ASTROSAT CZTI

Data Quality Report

Orbit 16050

Creation date: 2024-06-27T17:17:16.257050
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: 2018-09-16
time-obs: 10:06:31.109400000
date-end: 2018-09-16
time-end: 12:27:41.108400000
obs_id: G08_012T01_9000002370
exposure: 2836.2803046
sourceid: M33
observer: hutchingsj
ra_pnt: 23.46167
dec_pnt: 30.72667

Basic statistics of files

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Param	Original file	Final file
Filename	modeM0/AS1G08_012T01_9000002370_16050cztM0_level2.evt	modeM0/AS1G08_012T01_9000002370_16050cztM0_level2_quad_clean.evt
Size (bytes)	539,928,000	39,726,720
Size	514.9 MB	37.9 MB
Events in quadrant A	3,567,462	199,434
Events in quadrant B	3,443,363	201,953
Events in quadrant C	4,922,313	168,451
Events in quadrant D	3,988,614	189,461

Level1 data integrity

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Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	14638	3
B	0	14275	2
C	0	18736	2
D	0	16089	2

Mode M9
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	22	0
B	0	22	0
C	0	22	0
D	0	23	0

Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	126	0
B	0	126	0
C	0	126	0
D	0	126	0

Data saturation

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Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	6351	171	2.692489%
B	6351	122	1.920957%
C	6351	624	9.825224%
D	6351	191	3.007400%

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