ASTROSAT CZTI

Data Quality Report

Orbit 03329

Creation date: 2024-06-27T14:27:38.952763
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_246T01_9000000450_03329cztM0_level2.evt modeM0/AS1G05_246T01_9000000450_03329cztM0_level2_quad_clean.evt
Size (bytes)492,615,36084,150,720
Size469.8 MB 80.3 MB
Events in quadrant A3,132,689518,704
Events in quadrant B3,827,557532,423
Events in quadrant C3,252,561528,686
Events in quadrant D4,248,146498,190

Level1 data integrity


Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0139723
B0159392
C0142122
D0167122

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01360
B01360
C01360
D01360

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0210
B0210
C0210
D0220

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A6750450.666667%
B67501281.896296%
C6750270.400000%
D6750881.303704%

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 7980 6751 2 2 0.03% 0.03%
B 7980 6751 63 63 0.79% 0.93%
C 7980 6751 13 13 0.16% 0.19%
D 7980 6751 57 57 0.71% 0.84%

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 0 118 30595 182.01 802 785 163.8
A 0 226 11056 62.71 802 785 163.8
A 12 194 8464 46.89 802 785 163.8
B 15 204 358863 2274.51 819 800 157.4
B 6 203 221757 1403.57 819 800 157.4
B 0 229 51782 323.85 819 800 157.4
C 9 54 62329 332.73 792 797 184.9
C 1 16 59652 318.25 792 797 184.9
C 14 223 17957 92.79 792 797 184.9
D 12 246 1013054 5423.99 777 758 186.6
D 13 223 233638 1247.8 777 758 186.6
D 13 239 36141 189.59 777 758 186.6

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