ASTROSAT CZTI

Data Quality Report

Orbit 09192

Creation date: 2024-06-27T15:40:26.038850
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/AS1G07_033T01_9000001254_09192cztM0_level2.evt modeM0/AS1G07_033T01_9000001254_09192cztM0_level2_quad_clean.evt
Size (bytes)35,683,20010,388,160
Size34.0 MB 9.9 MB
Events in quadrant A298,98967,274
Events in quadrant B256,03569,750
Events in quadrant C248,39467,295
Events in quadrant D237,27364,323

Level1 data integrity


Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A012031
B010810
C010780
D010790

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0100
B0100
C0100
D0100

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A53800.000000%
B53830.557621%
C53800.000000%
D53800.000000%

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 538 538 0 0 0.00% 0.00%
B 538 538 0 0 0.00% 0.00%
C 538 538 0 0 0.00% 0.00%
D 538 538 0 0 0.00% 0.00%

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 8 5 34753 2225.51 64 62 15.6
A 1 162 10608 676.55 64 62 15.6
A 1 178 2335 145.82 64 62 15.6
B 12 111 1418 93.37 65 64 14.5
B 11 111 1160 75.58 65 64 14.5
B 14 111 849 54.13 65 64 14.5
C 13 61 492 25.75 63 63 16.7
C 8 222 231 10.09 63 63 16.7
C 12 4 200 8.22 63 63 16.7
D 2 234 2493 140.52 62 59 17.3
D 1 52 1628 90.58 62 59 17.3
D 2 14 879 47.34 62 59 17.3

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