ASTROSAT CZTI

Data Quality Report

Orbit 17010

Creation date: 2024-06-27T17:30:45.319140
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/AS1A05_206T01_9000002528_17010cztM0_level2.evt modeM0/AS1A05_206T01_9000002528_17010cztM0_level2_quad_clean.evt
Size (bytes)103,904,64027,760,320
Size99.1 MB 26.5 MB
Events in quadrant A685,878184,975
Events in quadrant B869,622186,365
Events in quadrant C746,589182,348
Events in quadrant D742,862178,467

Level1 data integrity


Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A040
B040
C040
D040

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0300
B0300
C0300
D0300

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A030052
B035521
C031021
D031731

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A1452302.066116%
B14521027.024793%
C1452362.479339%
D1452161.101928%

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 1453 1453 0 0 0.00% 0.00%
B 1453 1453 33 33 2.27% 2.27%
C 1453 1453 0 0 0.00% 0.00%
D 1453 1453 1 1 0.07% 0.07%

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 0 226 1505 35.08 178 175 37.9
A 12 194 1340 30.73 178 175 37.9
A 3 137 1214 27.41 178 175 37.9
B 3 64 181794 5135.83 173 169 35.4
B 0 189 10053 279.49 173 169 35.4
B 12 111 3952 106.97 173 169 35.4
C 3 233 33439 782.11 175 175 42.5
C 14 238 26412 616.89 175 175 42.5
C 9 54 1446 29.88 175 175 42.5
D 1 52 64383 1433.48 178 172 44.8
D 2 234 5251 113.39 178 172 44.8
D 3 238 2399 49.72 178 172 44.8

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