ASTROSAT CZTI

Data Quality Report

Orbit 09590

Creation date: 2024-06-27T15:48:05.873132
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: 2017-07-06
time-obs: 21:13:14.648100000
date-end: 2017-07-07
time-end: 02:51:41.640000000
obs_id: G05_238T01_9000001364
exposure: 8534.86017867
sourceid: NGC 7469
observer: KPSingh19
ra_pnt: 345.8153
dec_pnt: 8.873689

Basic statistics of files

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Param	Original file	Final file
Filename	modeM0/AS1G05_238T01_9000001364_09590cztM0_level2.evt	modeM0/AS1G05_238T01_9000001364_09590cztM0_level2_quad_clean.evt
Size (bytes)	911,436,480	55,324,800
Size	869.2 MB	52.8 MB
Events in quadrant A	6,912,938	201,383
Events in quadrant B	5,968,325	207,839
Events in quadrant C	5,647,316	198,290
Events in quadrant D	8,209,359	185,079

Level1 data integrity

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Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	42708	13658
B	0	38238	11695
C	0	37258	11318
D	0	46605	13652

Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	375	129
B	0	375	109
C	0	374	112
D	0	370	106

Mode M9
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	19	6
B	0	18	7
C	0	19	6
D	0	19	5

Data saturation

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Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	12612	181	1.435141%
B	12834	97	0.755805%
C	12823	35	0.272947%
D	12588	762	6.053384%

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