1. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 Correcting spatial inhomogeneities of the absolute energy scale Madrid, 2010 March 23-24 EPIC Calibration & Operations Meeting

2. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 Correcting spatial inhomogeneities of the absolute energy scale 1.offsets in the energy scale due to errors in the offset map 2.column gain variations after launch 3.CTI changes due to residual light through the ventilation hole 20 adu image, rev 546 EPIC-Cal Meeting, MPE-Garching, Germany, 2006 May 4

3. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 EPIC-Cal Meeting, Mallorca, Spain, 2007 Nov 6-7 Correcting spatial inhomogeneities of the absolute energy scale 1.offsets in the energy scale due to errors in the offset map 2.column gain variations after launch 3.CTI changes due to residual light through the ventilation hole

4. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 EPIC-Cal Meeting, Mallorca, Spain, 2007 Nov 6-7 Correcting spatial inhomogeneities of the absolute energy scale 1.offsets in the energy scale due to errors in the offset map 2.column gain variations after launch 3.CTI changes due to residual light through the ventilation hole

5. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 EPIC-Cal Meeting, Mallorca, Spain, 2009 March 31 – April 1 Correcting spatial inhomogeneities of the absolute energy scale 1.offsets in the energy scale due to errors in the offset map 2.column gain variations after launch 3.CTI changes due to residual light through the ventilation hole

6. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 2001- 2007: 12 long FF observations, several with different pointing coordinates and roll angles  fairly homogeneous illumination of the detector Vela SNR: extended source with bright OVII emission  excellent calibration source

7. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 0.40 – 0.74 keV total exposure (after removing times of background flares): ~300 ks photon map (singles) exposure corrected map Superposition of all Vela SNR observations in FF mode exposure map maximum: 172 singles/pixel

8. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 Internal calibration source onboard XMM-Newton / EPIC-pn Al-K Mn-K inhomogeneous irradiation at Mn-K, illumination of quadrant 3 very poor

9. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 0.40 – 0.74 keV total exposure (after removing times of background flares): ~300 ks photon map (singles) exposure corrected map Superposition of all Vela SNR observations in FF mode exposure map maximum: 172 singles/pixel

10. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 0.40 – 0.74 keV photon map (singles)  adaptive binning into subareas of similar signal Spatial properties of the absolute energy scale

11. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 vertical binning according to response matrices horizontal binning adaptively, criterion: ~5000 single events within 400 – 740 eV (above background)  422 fields Spatial properties of the absolute energy scale

12. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 removal of periods of enhanced background correction for local energy shifts due to errors in the offset map (epreject) correction for energy shifts between the individual observations correction for out-of-time events Preparations for a joint fit

13. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 Spectral model used ( E = 0.43 – 0.74 keV ) all line energies and widths coupled to reference line (O VII r) relative line fluxes of O VII triplet fixed continuum approximated by powerlaw 8 fit parameters

14. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 Spectral model used ( E = 0.43 – 0.74 keV )

15. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23

16. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 result: energy scale spatially homogeneous within ±10 eV however, also evidence for systematic shifts in a ring-like pattern mean 1σ error in line energy: 1.8 eV

17. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 removal of periods of enhanced background correction for local energy shifts due to errors in the offset map (epreject) correction for energy shifts between the individual observations correction for out-of-time events Preparations for a joint fit

18. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 removal of periods of enhanced background correction for local energy shifts due to errors in the offset map (epreject) correction for energy shifts between the individual observations correction for out-of-time events Preparations for a joint fit default in SAS: PI binned with 5 eV resolution

19. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 removal of periods of enhanced background correction for local energy shifts due to errors in the offset map (epreject) correction for energy shifts between the individual observations correction for out-of-time events Preparations for a joint fit special switch in SAS: PI binned with 1 eV resolution

20. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 mean 1σ error in line energy: 1.8 eV “before”: 5 eV resolution in PI correction 54 dof 0.43 – 0.74 keV

21. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 mean 1σ error in line energy: 1.6 eV “after”: 1 eV resolution in PI correction 59 dof 0.40 – 0.74 keV

22. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 Merged Vela SNR observations (flag = 0, pattern = 0) original data

23. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 after applying the energy corrections (same binning!) Merged Vela SNR observations (flag = 0, pattern = 0)

24. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 after applying the energy corrections (different binning!) Merged Vela SNR observations (flag = 0, pattern = 0)

25. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 Applying the energy shifts derived from Vela observations to Al-K (calclosed exposure in rev 0080):

26. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 Applying the energy shifts derived from Vela observations to Al-K (calclosed exposure in rev 0080): “before”

27. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 Applying the energy shifts derived from Vela observations to Al-K (calclosed exposure in rev 0080): “after”

28. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 Applying the energy shifts derived from Vela observations to Mn-K (calclosed exposure in rev 0080):

29. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 Applying the energy shifts derived from Vela observations to Mn-K (calclosed exposure in rev 0080): “before”

30. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 Applying the energy shifts derived from Vela observations to Mn-K (calclosed exposure in rev 0080): “after”

31. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 EPIC pn: the “front side”

32. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 EPIC pn: “front side”, image flipped

33. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 EPIC pn: “front side”, image flipped and enlarged

34. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 EPIC pn: “front side”, image flipped and enlarged EPIC pn: “front side”, image flipped, enlarged and rotated

35. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 EPIC pn: “front side”, image flipped, enlarged and rotated CCD 4

36. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 EPIC pn: “front side”, image flipped, enlarged and rotated CCD 4

37. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 EPIC pn: “front side”, image flipped, enlarged and rotated CCD 4 Ge-L, CCD 4

38. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 EPIC pn: “front side”, image flipped, enlarged and rotated Ge-L, CCD 4 CCD 4

39. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 EPIC pn: “front side”, image flipped, enlarged and rotated Ge-L, CCD 4 CCD 4 Ge-L CCD 4 EPIC pn ground calibration

40. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 EPIC pn ground calibration Fe-K CCD 4

41. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 EPIC pn ground calibration Ge-K CCD 4

42. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 Deviations from spatially constant (but energy dependent) CTI per column (EPIC pn ground calibration at Orsay) ~ 1.3 % (15 eV) ~ 0.4 % (25 eV) ~ 0.35 % (35 eV) EPIC pn ground calibration: no CTI maps at all below 0.7 keV (Fe-L) no good CTI maps below 1.2 keV (Ge-L) good CTI maps at 1.2 keV (Ge-L), 6.4 keV (Fe-K), 8.0 keV (Cu-K), 9.9 keV (Ge-K)

43. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 ~ 1.8 % (10 eV) ~ 1.3 % (15 eV) ~ 0.4 % (25 eV) ~ 0.35 % (35 eV) EPIC pn ground calibration: no CTI maps at all below 0.7 keV (Fe-L) no good CTI maps below 1.2 keV (Ge-L) good CTI maps at 1.2 keV (Ge-L), 6.4 keV (Fe-K), 8.0 keV (Cu-K), 9.9 keV (Ge-K) OVII 0.57 keV Deviations from spatially constant (but energy dependent) CTI per column (EPIC pn ground calibration at Orsay)

44. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 Merging ground and in-orbit CTI determinations..

45. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 Merging ground and in-orbit CTI determinations..

46. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 Merging ground and in-orbit CTI determinations..

47. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 Merging ground and in-orbit CTI determinations..

48. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 Merging ground and in-orbit CTI determinations..

49. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 Merging ground and in-orbit CTI determinations..

50. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23.. to be continued.. Merging ground and in-orbit CTI determinations..

51. EPIC Calibration Meeting, Madrid Correcting spatial inhomogeneities of the absolute energy scale K. Dennerl, 2010 March 23 Correcting spatial inhomogeneities of the absolute energy scale Madrid, 2010 March 23-24 EPIC Calibration & Operations Meeting