ASTROSAT CZTI

Data Quality Report

Orbit 22032

Creation date: 2024-06-27T18:35:35.019564
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/AS1A07_091T07_9000003254_22032cztM0_level2.evt modeM0/AS1A07_091T07_9000003254_22032cztM0_level2_quad_clean.evt
Size (bytes)264,484,80019,638,720
Size252.2 MB 18.7 MB
Events in quadrant A1,298,254108,767
Events in quadrant B1,295,101108,917
Events in quadrant C1,271,140106,242
Events in quadrant D3,978,36394,718

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0480
B0480
C0480
D0480

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A053160
B052750
C050790
D0135100

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A243830.123052%
B2439110.451005%
C243990.369004%
D243997640.016400%

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 2438 2438 0 0 0.00% 0.00%
B 2439 2439 4 4 0.16% 0.16%
C 2439 2439 0 0 0.00% 0.00%
D 2439 2439 936 936 38.38% 38.38%

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 15 236 45494 680.52 324 318 66.4
A 13 254 4476 62.63 324 318 66.4
A 0 226 2911 39.06 324 318 66.4
B 0 190 20587 333.04 319 312 60.9
B 3 64 18414 297.35 319 312 60.9
B 4 216 6890 108.05 319 312 60.9
C 14 238 50215 678.3 313 315 73.6
C 13 61 2151 24.96 313 315 73.6
C 3 202 840 7.14 313 315 73.6
D 1 52 2615882 40007.35 266 258 65.4
D 12 233 195995 2993.9 266 258 65.4
D 11 176 59197 901.5 266 258 65.4

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