Observation information
- date-obs: 2023-04-18
- time-obs: 19:41:52.743900000
- date-end: 2023-04-18
- time-end: 22:04:40.736100000
- obs_id: A12_104T02_9000005572
- exposure: 3907.82088953
- 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_40852cztM0_level2.fits
| modeM0/AS1A12_104T02_9000005572_40852cztM0_level2_quad_clean.evt
|
Size (bytes) | 416,082,240 | 84,502,080 |
Size | 396.8 MB
| 80.6 MB
|
Events in quadrant A | 2,843,680 | 593,958 |
Events in quadrant B | 2,503,842 | 619,375 |
Events in quadrant C | 2,746,945 | 576,482 |
Events in quadrant D | 6,921,586 | 420,756 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 35 | 0 |
B | 0 | 35 | 0 |
C | 0 | 35 | 0 |
D | 0 | 36 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 11480 | 3 |
B | 0 | 10815 | 2 |
C | 0 | 11172 | 2 |
D | 0 | 23994 | 2 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 102 | 0 |
B | 0 | 102 | 0 |
C | 0 | 102 | 0 |
D | 0 | 102 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 4963 | 34 | 0.685070% |
B | 4963 | 22 | 0.443280% |
C | 4963 | 80 | 1.611928% |
D | 4963 | 1262 | 25.428168% |
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 | 7084 | 4964 | 17 | 17 | 0.24% | 0.34% |  |
B | 7084 | 4964 | 8 | 8 | 0.11% | 0.16% |  |
C | 7084 | 4964 | 78 | 78 | 1.10% | 1.57% |  |
D | 7084 | 4964 | 1423 | 1423 | 20.09% | 28.67% |  |
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 | 461659 | 4000.37 | 562 | 552 | 115.3 |
A | 13 | 248 | 104400 | 900.94 | 562 | 552 | 115.3 |
A | 12 | 189 | 54044 | 464.07 | 562 | 552 | 115.3 |
B | 7 | 202 | 148792 | 1365.95 | 565 | 550 | 108.5 |
B | 4 | 171 | 89598 | 820.52 | 565 | 550 | 108.5 |
B | 0 | 190 | 23570 | 212.11 | 565 | 550 | 108.5 |
C | 14 | 254 | 211097 | 1653.18 | 547 | 552 | 127.4 |
C | 15 | 214 | 210824 | 1651.03 | 547 | 552 | 127.4 |
C | 0 | 10 | 178680 | 1398.64 | 547 | 552 | 127.4 |
D | 12 | 79 | 4560516 | 36258.7 | 507 | 493 | 125.8 |
D | 13 | 249 | 225736 | 1791.0 | 507 | 493 | 125.8 |
D | 2 | 249 | 166100 | 1316.81 | 507 | 493 | 125.8 |
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 |  |