EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise Suppression of the low-energy noise: an improved approach

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise adu Quadrant ks closed FF (rev 059) EPIC-pn detector noise

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise Original method (“method 1”), implemented in the SAS task epreject : Use closed exposures to determine the noise properties (spatially and spectrally) and use them as input for the Monte-Carlo filtering Suppression of the EPIC-pn detector noise

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise closed FF rev ks application of the original method (implemented in the SAS task epreject)

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise Vela SNR FF rev ks without epreject

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise with epreject Vela SNR FF rev ks application of the original method (implemented in the SAS task epreject)

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise in LW mode closed, 61 ks, rev 790

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) 100% suppression 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 2050 adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) 2050 adu 99% suppression 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

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) 2050 adu 90% suppression 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

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) 2050 adu 70% suppression 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

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) 2050 adu 50% suppression 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

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise  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) 2050 adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise Vela SNR FF rev ks 20 adu images after epreject default noiseparameters adjusted

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise Long closed LW exposures revolutiondata setexposure [s]date _PNS _PNS _PNS _PNS _PNU

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise Alternative method (“method 2”): Try to determine the noise properties (from closed exposures) at higher energies and extrapolate them down to 20 adu Suppression of the EPIC-pn detector noise

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) range used for fit: adu range shown: adu x log y log rev 790 (closed), all events

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) range used for fit: adu range shown: adu x log y log rev 790 (closed), all events

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise for comparison: method 1 EPIC-pn detector noise (LW) range used for fit: adu range shown: adu x log y log rev 790 (closed), all events

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise method 2, noise properties derived from rev 790 (closed) applied to rev 790 EPIC-pn detector noise (LW)

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) method 2, noise properties derived from rev 790 (closed) applied to rev 546

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) method 2, noise properties derived from rev 790 (closed) applied to rev 553

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) method 2, noise properties derived from rev 790 (closed) applied to rev 730

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) method 2, noise properties derived from rev 790 (closed) applied to rev 974

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise  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)

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events 20 adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events 21 adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events 22 adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events 23 adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events 24 adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events 25 adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events 26 adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events 27 adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events 28 adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events 29 adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events 30 adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed after offset corrections all events adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise New approach (“method 3”): Part A: Remove noisy frames, identified by the number of low (20-30) adu events per CCD Suppression of the EPIC-pn detector noise

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise singles, 20 – 30 adu, frames with at least 3 events below 31 adu per frame and CCD singles, 20 – 30 adu, frames with 2 events below 31 adu per frame and CCD singles, 20 – 30 adu, frames with 1 event below 31 adu per frame and CCD SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise total number of frames (reconstructed) number of frames with no event below 31 adu per CCD number of frames with 2 events below 31 adu per CCD SNR 1E 0102, rev 803, LW, thick, 30 ks number of frames with more than 9 events below 31 adu per CCD number of frames with 1 event below 31 adu per CCD

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks =+ singles, 20 – 30 adu, frames with more than 2 events below 31 adu per frame and CCD singles, 20 – 30 adu, frames with 1 or 2 events below 31 adu per frame and CCD singles, 20 – 30 adu, all frames

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks =+ singles, 20 – 30 adu, all frames singles, 20 – 30 adu, frames with more than 1 event below 31 adu per frame and CCD singles, 20 – 30 adu, frames with 1 event below 31 adu per frame and CCD

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise number of frames removed original number of frames percentage of frames removed removing frames with more than 1 event below 31 adu per CCD and frame: SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise New approach (“method 3”): Part B: Remove noise by rejecting invalid patterns and selecting only singles Suppression of the EPIC-pn detector noise

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) processed data: all “entries” raw data: all events rev 790, 61 ks closed, no offset corrections, same intensity scale adu

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed no offset corrections non-singles adu processed data

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (LW) rev ks closed no offset corrections singles adu processed data

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (FF) rev ks closed no offset corrections all events adu raw data

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (FF) rev ks closed no offset corrections all “entries” adu processed data

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (FF) rev ks closed no offset corrections non-singles adu processed data

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise EPIC-pn detector noise (FF) rev ks closed no offset corrections singles adu processed data

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise New approach (“method 3”): Part C: Try to determine the noise properties from the same exposure at higher energies and extrapolate them down to 20 adu Suppression of the EPIC-pn detector noise

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise singles, keV mask for source regions to be avoided for noise determination source region mask SNR 1E 0102, rev 803, LW, thick, 30 ks In order to determine the noise properties, some areas have to be ignored:

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise final mask, excluding source regions and noisy pixelsnoisy pixel mask SNR 1E 0102, rev 803, LW, thick, 30 ks In order to determine the noise properties, some areas have to be ignored:

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise closed exposures 790 & 974, 73.6 ks Deriving the general properties of the detector noise from closed exposures

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise closed exposures 790 & 974, after removal of frames with more than 2 events/frame/ccd < 31 adu Deriving the general properties of the detector noise from closed exposures

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise common fit (for all CCDs) between 40 and 100 adu Deriving the general properties of the detector noise from closed exposures

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions included red: data set to be corrected, blue: closed exposure

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions excluded red: data set to be corrected, blue: closed exposure

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise average adu flux SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions excluded

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise extrapolated flux at 20 adu SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions excluded

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise extrapolated flux at 20 adu averaged between all CCDs SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions excluded

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise spectrum after noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions excluded

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise spectrum after noise suppression, source regions excluded SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions excluded

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise spectrum before/after noise suppression, source regions excluded SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions excluded

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise original spectrum, source regions included SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions included

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise original spectrum, source regions included, after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions included

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise original spectrum, source regions included, after noisy frame removal and (spatially homogeneous) noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions included

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise original spectrum, including source regions, before/after noisy frame removal and (spatially homogeneous) noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions included

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise unfiltered data singles, 25 adu after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise every second single in CCD4 kept singles, 25 adu every 10 th single in CCD4 kept SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks after noisy frame removal singles, 25 adu after spatially uniform noise suppression

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks after noisy frame removal singles, 25 adu after spatially variable noise suppression

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise unfiltered data singles, 20 adu after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise after spatially uniform noise suppression singles, 20 adu after spatially variable noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise unfiltered data singles, 21 adu after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise after spatially uniform noise suppression singles, 21 adu after spatially variable noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise unfiltered data singles, 22 adu after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise after spatially uniform noise suppression singles, 22 adu after spatially variable noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise unfiltered data singles, 23 adu after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise after spatially uniform noise suppression singles, 23 adu after spatially variable noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise unfiltered data singles, 24 adu after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise after spatially uniform noise suppression singles, 24 adu after spatially variable noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise unfiltered data singles, 25 adu after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise after spatially uniform noise suppression singles, 25 adu after spatially variable noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise unfiltered data singles, 26 adu after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise after spatially uniform noise suppression singles, 26 adu after spatially variable noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise unfiltered data singles, 27 adu after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise after spatially uniform noise suppression singles, 27 adu after spatially variable noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise unfiltered data singles, 28 adu after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise after spatially uniform noise suppression singles, 28 adu after spatially variable noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise unfiltered data singles, 29 adu after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise after spatially uniform noise suppression singles, 29 adu after spatially variable noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise unfiltered data singles, 30 adu after noisy frame removal SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise after spatially uniform noise suppression singles, 30 adu after spatially variable noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks singles, eV original data after noisy frame removal and spatially uniform noise suppression after noisy frame removal and spatially variable noise suppression

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks singles, eV original data after noisy frame removal and spatially uniform noise suppression after noisy frame removal and spatially variable noise suppression

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks singles, eV original data after noisy frame removal and spatially uniform noise suppression after noisy frame removal and spatially variable noise suppression

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks singles, eV original data after noisy frame removal and spatially uniform noise suppression after noisy frame removal and spatially variable noise suppression

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks singles, eV original data after noisy frame removal and spatially uniform noise suppression after noisy frame removal and spatially variable noise suppression

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise original spectrum, including source regions, after noisy frame removal and (spatially variable) noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions included

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise original spectrum, including source regions, after noisy frame removal and (below 28 adu: spatially variable) noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions included

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise original spectrum, excluding source regions, after noisy frame removal and (below 28 adu: spatially variable) noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions excluded

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise original spectrum, excluding source regions, after noisy frame removal and (spatially variable) noise suppression SNR 1E 0102, rev 803, LW, thick, 30 ks, source regions excluded

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks unfiltered dataafter noisy frame removalafter (spatially variable) noise suppression singles, eV

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise SNR 1E 0102, rev 803, LW, thick, 30 ks singles, eV unfiltered dataafter noisy frame removalafter (spatially variable) noise suppression

EPIC Calibration Meeting, Mallorca K. Dennerl, 2006 October 26 Suppression of the low-energy noise