ASTROSAT CZTI

Data Quality Report

Orbit 29199

Creation date: 2024-06-27T20:01:24.701353
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/AS1A10_053T34_9000004192_29199cztM0_level2.evt modeM0/AS1A10_053T34_9000004192_29199cztM0_level2_quad_clean.evt
Size (bytes)497,108,16063,253,440
Size474.1 MB 60.3 MB
Events in quadrant A2,519,033404,629
Events in quadrant B2,814,553403,981
Events in quadrant C5,043,601370,077
Events in quadrant D4,328,684375,120

Level1 data integrity


Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A070
B070
C070
D070

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01060
B01060
C01060
D01060

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0107682
B0116051
C0187121
D0165561

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A5150310.601942%
B5150991.922330%
C515059111.475728%
D51502364.582524%

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 5840 5151 0 0 0.00% 0.00%
B 5840 5151 15 15 0.26% 0.29%
C 5840 5151 343 343 5.87% 6.66%
D 5840 5151 172 172 2.95% 3.34%

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 15 169 17628 129.44 648 634 131.3
A 13 254 10318 73.76 648 634 131.3
A 3 137 6414 44.03 648 634 131.3
B 0 183 120297 951.76 643 626 125.7
B 5 255 83442 658.65 643 626 125.7
B 0 229 28431 221.14 643 626 125.7
C 3 233 2566464 17969.88 606 610 142.8
C 14 238 98352 684.53 606 610 142.8
C 2 114 12253 81.54 606 610 142.8
D 1 52 823167 5594.64 617 603 147.0
D 8 195 595678 4047.38 617 603 147.0
D 2 250 271771 1844.34 617 603 147.0

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