ASTROSAT CZTI

Data Quality Report

Orbit 43358

Creation date: 2024-06-27T22:50:59.346666
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/AS1A09_143T01_9000005870_43358cztM0_level2.fits modeM0/AS1A09_143T01_9000005870_43358cztM0_level2_quad_clean.evt
Size (bytes)298,998,72090,639,360
Size285.1 MB 86.4 MB
Events in quadrant A3,230,577596,049
Events in quadrant B2,457,131631,456
Events in quadrant C2,443,027605,422
Events in quadrant D2,535,978551,129

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01060
B01060
C01060
D01060

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0290
B0300
C0300
D0300

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0127222
B0106582
C0104112
D0113482

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A51441633.168740%
B5144110.213841%
C514430.058320%
D5144190.369362%

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 7236 5145 135 135 1.87% 2.62%
B 7236 5145 5 5 0.07% 0.10%
C 7236 5145 0 0 0.00% 0.00%
D 7236 5145 19 19 0.26% 0.37%

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 536658 4650.95 565 555 115.3
A 13 248 398331 3450.9 565 555 115.3
A 15 237 94547 815.43 565 555 115.3
B 0 189 121128 1112.33 572 558 108.4
B 5 172 19357 173.43 572 558 108.4
B 5 255 18785 168.16 572 558 108.4
C 15 214 214721 1659.79 558 563 129.0
C 3 233 39668 303.08 558 563 129.0
C 7 220 5849 40.97 558 563 129.0
D 12 233 119684 894.18 550 535 133.2
D 1 52 82055 611.78 550 535 133.2
D 13 249 80065 596.85 550 535 133.2

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