Observation information
- date-obs: 2023-04-17
- time-obs: 00:00:26.870800000
- date-end: 2023-04-17
- time-end: 02:34:08.864400000
- obs_id: A12_104T02_9000005572
- exposure: 4832.57591844
- sourceid: Oj 287
- observer: chandrasunil
- ra_pnt: 133.7036
- dec_pnt: 20.10851
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A12_104T02_9000005572_40825cztM0_level2.fits
| modeM0/AS1A12_104T02_9000005572_40825cztM0_level2_quad_clean.evt
|
Size (bytes) | 300,755,520 | 84,323,520 |
Size | 286.8 MB
| 80.4 MB
|
Events in quadrant A | 2,870,982 | 565,521 |
Events in quadrant B | 2,281,339 | 585,855 |
Events in quadrant C | 2,500,940 | 553,563 |
Events in quadrant D | 3,084,556 | 493,678 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 42 | 0 |
B | 0 | 42 | 0 |
C | 0 | 42 | 0 |
D | 0 | 42 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 11571 | 3 |
B | 0 | 10333 | 2 |
C | 0 | 10583 | 2 |
D | 0 | 12858 | 2 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 104 | 0 |
B | 0 | 104 | 0 |
C | 0 | 104 | 0 |
D | 0 | 104 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 5066 | 32 | 0.631662% |
B | 5066 | 14 | 0.276352% |
C | 5066 | 31 | 0.611923% |
D | 5066 | 207 | 4.086064% |
Noise dominated fraction
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 | 9222 | 5068 | 22 | 22 | 0.24% | 0.43% |  |
B | 9222 | 5068 | 2 | 2 | 0.02% | 0.04% |  |
C | 9222 | 5068 | 33 | 33 | 0.36% | 0.65% |  |
D | 9222 | 5068 | 154 | 154 | 1.67% | 3.04% |  |
Top noisy pixels
Top three noisy pixels from each quadrant. If the there are fewer than three noisy pixels in the level2.evt file, extra rows are filled as -1
Pixel properties |
Quadrant properties |
Quadrant |
DetID |
PixID |
Counts |
Sigma |
Mean |
Median |
Sigma |
A | 10 | 83 | 468002 | 4037.0 | 562 | 550 | 115.8 |
A | 13 | 248 | 181345 | 1561.38 | 562 | 550 | 115.8 |
A | 6 | 10 | 22824 | 192.36 | 562 | 550 | 115.8 |
B | 0 | 190 | 36298 | 326.6 | 560 | 544 | 109.5 |
B | 15 | 32 | 21546 | 191.85 | 560 | 544 | 109.5 |
B | 12 | 111 | 13937 | 122.34 | 560 | 544 | 109.5 |
C | 15 | 214 | 216884 | 1692.7 | 547 | 551 | 127.8 |
C | 0 | 10 | 120916 | 941.8 | 547 | 551 | 127.8 |
C | 14 | 254 | 20624 | 157.06 | 547 | 551 | 127.8 |
D | 13 | 249 | 506857 | 3815.75 | 536 | 521 | 132.7 |
D | 2 | 249 | 381148 | 2868.41 | 536 | 521 | 132.7 |
D | 1 | 47 | 69292 | 518.26 | 536 | 521 | 132.7 |
Detector plane histogram (DPH)
Histogram calculated using DETX and DETY for each event in the final _common_clean file
Quadrant A |
 |
 |
Quadrant B |
Quadrant D |
 |
 |
Quadrant C |
Count rate plots and images
Plot type |
Count rate plots |
Images |
Comparison with Poisson distribution
Blue bars denote a histogram of data divided into 1 sec bins.
Red curve is a Poisson curve with rate = median count rate of data. |
 |
 |
Quadrant-wise count rates
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant A
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant B
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant C
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant D
Data is divided into 100 sec bins |
 |
 |
Housekeeping plots
Parameter |
Plot |
CZT HV Monitor |  |
D_VDD |  |
Temperature 1 |  |
Veto HV Monitor |  |
Veto LLD |  |
Alpha Counter |  |
_CPM_Rate |  |
CZT Counter |  |
+2.5 Volts monitor |  |
+5 Volts monitor |  |
_ROLL_ROT |  |
_Roll_DEC |  |
_Roll_RA |  |
Veto Counter |  |