ASTROSAT CZTI

Data Quality Report

Orbit 14463

Creation date: 2024-06-27T16:55:31.169760
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: 2018-06-01
time-obs: 05:45:54.972200000
date-end: 2018-06-01
time-end: 07:50:14.966300000
obs_id: G08_025T01_9000002130
exposure: 3703.51976895
sourceid: Cyg X-2
observer: sudip
ra_pnt: 326.1714
dec_pnt: 38.32142

Basic statistics of files

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Param	Original file	Final file
Filename	modeM0/AS1G08_025T01_9000002130_14463cztM0_level2.evt	modeM0/AS1G08_025T01_9000002130_14463cztM0_level2_quad_clean.evt
Size (bytes)	369,564,480	75,107,520
Size	352.4 MB	71.6 MB
Events in quadrant A	3,326,780	605,990
Events in quadrant B	398,424	113,213
Events in quadrant C	3,479,697	590,369
Events in quadrant D	3,616,143	583,233

Level1 data integrity

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Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	14821	480
B	0	15154	13355
C	0	15089	494
D	0	15995	585

Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	146	8
B	0	146	6
C	0	146	8
D	0	146	6

Mode M9
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	3	0
B	0	3	0
C	0	3	0
D	0	3	0

Data saturation

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Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	6839	128	1.871619%
B	892	2	0.224215%
C	6835	56	0.819312%
D	6842	136	1.987723%

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	7330	6914	7	7	0.10%	0.10%