ASTROSAT CZTI

Data Quality Report

Orbit 20210731_A10_082T10_9000004602_level2

Creation date: 2021-08-03T17:41:37.750115
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: 06:47:29.708600000
date-end: 2021-07-31
time-end: 16:11:03.051700000
obs_id: A10_082T10_9000004602
exposure: 20578.856711
sourceid: PN Hb 12
observer: nkrao
ra_pnt: 351.0617
dec_pnt: 58.18182

Basic statistics of files

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Param	Original file	Final file
Filename	modeM0/AS1A10_082T10_9000004602cztM0_level2_bc.evt	modeM0/AS1A10_082T10_9000004602cztM0_level2_quad_clean.evt
Size (bytes)	1,647,535,680	409,397,760
Size	1.5 GB	390.4 MB
Events in quadrant A	6,050,367	2,668,001
Events in quadrant B	16,420,024	2,634,927
Events in quadrant C	13,864,923	2,467,010
Events in quadrant D	11,473,528	2,522,468

Level1 data integrity

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Mode M9
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	29	0
B	0	29	0
C	0	29	0
D	0	29	0

Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	62579	0
B	0	98980	0
C	0	93868	0
D	0	80010	0

Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	626	0
B	0	626	0
C	0	626	0
D	0	626	0

Data saturation

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Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	30647	537	1.752211%
B	30647	1360	4.437628%
C	30647	2983	9.733416%
D	30647	1202	3.922080%

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	33815	30643	0	0	0.00%	0.00%