ASTROSAT CZTI

Data Quality Report

Orbit 10043

Creation date: 2024-06-27T15:54:08.952948
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/AS1A03_052T01_9000001436_10043cztM0_level2.evt modeM0/AS1A03_052T01_9000001436_10043cztM0_level2_quad_clean.evt
Size (bytes)445,216,32097,119,360
Size424.6 MB 92.6 MB
Events in quadrant A3,203,282642,990
Events in quadrant B3,235,704646,048
Events in quadrant C2,890,078627,070
Events in quadrant D3,736,935596,168

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01240
B01240
C01240
D01240

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0120
B0120
C0120
D0120

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0138772
B0136741
C0127211
D0150311

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A6146871.415555%
B6146771.252847%
C6146570.927432%
D61462183.547022%

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 7336 6146 0 0 0.00% 0.00%
B 7336 6146 2 2 0.03% 0.03%
C 7336 6146 0 0 0.00% 0.00%
D 7336 6146 137 137 1.87% 2.23%

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 221711 1417.16 770 756 155.9
A 15 239 11125 66.5 770 756 155.9
A 0 226 7235 41.55 770 756 155.9
B 4 81 108370 745.11 767 752 144.4
B 0 214 53528 365.4 767 752 144.4
B 0 187 33414 226.14 767 752 144.4
C 14 67 15558 86.78 735 739 170.8
C 8 222 5691 29.0 735 739 170.8
C 13 61 5550 28.17 735 739 170.8
D 9 85 190833 985.3 730 712 193.0
D 12 233 187228 966.62 730 712 193.0
D 7 71 140095 722.35 730 712 193.0

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