Observation information
- date-obs: 2022-01-06
- time-obs: 18:04:34.759100000
- date-end: 2022-01-06
- time-end: 19:18:48.759600000
- obs_id: A11_046T03_9000004848
- exposure: 2453.62136002
- sourceid: NGC4485
- observer: samyaday
- ra_pnt: 187.633
- dec_pnt: 41.69272
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A11_046T03_9000004848_33935cztM0_level2.evt
| modeM0/AS1A11_046T03_9000004848_33935cztM0_level2_quad_clean.evt
|
| Size (bytes) | 299,496,960 | 48,225,600 |
| Size | 285.6 MB
| 46.0 MB
|
| Events in quadrant A | 2,613,929 | 307,395 |
| Events in quadrant B | 1,922,137 | 316,241 |
| Events in quadrant C | 1,797,131 | 315,766 |
| Events in quadrant D | 2,522,609 | 296,919 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 66 | 0 |
| B | 0 | 66 | 0 |
| C | 0 | 66 | 0 |
| D | 0 | 66 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13 | 0 |
| B | 0 | 13 | 0 |
| C | 0 | 13 | 0 |
| D | 0 | 13 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 9765 | 2 |
| B | 0 | 7742 | 1 |
| C | 0 | 7298 | 1 |
| D | 0 | 9651 | 1 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 3141 | 159 | 5.062082% |
| B | 3141 | 116 | 3.693091% |
| C | 3141 | 49 | 1.560013% |
| D | 3141 | 124 | 3.947787% |
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 | 4454 | 3142 | 116 | 116 | 2.60% | 3.69% |  |
| B | 4454 | 3142 | 67 | 67 | 1.50% | 2.13% |  |
| C | 4454 | 3142 | 28 | 28 | 0.63% | 0.89% |  |
| D | 4454 | 3142 | 91 | 91 | 2.04% | 2.90% |  |
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 | 15 | 169 | 1156406 | 15382.18 | 371 | 364 | 75.2 |
| A | 0 | 31 | 9456 | 120.98 | 371 | 364 | 75.2 |
| A | 10 | 83 | 7439 | 94.14 | 371 | 364 | 75.2 |
| B | 5 | 172 | 340226 | 4718.16 | 366 | 356 | 72.0 |
| B | 3 | 112 | 38399 | 528.12 | 366 | 356 | 72.0 |
| B | 0 | 229 | 28334 | 388.39 | 366 | 356 | 72.0 |
| C | 15 | 214 | 135398 | 1594.61 | 359 | 361 | 84.7 |
| C | 0 | 10 | 129046 | 1519.6 | 359 | 361 | 84.7 |
| C | 14 | 67 | 71692 | 842.32 | 359 | 361 | 84.7 |
| D | 8 | 195 | 465734 | 4856.08 | 354 | 347 | 95.8 |
| D | 8 | 230 | 213501 | 2224.15 | 354 | 347 | 95.8 |
| D | 13 | 249 | 188212 | 1960.28 | 354 | 347 | 95.8 |
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 |  |