ASTROSAT CZTI

Data Quality Report

Orbit 05625

Creation date: 2024-06-27T14:57:18.251727
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_05625cztM0_level2.evt modeM0/AS1G06_032T02_9000000730_05625cztM0_level2_quad_clean.evt
Size (bytes)469,016,64072,008,640
Size447.3 MB 68.7 MB
Events in quadrant A3,298,301427,116
Events in quadrant B4,000,560418,901
Events in quadrant C3,218,378431,258
Events in quadrant D3,209,102413,958

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01524
B01526
C01526
D015210

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A015307845
B0174491138
C015261889
D015451930

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0180
B0182
C0180
D0180

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A7032891.265643%
B69891201.716984%
C7007741.056087%
D7017640.912071%

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 9205 7406 0 0 0.00% 0.00%
B 9205 7398 6 6 0.07% 0.08%
C 9205 7411 1 1 0.01% 0.01%
D 9205 7413 7 7 0.08% 0.09%

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 7 16 20213 112.23 842 823 172.8
A 0 50 14668 80.13 842 823 172.8
A 13 6 10023 53.25 842 823 172.8
B 15 204 602466 3682.72 845 825 163.4
B 0 214 70350 425.57 845 825 163.4
B 11 51 37389 223.81 845 825 163.4
C 1 16 10009 47.69 819 824 192.6
C 12 4 6732 30.68 819 824 192.6
C 13 61 6664 30.33 819 824 192.6
D 2 152 30240 147.4 814 788 199.8
D 12 233 26438 128.37 814 788 199.8
D 10 15 22904 110.68 814 788 199.8

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