ASTROSAT CZTI

Data Quality Report

Orbit 08685

Creation date: 2024-06-27T15:35:53.232688
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: 2017-05-06
time-obs: 19:58:15.165300000
date-end: 2017-05-06
time-end: 22:22:25.163800000
obs_id: G07_024T01_9000001206
exposure: 6198.87072179
sourceid: QSO B0836+71
observer: KPSingh19
ra_pnt: 130.3515
dec_pnt: 70.8951

Basic statistics of files

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Param	Original file	Final file
Filename	modeM0/AS1G07_024T01_9000001206_08685cztM0_level2.evt	modeM0/AS1G07_024T01_9000001206_08685cztM0_level2_quad_clean.evt
Size (bytes)	443,439,360	67,320,000
Size	422.9 MB	64.2 MB
Events in quadrant A	2,836,382	395,909
Events in quadrant B	3,395,232	412,219
Events in quadrant C	3,583,500	405,221
Events in quadrant D	3,188,409	387,285

Level1 data integrity

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Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	12882	3
B	0	14292	2
C	0	15044	2
D	0	13933	2

Mode M9
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	23	0
B	0	23	0
C	0	23	0
D	0	24	0

Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	128	0
B	0	128	0
C	0	128	0
D	0	128	0

Data saturation

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Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	6266	20	0.319183%
B	6266	95	1.516119%
C	6266	297	4.739866%
D	6266	54	0.861794%

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