ASTROSAT CZTI

Data Quality Report

Orbit 43130

Creation date: 2024-06-27T22:48:25.778053
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/AS1A09_006T07_9000005852_43130cztM0_level2.fits modeM0/AS1A09_006T07_9000005852_43130cztM0_level2_quad_clean.evt
Size (bytes)339,024,96089,939,520
Size323.3 MB 85.8 MB
Events in quadrant A3,311,660603,049
Events in quadrant B3,194,303615,471
Events in quadrant C2,667,157581,866
Events in quadrant D2,948,208537,918

Level1 data integrity


Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0320
B0320
C0331
D0320

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0133342
B0133552
C0114322
D0127252

Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01120
B01120
C01120
D01120

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A5502530.963286%
B5501661.199782%
C550190.163607%
D5501601.090711%

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 7085 5503 29 29 0.41% 0.53%
B 7084 5502 28 28 0.40% 0.51%
C 7084 5502 0 0 0.00% 0.00%
D 7084 5502 35 35 0.49% 0.64%

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 10 83 617757 4948.23 599 585 124.7
A 15 222 147921 1181.28 599 585 124.7
A 12 189 121119 966.39 599 585 124.7
B 0 186 544328 4668.81 597 580 116.5
B 0 229 148821 1272.85 597 580 116.5
B 5 255 104750 894.44 597 580 116.5
C 15 214 229637 1662.22 585 590 137.8
C 0 239 122059 881.51 585 590 137.8
C 12 249 13422 93.12 585 590 137.8
D 1 52 589955 4066.5 584 566 144.9
D 2 234 27318 184.58 584 566 144.9
D 5 70 18889 126.42 584 566 144.9

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