ASTROSAT CZTI

Data Quality Report

Orbit 32626

Creation date: 2024-06-27T20:40:14.248571
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: 2021-10-10
time-obs: 06:13:47.935300000
date-end: 2021-10-10
time-end: 08:23:53.886200000
obs_id: T04_057T01_9000004720
exposure: 4265.96760286
sourceid: RS Oph
observer: skrout
ra_pnt: 267.5548
dec_pnt: -6.707888

Basic statistics of files

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Param	Original file	Final file
Filename	modeM0/AS1T04_057T01_9000004720_32626cztM0_level2.evt	modeM0/AS1T04_057T01_9000004720_32626cztM0_level2_quad_clean.evt
Size (bytes)	192,006,720	22,492,800
Size	183.1 MB	21.5 MB
Events in quadrant A	0	0
Events in quadrant B	0	0
Events in quadrant C	0	0
Events in quadrant D	5,725,497	583,723

Level1 data integrity

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Mode M9
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	1	0	0
B	1	0	0
C	1	0	0
D	1	27	0

Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	1	0	0
B	1	0	0
C	1	0	0
D	1	20719	3

Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	1	0	0
B	1	0	0
C	1	0	0
D	1	106	0

Data saturation

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Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	0	0	-nan%
B	0	0	-nan%
C	0	0	-nan%
D	5124	1571	30.659641%

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
A	7127	5125	486	486	6.82%	9.48%