ASTROSAT CZTI

Data Quality Report

Orbit 20210731_C06_006T06_9000004608_level2

Creation date: 2021-08-04T17:31:55.558372
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

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date-obs: 2021-07-31
time-obs: 23:44:49.344500000
date-end: 2021-08-01
time-end: 06:46:16.025900000
obs_id: C06_006T06_9000004608
exposure: 12105.0190117
sourceid: XRBBlankF1T6
observer: sudip
ra_pnt: 203.6542
dec_pnt: 37.91222

Basic statistics of files

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Param	Original file	Final file
Filename	modeM0/AS1C06_006T06_9000004608cztM0_level2_bc.evt	modeM0/AS1C06_006T06_9000004608cztM0_level2_quad_clean.evt
Size (bytes)	1,071,930,240	251,559,360
Size	1022.3 MB	239.9 MB
Events in quadrant A	3,777,377	1,722,366
Events in quadrant B	12,942,443	1,491,555
Events in quadrant C	3,901,253	1,654,675
Events in quadrant D	10,640,583	1,536,120

Level1 data integrity

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Mode M9
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	30	0
B	0	28	0
C	0	28	0
D	0	29	0

Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	36396	0
B	0	74177	0
C	0	37305	0
D	0	60239	0

Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	366	0
B	0	364	0
C	0	374	0
D	0	366	0

Data saturation

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Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	17707	155	0.875360%
B	17315	3473	20.057753%
C	17724	303	1.709546%
D	17497	1235	7.058353%

Noise dominated fraction

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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	25202	18110	0	0	0.00%	0.00%