ASTROSAT CZTI

Data Quality Report

Orbit 32053

Creation date: 2024-06-27T20:35:54.453886
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/AS1T04_046T01_9000004680_32053cztM0_level2.evt modeM0/AS1T04_046T01_9000004680_32053cztM0_level2_quad_clean.evt
Size (bytes)576,803,52097,983,360
Size550.1 MB 93.4 MB
Events in quadrant A3,234,020646,276
Events in quadrant B5,737,121621,161
Events in quadrant C3,456,198627,519
Events in quadrant D4,582,064599,617

Level1 data integrity


Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0139951
B0218741
C0146091
D0180401

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A030
B030
C030
D030

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01360
B01360
C01360
D01360

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A6791670.986600%
B67923575.256184%
C67921422.090695%
D67922213.253828%

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 6986 6792 0 0 0.00% 0.00%
B 6987 6792 164 164 2.35% 2.41%
C 6987 6793 0 0 0.00% 0.00%
D 6987 6793 208 208 2.98% 3.06%

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 13 254 13906 77.29 834 818 169.3
A 13 6 10870 59.36 834 818 169.3
A 3 137 8295 44.16 834 818 169.3
B 6 159 1911096 12374.16 806 785 154.4
B 5 172 429655 2778.03 806 785 154.4
B 0 190 70552 451.92 806 785 154.4
C 3 233 156914 841.46 790 794 185.5
C 14 238 127541 683.14 790 794 185.5
C 0 10 46147 244.44 790 794 185.5
D 8 195 763755 3996.96 792 770 190.9
D 12 218 552741 2891.55 792 770 190.9
D 12 227 152972 797.32 792 770 190.9

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