ASTROSAT CZTI

Data Quality Report

Orbit 03054

Creation date: 2024-06-27T14:24:01.990237
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/AS1G05_238T03_9000000424_03054cztM0_level2.evt modeM0/AS1G05_238T03_9000000424_03054cztM0_level2_quad_clean.evt
Size (bytes)416,093,76066,124,800
Size396.8 MB 63.1 MB
Events in quadrant A2,322,614428,902
Events in quadrant B2,817,230426,856
Events in quadrant C2,279,394416,125
Events in quadrant D4,843,039380,054

Level1 data integrity


Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0100583
B0116582
C0101102
D0176922

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0290
B0290
C0290
D0300

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01020
B01020
C01020
D01020

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A499050.100200%
B4990150.300601%
C499040.080160%
D49904819.639279%

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 7115 4991 0 0 0.00% 0.00%
B 7115 4991 9 9 0.13% 0.18%
C 7115 4991 2 2 0.03% 0.04%
D 7115 4991 556 556 7.81% 11.14%

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 13 251 8018 62.5 595 585 118.9
A 3 1 7126 55.0 595 585 118.9
A 12 194 6537 50.05 595 585 118.9
B 0 230 348550 3083.2 597 585 112.9
B 2 249 47003 411.29 597 585 112.9
B 15 204 39014 340.5 597 585 112.9
C 6 80 26764 199.18 567 571 131.5
C 7 236 10136 72.74 567 571 131.5
C 4 207 9594 68.61 567 571 131.5
D 13 114 2380394 17350.34 561 545 137.2
D 2 232 141153 1025.11 561 545 137.2
D 7 80 68555 495.83 561 545 137.2

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