ASTROSAT CZTI

Data Quality Report

Orbit 06728

Creation date: 2024-06-27T15:10:51.340665
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: 2016-12-25
time-obs: 13:44:45.899700000
date-end: 2016-12-25
time-end: 16:33:15.896600000
obs_id: C02_003T01_9000000924
exposure: 1350.67403936
sourceid: Sky-3
observer: jsyadav
ra_pnt: 129.4801
dec_pnt: -27.88971

Basic statistics of files

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Param	Original file	Final file
Filename	modeM0/AS1C02_003T01_9000000924_06728cztM0_level2.evt	modeM0/AS1C02_003T01_9000000924_06728cztM0_level2_quad_clean.evt
Size (bytes)	171,869,760	9,918,720
Size	163.9 MB	9.5 MB
Events in quadrant A	1,247,087	30,690
Events in quadrant B	1,299,937	33,515
Events in quadrant C	1,207,218	30,494
Events in quadrant D	1,282,482	29,440

Level1 data integrity

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Mode M9
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	22	10
B	0	23	8
C	0	24	12
D	0	24	10

Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	189	139
B	0	189	141
C	0	181	123
D	0	179	128

Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	18688	13441
B	0	18927	13470
C	0	18732	13612
D	0	19302	13919

Data saturation

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Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	2438	58	2.378999%
B	2458	68	2.766477%
C	2368	57	2.407095%
D	2432	50	2.055921%

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