ASTROSAT CZTI

Data Quality Report

Orbit 08310

Creation date: 2024-06-27T15:31:08.795563
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_080T03_9000001154_08310cztM0_level2.evt modeM0/AS1G07_080T03_9000001154_08310cztM0_level2_quad_clean.evt
Size (bytes)132,338,88039,553,920
Size126.2 MB 37.7 MB
Events in quadrant A1,013,630266,285
Events in quadrant B956,683265,904
Events in quadrant C898,412258,314
Events in quadrant D990,507251,628

Level1 data integrity


Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A044890
B043540
C042850
D044370

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0440
B0440
C0440
D0440

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A214230.140056%
B214210.046685%
C214200.000000%
D214200.000000%

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 2142 2142 2 2 0.09% 0.09%
B 2142 2142 1 1 0.05% 0.05%
C 2142 2142 0 0 0.00% 0.00%
D 2142 2142 0 0 0.00% 0.00%

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 23 58975 1204.68 236 230 48.8
A 15 234 30562 622.01 236 230 48.8
A 15 239 8405 167.64 236 230 48.8
B 0 229 15057 320.78 234 228 46.2
B 0 214 14055 299.1 234 228 46.2
B 0 187 8387 176.49 234 228 46.2
C 9 68 4717 83.11 229 230 54.0
C 13 61 1766 28.45 229 230 54.0
C 3 202 600 6.85 229 230 54.0
D 1 7 61530 1055.89 232 225 58.1
D 13 169 17838 303.35 232 225 58.1
D 2 234 7987 133.68 232 225 58.1

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