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XMM EPIC MOS Steve Sembay ESAC 04/10/05 Implementation of the MOS spatial/temporal DRM: Does it work ? Zeta Puppis: Checking the line.

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Presentation on theme: "XMM EPIC MOS Steve Sembay ESAC 04/10/05 Implementation of the MOS spatial/temporal DRM: Does it work ? Zeta Puppis: Checking the line."— Presentation transcript:

1 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05 Implementation of the MOS spatial/temporal DRM: Does it work ? Zeta Puppis: Checking the line response ~450 eV 3C 273: Instrumental edges and comparison with EPIC-pn RXJ1856: The very low energy response, 100-300 eV

2 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05 Patch Wings Outside Patch Source extraction circle 3 RMF Regions As of SAS v6.5: 3 RMF regions 0”-15”, 15”-40”,>40” 2 Instruments 9 Epochs 54 parameter files 18 CCFs PSF (rmfgen default) or flat weighting to create average RMF (automatically generated in SAS) Patch Core

3 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05 LUX: Delivered (eventually) full set of parameter files to ESAC With SAS6.5.0 initially only CCFs for epochs post REV 370 were released to users. Earlier epochs were not released because there was not time to test them within the ESAC system. There was a problem with backwards compatability with SAS6.1.0 Hence, full set will be released end of October … giving opportunity to refine some of the rmf parameter values in the process.

4 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05 • 156 156542 636 903 MOS1Zeta Puppis On/Off axis…..40” Radius Regions

5 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05 ON-AXIS 542,636,795 ON-AXIS 156 OFF-AXIS 903 MOS1

6 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05 Model: RGS fluxed spectrum with “Blazar Correction” supplied by Andy P. 0.1-2 keV M1/RGS=1.077 M2/RGS=1.081

7 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05 Model: RGS fluxed spectrum with “Blazar Correction” supplied by Andy P.

8 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05 Looking at Residuals with 3C 273 18 Observations analysed: 0094 0095 x 2 0096 0277 x 2 0370 0373 0472 0554 0563 x 2 0655 0735 0835 x 3 1023 tbabs * (bb + bb + po) kT B ~100 eV and kT BB ~ 250 eV Page et al. 2004 MNRAS, 349, 57 MOS SW mode: 7.5-40” annulus RMF contribution: Patch Core ~54% Patch Wings~46% n H = 1.79x10 20 cm -2 (fixed)

9 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05 MOS2 ratio image Energy Time

10 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05 PN ratio image Energy Time

11 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05 MOS1 ratio image Energy Time TU Mode

12 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05 MOS2 ratio image Energy Time

13 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05 PN ratio image Energy Time

14 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05 MOS1 ratio image Energy Time

15 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05

16 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05

17 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05

18 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05

19 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05 pn prime RXJ 1856 MOS1 (RAWX,RAWY) emchain/xmmea_em 0878 09800968 Investigating the soft response with RXJ1856

20 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05 tbabs*bb model fit to Rev 878 folded through 878, 968 and 980 response Free Fit 0.1-1.0 keV fluxes 878: 1.12 erg cm -2 s -1 keV -1 968: 0.83 “ 980: 1.15 “ ARF problem

21 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05 pn prime RXJ 1856 MOS1 (RAWX,RAWY) emchain/xmmea_em 0878 09800968

22 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05 Free Fit 0.1-1.0 keV fluxes 878: 1.31 erg cm -2 s -1 keV -1 968: 1.41 “ 980: 1.22 “ c.f MOS1 878: 1.12 968: 0.83 980: 1.15

23 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05 MOS1 spectral fit parameters: kT versus nH 878 968 980

24 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05 MOS2 spectral fit parameters: kT versus nH 968 878 980

25 XMM EPIC MOS Steve Sembay (sfs5@star.le.ac.uk) ESAC 04/10/05 Summary: Line Response ~450 eV reasonable but unacceptable residuals around O edge Late observations show stronger residuals around Si in MOS2 Indicating energy scale problem 10% difference in returned flux between MOS1 and MOS2 at low energies Returned flux from MOS2 in agreement with pn Very low energy response differences between MOS1 and MOS2 can be Resolved if we have an “ agreed ” physical model for RXJ 1856

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