ASTROSAT CZTI

Data Quality Report

Orbit 22103

Creation date: 2024-06-27T18:36:26.575934
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/AS1A07_007T05_9000003274_22103cztM0_level2.evt modeM0/AS1A07_007T05_9000003274_22103cztM0_level2_quad_clean.evt
Size (bytes)543,113,28074,666,880
Size518.0 MB 71.2 MB
Events in quadrant A2,635,087520,191
Events in quadrant B2,753,081521,114
Events in quadrant C2,615,890490,784
Events in quadrant D8,109,303381,700

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01020
B01020
C01020
D01020

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0130
B0130
C0130
D0130

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0107781
B0111031
C0106501
D0274231

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A4932691.399027%
B49321102.230333%
C4932871.763990%
D4933230246.665315%

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 6237 4933 0 0 0.00% 0.00%
B 6237 4933 24 24 0.38% 0.49%
C 6237 4933 0 0 0.00% 0.00%
D 6238 4934 2338 2338 37.48% 47.39%

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 5 16 10298 71.22 681 670 135.2
A 13 254 7983 54.09 681 670 135.2
A 0 226 6021 39.58 681 670 135.2
B 3 64 113355 898.27 670 656 125.5
B 0 230 19651 151.4 670 656 125.5
B 12 111 14496 110.31 670 656 125.5
C 14 238 102461 691.16 640 646 147.3
C 10 22 19113 125.36 640 646 147.3
C 13 61 4530 26.37 640 646 147.3
D 1 52 5577758 39460.09 583 567 141.3
D 11 176 141265 995.48 583 567 141.3
D 7 238 64635 453.3 583 567 141.3

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