrate the effect on a very faint X-ray source 2050 adu

9. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) 2050 adu 99% suppression Original method (“method 1”): Suppression of events below 50 adu according to a reference noise distribution deduced from long calclosed exposures Shown in blue is the result of this method applied to a (long) calclosed exposure, to illustrate the effect on a very faint X-ray source

10. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) 2050 adu 90% suppression Original method (“method 1”): Suppression of events below 50 adu according to a reference noise distribution deduced from long calclosed exposures Shown in blue is the result of this method applied to a (long) calclosed exposure, to illustrate the effect on a very faint X-ray source

11. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) 2050 adu 70% suppression Original method (“method 1”): Suppression of events below 50 adu according to a reference noise distribution deduced from long calclosed exposures Shown in blue is the result of this method applied to a (long) calclosed exposure, to illustrate the effect on a very faint X-ray source

12. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) 2050 adu 50% suppression Original method (“method 1”): Suppression of events below 50 adu according to a reference noise distribution deduced from long calclosed exposures Shown in blue is the result of this method applied to a (long) calclosed exposure, to illustrate the effect on a very faint X-ray source

13. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise  This method works well for bright sources, but may cause an apparent deficit of photons between ~150 and 250 eV for faint sources  Other problem: inhomogeneous residual noise at ~20 adu EPIC-pn detector noise (LW) 2050 adu

14. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise Vela SNR FF rev 740 29.4 ks 20 adu images after epreject default noiseparameters adjusted

15. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise Long closed LW exposures revolutiondata setexposure [s]date 05460134522001_PNS00518 7602002-12-03 05530125320901_PNS01012 2672002-12-17 07300154150601_PNS00212 1982003-12-05 07900134720801_PNS00561 0962004-04-01 09740305920301_PNU02712 5342005-04-04 116 855

16. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise Alternative method (“method 2”): Try to determine the noise properties (from closed exposures) at higher energies and extrapolate them down to 20 adu Suppression of the EPIC-pn detector noise

17. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) range used for fit: 40-100 adu range shown: 20-400 adu x log y log rev 790 (closed), all events

18. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) range used for fit: 40-100 adu range shown: 20-400 adu x log y log rev 790 (closed), all events

19. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise for comparison: method 1 EPIC-pn detector noise (LW) range used for fit: 40-100 adu range shown: 20-400 adu x log y log rev 790 (closed), all events

20. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise method 2, noise properties derived from rev 790 (closed) applied to rev 790 EPIC-pn detector noise (LW)

21. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) method 2, noise properties derived from rev 790 (closed) applied to rev 546

22. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) method 2, noise properties derived from rev 790 (closed) applied to rev 553

23. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) method 2, noise properties derived from rev 790 (closed) applied to rev 730

24. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) method 2, noise properties derived from rev 790 (closed) applied to rev 974

25. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise  Method 2 would work well if there were no temporal changes of the low-energy noise Whenever the noise properties of the sample and template are (slightly) different, the subtraction leads to residuals in the spectra and the images Other problem: assumption of constant noise properties along CCD rows (required in order to get enough statistics) not valid for raw events: EPIC-pn detector noise (LW)

26. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 20 adu

27. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 21 adu

28. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 22 adu

29. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 23 adu

30. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 24 adu

31. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 25 adu

32. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 26 adu

33. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 27 adu

34. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 28 adu

35. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 29 adu

36. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 30 adu

37. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 31-35 adu

38. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 36-40 adu

39. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 41-45 adu

40. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 46-50 adu

41. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 51-55 adu

42. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 56-60 adu

43. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 61-70 adu

44. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 71-80 adu

45. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 81-90 adu

46. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 91-100 adu

47. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 101-120 adu

48. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 121-140 adu

49. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 141-180 adu

50. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed after offset corrections all events 181-250 adu

51. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise New approach (“method 3”): Part A: Remove noisy frames, identified by the number of low (20-30) adu events per CCD Suppression of the EPIC-pn detector noise

52. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise singles, 20 – 30 adu, frames with at least 3 events below 31 adu per frame and CCD singles, 20 – 30 adu, frames with 2 events below 31 adu per frame and CCD singles, 20 – 30 adu, frames with 1 event below 31 adu per frame and CCD SNR 1E 0102, rev 803, LW, thick, 30 ks

53. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise total number of frames (reconstructed) number of frames with no event below 31 adu per CCD number of frames with 2 events below 31 adu per CCD SNR 1E 0102, rev 803, LW, thick, 30 ks number of frames with more than 9 events below 31 adu per CCD number of frames with 1 event below 31 adu per CCD

54. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks =+ singles, 20 – 30 adu, frames with more than 2 events below 31 adu per frame and CCD singles, 20 – 30 adu, frames with 1 or 2 events below 31 adu per frame and CCD singles, 20 – 30 adu, all frames

55. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks =+ singles, 20 – 30 adu, all frames singles, 20 – 30 adu, frames with more than 1 event below 31 adu per frame and CCD singles, 20 – 30 adu, frames with 1 event below 31 adu per frame and CCD

56. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise number of frames removed original number of frames percentage of frames removed removing frames with more than 1 event below 31 adu per CCD and frame: SNR 1E 0102, rev 803, LW, thick, 30 ks

57. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise New approach (“method 3”): Part B: Remove noise by rejecting invalid patterns and selecting only singles Suppression of the EPIC-pn detector noise

58. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) processed data: all “entries” raw data: all events rev 790, 61 ks closed, no offset corrections, same intensity scale 30-50 adu

59. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed no offset corrections non-singles 30-50 adu processed data

60. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev 790 61 ks closed no offset corrections singles 30-50 adu processed data

61. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (FF) rev 462 23 ks closed no offset corrections all events 30-50 adu raw data

62. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (FF) rev 462 23 ks closed no offset corrections all “entries” 30-50 adu processed data

63. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (FF) rev 462 23 ks closed no offset corrections non-singles 30-50 adu processed data

64. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (FF) rev 462 23 ks closed no offset corrections singles 30-50 adu processed data

65. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise New approach (“method 3”): Part C: Try to determine the noise properties from the same exposure at higher energies and extrapolate them down to 20 adu Suppression of the EPIC-pn detector noise

66. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise singles, 0.3-3.0 keV mask for source regions to be avoided for noise determination source region mask SNR 1E 0102, rev 803, LW, thick, 30 ks In order to determine the noise properties, some areas have to be ignored:

67. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise final mask, excluding source regions and noisy pixelsnoisy pixel mask SNR 1E 0102, rev 803, LW, thick, 30 ks In order to determine the noise properties, some areas have to be ignored:

68. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise closed exposures 790 & 974, 73.6 ks Deriving the general properties of the detector noise from closed exposures

69. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise closed exposures 790 & 974, after removal of frames with more than 2 events/frame/ccd < 31 adu Deriving the general properties of the detector noise from closed exposures

70. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise common fit (for all CCDs) between 40 and 100 adu Deriving the general properties of the detector noise from closed exposures

71. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions included red: data set to be corrected, blue: closed exposure

72. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions excluded red: data set to be corrected, blue: closed exposure

73. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise average 45-55 adu flux SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions excluded

74. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise extrapolated flux at 20 adu SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions excluded

75. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise extrapolated flux at 20 adu averaged between all CCDs SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions excluded

76. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise spectrum after noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions excluded

77. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise spectrum after noise suppression, source regions excluded SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions excluded

78. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise spectrum before/after noise suppression, source regions excluded SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions excluded

79. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise original spectrum, source regions included SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions included

80. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise original spectrum, source regions included, after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions included

81. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise original spectrum, source regions included, after noisy frame removal and (spatially homogeneous) noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions included

82. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise original spectrum, including source regions, before/after noisy frame removal and (spatially homogeneous) noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions included

83. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise unfiltered data singles, 25 adu after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks

84. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise every second single in CCD4 kept singles, 25 adu every 10 th single in CCD4 kept SNR 1E 0102, rev 803, LW, thick, 30 ks

85. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks after noisy frame removal singles, 25 adu after spatially uniform noise suppression

86. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks after noisy frame removal singles, 25 adu after spatially variable noise suppression

87. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise unfiltered data singles, 20 adu after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks

88. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise after spatially uniform noise suppression singles, 20 adu after spatially variable noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks

89. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise unfiltered data singles, 21 adu after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks

90. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise after spatially uniform noise suppression singles, 21 adu after spatially variable noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks

91. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise unfiltered data singles, 22 adu after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks

92. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise after spatially uniform noise suppression singles, 22 adu after spatially variable noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks

93. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise unfiltered data singles, 23 adu after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks

94. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise after spatially uniform noise suppression singles, 23 adu after spatially variable noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks

95. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise unfiltered data singles, 24 adu after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks

96. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise after spatially uniform noise suppression singles, 24 adu after spatially variable noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks

97. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise unfiltered data singles, 25 adu after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks

98. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise after spatially uniform noise suppression singles, 25 adu after spatially variable noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks

99. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise unfiltered data singles, 26 adu after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks

100. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise after spatially uniform noise suppression singles, 26 adu after spatially variable noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks

101. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise unfiltered data singles, 27 adu after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks

102. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise after spatially uniform noise suppression singles, 27 adu after spatially variable noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks

103. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise unfiltered data singles, 28 adu after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks

104. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise after spatially uniform noise suppression singles, 28 adu after spatially variable noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks

105. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise unfiltered data singles, 29 adu after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks

106. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise after spatially uniform noise suppression singles, 29 adu after spatially variable noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks

107. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise unfiltered data singles, 30 adu after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks

108. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise after spatially uniform noise suppression singles, 30 adu after spatially variable noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks

109. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks singles, 100-130 eV original data after noisy frame removal and spatially uniform noise suppression after noisy frame removal and spatially variable noise suppression

110. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks singles, 130-140 eV original data after noisy frame removal and spatially uniform noise suppression after noisy frame removal and spatially variable noise suppression

111. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks singles, 140-150 eV original data after noisy frame removal and spatially uniform noise suppression after noisy frame removal and spatially variable noise suppression

112. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks singles, 150-200 eV original data after noisy frame removal and spatially uniform noise suppression after noisy frame removal and spatially variable noise suppression

113. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks singles, 200-300 eV original data after noisy frame removal and spatially uniform noise suppression after noisy frame removal and spatially variable noise suppression

114. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise original spectrum, including source regions, after noisy frame removal and (spatially variable) noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions included

115. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise original spectrum, including source regions, after noisy frame removal and (below 28 adu: spatially variable) noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions included

116. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise original spectrum, excluding source regions, after noisy frame removal and (below 28 adu: spatially variable) noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions excluded

117. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise original spectrum, excluding source regions, after noisy frame removal and (spatially variable) noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions excluded

118. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks unfiltered dataafter noisy frame removalafter (spatially variable) noise suppression singles, 120-130 eV

119. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks singles, 120-140 eV unfiltered dataafter noisy frame removalafter (spatially variable) noise suppression

120. EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise