Post on 21-Dec-2015
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Detector noise & Vela observations
application to Vela observations
EPIC pn detector noise suppressionand
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
adu
Quadrant 0
50.7 ks closed FF (rev 059)
EPIC-pn detector noise
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
EPIC-pn detector noise (FF)
PHA < 50 adu (~250 eV)
PHA > 50 adu (~250 eV)
0 80 0 4
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Detector noise in FF and eFF mode
closed eFF exposure, rev 537, 16.3 ks, 20-30 adu
original image .. after spatial offset correction
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Detector noise in FF and eFF mode
closed FF exposure, rev 532, 21.0 ks, 20-30 adu
original image .. after spatial offset correction
scaled to eFF exp [ks]
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Detector noise in FF and eFF mode
closed FF exposure, rev 532, 21.0 ks, 20-30 adu
original image .. after spatial offset correction
scaled to eFF exp [ks]
scaled to eFF frame
number
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Detector noise in FF and eFF mode
closed eFF exposure, rev 537, 16.3 ks, 20-30 adu
original image .. after spatial offset correction
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
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
[adu]
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
EPIC-pn detector noise properties (FF)
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
raw_y
20-65 adu
nois
e
EPIC-pn detector noise properties (FF)
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
SAS CCF:
EPIC-pn detector noise properties (FF)
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
reference image for the 20 adu intensities per pixel, normalized to 1 ks
obtained by accumulating images at 20 adu from long FF exposures with no bright X-ray source in the field, and computing the median value for each pixel
20 adu reference image for FF
SAS CCF:
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
closed FF rev 462 23.2 ks
original 20 adu image
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
patches identified in the original 20 adu image
closed FF rev 462 23.2 ks
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
closed FF rev 462 23.2 ks
original 20 adu image
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
closed FF rev 462 23.2 ks
original 20 adu image, after offset shift correction
(scale: 0 – 50)
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
closed FF rev 462 23.2 ks
original 20 adu image, after offset shift correction and noise suppression
(scale: 0 – 3)
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
closed FF revs 129 - 532
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
closed FF rev 129 7.6 ks
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
closed FF rev 266 28.1 ks
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
closed FF rev 339 6.5 ks
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
closed FF rev 351 6.8 ks
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
closed FF rev 363 6.1 ks
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
closed FF rev 393 19.9 ks
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
closed FF rev 409 19.9 ks
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
closed FF rev 454 5.3 ks
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
closed FF rev 462 23.2 ks
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
closed FF rev 532 21.0 ks
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Detector noise & Vela observations
application to Vela observations
EPIC pn detector noise suppressionand
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Previous Vela observations (FF)
Rev Duration
Date RA Dec PA
367 33.9 ks 10.12.2001
08:48:55.7 -45:38:07 132.7
448 58.5 ks 21.05.2002
08:48:55.7 -45:41:33 294.9
533 31.2 ks 06.11.2002
08:48:48.8 -45:38:29 101.0
534 38.8 ks 08.11.2002
08:48:49.1 -45:38:26 102.8
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 367
E = 0.25 – 1.0 keV
E > 10 keV
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 448
E = 0.25 – 1.0 keV
E > 10 keV
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 533
E = 0.25 – 1.0 keV
E > 10 keV
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 534
E = 0.25 – 1.0 keV
E > 10 keV
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 718a
E = 0.25 – 1.0 keV
E > 10 keV
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 718b
E = 0.25 – 1.0 keV
E > 10 keV
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 740
E = 0.25 – 1.0 keV
E > 10 keV
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 367
original 20 adu image
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 367
areas with negative offset shifts applied
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 367
original 20 adu image
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 367
areas with positive offset shifts applied
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 367
original 20 adu image
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 367
original 20 adu image, after offset shift correction
(scale: 0 – 50)
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 367
default epreject
parameters
original 20 adu image, after offset shift correction and noise suppression
(scale: 0 – 5)
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 367
epreject noise
parameters adjusted
original 20 adu image, after offset shift correction and noise suppression
(scale: 0 – 5)
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 367 33.9 ks
20 adu images after eprejectdefault noiseparameters
adjusted
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 534 38.8 ks
20 adu images after eprejectdefault noiseparameters
adjusted
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 718a 40.7 ks
20 adu images after eprejectdefault noiseparameters
adjusted
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 718b 36.7 ks
20 adu images after eprejectdefault noiseparameters
adjusted
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 740a 18.3 ks
20 adu images after eprejectdefault noiseparameters
adjusted
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 740b 29.4 ks
20 adu images after eprejectdefault noiseparameters
adjusted
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 367 120-200 eV
PHA > 20 and 120 < PI <
200
scale: 0-40
without epreject
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
PHA > 20 and 120 < PI <
200
scale: 0-20
with epreject
Vela SNR FF rev 367 120-200 eV
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 534 38.8 ks
without epreject
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 534 38.8 ks
with epreject
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 534 38.8 ks
without/with epreject
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 534 38.8 ks
without epreject
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 534 38.8 ks
with epreject
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 534 38.8 ks
without/with epreject
with
without
withoutwith
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 367 33.9 ks
450 – 700 eV sky coordinates
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 448 58.5 ks
450 – 700 eV sky coordinates
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 533 31.2 ks
450 – 700 eV sky coordinates
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 534 38.8 ks
450 – 700 eV sky coordinates
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 718a 40.7 ks
450 – 700 eV sky coordinates
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 718b 36.7 ks
450 – 700 eV sky coordinates
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 740a (18.3 ks)
450 – 700 eV sky coordinates
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 740b (29.4 ks)
450 – 700 eV sky coordinates
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 367 (33.9 ks)
450-700 eV
detector coordinates
scale: 0 - 15
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 448 (58.5 ks)
450-700 eV
detector coordinates
scale: 0 - 15
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 533 (31.2 ks)
450-700 eV
detector coordinates
scale: 0 - 15
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 534 (38.8 ks)
450-700 eV
detector coordinates
scale: 0 - 15
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 718a (40.7 ks)
450-700 eV
detector coordinates
scale: 0 - 15
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 718b (36.7 ks)
450-700 eV
detector coordinates
scale: 0 - 15
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 740a (18.3 ks)
450-700 eV
detector coordinates
scale: 0 - 15
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF rev 740b (29.4 ks)
450-700 eV
detector coordinates
scale: 0 - 15
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF revs 367 - 740b
450-700 eV
detector coordinates
scale: 0 - 15
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF revs 367 - 740b
450-700 eV
detector coordinates
exposure map
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF revs 367 - 740b
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF revs 367 - 740b
preliminary
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF revs 367 - 740b
preliminary
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Printed circuit board
VILSPA/Spain, 2004 March 23-24Detector noise & Vela observationsEPIC Calibration Meeting, K. Dennerl
Vela SNR FF O-K revs 367-534