ASTROSAT CZTI

Data Quality Report

Orbit 29404

Creation date: 2024-06-27T20:03:37.726174
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/AS1A10_101T19_9000004228_29404cztM0_level2.evt modeM0/AS1A10_101T19_9000004228_29404cztM0_level2_quad_clean.evt
Size (bytes)212,253,12015,923,520
Size202.4 MB 15.2 MB
Events in quadrant A1,010,77485,664
Events in quadrant B1,118,25086,259
Events in quadrant C1,119,64383,109
Events in quadrant D3,033,18972,378

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A0420
B0420
C0420
D0420

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A042770
B046030
C046110
D0104990

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A212540.188235%
B212570.329412%
C2125251.176471%
D212551724.329412%

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 2125 2125 0 0 0.00% 0.00%
B 2125 2125 1 1 0.05% 0.05%
C 2125 2125 0 0 0.00% 0.00%
D 2125 2125 391 391 18.40% 18.40%

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 13 254 4329 73.08 261 256 55.7
A 1 113 2911 47.64 261 256 55.7
A 3 137 2554 41.23 261 256 55.7
B 0 229 67674 1301.52 258 252 51.8
B 10 245 14629 277.53 258 252 51.8
B 3 209 6586 122.27 258 252 51.8
C 3 233 85031 1396.23 248 249 60.7
C 14 238 45486 744.98 248 249 60.7
C 4 222 10242 164.57 248 249 60.7
D 8 195 1035811 17918.72 234 227 57.8
D 1 52 853353 14761.65 234 227 57.8
D 12 33 199003 3439.42 234 227 57.8

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