ASTROSAT CZTI

Data Quality Report

Orbit 08144

Creation date: 2024-06-27T15:28:37.610265
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: 2017-03-31
time-obs: 08:05:00.449400000
date-end: 2017-03-31
time-end: 10:13:23.422000000
obs_id: A03_051T01_9000001120
exposure: 3175.29148778
sourceid: MCG-6-30-15
observer: Gordon
ra_pnt: 203.9738
dec_pnt: -34.29554

Basic statistics of files

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Param	Original file	Final file
Filename	modeM0/AS1A03_051T01_9000001120_08144cztM0_level2.evt	modeM0/AS1A03_051T01_9000001120_08144cztM0_level2_quad_clean.evt
Size (bytes)	439,824,960	67,587,840
Size	419.4 MB	64.5 MB
Events in quadrant A	3,340,551	396,900
Events in quadrant B	3,230,471	400,834
Events in quadrant C	3,171,618	398,005
Events in quadrant D	3,122,938	384,731

Level1 data integrity

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Mode M9
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	10	0
B	0	10	0
C	0	10	0
D	0	10	0

Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	136	0
B	0	136	0
C	0	136	0
D	0	136	2

Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	14550	76
B	0	14026	87
C	0	14101	91
D	0	14087	89

Data saturation

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Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	6690	136	2.032885%
B	6685	84	1.256545%
C	6682	69	1.032625%
D	6683	68	1.017507%

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