ASTROSAT CZTI

Data Quality Report

Orbit 07005

Creation date: 2024-06-27T15:14:21.190963
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/AS1T01_151T01_9000000960_07005cztM0_level2.evt modeM0/AS1T01_151T01_9000000960_07005cztM0_level2_quad_clean.evt
Size (bytes)443,799,36089,369,280
Size423.2 MB 85.2 MB
Events in quadrant A3,191,455576,879
Events in quadrant B3,332,225581,393
Events in quadrant C3,058,676562,437
Events in quadrant D3,429,309545,305

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01280
B01280
C01280
D01280

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0130
B0130
C0130
D0140

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0132343
B0136752
C0130752
D0140462

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A6311701.109174%
B6311971.536999%
C6311410.649659%
D6311701.109174%

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 7626 6312 0 0 0.00% 0.00%
B 7626 6312 10 10 0.13% 0.16%
C 7626 6312 0 0 0.00% 0.00%
D 7626 6312 33 33 0.43% 0.52%

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 14 239 17311 99.78 819 800 165.5
A 13 248 9836 54.61 819 800 165.5
A 13 14 8757 48.08 819 800 165.5
B 4 239 67241 431.0 819 801 154.2
B 0 214 45587 290.53 819 801 154.2
B 3 220 15907 97.99 819 801 154.2
C 1 16 8284 41.94 779 783 178.8
C 13 61 6118 29.83 779 783 178.8
C 8 128 5993 29.13 779 783 178.8
D 8 195 173713 905.92 786 761 190.9
D 1 18 123612 643.49 786 761 190.9
D 13 105 62788 324.9 786 761 190.9

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