ASTROSAT CZTI

Data Quality Report

Orbit 02298

Creation date: 2024-06-27T14:15:50.428752
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/AS1SLEW_01234_9000000349_02298cztM0_level2.evt modeM0/AS1SLEW_01234_9000000349_02298cztM0_level2_quad_clean.evt
Size (bytes)48,297,60011,445,120
Size46.1 MB 10.9 MB
Events in quadrant A296,83673,314
Events in quadrant B307,09475,651
Events in quadrant C306,63076,091
Events in quadrant D507,28870,659

Level1 data integrity


Mode SS
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A02412
B02412
C02412
D02412

Mode M0
QuadrantBADHDUFLAGTotal packetsDiscarded packets
A025401271
B025501276
C025801291
D039661984

Data saturation


QuadrantTotal secondsSaturated secondsSaturation percentage
A61010.163934%
B61000.000000%
C61000.000000%
D610203.278689%

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 609 609 0 0 0.00% 0.00%
B 609 609 0 0 0.00% 0.00%
C 610 610 0 0 0.00% 0.00%
D 610 610 21 21 3.44% 3.44%

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
Veto Counter