ASTROSAT CZTI

Data Quality Report

Orbit 09410

Creation date: 2024-06-27T15:45:42.297735
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_044T09_9000001334_09410cztM0_level2.evt modeM0/AS1G07_044T09_9000001334_09410cztM0_level2_quad_clean.evt
Size (bytes)457,652,16092,580,480
Size436.5 MB 88.3 MB
Events in quadrant A4,234,548577,415
Events in quadrant B3,093,584590,602
Events in quadrant C3,058,094594,382
Events in quadrant D3,023,450579,184

Level1 data integrity


Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0170693
B0137742
C0136992
D0138382

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0180
B0180
C0180
D0190

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01360
B01360
C01360
D01360

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A66221802.718212%
B6622370.558744%
C6622420.634249%
D6622140.211416%

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 7617 6623 117 117 1.54% 1.77%
B 7617 6623 1 1 0.01% 0.02%
C 7617 6623 8 8 0.11% 0.12%
D 7617 6623 1 1 0.01% 0.02%

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 5 907594 5892.81 762 744 153.9
A 4 2 335651 2176.26 762 744 153.9
A 1 162 20599 129.02 762 744 153.9
B 0 214 26514 175.75 776 755 146.6
B 12 111 16274 105.88 776 755 146.6
B 11 111 13312 85.67 776 755 146.6
C 4 254 55344 310.93 763 766 175.5
C 10 22 9894 52.0 763 766 175.5
C 8 128 8109 41.83 763 766 175.5
D 12 227 40352 220.39 754 738 179.7
D 2 136 31810 172.86 754 738 179.7
D 2 234 29446 159.71 754 738 179.7

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