ASTROSAT CZTI

Data Quality Report

Orbit 46030

Creation date: 2024-06-27T23:18:56.364631
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/AS1A13_033T02_9000006154_46030cztM0_level2.fits modeM0/AS1A13_033T02_9000006154_46030cztM0_level2_quad_clean.evt
Size (bytes)615,205,440113,016,960
Size586.7 MB 107.8 MB
Events in quadrant A6,036,779755,292
Events in quadrant B7,127,148737,410
Events in quadrant C3,621,370752,398
Events in quadrant D5,431,209675,702

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01440
B01440
C01440
D01440

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0222060
B0263010
C0160040
D0211150

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A7192370.514461%
B71936659.245099%
C71931071.487557%
D71922653.684650%

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 7193 7193 5 5 0.07% 0.07%
B 7194 7194 458 458 6.37% 6.37%
C 7194 7194 103 103 1.43% 1.43%
D 7193 7193 239 239 3.32% 3.32%

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 2888135 17307.38 799 782 166.8
A 13 248 42866 252.26 799 782 166.8
A 13 254 13133 74.03 799 782 166.8
B 3 112 3926537 25247.4 775 750 155.5
B 4 171 94066 600.13 775 750 155.5
B 12 111 20014 123.89 775 750 155.5
C 14 254 431222 2343.41 781 784 183.7
C 0 207 76183 410.49 781 784 183.7
C 1 3 61163 328.72 781 784 183.7
D 1 52 1576118 8046.63 776 753 195.8
D 2 37 540607 2757.46 776 753 195.8
D 2 249 81854 414.25 776 753 195.8

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