ASTROSAT CZTI

Data Quality Report

Orbit 03316

Creation date: 2024-06-27T14:27:30.012305
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/AS1G05_241T02_9000000448_03316cztM0_level2.evt modeM0/AS1G05_241T02_9000000448_03316cztM0_level2_quad_clean.evt
Size (bytes)204,494,40037,437,120
Size195.0 MB 35.7 MB
Events in quadrant A1,269,913229,904
Events in quadrant B2,065,548231,753
Events in quadrant C1,345,661235,770
Events in quadrant D1,308,123224,052

Level1 data integrity


Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A059882
B082031
C060921
D061571

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0600
B0600
C0600
D0600

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0100
B0100
C0100
D0100

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A296630.101146%
B2966842.832097%
C296640.134862%
D296670.236008%

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 2966 2966 0 0 0.00% 0.00%
B 2966 2966 61 61 2.06% 2.06%
C 2966 2966 1 1 0.03% 0.03%
D 2966 2966 3 3 0.10% 0.10%

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 3937 53.18 327 320 68.0
A 0 226 3584 47.99 327 320 68.0
A 12 194 3382 45.02 327 320 68.0
B 15 204 580523 8930.97 329 322 65.0
B 15 85 150147 2306.24 329 322 65.0
B 15 54 45477 695.07 329 322 65.0
C 6 80 19962 252.2 326 329 77.8
C 1 192 17749 223.78 326 329 77.8
C 12 4 13119 164.3 326 329 77.8
D 12 233 32040 403.48 321 312 78.6
D 7 223 20423 255.75 321 312 78.6
D 13 223 14949 186.13 321 312 78.6

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