ASTROSAT CZTI

Data Quality Report

Orbit 44030

Creation date: 2024-06-27T22:58:31.146075
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/AS1A13_023T03_9000005934_44030cztM0_level2.fits modeM0/AS1A13_023T03_9000005934_44030cztM0_level2_quad_clean.evt
Size (bytes)565,355,520126,881,280
Size539.2 MB 121.0 MB
Events in quadrant A4,908,090861,004
Events in quadrant B4,043,030885,648
Events in quadrant C4,068,191853,952
Events in quadrant D7,286,281684,326

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01600
B01600
C01600
D01600

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0197610
B0173973
C0177020
D0270000

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A80121051.310534%
B80101772.209738%
C8012800.998502%
D8013108513.540497%

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 8012 8012 1 1 0.01% 0.01%
B 8012 8011 14 14 0.17% 0.17%
C 8012 8012 23 23 0.29% 0.29%
D 8013 8012 816 816 10.18% 10.18%

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 1180789 5975.13 937 916 197.5
A 14 238 50178 249.47 937 916 197.5
A 10 248 35540 175.34 937 916 197.5
B 0 213 120874 637.56 937 905 188.2
B 7 221 110500 582.43 937 905 188.2
B 4 170 38999 202.44 937 905 188.2
C 14 254 162463 734.95 923 926 219.8
C 15 158 145724 658.79 923 926 219.8
C 3 233 76125 342.13 923 926 219.8
D 5 235 1717031 7848.3 851 822 218.7
D 13 249 607306 2773.48 851 822 218.7
D 1 52 360153 1643.24 851 822 218.7

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