ASTROSAT CZTI

Data Quality Report

Orbit 43103

Creation date: 2024-06-27T22:48:04.574512
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_153T01_9000005848_43103cztM0_level2.fits modeM0/AS1T05_153T01_9000005848_43103cztM0_level2_quad_clean.evt
Size (bytes)370,964,16097,709,760
Size353.8 MB 93.2 MB
Events in quadrant A4,063,412635,309
Events in quadrant B2,757,738664,361
Events in quadrant C3,189,441644,324
Events in quadrant D3,251,749593,343

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01240
B01240
C01240
D01240

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0260
B0260
C0260
D0260

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0160602
B0125182
C0132222
D0141104

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A60322764.575597%
B6032190.314987%
C6032350.580239%
D6031871.442547%

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 8659 6034 191 191 2.21% 3.17%
B 8659 6034 7 7 0.08% 0.12%
C 8659 6034 33 33 0.38% 0.55%
D 8658 6033 85 85 0.98% 1.41%

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 15 237 887222 6781.03 633 617 130.7
A 10 83 628538 4802.53 633 617 130.7
A 12 189 89051 676.37 633 617 130.7
B 0 229 92290 737.3 640 621 124.3
B 5 255 68324 544.54 640 621 124.3
B 0 189 22868 178.93 640 621 124.3
C 15 214 272364 1841.01 631 634 147.6
C 8 79 195276 1318.73 631 634 147.6
C 14 254 175332 1183.61 631 634 147.6
D 1 52 472769 3059.67 630 612 154.3
D 12 233 149265 963.3 630 612 154.3
D 5 32 91548 589.28 630 612 154.3

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