ASTROSAT CZTI

Data Quality Report

Orbit 03735

Creation date: 2024-06-27T14:33:00.649635
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: 2016-06-06
time-obs: 08:58:22.371600000
date-end: 2016-06-06
time-end: 11:14:50.368100000
obs_id: G05_248T01_9000000486
exposure: 4496.73805609
sourceid: ngc 4051
observer: stalin
ra_pnt: 180.79
dec_pnt: 44.53139

Basic statistics of files

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Param	Original file	Final file
Filename	modeM0/AS1G05_248T01_9000000486_03735cztM0_level2.evt	modeM0/AS1G05_248T01_9000000486_03735cztM0_level2_quad_clean.evt
Size (bytes)	700,320,960	78,013,440
Size	667.9 MB	74.4 MB
Events in quadrant A	3,592,468	532,120
Events in quadrant B	10,869,375	340,473
Events in quadrant C	3,064,684	523,186
Events in quadrant D	3,239,162	509,092

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

Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	14807	3
B	0	36660	2
C	0	13553	2
D	0	14118	2

Data saturation

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Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	6543	224	3.423506%
B	6543	3518	53.767385%
C	6543	123	1.879872%
D	6543	162	2.475928%

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	7678	6543	37	37	0.48%	0.57%