ASTROSAT CZTI

Data Quality Report

Orbit 30214

Creation date: 2024-06-27T20:12:18.936324
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/AS1A10_071T15_9000004346_30214cztM0_level2.evt modeM0/AS1A10_071T15_9000004346_30214cztM0_level2_quad_clean.evt
Size (bytes)792,973,44091,736,640
Size756.2 MB 87.5 MB
Events in quadrant A4,279,453568,088
Events in quadrant B6,678,324566,872
Events in quadrant C4,733,525547,015
Events in quadrant D7,741,908497,574

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01740
B01740
C01740
D01740

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0182021
B0263251
C0192761
D0286521

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A030
B030
C030
D030

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A86103794.401858%
B86115656.561375%
C86114284.970387%
D8611109612.727906%

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 8890 8611 0 0 0.00% 0.00%
B 8891 8611 0 0 0.00% 0.00%
C 8891 8612 0 0 0.00% 0.00%
D 8891 8611 747 747 8.40% 8.67%

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 13 254 15250 62.67 1105 1079 226.1
A 8 192 13017 52.8 1105 1079 226.1
A 3 137 12035 48.45 1105 1079 226.1
B 6 159 2415177 11311.06 1080 1048 213.4
B 12 111 27643 124.61 1080 1048 213.4
B 11 111 25581 114.95 1080 1048 213.4
C 3 233 425707 1693.59 1054 1058 250.7
C 14 238 164902 653.44 1054 1058 250.7
C 2 114 20318 76.81 1054 1058 250.7
D 1 52 1607352 6486.0 1031 1005 247.7
D 7 238 1245867 5026.42 1031 1005 247.7
D 7 223 369316 1487.14 1031 1005 247.7

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