ASTROSAT CZTI

Data Quality Report

Orbit 43019

Creation date: 2024-06-27T22:46:59.317664
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_148T01_9000005838_43019cztM0_level2.fits modeM0/AS1T05_148T01_9000005838_43019cztM0_level2_quad_clean.evt
Size (bytes)485,640,000122,742,720
Size463.1 MB 117.1 MB
Events in quadrant A3,833,100875,103
Events in quadrant B4,244,515859,410
Events in quadrant C3,254,251846,453
Events in quadrant D6,137,880680,120

Level1 data integrity


Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0290
B0290
C0290
D0290

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01360
B01360
C01360
D01360

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0150872
B0167812
C0132052
D0226282

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A6528360.551471%
B65282914.457721%
C652930.045949%
D652985413.080104%

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 9452 6530 19 19 0.20% 0.29%
B 9452 6530 201 201 2.13% 3.08%
C 9453 6531 0 0 0.00% 0.00%
D 9453 6530 631 631 6.68% 9.66%

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 679518 4031.4 779 767 168.4
A 15 237 121027 714.28 779 767 168.4
A 13 248 11557 64.09 779 767 168.4
B 0 186 868905 5570.28 767 750 155.9
B 3 112 308510 1974.66 767 750 155.9
B 15 85 35486 222.87 767 750 155.9
C 15 214 284787 1507.33 760 771 188.4
C 13 61 5094 22.94 760 771 188.4
C 15 111 4698 20.84 760 771 188.4
D 1 52 2343513 12820.4 708 688 182.7
D 13 249 906279 4955.57 708 688 182.7
D 12 6 91706 498.07 708 688 182.7

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