ASTROSAT CZTI

Data Quality Report

Orbit 38999

Creation date: 2024-06-27T21:59:08.921304
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: 2022-12-14
time-obs: 15:15:16.587500000
date-end: 2022-12-14
time-end: 17:43:35.063400000
obs_id: A12_095T02_9000005420
exposure: 4236.16655463
sourceid: MID-1-153518
observer: ramyas
ra_pnt: 122.1962
dec_pnt: 35.4344

Basic statistics of files

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Param	Original file	Final file
Filename	modeM0/AS1A12_095T02_9000005420_38999cztM0_level2.fits	modeM0/AS1A12_095T02_9000005420_38999cztM0_level2_quad_clean.evt
Size (bytes)	367,136,640	93,962,880
Size	350.1 MB	89.6 MB
Events in quadrant A	4,750,112	583,594
Events in quadrant B	2,512,176	676,906
Events in quadrant C	2,855,228	649,098
Events in quadrant D	3,093,981	594,747

Level1 data integrity

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Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	17439	2
B	0	10480	2
C	0	11567	2
D	0	12554	2

Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	98	0
B	0	98	0
C	0	98	0
D	0	98	0

Mode M9
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	40	0
B	0	40	0
C	0	40	0
D	0	41	0

Data saturation

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Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	4867	670	13.766180%
B	4867	16	0.328745%
C	4867	38	0.780768%
D	4867	104	2.136840%

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)	Marked lightcurve