ASTROSAT CZTI

Data Quality Report

Orbit 06710

Creation date: 2024-06-27T15:10:59.149008
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_164T01_9000000922_06710cztM0_level2.evt modeM0/AS1G06_164T01_9000000922_06710cztM0_level2_quad_clean.evt
Size (bytes)600,382,080103,187,520
Size572.6 MB 98.4 MB
Events in quadrant A4,953,609636,049
Events in quadrant B4,016,876636,134
Events in quadrant C3,790,733630,300
Events in quadrant D4,832,330619,955

Level1 data integrity


Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0150
B0150
C0150
D0150

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01780
B01780
C01780
D01780

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0206253
B0178192
C0175912
D0207342

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A86725135.915590%
B86721411.625923%
C8672981.130074%
D86724575.269834%

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 10197 8674 161 161 1.58% 1.86%
B 10197 8674 6 6 0.06% 0.07%
C 10197 8674 0 0 0.00% 0.00%
D 10197 8674 257 257 2.52% 2.96%

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 14 111 891195 4454.87 983 959 199.8
A 4 2 254995 1271.23 983 959 199.8
A 8 15 20144 96.0 983 959 199.8
B 0 214 61493 310.3 1005 979 195.0
B 4 173 26672 131.75 1005 979 195.0
B 11 51 20124 98.17 1005 979 195.0
C 13 61 7644 29.71 969 971 224.6
C 12 4 5667 20.91 969 971 224.6
C 3 202 2381 6.28 969 971 224.6
D 2 33 840605 3631.98 952 919 231.2
D 2 63 182004 783.26 952 919 231.2
D 8 195 87011 372.38 952 919 231.2

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