ASTROSAT CZTI

Data Quality Report

Orbit 32052

Creation date: 2024-06-27T20:35:53.648198
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_32052cztM0_level2.evt modeM0/AS1T04_046T01_9000004680_32052cztM0_level2_quad_clean.evt
Size (bytes)665,343,36095,394,240
Size634.5 MB 91.0 MB
Events in quadrant A3,255,884642,417
Events in quadrant B5,560,773624,028
Events in quadrant C3,414,864626,733
Events in quadrant D7,464,764527,322

Level1 data integrity


Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0139741
B0214021
C0143421
D0265801

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A010
B010
C010
D010

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01360
B01360
C01360
D01360

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A67051412.102908%
B67063985.934984%
C67061962.922756%
D6706135720.235610%

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 6810 6706 0 0 0.00% 0.00%
B 6811 6706 116 116 1.70% 1.73%
C 6811 6707 2 2 0.03% 0.03%
D 6811 6707 1324 1324 19.44% 19.74%

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 6 14190 79.78 840 822 167.6
A 13 254 13035 72.89 840 822 167.6
A 3 137 8371 45.05 840 822 167.6
B 6 159 1840773 11817.56 812 792 155.7
B 5 172 361991 2319.86 812 792 155.7
B 10 245 54258 343.39 812 792 155.7
C 14 238 136272 719.41 795 799 188.3
C 0 10 102960 542.52 795 799 188.3
C 3 233 36716 190.73 795 799 188.3
D 12 227 4065963 22958.4 747 725 177.1
D 8 195 427346 2409.34 747 725 177.1
D 2 250 54968 306.34 747 725 177.1

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