ASTROSAT CZTI

Data Quality Report

Orbit 28089

Creation date: 2024-06-27T19:47:56.035149
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_073T04_9000004058_28089cztM0_level2.evt modeM0/AS1A10_073T04_9000004058_28089cztM0_level2_quad_clean.evt
Size (bytes)196,447,68054,789,120
Size187.3 MB 52.3 MB
Events in quadrant A1,249,523368,155
Events in quadrant B1,258,259367,536
Events in quadrant C1,371,187356,694
Events in quadrant D1,862,110350,517

Level1 data integrity


Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A060680
B060640
C062080
D076610

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A302710.033036%
B302720.066072%
C302750.165180%
D3027581.916089%

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 3027 3027 0 0 0.00% 0.00%
B 3027 3027 0 0 0.00% 0.00%
C 3027 3027 0 0 0.00% 0.00%
D 3027 3027 63 63 2.08% 2.08%

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 12 96 9392 138.39 321 315 65.6
A 13 254 5205 74.55 321 315 65.6
A 3 137 3122 42.8 321 315 65.6
B 12 111 7465 114.21 320 313 62.6
B 11 111 6685 101.76 320 313 62.6
B 14 111 6221 94.35 320 313 62.6
C 3 233 123851 1685.88 307 309 73.3
C 14 238 50614 686.47 307 309 73.3
C 13 61 2138 24.96 307 309 73.3
D 8 195 363082 4893.08 304 296 74.1
D 12 1 183072 2465.19 304 296 74.1
D 1 52 79692 1070.85 304 296 74.1

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