ASTROSAT CZTI

Data Quality Report

Orbit 09645

Creation date: 2024-06-27T15:48:51.035838
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: 2017-07-10
time-obs: 17:29:54.552300000
date-end: 2017-07-10
time-end: 19:42:47.559500000
obs_id: A03_077T01_9000001372
exposure: 627.464991882
sourceid: 3FGLJ1656.2-3303
observer: SHAHZAHIR
ra_pnt: 254.0702
dec_pnt: -33.03641

Basic statistics of files

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Param	Original file	Final file
Filename	modeM0/AS1A03_077T01_9000001372_09645cztM0_level2.evt	modeM0/AS1A03_077T01_9000001372_09645cztM0_level2_quad_clean.evt
Size (bytes)	79,352,640	13,345,920
Size	75.7 MB	12.7 MB
Events in quadrant A	636,018	95,159
Events in quadrant B	664,359	93,131
Events in quadrant C	622,968	93,147
Events in quadrant D	388,682	25,589

Level1 data integrity

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Mode M9
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	4	1
B	0	4	2
C	0	4	1
D	0	5	4

Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	150	112
B	0	151	113
C	0	147	118
D	0	149	115

Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	15437	12633
B	0	16085	13225
C	0	15340	12536
D	0	20752	19060

Data saturation

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Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	1379	2	0.145033%
B	1396	7	0.501433%
C	1383	4	0.289226%
D	813	2	0.246002%

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	Noise dominated (total time)	Noise dominated (detector-on time)
A	7967	2367	0.00%	0.00%
B	7967	2394	0.00%	0.00%
C	7967	2375	0.00%	0.00%