ASTROSAT CZTI

Data Quality Report

Orbit 30362

Creation date: 2024-06-27T20:14:16.280747
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/AS1A10_053T15_9000004364_30362cztM0_level2.evt modeM0/AS1A10_053T15_9000004364_30362cztM0_level2_quad_clean.evt
Size (bytes)300,009,60038,773,440
Size286.1 MB 37.0 MB
Events in quadrant A1,175,155255,709
Events in quadrant B1,926,735256,892
Events in quadrant C4,559,115215,616
Events in quadrant D1,239,114251,294

Level1 data integrity


Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A054260
B080600
C0154260
D055240

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0540
B0540
C0540
D0540

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A271020.073801%
B271020.073801%
C2710129147.638376%
D271000.000000%

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 2710 2710 0 0 0.00% 0.00%
B 2710 2710 0 0 0.00% 0.00%
C 2709 2709 1179 1179 43.52% 43.52%
D 2710 2710 1 1 0.04% 0.04%

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 13 254 5187 77.86 304 297 62.8
A 3 137 3105 44.71 304 297 62.8
A 0 226 2529 35.54 304 297 62.8
B 6 159 735237 12511.41 297 290 58.7
B 0 190 14957 249.68 297 290 58.7
B 12 111 7069 115.4 297 290 58.7
C 3 233 3578494 62515.26 239 240 57.2
C 14 238 37386 648.97 239 240 57.2
C 2 114 4952 82.32 239 240 57.2
D 8 195 62996 868.39 298 291 72.2
D 2 250 29318 401.99 298 291 72.2
D 2 234 12151 164.25 298 291 72.2

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