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Дата изменения: Wed May 14 13:12:03 2014
Дата индексирования: Wed Apr 13 13:16:08 2016
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The Effective Area of EPIC A comparison of MOS1, MOS2 and PN derived fluxes of 17 onaxis AGN observed between Revolutions 63 and 683

XMM EPIC MOS

Steve Sembay (sfs5@star.le.ac.uk) MPE 04/05/06

The sample: Mixture of BL Lacs and "Soft Excess" AGN
Orbit 63 75 82 94 95 95 96 107 161 192 277 301 451 621 655 679 683 Source MS0737.9+7441 Mkn 205 MS1229.2+6430 3C 273 3C 273 3C 273 3C 273 Mkn 359 Mkn 509 Mkn 335 3C 273 MCG63015 H1419+480 MS1229.2+6430 3C 273 Ark 120 H0414+009 MOS Filter Thin Medium Thin Medium dium Medium Medium Medium Thin Medium Medium Medium Thin Thin Thin Thin Thin Me PN Filter Thin Medium Thin Medium Medium Medium Medium Medium Thin Medium Medium Medium Thin Thin Thin Thin Thin 0 0 150 150 150 150 0 0 200 150 0 0 0 150 150 0 Inner 0 Mos Outer 800 800 800 00 00 00 00 800 800 800 800 800 800 800 800 700 800 8 PN Outer 550 800 800 800 800 00 800 800 800 800 800 800 800 800 800 700 800

XMM EPIC MOS

Steve Sembay (sfs5@star.le.ac.uk) MPE 04/05/06

The Effective Area of EPIC Fluxes are derived in 4 energy bands 0.540.85 keV, 0.851.5 keV, 1.54.0 keV, 4.010 keV Methodology: Fit tbabs*po model (nH fixed at global value) in each band to each camera separately and derive absorbed flux. Pattern 012 (MOS) and Pattern 04 (PN) SAS 6.5.0 with current public CCFs

XMM EPIC MOS

Steve Sembay (sfs5@star.le.ac.uk) MPE 04/05/06

Example (3C 273) fits to PN, Model folded though MOS

XMM EPIC MOS

Steve Sembay (sfs5@star.le.ac.uk) MPE 04/05/06

Checking for pileup in 3C 273

040

540

XMM EPIC MOS

Steve Sembay (sfs5@star.le.ac.uk) MPE 04/05/06

Checking for pileup in 3C 273

7.540

1040

XMM EPIC MOS

Steve Sembay (sfs5@star.le.ac.uk) MPE 04/05/06

100*(MOS1PN)/PN

XMM EPIC MOS

Steve Sembay (sfs5@star.le.ac.uk) MPE 04/05/06

100*(MOS2PN)/PN

XMM EPIC MOS

Steve Sembay (sfs5@star.le.ac.uk) MPE 04/05/06

Band (keV) 0.540.85 0.851.50 1.504.0 4.010.0

(MOS1PN)/PN

(MOS2PN)/PN

5.4% +2.4% +6.8% +11.4%
Steve Sembay (sfs5@star.le.ac.uk) MPE 04/05/06

1.6% +4.1% +7.3% +7.4%

XMM EPIC MOS

(MOS1PN)/PN

Thin Medium

(MOS2PN)/PN

XMM EPIC MOS

Steve Sembay (sfs5@star.le.ac.uk) MPE 04/05/06

Problem with the psf? See talk by Andy later 3c 273: Flux Comparison, 7.5"40" v 15"40" extraction radii

pn MOS1 MOS2

XMM EPIC MOS

Steve Sembay (sfs5@star.le.ac.uk) MPE 04/05/06

Problem with the psf? See talk by Andy later MCG63015: 0", 7.5", 11.25", 15" inner extraction radii, 40" outer

pn MOS1 MOS2

XMM EPIC MOS

Steve Sembay (sfs5@star.le.ac.uk) MPE 04/05/06

Band (keV) 0.540.85 0.851.50 1.504.0 4.010.0
XMM EPIC MOS

(MOS1PN)/PN

(MOS2PN)/PN

5.4% +2.4% +6.8% +11.4%

1.6% +4.1% +7.3% +7.4%

Steve Sembay (sfs5@star.le.ac.uk) MPE 04/05/06

Quantum Efficiency measurements from Orsay MOS1 Central CCD

XMM EPIC MOS

Steve Sembay (sfs5@star.le.ac.uk) MPE 04/05/06

Quantum Efficiency measurements from Orsay MOS2 Central CCD

XMM EPIC MOS

Steve Sembay (sfs5@star.le.ac.uk) MPE 04/05/06

Surface Pixel Geometry in Monte Carlo model

XMM EPIC MOS

Steve Sembay (sfs5@star.le.ac.uk) MPE 04/05/06

SEM Pictures

Side View

Top View

XMM EPIC MOS

Steve Sembay (sfs5@star.le.ac.uk) MPE 04/05/06

(MOS1PN)/PN
+12% +2%

XMM EPIC MOS

Steve Sembay (sfs5@star.le.ac.uk) MPE 04/05/06

(MOS2PN)/PN
+12 % +2%

XMM EPIC MOS

Steve Sembay (sfs5@star.le.ac.uk) MPE 04/05/06

H2O = 0.08

m

XMM EPIC MOS

Steve Sembay (sfs5@star.le.ac.uk) MPE 04/05/06

H2O = 0.08 SiO2 = 0.05

m m

XMM EPIC MOS

Steve Sembay (sfs5@star.le.ac.uk) MPE 04/05/06

XMM EPIC MOS

Steve Sembay (sfs5@star.le.ac.uk) MPE 04/05/06

Summary: Shape of the MOS/PN discrepancy suggests problem lies with the quantum efficiency Adjustment of the MOS QE would be consistent with Orsay measurements and probable uncertainties in model Adjusting the QE would leave a residual normalisation offset of about 57% between MOS and PN Would need to increase MOS global effective area or decrease PN global effective area to achieve absolute consistency MOS low energy rmf would need recalibration for consistency with any change in the QE
XMM EPIC MOS

Steve Sembay (sfs5@star.le.ac.uk) MPE 04/05/06

Compaoiunt Rate/EhfectergyArort inorofatlhsesptectra fr156 79at umd 903 C r son of hig f n ive p ea on m i e d o Rev om D 5 an Rate down 8%

Eff. Area down 3%

Flux down 5%

XMM EPIC MOS

Steve Sembay (sfs5@star.le.ac.uk) MPE 04/05/06