ASTROSAT CZTI

Data Quality Report

Orbit 30232

Creation date: 2024-06-27T20:12:27.110625
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: 2021-05-01
time-obs: 10:31:07.360700000
date-end: 2021-05-01
time-end: 16:11:19.360400000
obs_id: A10_007T01_9000004350
exposure: 11084.7165457
sourceid: PDS 456
observer: Gordon
ra_pnt: 262.0829
dec_pnt: -14.26556

Basic statistics of files

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Param	Original file	Final file
Filename	modeM0/AS1A10_007T01_9000004350_30232cztM0_level2.evt	modeM0/AS1A10_007T01_9000004350_30232cztM0_level2_quad_clean.evt
Size (bytes)	1,481,405,760	226,874,880
Size	1.4 GB	216.4 MB
Events in quadrant A	8,813,226	1,413,607
Events in quadrant B	14,176,223	1,420,186
Events in quadrant C	9,575,393	1,388,699
Events in quadrant D	11,045,427	1,367,093

Level1 data integrity

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Mode M9
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	18	0
B	0	18	0
C	0	18	0
D	0	18	0

Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	378	0
B	0	378	0
C	0	378	0
D	0	378	0

Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	38170	3
B	0	56191	3
C	0	39825	3
D	0	44663	3

Data saturation

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Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	18602	183	0.983765%
B	18603	289	1.553513%
C	18603	323	1.736279%
D	18602	336	1.806257%

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