ASTROSAT CZTI

Data Quality Report

Orbit 03200

Creation date: 2024-06-27T14:26:10.970809
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/AS1G05_233T10_9000000438_03200cztM0_level2.evt modeM0/AS1G05_233T10_9000000438_03200cztM0_level2_quad_clean.evt
Size (bytes)883,388,16060,223,680
Size842.5 MB 57.4 MB
Events in quadrant A3,089,296395,623
Events in quadrant B3,269,207403,155
Events in quadrant C16,171,802189,124
Events in quadrant D3,781,094377,771

Level1 data integrity


Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0120
B0120
C0120
D0120

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0136813
B0138262
C0523532
D0158745

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01320
B01320
C01320
D01320

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A65371762.692367%
B65371562.386416%
C6537586789.750650%
D65362954.513464%

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 7673 6537 23 23 0.30% 0.35%
B 7673 6537 1 1 0.01% 0.02%
C 7672 6536 5724 5724 74.61% 87.58%
D 7672 6536 157 157 2.05% 2.40%

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 0 118 76006 481.07 774 757 156.4
A 0 226 15133 91.9 774 757 156.4
A 13 14 8713 50.86 774 757 156.4
B 15 204 70239 465.19 792 774 149.3
B 3 0 64573 427.25 792 774 149.3
B 15 54 16896 107.96 792 774 149.3
C 12 206 14560333 163775.48 390 391 88.9
C 1 192 44118 491.86 390 391 88.9
C 6 80 19622 216.32 390 391 88.9
D 13 223 555417 3109.71 744 721 178.4
D 12 217 87831 488.35 744 721 178.4
D 5 233 71166 394.93 744 721 178.4

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
Veto Counter