ASTROSAT CZTI

Data Quality Report

Orbit 30757

Creation date: 2024-06-27T20:19:14.354269
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: 2021-06-05
time-obs: 23:40:49.692900000
date-end: 2021-06-06
time-end: 01:53:00.070500000
obs_id: A10_053T36_9000004442
exposure: 4190.88455641
sourceid: BMP43
observer: annapurni
ra_pnt: 12.78075
dec_pnt: -11.14219

Basic statistics of files

^TOP

Param	Original file	Final file
Filename	modeM0/AS1A10_053T36_9000004442_30757cztM0_level2.evt	modeM0/AS1A10_053T36_9000004442_30757cztM0_level2_quad_clean.evt
Size (bytes)	503,591,040	92,139,840
Size	480.3 MB	87.9 MB
Events in quadrant A	2,986,163	617,828
Events in quadrant B	5,029,662	620,789
Events in quadrant C	3,286,571	547,604
Events in quadrant D	3,555,293	598,261

Level1 data integrity

^TOP

Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	118	0
B	0	118	0
C	0	118	0
D	0	118	0

Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	12621	2
B	0	18858	2
C	0	13335	2
D	0	14464	2

Mode M9
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	21	0
B	0	22	0
C	0	22	0
D	0	22	0

Data saturation

^TOP

Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	5804	35	0.603032%
B	5804	232	3.997243%
C	5804	547	9.424535%
D	5804	55	0.947622%

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	7009	5804	5	5	0.07%	0.09%