ASTROSAT CZTI

Data Quality Report

Orbit 05343

Creation date: 2024-06-27T14:54:07.854391
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_152T01_9000000676_05343cztM0_level2.evt modeM0/AS1G05_152T01_9000000676_05343cztM0_level2_quad_clean.evt
Size (bytes)572,109,12082,278,720
Size545.6 MB 78.5 MB
Events in quadrant A2,779,177524,912
Events in quadrant B3,132,251535,849
Events in quadrant C4,842,257523,569
Events in quadrant D6,140,861462,177

Level1 data integrity


Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A090
B090
C090
D090

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0130646
B0138258
C0188056
D02289813

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01300
B01300
C01300
D01300

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A6372310.486503%
B6371681.067336%
C6372410.643440%
D6369106016.643115%

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 7304 6375 18 18 0.25% 0.28%
B 7304 6375 33 33 0.45% 0.52%
C 7304 6375 0 0 0.00% 0.00%
D 7304 6374 640 640 8.76% 10.04%

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 0 50 65478 450.19 702 685 143.9
A 12 194 6942 43.47 702 685 143.9
A 0 226 6793 42.44 702 685 143.9
B 10 16 188285 1383.79 716 700 135.6
B 4 80 95050 696.01 716 700 135.6
B 15 54 20645 147.13 716 700 135.6
C 1 16 2093711 13075.33 699 703 160.1
C 14 67 10430 60.77 699 703 160.1
C 12 4 6833 38.3 699 703 160.1
D 2 63 2662151 16790.99 649 628 158.5
D 2 16 504937 3181.58 649 628 158.5
D 13 61 127896 802.9 649 628 158.5

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