ASTROSAT CZTI

Data Quality Report

Orbit 10650

Creation date: 2024-06-27T16:01:59.470572
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: 2017-09-16
time-obs: 14:29:53.607700000
date-end: 2017-09-16
time-end: 16:20:18.602600000
obs_id: T01_191T01_9000001536
exposure: 3518.57945908
sourceid: MAXIJ1535-571
observer: mithunnps
ra_pnt: 233.8322
dec_pnt: -57.23003

Basic statistics of files

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Param	Original file	Final file
Filename	modeM0/AS1T01_191T01_9000001536_10650cztM0_level2.evt	modeM0/AS1T01_191T01_9000001536_10650cztM0_level2_quad_clean.evt
Size (bytes)	446,924,160	83,073,600
Size	426.2 MB	79.2 MB
Events in quadrant A	2,747,591	554,694
Events in quadrant B	4,390,274	518,276
Events in quadrant C	3,014,849	543,950
Events in quadrant D	3,012,375	516,910

Level1 data integrity

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Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	112	0
B	0	112	0
C	0	112	0
D	0	112	0

Mode M9
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	12	0
B	0	12	0
C	0	12	0
D	0	12	0

Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	11818	2
B	0	16654	1
C	0	12646	1
D	0	12776	1

Data saturation

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Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	5450	20	0.366972%
B	5450	549	10.073394%
C	5450	102	1.871560%
D	5450	105	1.926606%

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