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XMM EPIC MOS Steve Sembay ([email protected]) EPIC Calibration Meeting Tuebingen 03/02/03- OS Cooling Results and Current Respons Both MOS Cameras cooled to -120C from -100C Rev 533-534

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XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

MOS Cooling Results and Current Response

Both MOS Cameras cooled to -120C from -100C

Rev 533-534

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

Parallel CTI at Mn and Al for Central CCDs, MOS1 and MOS2

Plots by Bruno Altieri

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

Parallel CTI at Al, MOS1 Serial CTI at Al, MOS1

Plots by Bruno Altieri

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

Parallel CTI at Al, MOS2 Serial CTI at Al, MOS2

Plots by Bruno Altieri

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

Measured Resolution at Al, MOS1, CCD1

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

Measured Resolution at Al, MOS2, CCD1

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

Measured Resolution at Mn-Kalpha, MOS1/2, CCD1

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

Isolated Neutron Star RX J0720.4-3125 used for contamination monitoring

No evidence for contamination … similar for MOS2

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

Vela pre- and post-cooling. No evidence for contamination

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

Gain stability test on SNR 1E 0102.2-7219

Ne IX

247: 0.919 (0.002)

375: 0.921 (0.002)

552: 0.914 (0.003)

Mg XI

247: 1.345 (0.002)

375: 1.344 (0.002)

552: 1.336 (0.004)

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

Low Energy Epoch Dependent Response Variation

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

Fit to MOS1/MOS2 spectra of Mrk 421 (Rev 165), using SAS 5.3

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

Same as previous, but with data and model extrapolated down to 100 eV

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

Fit to MOS1/MOS2 spectra of PKS2155-304 (Rev 450) using SAS 5.3

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

Same as previous, but with data and model extrapolated down to 100 eV

Low energy excess indicating response change ?

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

Contribution to flux at 150 eV versus incident energy for each spectrum

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

Significant change in spectrum between Rev 78 and 533/534

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

Significant change in spectrum between Rev 78 and 533/534

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

Comparison of Current Response fitted to Rev 78 data and Test Response

Fitted to Rev 533 and Rev 534

NH = 1.39(0.5)E20 cm-2

BB = 82.4(1.5) eV

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

Current and Test Redistribution at incident E = 250, 300, 350 and 400 eV

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

Comparison of spectra extracted from Radii, 0-45, 5-45 and 10-45 arcsec

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

How does Test Response work with other sources ? Not very well !

Two observations from Rev 450 and 552

Power-Law fit with

NH = 1.36E20 cm-2

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

Comparison with Current Response

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

Quality of fit across

main edges from 1 to 3 keV

5-10% Residual at 2.5 keV

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

N132D … Evidence for flux/response change below 500 eV

Plot by Marcus Kirsch

XMMEPICMOS

Steve Sembay ([email protected])EPIC Calibration MeetingTuebingen 03/02/03-06/02/03

Epoch/Flux dependency exhibited by 3C 273