![Page 1: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/1.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
Properties of EPIC pn Properties of EPIC pn
at low energies: LW at low energies: LW
modemode
![Page 2: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/2.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
Long closed LW exposures
revolution data setexposure
[s]date
0546 0134522001_PNS005 18 760 2002-12-03
0553 0125320901_PNS010 12 267 2002-12-17
0730 0154150601_PNS002 12 198 2003-12-05
0790 0134720801_PNS005 61 096 2004-04-01
09740305920301_PNU02
712 534 2005-04-04
116 855
![Page 3: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/3.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn at low energies (LW)
Correction of offset shifts
![Page 4: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/4.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
rev 546 rev 553
offset correction: before
![Page 5: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/5.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
rev 546 rev 553
offset correction: after
![Page 6: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/6.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
rev 546
EPIC-pn detector noise (LW)
residual offset map
![Page 7: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/7.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 553
residual offset map
![Page 8: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/8.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 730
residual offset map
![Page 9: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/9.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
residual offset map
![Page 10: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/10.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 974
residual offset map
![Page 11: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/11.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
individual offset maps median of offset maps
![Page 12: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/12.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
residual offset mapsrev 546 rev 790
![Page 13: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/13.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
rev 546 rev 790cleaned residual offset maps
![Page 14: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/14.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
rev 546 cleaned residual offset map residual offset map
![Page 15: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/15.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
20 adu image, rev 546
![Page 16: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/16.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
20 adu image, rev 546
before the correction of offset shifts
![Page 17: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/17.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
20 adu image, rev 546
after the correction of offset shifts
![Page 18: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/18.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
rev 546 rev 553
offset correction: before
![Page 19: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/19.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
rev 546 rev 553
offset correction: after
![Page 20: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/20.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
rev 730 rev 974
offset correction: before
![Page 21: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/21.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
rev 730 rev 974
offset correction: after
![Page 22: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/22.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
Low energy noise
EPIC-pn at low energies (LW)
![Page 23: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/23.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
adu
Quadrant 0
50.7 ks closed FF (rev 059)
EPIC-pn detector noise
![Page 24: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/24.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
2.16 : 12.16 : 1
Detector noise in FF and eFF mode
FF
eFF
detector noise per per secsec is ~2.16 times
higher in FF than in eFF
![Page 25: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/25.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
2.16 : 12.16 : 1
Detector noise in FF and eFF mode
FF
eFF
detector noise per per secsec is ~2.16 times
higher in FF than in eFF
LW
![Page 26: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/26.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
Detector noise in LW and FF mode
1.71 : 11.71 : 1
LW
FF
detector noise per per secsec is ~1.7 times higher in LW than
in FF**in the LW area
![Page 27: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/27.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
![Page 28: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/28.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
closed FF rev 462 23.2 ks
0 50 0 3
![Page 29: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/29.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
Vela SNR FF rev 534 38.8 ks
without epreject
![Page 30: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/30.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
with epreject
Vela SNR FF rev 534 38.8 ks
![Page 31: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/31.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise in LW mode
![Page 32: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/32.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
100% suppressio
n
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
20 50 adu
![Page 33: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/33.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
20 50 adu
99% suppressio
n
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
![Page 34: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/34.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
20 50 adu
90% suppressio
n
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
![Page 35: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/35.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
20 50 adu
70% suppressio
n
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
![Page 36: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/36.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
20 50 adu
50% suppressio
n
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
![Page 37: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/37.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
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)
20 50 adu
![Page 38: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/38.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
Alternative method (“method 2”):
Try to determine the noise properties at higher
energies and extrapolate them down to 20 adu
EPIC-pn detector noise (LW)
![Page 39: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/39.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
range used for fit: 40-100 adu
range shown: 20-400 adu
log-log
EPIC-pn detector noise (LW)
rev 790, all events
![Page 40: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/40.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
range used for fit: 40-100 adu
range shown: 20-400 adu
x lin y log
rev 790, all events
![Page 41: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/41.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
range used for fit: 40-100 adu
range shown: 20-100 adu
x lin y log
rev 790, all events
![Page 42: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/42.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
range used for fit: 40-100 adu
range shown: 20-400 adu
x lin y log
rev 790, all events
![Page 43: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/43.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
range used for fit: 40-100 adu
range shown: 20-400 adu
x log y log
rev 790, all events
![Page 44: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/44.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
range used for fit: 40-100 adu
range shown: 20-400 adu
x log y log
rev 790, all events
