ASTROSAT CZTI

Data Quality Report

Orbit 43069

Creation date: 2024-06-27T22:47:36.597827
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/AS1C07_001T10_9000005844_43069cztM0_level2.fits modeM0/AS1C07_001T10_9000005844_43069cztM0_level2_quad_clean.evt
Size (bytes)425,295,36090,630,720
Size405.6 MB 86.4 MB
Events in quadrant A4,085,514628,566
Events in quadrant B2,611,207651,943
Events in quadrant C2,501,206604,278
Events in quadrant D6,141,567495,652

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A01060
B01060
C01060
D01060

Mode M9
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0250
B0260
C0260
D0260

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0156042
B0111612
C0104702
D0218307

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A51922234.295069%
B5192360.693374%
C519230.057781%
D519191117.549605%

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 7343 5193 181 181 2.46% 3.49%
B 7343 5193 21 21 0.29% 0.40%
C 7343 5193 0 0 0.00% 0.00%
D 7342 5192 717 717 9.77% 13.81%

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 624164 5256.07 584 573 118.6
A 15 237 553609 4661.38 584 573 118.6
A 13 248 343713 2892.23 584 573 118.6
B 5 255 130535 1186.31 583 570 109.6
B 0 229 74467 674.53 583 570 109.6
B 0 155 30445 272.7 583 570 109.6
C 15 214 234409 1782.64 570 572 131.2
C 1 128 24070 179.14 570 572 131.2
C 14 254 6448 44.8 570 572 131.2
D 13 249 1504200 11528.6 538 523 130.4
D 2 16 1133789 8688.68 538 523 130.4
D 1 52 1008781 7730.25 538 523 130.4

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