ASTROSAT CZTI

Data Quality Report

Orbit 20220526_T04_069T01_9000005158_level2

Creation date: 2022-08-26T13:53:10.507222
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: 2022-05-26
time-obs: 09:03:41.399700000
date-end: 2022-06-05
time-end: 17:07:07.544500000
obs_id: T04_069T01_9000005158
exposure: 377390.765657
sourceid: mcg-6-30-15
observer: Gordon
ra_pnt: 203.975
dec_pnt: -34.29556

Basic statistics of files

^TOP

Param	Original file	Final file
Filename	modeM0/AS1T04_069T01_9000005158cztM0_level2.evt	modeM0/AS1T04_069T01_9000005158cztM0_level2_quad_clean.evt
Size (bytes)	56,498,408,640	7,659,132,480
Size	52.6 GB	7.1 GB
Events in quadrant A	309,694,524	49,392,578
Events in quadrant B	410,612,002	48,079,220
Events in quadrant C	431,144,832	46,784,543
Events in quadrant D	516,791,637	44,080,675

Level1 data integrity

^TOP

Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	1317915	0
B	0	1626190	0
C	0	1672341	0
D	0	1963024	0

Mode M9
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	2400	0
B	0	2400	0
C	0	2399	0
D	0	2400	0

Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	13040	0
B	0	13038	0
C	0	13034	0
D	0	13042	0

Data saturation

^TOP

Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	637251	1169	0.183444%
B	637216	29668	4.655878%
C	637082	35852	5.627533%
D	637111	48222	7.568854%

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	891271	637557	310	310	0.03%	0.05%