ASTROSAT CZTI

Data Quality Report

Orbit 20170708_A03_009T01_9000001366_level2

Creation date: 2018-05-18T03:28:15.003324
Switch to: Orbit-wise | Merged OBSID-wise
web.py, SVN revision $Rev: 1121 $

Source files: Data quality report (detailed, human readable) | Data quality report (concise, machine readable)

Observation information

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date-obs: 2017-07-08
time-obs: 20:53:03.550200000
date-end: 2017-07-09
time-end: 07:46:38.536400000
obs_id: A03_009T01_9000001366
exposure: 14977.0101147
sourceid: IGR J16318-4848
observer: nirmal
ra_pnt: 247.9513
dec_pnt: -48.81681

Basic statistics of files

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Param	Original file	Final file
Filename	modeM0/AS1A03_009T01_9000001366cztM0_level2.evt	modeM0/AS1A03_009T01_9000001366cztM0_level2_quad_clean.evt
Size (bytes)	1,680,863,040	308,534,400
Size	1.6 GB	294.2 MB
Events in quadrant A	5,974,641	1,010,507
Events in quadrant B	13,578,860	2,248,543
Events in quadrant C	12,843,683	2,252,715
Events in quadrant D	16,826,722	2,123,395

Level1 data integrity

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Mode M9
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	51	0
B	0	54	0
C	0	54	0
D	0	53	0

Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	27047	0
B	0	58867	0
C	0	57777	0
D	0	69441	0

Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	578	0
B	0	576	0
C	0	576	0
D	0	584	0

Data saturation

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Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	13321	33	0.247729%
B	28337	160	0.564633%
C	28425	104	0.365875%
D	28277	653	2.309297%

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