ASTROSAT CZTI

Data Quality Report

Orbit 10029

Creation date: 2024-06-27T15:53:55.760446
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_022T02_9000001434_10029cztM0_level2.evt modeM0/AS1G07_022T02_9000001434_10029cztM0_level2_quad_clean.evt
Size (bytes)460,532,16099,034,560
Size439.2 MB 94.4 MB
Events in quadrant A3,090,910651,871
Events in quadrant B3,362,493658,054
Events in quadrant C2,724,297656,263
Events in quadrant D4,363,744615,655

Level1 data integrity


Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0132632
B0140331
C0122421
D0169891

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0120
B0120
C0120
D0120

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01220
B01220
C01220
D01220

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A59731252.092751%
B59732303.850661%
C5973621.038004%
D59731993.331659%

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 7208 5973 41 41 0.57% 0.69%
B 7208 5973 91 91 1.26% 1.52%
C 7208 5973 0 0 0.00% 0.00%
D 7208 5973 128 128 1.78% 2.14%

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 15 174 135946 925.55 722 708 146.1
A 8 15 114154 776.41 722 708 146.1
A 8 5 58694 396.85 722 708 146.1
B 4 81 456129 3339.94 722 707 136.4
B 0 214 45610 329.31 722 707 136.4
B 4 239 25204 179.65 722 707 136.4
C 13 61 5409 29.3 697 701 160.7
C 14 67 3364 16.57 697 701 160.7
C 8 222 2908 13.73 697 701 160.7
D 2 16 871060 4865.07 684 669 178.9
D 8 195 449327 2507.78 684 669 178.9
D 7 71 281579 1570.15 684 669 178.9

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