ASTROSAT CZTI

Data Quality Report

Orbit 10324

Creation date: 2024-06-27T15:57:55.721059
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_124T01_9000001486_10324cztM0_level2.evt modeM0/AS1A03_124T01_9000001486_10324cztM0_level2_quad_clean.evt
Size (bytes)121,662,72033,992,640
Size116.0 MB 32.4 MB
Events in quadrant A844,613225,834
Events in quadrant B814,267208,002
Events in quadrant C818,916223,758
Events in quadrant D1,076,005234,389

Level1 data integrity


Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A079384189
B090405599
C081484381
D083984101

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A08038
B08040
C08039
D07836

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A185730.161551%
B168000.000000%
C188310.053107%
D2064120.581395%

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 2204 2139 1 1 0.05% 0.05%
B 2203 1989 0 0 0.00% 0.00%
C 2204 2149 0 0 0.00% 0.00%
D 2204 2159 8 8 0.36% 0.37%

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 5 17204 373.84 212 206 45.5
A 3 1 6587 140.34 212 206 45.5
A 8 15 4114 85.95 212 206 45.5
B 4 239 34402 881.29 192 188 38.8
B 11 51 10346 261.65 192 188 38.8
B 0 214 9574 241.77 192 188 38.8
C 4 254 1930 34.47 209 209 49.9
C 13 61 1617 28.2 209 209 49.9
C 12 4 1330 22.45 209 209 49.9
D 8 195 134486 2381.81 229 223 56.4
D 1 52 40323 711.37 229 223 56.4
D 13 104 14697 256.77 229 223 56.4

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