ASTROSAT CZTI

Data Quality Report

Orbit 05349

Creation date: 2024-06-27T14:54:10.075698
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: 2016-09-23
time-obs: 04:39:23.148600000
date-end: 2016-09-23
time-end: 10:31:35.130600000
obs_id: G05_152T01_9000000676
exposure: 14229.6727887
sourceid: NGC 1672
observer: stalin
ra_pnt: 71.42709
dec_pnt: -59.24722

Basic statistics of files

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Param	Original file	Final file
Filename	modeM0/AS1G05_152T01_9000000676_05349cztM0_level2.evt	modeM0/AS1G05_152T01_9000000676_05349cztM0_level2_quad_clean.evt
Size (bytes)	1,349,758,080	228,888,000
Size	1.3 GB	218.3 MB
Events in quadrant A	8,561,833	1,458,460
Events in quadrant B	8,785,869	1,439,800
Events in quadrant C	8,614,763	1,484,162
Events in quadrant D	13,667,463	1,279,254

Level1 data integrity

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Mode M9
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	4	0
B	0	4	0
C	0	4	0
D	0	4	0

Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	43684	4198
B	0	45507	7299
C	0	43305	4178
D	0	61806	8816

Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	416	44
B	0	416	46
C	0	416	32
D	0	415	33

Data saturation

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Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	18822	544	2.890235%
B	17685	613	3.466214%
C	18781	400	2.129812%
D	18181	1716	9.438425%

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	21132	20256	53	53	0.25%	0.26%