ASTROSAT CZTI

Data Quality Report

Orbit 10190

Creation date: 2024-06-27T15:56:24.061260
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/AS1G07_011T04_9000001466_10190cztM0_level2.evt modeM0/AS1G07_011T04_9000001466_10190cztM0_level2_quad_clean.evt
Size (bytes)271,152,00050,912,640
Size258.6 MB 48.6 MB
Events in quadrant A1,931,652319,889
Events in quadrant B1,970,055327,725
Events in quadrant C1,922,410315,663
Events in quadrant D2,122,763304,270

Level1 data integrity


Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A081641
B082471
C080591
D087471

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A090
B090
C090
D0100

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0780
B0780
C0780
D0780

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A387680.206398%
B3876110.283798%
C387650.128999%
D387650.128999%

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 3876 3876 0 0 0.00% 0.00%
B 3876 3876 0 0 0.00% 0.00%
C 3876 3876 0 0 0.00% 0.00%
D 3876 3876 3 3 0.08% 0.08%

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 13 253 5128 45.96 500 492 100.9
A 0 226 4476 39.49 500 492 100.9
A 12 194 3913 33.91 500 492 100.9
B 12 111 10254 103.1 504 494 94.7
B 11 111 8435 83.88 504 494 94.7
B 0 219 7137 70.17 504 494 94.7
C 14 234 6361 51.93 490 495 113.0
C 13 61 3632 27.77 490 495 113.0
C 14 128 2917 21.44 490 495 113.0
D 1 52 129556 1102.79 487 476 117.0
D 8 195 108678 924.42 487 476 117.0
D 2 14 16406 136.1 487 476 117.0

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