ASTROSAT CZTI

Data Quality Report

Orbit 06053

Creation date: 2024-06-27T15:02:11.958720
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/AS1A02_090T01_9000000778_06053cztM0_level2.evt modeM0/AS1A02_090T01_9000000778_06053cztM0_level2_quad_clean.evt
Size (bytes)162,812,16038,177,280
Size155.3 MB 36.4 MB
Events in quadrant A1,246,022239,648
Events in quadrant B1,218,793245,487
Events in quadrant C1,134,818243,308
Events in quadrant D1,140,601229,705

Level1 data integrity


Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A055804
B056214
C055262
D055730

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0560
B0560
C0560
D0560

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A275930.108735%
B275970.253715%
C276000.000000%
D276110.036219%

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 2761 2761 0 0 0.00% 0.00%
B 2761 2761 8 8 0.29% 0.29%
C 2761 2761 0 0 0.00% 0.00%
D 2761 2761 1 1 0.04% 0.04%

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 8 15 83736 1314.92 300 293 63.5
A 7 16 9277 141.57 300 293 63.5
A 0 226 2821 39.84 300 293 63.5
B 3 64 22367 371.47 302 296 59.4
B 4 48 17721 293.27 302 296 59.4
B 12 111 5573 88.82 302 296 59.4
C 13 61 2360 29.82 290 293 69.3
C 9 54 1187 12.9 290 293 69.3
C 1 16 892 8.64 290 293 69.3
D 8 195 16421 221.56 290 282 72.8
D 11 241 12802 171.88 290 282 72.8
D 2 206 12509 167.86 290 282 72.8

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