ASTROSAT CZTI

Data Quality Report

Orbit 43384

Creation date: 2024-06-27T22:51:18.619097
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/AS1C07_001T10_9000005872_43384cztM0_level2.fits modeM0/AS1C07_001T10_9000005872_43384cztM0_level2_quad_clean.evt
Size (bytes)323,038,08088,194,240
Size308.1 MB 84.1 MB
Events in quadrant A3,137,685588,516
Events in quadrant B2,449,955610,191
Events in quadrant C3,150,942574,185
Events in quadrant D2,801,259522,391

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01080
B01080
C01080
D01080

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0260
B0270
C0270
D0270

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0126882
B0111082
C0129722
D0123843

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A5363691.286593%
B5363150.279694%
C5363470.876375%
D53621562.909362%

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 7096 5364 46 46 0.65% 0.86%
B 7096 5364 5 5 0.07% 0.09%
C 7096 5364 29 29 0.41% 0.54%
D 7095 5363 140 140 1.97% 2.61%

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 611373 5184.28 574 561 117.8
A 15 237 263898 2235.08 574 561 117.8
A 13 6 21107 174.38 574 561 117.8
B 3 112 65173 583.53 577 560 110.7
B 15 85 41694 371.49 577 560 110.7
B 0 189 31140 276.17 577 560 110.7
C 3 233 629322 4730.44 566 568 132.9
C 15 214 222248 1667.81 566 568 132.9
C 12 249 38417 284.76 566 568 132.9
D 13 249 283818 2088.23 558 542 135.7
D 12 233 95712 701.57 558 542 135.7
D 1 52 89031 652.32 558 542 135.7

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