ASTROSAT CZTI

Data Quality Report

Orbit 01296

Creation date: 2024-06-27T14:10:34.286320
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: 2015-12-24
time-obs: 15:08:48.504800000
date-end: 2015-12-24
time-end: 17:11:21.051900000
obs_id: G04_002T02_9000000230
exposure: 6375.78279835
sourceid: A2387
observer: KPSingh19
ra_pnt: 324.6625
dec_pnt: 83.11166

Basic statistics of files

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Param	Original file	Final file
Filename	modeM0/AS1G04_002T02_9000000230_01296cztM0_level2.evt	modeM0/AS1G04_002T02_9000000230_01296cztM0_level2_quad_clean.evt
Size (bytes)	1,443,075,840	94,849,920
Size	1.3 GB	90.5 MB
Events in quadrant A	9,060,443	635,174
Events in quadrant B	8,818,838	647,996
Events in quadrant C	8,190,529	627,889
Events in quadrant D	17,194,749	494,215

Level1 data integrity

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Mode M9
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	7	0
B	0	7	0
C	0	7	0
D	0	7	0

Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	31736	2
B	0	30934	1
C	0	29052	1
D	0	56186	1

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

Data saturation

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Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	6678	308	4.612159%
B	6678	36	0.539084%
C	6678	17	0.254567%
D	6678	2849	42.662474%

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)
A	7353	6678	699	699	9.51%	10.47%
B	7353	6679	411	411	5.59%	6.15%
C	7353	6678	191	191	2.60%	2.86%