Observation information
- date-obs: 2023-04-18
- time-obs: 13:05:12.763800000
- date-end: 2023-04-18
- time-end: 15:08:56.757300000
- obs_id: A12_104T02_9000005572
- exposure: 4806.0707497
- 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_40847cztM0_level2.fits
| modeM0/AS1A12_104T02_9000005572_40847cztM0_level2_quad_clean.evt
|
| Size (bytes) | 440,982,720 | 88,220,160 |
| Size | 420.6 MB
| 84.1 MB
|
| Events in quadrant A | 3,177,639 | 607,540 |
| Events in quadrant B | 2,425,822 | 620,335 |
| Events in quadrant C | 3,680,597 | 572,291 |
| Events in quadrant D | 6,610,868 | 484,371 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 18 | 0 |
| B | 0 | 18 | 0 |
| C | 0 | 18 | 0 |
| D | 0 | 19 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13042 | 3 |
| B | 0 | 11216 | 2 |
| C | 0 | 14520 | 2 |
| D | 0 | 23516 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 114 | 0 |
| B | 0 | 114 | 0 |
| C | 0 | 114 | 0 |
| D | 0 | 114 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 5518 | 51 | 0.924248% |
| B | 5518 | 22 | 0.398695% |
| C | 5518 | 250 | 4.530627% |
| D | 5518 | 850 | 15.404132% |
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 | 7190 | 5519 | 27 | 27 | 0.38% | 0.49% |  |
| B | 7190 | 5519 | 6 | 6 | 0.08% | 0.11% |  |
| C | 7190 | 5519 | 193 | 193 | 2.68% | 3.50% |  |
| D | 7190 | 5519 | 880 | 880 | 12.24% | 15.94% |  |
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 | 519738 | 4173.19 | 602 | 590 | 124.4 |
| A | 13 | 248 | 259798 | 2083.65 | 602 | 590 | 124.4 |
| A | 12 | 189 | 51799 | 411.65 | 602 | 590 | 124.4 |
| B | 4 | 171 | 62632 | 532.94 | 597 | 580 | 116.4 |
| B | 12 | 111 | 14561 | 120.08 | 597 | 580 | 116.4 |
| B | 11 | 111 | 13434 | 110.4 | 597 | 580 | 116.4 |
| C | 14 | 254 | 999211 | 7361.91 | 580 | 583 | 135.6 |
| C | 15 | 214 | 230044 | 1691.59 | 580 | 583 | 135.6 |
| C | 0 | 10 | 143966 | 1057.02 | 580 | 583 | 135.6 |
| D | 12 | 79 | 3777563 | 27082.58 | 566 | 551 | 139.5 |
| D | 13 | 249 | 348804 | 2497.1 | 566 | 551 | 139.5 |
| D | 12 | 16 | 144544 | 1032.48 | 566 | 551 | 139.5 |
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 |  |