ASTROSAT CZTI

Data Quality Report

Orbit 09905

Creation date: 2024-06-27T15:52:19.790786
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: 2017-07-28
time-obs: 07:03:49.953800000
date-end: 2017-07-28
time-end: 09:14:44.960300000
obs_id: A03_053T01_9000001410
exposure: 2450.87043996
sourceid: GRS 1758-258
observer: Radhika
ra_pnt: 270.3017
dec_pnt: -25.74336

Basic statistics of files

^TOP

Param	Original file	Final file
Filename	modeM0/AS1A03_053T01_9000001410_09905cztM0_level2.evt	modeM0/AS1A03_053T01_9000001410_09905cztM0_level2_quad_clean.evt
Size (bytes)	360,406,080	51,292,800
Size	343.7 MB	48.9 MB
Events in quadrant A	2,900,231	360,638
Events in quadrant B	1,216,849	130,501
Events in quadrant C	2,679,010	364,257
Events in quadrant D	3,766,909	336,314

Level1 data integrity

^TOP

Mode M9
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	2	0
B	0	2	0
C	0	2	0
D	0	2	0

Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	153	25
B	0	154	32
C	0	154	40
D	0	154	34

Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	16402	3798
B	0	16242	10846
C	0	15686	3486
D	0	19227	4517

Data saturation

^TOP

Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	5933	142	2.393393%
B	2638	4	0.151630%
C	5952	89	1.495296%
D	5830	136	2.332762%

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	7855	6849	23	23	0.29%	0.34%