ASTROSAT CZTI

Data Quality Report

Orbit 47590

Creation date: 2024-07-16T18:22:43.711457
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_080T03_9000006336_47590cztM0_level2.fits modeM0/AS1A13_080T03_9000006336_47590cztM0_level2_quad_clean.evt
Size (bytes)274,193,28050,348,160
Size261.5 MB 48.0 MB
Events in quadrant A3,195,628346,060
Events in quadrant B1,617,382345,693
Events in quadrant C1,253,500341,887
Events in quadrant D3,845,823274,020

Level1 data integrity


Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0119750
B068860
C061190
D0135820

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0620
B0620
C0620
D0620

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A3042581.906640%
B3043491.610253%
C304310.032862%
D304351316.858363%

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 3042 3042 35 35 1.15% 1.15%
B 3043 3043 34 34 1.12% 1.12%
C 3043 3043 0 0 0.00% 0.00%
D 3043 3043 616 616 20.24% 20.24%

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 1716372 24697.33 327 321 69.5
A 13 248 113609 1630.44 327 321 69.5
A 9 191 66215 948.34 327 321 69.5
B 0 200 169204 2677.41 322 314 63.1
B 5 32 101766 1608.31 322 314 63.1
B 5 250 16744 260.46 322 314 63.1
C 3 233 8930 115.2 317 318 74.8
C 0 207 6899 88.03 317 318 74.8
C 13 61 2236 25.66 317 318 74.8
D 2 165 2136426 27489.03 305 295 77.7
D 2 249 191170 2456.3 305 295 77.7
D 7 55 113253 1453.61 305 295 77.7

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