ASTROSAT CZTI

Data Quality Report

Orbit 43317

Creation date: 2024-06-27T22:50:33.920554
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/AS1A12_088T25_9000005866_43317cztM0_level2.fits modeM0/AS1A12_088T25_9000005866_43317cztM0_level2_quad_clean.evt
Size (bytes)321,554,88086,558,400
Size306.7 MB 82.5 MB
Events in quadrant A3,597,134567,175
Events in quadrant B2,539,383606,521
Events in quadrant C2,451,794579,409
Events in quadrant D2,924,450516,990

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01020
B01020
C01020
D01020

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0137652
B0106242
C0101472
D0120852

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0380
B0390
C0390
D0390

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A50072494.973038%
B5007180.359497%
C500730.059916%
D50071282.556421%

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 7009 5008 212 212 3.02% 4.23%
B 7009 5008 9 9 0.13% 0.18%
C 7009 5008 0 0 0.00% 0.00%
D 7009 5008 112 112 1.60% 2.24%

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 777029 6500.53 565 552 119.4
A 10 83 576463 4821.43 565 552 119.4
A 12 189 43202 357.06 565 552 119.4
B 0 186 76485 658.24 574 557 115.3
B 0 189 62216 534.54 574 557 115.3
B 0 245 59857 514.09 574 557 115.3
C 15 214 216549 1608.83 561 564 134.2
C 3 233 14365 102.8 561 564 134.2
C 0 207 12260 87.12 561 564 134.2
D 1 47 231112 1647.59 555 537 139.9
D 12 6 182863 1302.83 555 537 139.9
D 13 249 132435 942.49 555 537 139.9

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