ASTROSAT CZTI

Data Quality Report

Orbit 43010

Creation date: 2024-06-27T22:46:52.109799
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/AS1T05_148T01_9000005838_43010cztM0_level2.fits modeM0/AS1T05_148T01_9000005838_43010cztM0_level2_quad_clean.evt
Size (bytes)384,531,840115,202,880
Size366.7 MB 109.9 MB
Events in quadrant A3,299,034829,708
Events in quadrant B4,366,731796,325
Events in quadrant C2,741,817794,109
Events in quadrant D3,430,546712,217

Level1 data integrity


Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0210
B0210
C0210
D0210

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01020
B01020
C01020
D01020

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0131361
B0163181
C0110821
D0135221

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A5095551.079490%
B50963226.318681%
C509650.098116%
D50961172.295918%

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 7158 5096 29 29 0.41% 0.57%
B 7159 5097 160 160 2.23% 3.14%
C 7159 5097 3 3 0.04% 0.06%
D 7159 5097 103 103 1.44% 2.02%

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 10 83 545620 3669.75 671 662 148.5
A 15 237 111097 743.67 671 662 148.5
A 7 3 29606 194.91 671 662 148.5
B 0 186 1236775 9166.44 648 635 134.9
B 4 171 441257 3267.38 648 635 134.9
B 3 112 56941 417.53 648 635 134.9
C 15 214 209605 1288.3 642 648 162.2
C 0 239 24808 148.96 642 648 162.2
C 13 61 4294 22.48 642 648 162.2
D 1 52 448807 2664.96 638 618 168.2
D 1 47 125002 739.59 638 618 168.2
D 13 249 106336 628.6 638 618 168.2

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