ASTROSAT CZTI

Data Quality Report

Orbit 32234

Creation date: 2024-06-27T20:37:53.167497
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/AS1A10_057T01_9000004692_32234cztM0_level2.evt modeM0/AS1A10_057T01_9000004692_32234cztM0_level2_quad_clean.evt
Size (bytes)209,393,28014,650,560
Size199.7 MB 14.0 MB
Events in quadrant A1,052,93476,427
Events in quadrant B1,821,89676,180
Events in quadrant C1,175,72676,779
Events in quadrant D2,158,04372,448

Level1 data integrity


Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A043870
B068380
C048590
D077790

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0400
B0400
C0400
D0400

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A193210.051760%
B1932381.966874%
C1932542.795031%
D1933412.121055%

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 1932 1932 0 0 0.00% 0.00%
B 1932 1932 9 9 0.47% 0.47%
C 1932 1932 0 0 0.00% 0.00%
D 1933 1933 10 10 0.52% 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 13 254 3995 66.82 272 266 55.8
A 0 226 2390 38.06 272 266 55.8
A 3 137 2336 37.09 272 266 55.8
B 6 159 622039 12086.12 270 264 51.4
B 4 80 59446 1150.39 270 264 51.4
B 5 172 59047 1142.63 270 264 51.4
C 14 238 54384 843.51 269 271 64.2
C 4 175 25433 392.22 269 271 64.2
C 3 233 14313 218.88 269 271 64.2
D 8 195 1079440 16701.49 268 261 64.6
D 13 249 21079 322.18 268 261 64.6
D 2 250 20745 317.01 268 261 64.6

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