Observation information
- date-obs: 2021-07-14
- time-obs: 18:01:49.617000000
- date-end: 2021-07-14
- time-end: 20:04:50.617100000
- obs_id: T04_025T01_9000004538
- exposure: 6900.51212171
- 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_31330cztM0_level2.evt
| modeM0/AS1T04_025T01_9000004538_31330cztM0_level2_quad_clean.evt
|
| Size (bytes) | 567,509,760 | 130,363,200 |
| Size | 541.2 MB
| 124.3 MB
|
| Events in quadrant A | 3,191,327 | 897,520 |
| Events in quadrant B | 5,905,162 | 865,710 |
| Events in quadrant C | 3,450,793 | 851,515 |
| Events in quadrant D | 4,166,904 | 847,446 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 142 | 0 |
| B | 0 | 142 | 0 |
| C | 0 | 142 | 0 |
| D | 0 | 142 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14172 | 1 |
| B | 0 | 22718 | 1 |
| C | 0 | 14808 | 1 |
| D | 0 | 17108 | 1 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 4 | 0 |
| B | 0 | 4 | 0 |
| C | 0 | 4 | 0 |
| D | 0 | 4 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6976 | 35 | 0.501720% |
| B | 6976 | 312 | 4.472477% |
| C | 6977 | 151 | 2.164254% |
| D | 6977 | 129 | 1.848932% |
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 | 7381 | 6977 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7381 | 6977 | 127 | 127 | 1.72% | 1.82% |  |
| C | 7382 | 6978 | 2 | 2 | 0.03% | 0.03% |  |
| D | 7382 | 6978 | 97 | 97 | 1.31% | 1.39% |  |
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 | 14135 | 80.46 | 826 | 808 | 165.6 |
| A | 3 | 137 | 8430 | 46.02 | 826 | 808 | 165.6 |
| A | 0 | 226 | 6894 | 36.74 | 826 | 808 | 165.6 |
| B | 6 | 159 | 1993763 | 12921.07 | 800 | 780 | 154.2 |
| B | 5 | 172 | 442754 | 2865.44 | 800 | 780 | 154.2 |
| B | 4 | 80 | 142330 | 917.71 | 800 | 780 | 154.2 |
| C | 14 | 238 | 158817 | 870.6 | 777 | 781 | 181.5 |
| C | 3 | 233 | 148380 | 813.1 | 777 | 781 | 181.5 |
| C | 14 | 254 | 46791 | 253.46 | 777 | 781 | 181.5 |
| D | 8 | 195 | 694330 | 3685.45 | 791 | 770 | 188.2 |
| D | 12 | 233 | 363297 | 1926.4 | 791 | 770 | 188.2 |
| D | 13 | 249 | 60159 | 315.58 | 791 | 770 | 188.2 |
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 |  |