ASTROSAT CZTI

Data Quality Report

Orbit 41243

Creation date: 2024-06-27T22:26:24.388152
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: 2023-05-15
time-obs: 05:15:11.254700000
date-end: 2023-05-15
time-end: 06:33:42.256300000
obs_id: T05_102T01_9000005634
exposure: 3264.67938203
sourceid: IGR J17498-2921
observer: rsharmaphys
ra_pnt: 267.4806
dec_pnt: -29.32211

Basic statistics of files

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Param	Original file	Final file
Filename	modeM0/AS1T05_102T01_9000005634_41243cztM0_level2.fits	modeM0/AS1T05_102T01_9000005634_41243cztM0_level2_quad_clean.evt
Size (bytes)	286,404,480	64,699,200
Size	273.1 MB	61.7 MB
Events in quadrant A	2,634,633	448,673
Events in quadrant B	2,707,626	425,324
Events in quadrant C	2,607,054	429,162
Events in quadrant D	2,368,648	398,508

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	11	0

Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	10130	1
B	0	10249	1
C	0	9984	1
D	0	9331	1

Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	74	0
B	0	74	0
C	0	74	0
D	0	74	0

Data saturation

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Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	3636	89	2.447745%
B	3636	357	9.818482%
C	3636	126	3.465347%
D	3636	148	4.070407%

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	3636	3636	75	75	2.06%	2.06%
B	3636	3636	306	306	8.42%	8.42%
C	3636	3636	119	119	3.27%	3.27%