ASTROSAT CZTI

Data Quality Report

Orbit 06160

Creation date: 2024-06-27T15:03:33.382691
Switch to: Orbit-wise | Merged OBSID-wise
web.py, SVN revision $Rev$

Source files: Data quality report (detailed, human readable) | Data quality report (concise, machine readable)

Observation information


Basic statistics of files

Param Original file Final file
FilenamemodeM0/AS1A02_199T01_9000000800_06160cztM0_level2.evt modeM0/AS1A02_199T01_9000000800_06160cztM0_level2_quad_clean.evt
Size (bytes)161,824,32041,376,960
Size154.3 MB 39.5 MB
Events in quadrant A1,130,720269,266
Events in quadrant B1,317,935271,695
Events in quadrant C1,086,111266,729
Events in quadrant D1,180,058251,971

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0584
B0584
C0588
D0584

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A05851463
B06326540
C05854434
D06082467

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A269300.000000%
B269160.222965%
C270710.036941%
D270050.185185%

Noise dominated fraction

Noise dominated data is calculated using 1-second bins in cleaned event files. If a bin has >2000 counts, and if more than 50% of those come from <1% of pixels, then it is considered to be noise-dominated and hence unusable.

Quadrant # 1 sec bins Bins with >0 counts Bins with >2000 counts High rate bins dominated by noise Noise dominated (total time) Noise dominated (detector-on time) Marked lightcurve
A 2925 2846 0 0 0.00% 0.00%
B 2924 2824 6 6 0.21% 0.21%
C 2925 2849 0 0 0.00% 0.00%
D 2925 2853 4 4 0.14% 0.14%

Top noisy pixels

Top three noisy pixels from each quadrant. If the there are fewer than three noisy pixels in the level2.evt file, extra rows are filled as -1

Pixel properties Quadrant properties
Quadrant DetID PixID Counts Sigma Mean Median Sigma
A 8 15 30094 500.11 285 279 59.6
A 12 194 2793 42.17 285 279 59.6
A 0 226 2743 41.33 285 279 59.6
B 3 64 105943 1857.54 285 279 56.9
B 0 219 69505 1216.97 285 279 56.9
B 0 214 18496 320.25 285 279 56.9
C 1 16 11169 169.94 271 272 64.1
C 8 128 6951 104.16 271 272 64.1
C 8 112 3384 48.53 271 272 64.1
D 9 35 78981 1168.23 272 263 67.4
D 5 97 27263 400.7 272 263 67.4
D 1 20 23348 342.6 272 263 67.4

Detector plane histogram (DPH)

Histogram calculated using DETX and DETY for each event in the final _common_clean file

Quadrant A Quadrant B
Quadrant D Quadrant C

Count rate plots and images

Plot type Count rate plots Images
Comparison with Poisson distribution
Blue bars denote a histogram of data divided into 1 sec bins.
Red curve is a Poisson curve with rate = median count rate of data.
Quadrant-wise count rates
Data is divided into 100 sec bins
Module-wise count rates for Quadrant A
Data is divided into 100 sec bins
Module-wise count rates for Quadrant B
Data is divided into 100 sec bins
Module-wise count rates for Quadrant C
Data is divided into 100 sec bins
Module-wise count rates for Quadrant D
Data is divided into 100 sec bins

Housekeeping plots

Parameter Plot
CZT HV Monitor
D_VDD
Temperature 1
Veto HV Monitor
Veto LLD
Alpha Counter
_CPM_Rate
CZT Counter
+2.5 Volts monitor
+5 Volts monitor
_ROLL_ROT
_Roll_DEC
_Roll_RA
Veto Counter