![Page 45: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/45.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
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, all events
![Page 46: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/46.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
method 2, rev 790
EPIC-pn detector noise (LW)
![Page 47: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/47.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
method 2, rev 546
![Page 48: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/48.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
method 2, rev 553
![Page 49: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/49.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
method 2, rev 730
![Page 50: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/50.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
method 2, rev 974
![Page 51: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/51.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
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)
![Page 52: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/52.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
20 adu
![Page 53: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/53.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
21 adu
![Page 54: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/54.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
22 adu
![Page 55: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/55.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
23 adu
![Page 56: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/56.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
24 adu
![Page 57: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/57.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
25 adu
![Page 58: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/58.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
26 adu
![Page 59: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/59.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
27 adu
![Page 60: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/60.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
28 adu
![Page 61: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/61.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
29 adu
![Page 62: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/62.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
30 adu
![Page 63: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/63.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
31-35 adu
![Page 64: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/64.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
36-40 adu
![Page 65: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/65.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
41-45 adu
![Page 66: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/66.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
46-50 adu
![Page 67: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/67.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
51-55 adu
![Page 68: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/68.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
56-60 adu
![Page 69: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/69.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
61-70 adu
![Page 70: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/70.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
71-80 adu
![Page 71: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/71.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
81-90 adu
![Page 72: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/72.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
91-100 adu
![Page 73: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/73.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
101-120 adu
![Page 74: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/74.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
121-140 adu
![Page 75: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/75.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
141-180 adu
![Page 76: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/76.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
181-250 adu
![Page 77: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/77.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
after offset corrections
all events
251-400 adu
![Page 78: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/78.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
At which stage of the processing should the noise be suppressed ?
Comparison of raw data with processed data (after pattern
recognition and recombination):
![Page 79: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/79.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
no offset corrections
all events
20 adu
raw dataraw data
![Page 80: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/80.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
no offset corrections
singles
20 adu
processed dataprocessed data
![Page 81: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/81.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
no offset corrections
all events
30-50 adu
raw dataraw data
![Page 82: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/82.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
no offset corrections
all “entries”
30-50 adu
processed dataprocessed data
![Page 83: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/83.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
no offset corrections
non-singles
30-50 adu
processed dataprocessed data
![Page 84: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/84.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (LW)
rev 790
61 ks closed
no offset corrections
singles
30-50 adu
processed dataprocessed data
![Page 85: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/85.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
Comparison with FF:
EPIC-pn detector noise
![Page 86: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/86.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (FF)
20 adu
raw dataraw data
rev 462
23 ks closed
no offset corrections
all events
![Page 87: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/87.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (FF)
rev 462
23 ks closed
no offset corrections
singles
20 adu
processed dataprocessed data
![Page 88: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/88.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (FF)
rev 462
23 ks closed
no offset corrections
all events
30-50 adu
raw dataraw data
![Page 89: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/89.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (FF)
rev 462
23 ks closed
no offset corrections
all “entries”
30-50 adu
processed dataprocessed data
![Page 90: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/90.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (FF)
rev 462
23 ks closed
no offset corrections
non-singles
30-50 adu
processed dataprocessed data
![Page 91: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/91.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise (FF)
rev 462
23 ks closed
no offset corrections
singles
30-50 adu
processed dataprocessed data
![Page 92: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/92.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
EPIC-pn detector noise
At which stage of the processing should the noise be suppressed ?
Noise near the CCD edges can be most efficiently suppressed by
rejecting invalid patterns
Noise suppression should be done after the pattern
recognition
![Page 93: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/93.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE
raw_y
20-65 adu
nois
e
EPIC-pn detector noise properties (FF)
SAS CCF:
Also for FF, epreject may need some refinement..
![Page 94: EPIC Calibration Meeting, MPE K. Dennerl, 2006 May 04 EPIC pn at low energies: LW mode Properties of EPIC pn at low energies: LW mode](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d3f5503460f94a18a5f/html5/thumbnails/94.jpg)
K. Dennerl, 2006 May 04EPIC pn at low energies: LW modeEPIC Calibration Meeting, MPE