ASTROSAT CZTI

Data Quality Report

Orbit 07637

Creation date: 2024-06-27T15:22:04.177628
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: 2017-02-25
time-obs: 02:48:59.476000000
date-end: 2017-02-25
time-end: 04:02:27.476400000
obs_id: G06_016T01_9000001052
exposure: 434.978391878
sourceid: Malin1
observer: kanak
ra_pnt: 189.2473
dec_pnt: 14.33037

Basic statistics of files

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Param	Original file	Final file
Filename	modeM0/AS1G06_016T01_9000001052_07637cztM0_level2.evt	modeM0/AS1G06_016T01_9000001052_07637cztM0_level2_quad_clean.evt
Size (bytes)	32,045,760	2,067,840
Size	30.6 MB	2.0 MB
Events in quadrant A	226,768	6,294
Events in quadrant B	234,702	7,072
Events in quadrant C	253,785	2,679
Events in quadrant D	221,487	6,756

Level1 data integrity

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Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	6233	5225
B	0	6323	5297
C	0	12203	11284
D	0	6754	5736

Mode M9
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	8	7
B	0	9	7
C	0	8	6
D	0	9	7

Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	63	53
B	0	67	61
C	0	65	55
D	0	64	54

Data saturation

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Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	504	0	0.000000%
B	511	1	0.195695%
C	234	3	1.282051%
D	506	0	0.000000%

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