ASTROSAT CZTI

Data Quality Report

Orbit 06065

Creation date: 2024-06-27T15:02:20.383337
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_130T01_9000000782_06065cztM0_level2.evt modeM0/AS1G06_130T01_9000000782_06065cztM0_level2_quad_clean.evt
Size (bytes)448,770,240117,002,880
Size428.0 MB 111.6 MB
Events in quadrant A3,017,155785,390
Events in quadrant B4,021,323790,171
Events in quadrant C2,828,746786,889
Events in quadrant D3,298,293744,126

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01280
B01280
C01280
D01280

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0190
B0190
C0190
D0200

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0133273
B0162592
C0129992
D0142792

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A6257500.799105%
B62573034.842576%
C6257440.703212%
D6257851.358479%

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 7497 6258 1 1 0.01% 0.02%
B 7497 6258 172 172 2.29% 2.75%
C 7497 6258 21 21 0.28% 0.34%
D 7497 6258 53 53 0.71% 0.85%

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 208649 1418.8 721 704 146.6
A 4 2 18066 118.46 721 704 146.6
A 14 111 11353 72.66 721 704 146.6
B 3 64 904395 6569.92 725 708 137.5
B 15 204 111956 808.79 725 708 137.5
B 4 81 89654 646.65 725 708 137.5
C 1 16 67511 412.9 705 707 161.8
C 13 61 5705 30.89 705 707 161.8
C 9 16 5699 30.85 705 707 161.8
D 13 169 234532 1352.56 695 673 172.9
D 12 221 213864 1233.03 695 673 172.9
D 2 33 67964 389.19 695 673 172.9

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