Observation information
- date-obs: 2021-07-14
- time-obs: 19:35:48.617000000
- date-end: 2021-07-14
- time-end: 23:33:55.616400000
- obs_id: T04_025T01_9000004538
- exposure: 12569.9959444
- sourceid: MAXI J0911-655
- observer: dumbscholar
- ra_pnt: 138.0101
- dec_pnt: -64.86845
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1T04_025T01_9000004538_31332cztM0_level2.evt
| modeM0/AS1T04_025T01_9000004538_31332cztM0_level2_quad_clean.evt
|
| Size (bytes) | 1,063,535,040 | 240,065,280 |
| Size | 1014.3 MB
| 228.9 MB
|
| Events in quadrant A | 5,882,109 | 1,675,294 |
| Events in quadrant B | 11,471,088 | 1,580,649 |
| Events in quadrant C | 6,786,503 | 1,558,341 |
| Events in quadrant D | 7,211,268 | 1,578,353 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 256 | 0 |
| B | 0 | 256 | 0 |
| C | 0 | 256 | 0 |
| D | 0 | 256 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 26002 | 3 |
| B | 0 | 43334 | 3 |
| C | 0 | 28182 | 3 |
| D | 0 | 30149 | 3 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 16 | 0 |
| B | 0 | 17 | 0 |
| C | 0 | 17 | 0 |
| D | 0 | 17 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 12721 | 65 | 0.510966% |
| B | 12721 | 771 | 6.060844% |
| C | 12721 | 438 | 3.443126% |
| D | 12721 | 165 | 1.297068% |
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 | 14081 | 12723 | 0 | 0 | 0.00% | 0.00% |  |
| B | 14081 | 12722 | 349 | 349 | 2.48% | 2.74% |  |
| C | 14081 | 12723 | 13 | 13 | 0.09% | 0.10% |  |
| D | 14081 | 12723 | 84 | 84 | 0.60% | 0.66% |  |
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 | 13 | 254 | 24778 | 76.3 | 1523 | 1493 | 305.2 |
| A | 3 | 137 | 15638 | 46.35 | 1523 | 1493 | 305.2 |
| A | 0 | 226 | 12761 | 36.92 | 1523 | 1493 | 305.2 |
| B | 6 | 159 | 3623340 | 12967.19 | 1462 | 1423 | 279.3 |
| B | 4 | 80 | 799934 | 2858.83 | 1462 | 1423 | 279.3 |
| B | 12 | 18 | 488613 | 1744.24 | 1462 | 1423 | 279.3 |
| C | 3 | 233 | 529366 | 1587.23 | 1430 | 1440 | 332.6 |
| C | 14 | 238 | 342045 | 1024.05 | 1430 | 1440 | 332.6 |
| C | 14 | 254 | 152847 | 455.21 | 1430 | 1440 | 332.6 |
| D | 8 | 195 | 1108720 | 3193.27 | 1461 | 1423 | 346.8 |
| D | 12 | 233 | 314485 | 902.82 | 1461 | 1423 | 346.8 |
| D | 13 | 249 | 94514 | 268.46 | 1461 | 1423 | 346.8 |
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 |  |