ASTROSAT CZTI

Data Quality Report

Orbit 09544

Creation date: 2024-06-27T15:47:31.421866
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: 2017-07-03
time-obs: 21:39:31.737000000
date-end: 2017-07-03
time-end: 23:58:19.739900000
obs_id: G07_049T01_9000001352
exposure: 4702.42380431
sourceid: 4U 1626-67
observer: dedhia
ra_pnt: 248.07
dec_pnt: -67.46091

Basic statistics of files

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Param	Original file	Final file
Filename	modeM0/AS1G07_049T01_9000001352_09544cztM0_level2.evt	modeM0/AS1G07_049T01_9000001352_09544cztM0_level2_quad_clean.evt
Size (bytes)	302,823,360	86,264,640
Size	288.8 MB	82.3 MB
Events in quadrant A	2,893,781	745,409
Events in quadrant B	3,015,107	739,323
Events in quadrant C	2,714,295	744,755
Events in quadrant D	216,064	41,977

Level1 data integrity

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

Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	16288	3454
B	0	16741	3533
C	0	15802	3170
D	0	17512	16643

Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	162	32
B	0	162	24
C	0	160	28
D	0	162	38

Data saturation

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Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	6171	50	0.810241%
B	6165	108	1.751825%
C	6254	32	0.511673%
D	349	2	0.573066%

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)
A	8328	6839	0	0	0.00%	0.00%
B	8327	6834	36	36	0.43%	0.53%
C	8328	6898	0	0	0.00%	0.00%