ASTROSAT CZTI

Data Quality Report

Orbit 05589

Creation date: 2024-06-27T14:56:58.582499
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/AS1G06_034T01_9000000722_05589cztM0_level2.evt modeM0/AS1G06_034T01_9000000722_05589cztM0_level2_quad_clean.evt
Size (bytes)350,640,00035,884,800
Size334.4 MB 34.2 MB
Events in quadrant A1,718,242222,180
Events in quadrant B1,812,870221,668
Events in quadrant C1,667,022218,741
Events in quadrant D5,183,078176,975

Level1 data integrity


Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A090
B090
C090
D090

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A073752
B075771
C072751
D0177361

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0720
B0720
C0720
D0720

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A3477491.409261%
B3477521.495542%
C3477421.207938%
D3477186253.551913%

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 4387 3478 1 1 0.02% 0.03%
B 4387 3478 0 0 0.00% 0.00%
C 4387 3478 0 0 0.00% 0.00%
D 4387 3477 1463 1463 33.35% 42.08%

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 0 50 19099 205.81 439 429 90.7
A 12 194 4497 44.84 439 429 90.7
A 15 236 4422 44.02 439 429 90.7
B 4 48 34613 391.8 442 431 87.2
B 0 214 27042 305.02 442 431 87.2
B 15 204 20826 233.77 442 431 87.2
C 13 61 3568 31.18 426 428 100.7
C 1 16 1952 15.13 426 428 100.7
C 8 222 1448 10.13 426 428 100.7
D 2 63 3871410 54551.68 286 277 71.0
D 2 136 93469 1313.25 286 277 71.0
D 2 33 41251 577.4 286 277 71.0

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