ASTROSAT CZTI

Data Quality Report

Orbit 20210731_A10_094T72_9000004604_level2

Creation date: 2021-08-03T13:12:25.652526
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: 2021-07-31
time-obs: 16:33:33.511100000
date-end: 2021-07-31
time-end: 19:46:17.044800000
obs_id: A10_094T72_9000004604
exposure: 9140.33780612
sourceid: LMC-72
observer: dthilker
ra_pnt: 76.71423
dec_pnt: -68.64899

Basic statistics of files

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Param	Original file	Final file
Filename	modeM0/AS1A10_094T72_9000004604cztM0_level2_bc.evt	modeM0/AS1A10_094T72_9000004604cztM0_level2_quad_clean.evt
Size (bytes)	476,424,000	188,426,880
Size	454.4 MB	179.7 MB
Events in quadrant A	2,053,473	1,324,680
Events in quadrant B	5,110,248	1,293,546
Events in quadrant C	2,242,252	1,275,546
Events in quadrant D	4,381,296	1,166,370

Level1 data integrity

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

Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	19557	0
B	0	30535	0
C	0	20292	0
D	0	29306	0

Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	192	0
B	0	192	0
C	0	192	0
D	0	192	0

Data saturation

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Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	9325	44	0.471850%
B	9325	387	4.150134%
C	9325	147	1.576408%
D	9325	871	9.340483%

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	11565	9323	0	0	0.00%	0.00%