ASTROSAT CZTI

Data Quality Report

Orbit 43330

Creation date: 2024-06-27T22:50:41.744336
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/AS1T05_158T01_9000005868_43330cztM0_level2.fits modeM0/AS1T05_158T01_9000005868_43330cztM0_level2_quad_clean.evt
Size (bytes)289,520,64086,040,000
Size276.1 MB 82.1 MB
Events in quadrant A2,935,862577,255
Events in quadrant B2,296,274599,323
Events in quadrant C2,422,437570,150
Events in quadrant D2,681,540515,975

Level1 data integrity


Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0115262
B099012
C098925
D0113382

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0400
B0410
C0410
D0410

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01000
B01000
C01000
D01000

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A4885631.289662%
B488580.163767%
C488330.061438%
D4885941.924258%

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 7037 4886 48 48 0.68% 0.98%
B 7037 4886 2 2 0.03% 0.04%
C 7037 4885 0 0 0.00% 0.00%
D 7037 4886 85 85 1.21% 1.74%

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 10 83 532235 4508.71 571 560 117.9
A 15 237 194585 1645.37 571 560 117.9
A 13 6 7004 54.65 571 560 117.9
B 5 172 29954 269.13 565 549 109.3
B 0 189 17927 159.05 565 549 109.3
B 0 230 17232 152.69 565 549 109.3
C 15 214 206493 1562.49 562 565 131.8
C 3 233 14800 108.01 562 565 131.8
C 2 16 7201 50.35 562 565 131.8
D 13 249 398786 2905.27 556 541 137.1
D 12 6 74445 539.14 556 541 137.1
D 2 249 48342 348.72 556 541 137.1

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