ASTROSAT CZTI

Data Quality Report

Orbit 05114

Creation date: 2024-06-27T14:51:28.899580
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/AS1G05_137T01_9000000646_05114cztM0_level2.evt modeM0/AS1G05_137T01_9000000646_05114cztM0_level2_quad_clean.evt
Size (bytes)105,059,52012,960,000
Size100.2 MB 12.4 MB
Events in quadrant A387,24295,612
Events in quadrant B909,53181,512
Events in quadrant C377,57590,434
Events in quadrant D1,442,63653,366

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0200
B0202
C0200
D0202

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01982104
B03844526
C01980109
D05688824

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A93800.000000%
B88511512.994350%
C93610.106838%
D86047154.767442%

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 990 985 0 0 0.00% 0.00%
B 989 970 85 85 8.59% 8.76%
C 990 987 0 0 0.00% 0.00%
D 990 941 345 345 34.85% 36.66%

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 12 194 1080 43.0 100 97 22.9
A 15 174 1022 40.46 100 97 22.9
A 0 226 1014 40.11 100 97 22.9
B 8 3 469070 24298.1 90 88 19.3
B 10 16 46586 2409.08 90 88 19.3
B 15 204 17516 902.95 90 88 19.3
C 13 61 811 29.6 96 96 24.2
C 1 16 549 18.76 96 96 24.2
C 12 4 543 18.51 96 96 24.2
D 12 22 1032088 61146.2 61 59 16.9
D 13 235 72051 4265.42 61 59 16.9
D 1 239 45867 2714.06 61 59 16.9

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