ASTROSAT CZTI

Data Quality Report

Orbit 05980

Creation date: 2024-06-27T15:01:26.992484
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_086T01_9000000774_05980cztM0_level2.evt modeM0/AS1G06_086T01_9000000774_05980cztM0_level2_quad_clean.evt
Size (bytes)446,086,080125,527,680
Size425.4 MB 119.7 MB
Events in quadrant A3,223,543830,158
Events in quadrant B3,551,541850,088
Events in quadrant C3,055,479835,080
Events in quadrant D3,198,352794,314

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01440
B01440
C01440
D01440

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0210
B0210
C0210
D0210

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0148343
B0156042
C0145082
D0150092

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A7076480.678349%
B7076751.059921%
C7076210.296778%
D7076520.734878%

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 9116 7079 9 9 0.10% 0.13%
B 9116 7079 6 6 0.07% 0.08%
C 9116 7079 0 0 0.00% 0.00%
D 9116 7079 26 26 0.29% 0.37%

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 4 2 87276 536.2 791 773 161.3
A 15 234 39748 241.59 791 773 161.3
A 7 16 23524 141.03 791 773 161.3
B 15 204 266852 1736.89 803 782 153.2
B 4 81 56579 364.24 803 782 153.2
B 0 219 44375 284.57 803 782 153.2
C 9 54 25556 138.7 774 776 178.7
C 13 61 6356 31.23 774 776 178.7
C 12 4 4042 18.28 774 776 178.7
D 2 63 112530 597.6 763 736 187.1
D 1 239 112520 597.55 763 736 187.1
D 8 195 50406 265.52 763 736 187.1

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