ASTROSAT CZTI

Data Quality Report

Orbit 30755

Creation date: 2024-06-27T20:19:13.577319
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: 2021-06-05
time-obs: 22:02:29.692900000
date-end: 2021-06-06
time-end: 00:19:05.070000000
obs_id: A10_053T36_9000004442
exposure: 4576.22558144
sourceid: BMP43
observer: annapurni
ra_pnt: 12.78075
dec_pnt: -11.14219

Basic statistics of files

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Param	Original file	Final file
Filename	modeM0/AS1A10_053T36_9000004442_30755cztM0_level2.evt	modeM0/AS1A10_053T36_9000004442_30755cztM0_level2_quad_clean.evt
Size (bytes)	560,822,400	95,293,440
Size	534.8 MB	90.9 MB
Events in quadrant A	3,419,692	616,256
Events in quadrant B	5,416,552	617,237
Events in quadrant C	3,558,129	601,868
Events in quadrant D	4,143,855	590,811

Level1 data integrity

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Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	132	0
B	0	132	0
C	0	132	0
D	0	132	0

Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	14409	2
B	0	20665	2
C	0	14698	2
D	0	16793	2

Mode M9
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	16	0
B	0	17	0
C	0	17	0
D	0	17	0

Data saturation

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Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	6599	48	0.727383%
B	6599	145	2.197303%
C	6599	129	1.954842%
D	6599	99	1.500227%

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	7664	6599	7	7	0.09%	0.11%