ASTROSAT CZTI

Data Quality Report

Orbit 06215

Creation date: 2024-06-27T15:04:13.776080
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/AS1G06_103T01_9000000812_06215cztM0_level2.evt modeM0/AS1G06_103T01_9000000812_06215cztM0_level2_quad_clean.evt
Size (bytes)474,883,20084,216,960
Size452.9 MB 80.3 MB
Events in quadrant A3,519,242512,686
Events in quadrant B3,542,448518,971
Events in quadrant C3,376,815512,020
Events in quadrant D3,439,823491,455

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01597
B01606
C01606
D016014

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A060
B060
C060
D060

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A016446907
B016465930
C016176938
D016530871

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A7405971.309926%
B73921341.812771%
C7379600.813118%
D7416670.903452%

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 8413 7647 0 0 0.00% 0.00%
B 8413 7604 1 1 0.01% 0.01%
C 8413 7621 0 0 0.00% 0.00%
D 8413 7637 14 14 0.17% 0.18%

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 8 15 65676 361.94 873 853 179.1
A 15 236 62664 345.13 873 853 179.1
A 4 2 9811 50.02 873 853 179.1
B 4 81 34202 193.27 885 861 172.5
B 0 219 29104 163.72 885 861 172.5
B 15 204 25121 140.63 885 861 172.5
C 1 16 25204 120.59 859 864 201.8
C 13 61 6877 29.79 859 864 201.8
C 3 202 2140 6.32 859 864 201.8
D 5 97 51439 237.42 861 833 213.2
D 2 136 43774 201.46 861 833 213.2
D 2 14 39587 181.81 861 833 213.2

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