Observation information
- date-obs: 2021-07-24
- time-obs: 15:48:09.158900000
- date-end: 2021-07-25
- time-end: 22:55:00.187800000
- obs_id: T04_028T01_9000004584
- exposure: 47397.9180945
- sourceid: MAXI J1803-298
- observer: argha19
- ra_pnt: 270.759
- dec_pnt: -29.83019
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1T04_028T01_9000004584cztM0_level2_bc.evt
| modeM0/AS1T04_028T01_9000004584cztM0_level2_quad_clean.evt
|
| Size (bytes) | 4,336,882,560 | 1,033,663,680 |
| Size | 4.0 GB
| 985.8 MB
|
| Events in quadrant A | 19,868,589 | 6,689,220 |
| Events in quadrant B | 51,409,796 | 6,204,727 |
| Events in quadrant C | 20,491,059 | 6,462,968 |
| Events in quadrant D | 33,829,195 | 6,156,897 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 1718 | 0 |
| B | 0 | 1714 | 0 |
| C | 0 | 1716 | 0 |
| D | 0 | 1714 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 182036 | 0 |
| B | 0 | 308972 | 0 |
| C | 0 | 187398 | 0 |
| D | 0 | 226672 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 149 | 0 |
| B | 0 | 149 | 0 |
| C | 0 | 150 | 0 |
| D | 0 | 150 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 84505 | 1424 | 1.685107% |
| B | 84392 | 11817 | 14.002512% |
| C | 84556 | 2570 | 3.039406% |
| D | 84545 | 3396 | 4.016796% |
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 | 112012 | 84651 | 45 | 45 | 0.04% | 0.05% |  |
| B | 112012 | 84447 | 1881 | 1881 | 1.68% | 2.23% |  |
| C | 112012 | 84707 | 68 | 68 | 0.06% | 0.08% |  |
| D | 112012 | 84681 | 754 | 754 | 0.67% | 0.89% |  |
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 | 0 | 13 | 2121282 | 2147.7 | 4589 | 4514 | 985.6 |
| A | 13 | 254 | 141249 | 138.73 | 4589 | 4514 | 985.6 |
| A | 0 | 226 | 29258 | 25.11 | 4589 | 4514 | 985.6 |
| B | 6 | 159 | 20638660 | 25426.54 | 4278 | 4175 | 811.5 |
| B | 12 | 1 | 12410287 | 15287.25 | 4278 | 4175 | 811.5 |
| B | 4 | 80 | 517036 | 631.97 | 4278 | 4175 | 811.5 |
| C | 0 | 10 | 1636956 | 1567.36 | 4415 | 4399 | 1041.6 |
| C | 3 | 233 | 1235282 | 1181.73 | 4415 | 4399 | 1041.6 |
| C | 10 | 22 | 211983 | 199.29 | 4415 | 4399 | 1041.6 |
| D | 8 | 195 | 10751486 | 10586.73 | 4433 | 4287 | 1015.2 |
| D | 12 | 218 | 2822186 | 2775.82 | 4433 | 4287 | 1015.2 |
| D | 13 | 249 | 1033008 | 1013.36 | 4433 | 4287 | 1015.2 |
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 |  |