ASTROSAT CZTI

Data Quality Report

Orbit 29208

Creation date: 2024-06-27T20:01:33.074373
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_094T71_9000004196_29208cztM0_level2.evt modeM0/AS1A10_094T71_9000004196_29208cztM0_level2_quad_clean.evt
Size (bytes)502,606,08093,902,400
Size479.3 MB 89.6 MB
Events in quadrant A2,235,537659,122
Events in quadrant B2,537,113665,696
Events in quadrant C6,092,856587,597
Events in quadrant D4,038,111601,329

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0940
B0940
C0940
D0940

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A096260
B0104550
C0214590
D0151840

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A469430.063911%
B4695370.788072%
C469575216.017039%
D46952635.601704%

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 4694 4694 0 0 0.00% 0.00%
B 4695 4695 21 21 0.45% 0.45%
C 4695 4695 408 408 8.69% 8.69%
D 4695 4695 230 230 4.90% 4.90%

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 13 13840 116.61 575 564 113.8
A 13 254 9478 78.3 575 564 113.8
A 3 137 5216 40.86 575 564 113.8
B 0 229 193384 1790.12 568 555 107.7
B 0 183 67843 624.67 568 555 107.7
B 10 245 40010 366.28 568 555 107.7
C 3 233 3887087 32087.97 524 528 121.1
C 14 238 111348 914.95 524 528 121.1
C 14 254 41133 335.24 524 528 121.1
D 1 52 1174482 9134.04 541 527 128.5
D 8 195 741266 5763.38 541 527 128.5
D 2 250 41887 321.8 541 527 128.5

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