ASTROSAT CZTI

Data Quality Report

Orbit 05657

Creation date: 2024-06-27T14:57:39.559841
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/AS1G06_032T02_9000000730_05657cztM0_level2.evt modeM0/AS1G06_032T02_9000000730_05657cztM0_level2_quad_clean.evt
Size (bytes)445,838,40075,965,760
Size425.2 MB 72.4 MB
Events in quadrant A3,123,013467,714
Events in quadrant B3,539,863467,721
Events in quadrant C3,187,536469,873
Events in quadrant D3,219,654451,116

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01300
B01300
C01300
D01300

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0132843
B0144382
C0135835
D0134592

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0110
B0110
C0110
D0110

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A6357811.274186%
B63571201.887683%
C6356751.179987%
D6357620.975303%

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 7507 6358 0 0 0.00% 0.00%
B 7507 6358 25 25 0.33% 0.39%
C 7507 6358 6 6 0.08% 0.09%
D 7507 6358 2 2 0.03% 0.03%

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 6 10054 56.62 805 789 163.6
A 12 194 8133 44.88 805 789 163.6
A 0 226 7883 43.35 805 789 163.6
B 10 16 162121 1042.64 805 787 154.7
B 4 81 76349 488.33 805 787 154.7
B 0 214 70329 449.42 805 787 154.7
C 1 16 156058 865.42 773 777 179.4
C 12 4 8193 41.33 773 777 179.4
C 13 61 6254 30.52 773 777 179.4
D 8 195 153017 795.34 780 755 191.4
D 2 152 59165 305.1 780 755 191.4
D 12 233 17749 88.77 780 755 191.4

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