ASTROSAT CZTI

Data Quality Report

Orbit 10332

Creation date: 2024-06-27T15:58:00.226846
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/AS1A03_112T01_9000001488_10332cztM0_level2.evt modeM0/AS1A03_112T01_9000001488_10332cztM0_level2_quad_clean.evt
Size (bytes)292,740,48064,031,040
Size279.2 MB 61.1 MB
Events in quadrant A2,006,790373,267
Events in quadrant B2,083,093405,985
Events in quadrant C2,188,465434,299
Events in quadrant D2,287,618417,403

Level1 data integrity


Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A02210
B02412
C02311
D0197

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A019080
B019084
C019085
D018476

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A02157113652
B02098412141
C0192769610
D02306113518

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A380820.052521%
B436150.114653%
C480520.041623%
D4350250.574713%

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 6832 4392 0 0 0.00% 0.00%
B 6833 4991 1 1 0.01% 0.02%
C 6833 5339 1 1 0.01% 0.02%
D 6833 4684 21 21 0.31% 0.45%

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 295516 3331.53 434 424 88.6
A 13 251 23832 264.27 434 424 88.6
A 15 174 10049 108.66 434 424 88.6
B 4 239 45879 472.31 505 492 96.1
B 0 187 23828 242.84 505 492 96.1
B 11 51 23791 242.45 505 492 96.1
C 14 234 8245 59.34 559 562 129.5
C 13 61 4194 28.05 559 562 129.5
C 3 202 1466 6.98 559 562 129.5
D 1 52 259088 2148.03 500 485 120.4
D 2 14 53707 442.08 500 485 120.4
D 2 33 27551 224.82 500 485 120.4

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