ASTROSAT CZTI

Data Quality Report

Orbit 20210802_C06_010T02_9000004618_level2

Creation date: 2021-08-05T11:43:39.250585
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

^TOP

date-obs: 2021-08-02
time-obs: 19:50:47.972200000
date-end: 2021-08-02
time-end: 23:37:43.966300000
obs_id: C06_010T02_9000004618
exposure: 6145.35345794
sourceid: NGC 188
observer: annapurni
ra_pnt: 12.08
dec_pnt: 85.15722

Basic statistics of files

^TOP

Param	Original file	Final file
Filename	modeM0/AS1C06_010T02_9000004618cztM0_level2_bc.evt	modeM0/AS1C06_010T02_9000004618cztM0_level2_quad_clean.evt
Size (bytes)	321,168,960	139,285,440
Size	306.3 MB	132.8 MB
Events in quadrant A	1,514,055	959,102
Events in quadrant B	3,610,964	968,361
Events in quadrant C	1,639,473	955,213
Events in quadrant D	2,530,911	900,841

Level1 data integrity

^TOP

Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	13483	0
B	0	20707	0
C	0	14485	0
D	0	17083	0

Mode M9
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	19	0
B	0	19	0
C	0	19	0
D	0	19	0

Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	126	0
B	0	126	0
C	0	122	0
D	0	126	0

Data saturation

^TOP

Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	6256	36	0.575448%
B	6231	167	2.680148%
C	6252	154	2.463212%
D	6238	240	3.847387%

Noise dominated fraction

^TOP

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	13247	6307	0	0	0.00%	0.00%