Observation information
- date-obs: 2018-07-10
- time-obs: 13:49:53.263600000
- date-end: 2018-07-10
- time-end: 19:25:39.268000000
- obs_id: T02_060T01_9000002216
- exposure: 11763.0951777
- sourceid: Maxi J1820+070
- observer: aarthy
- ra_pnt: 275.091
- dec_pnt: 7.185631
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1T02_060T01_9000002216_15047cztM0_level2.evt
| modeM0/AS1T02_060T01_9000002216_15047cztM0_level2_quad_clean.evt
|
| Size (bytes) | 1,453,976,640 | 238,060,800 |
| Size | 1.4 GB
| 227.0 MB
|
| Events in quadrant A | 8,881,563 | 1,553,805 |
| Events in quadrant B | 9,440,679 | 1,564,520 |
| Events in quadrant C | 10,746,125 | 1,523,073 |
| Events in quadrant D | 13,735,638 | 1,313,336 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 38005 | 4 |
| B | 0 | 39567 | 3 |
| C | 0 | 43986 | 3 |
| D | 0 | 53383 | 3 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 19 | 0 |
| B | 0 | 19 | 0 |
| C | 0 | 19 | 0 |
| D | 0 | 19 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 370 | 0 |
| B | 0 | 370 | 0 |
| C | 0 | 370 | 0 |
| D | 0 | 370 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 18211 | 197 | 1.081764% |
| B | 18211 | 381 | 2.092142% |
| C | 18211 | 194 | 1.065290% |
| D | 18211 | 2306 | 12.662676% |
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 | 20147 | 18213 | 1 | 1 | 0.00% | 0.01% |  |
| B | 20147 | 18213 | 147 | 147 | 0.73% | 0.81% |  |
| C | 20147 | 18213 | 0 | 0 | 0.00% | 0.00% |  |
| D | 20147 | 18213 | 2059 | 2059 | 10.22% | 11.31% |  |
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 | 239 | 144159 | 318.98 | 2208 | 2157 | 445.2 |
| A | 12 | 189 | 138728 | 306.78 | 2208 | 2157 | 445.2 |
| A | 1 | 162 | 61035 | 132.26 | 2208 | 2157 | 445.2 |
| B | 10 | 16 | 729851 | 1739.82 | 2192 | 2137 | 418.3 |
| B | 12 | 111 | 51709 | 118.52 | 2192 | 2137 | 418.3 |
| B | 3 | 64 | 50112 | 114.7 | 2192 | 2137 | 418.3 |
| C | 3 | 233 | 2253397 | 4519.48 | 2145 | 2157 | 498.1 |
| C | 7 | 247 | 104688 | 205.84 | 2145 | 2157 | 498.1 |
| C | 3 | 232 | 20183 | 36.19 | 2145 | 2157 | 498.1 |
| D | 7 | 223 | 5901407 | 12343.29 | 1969 | 1912 | 478.0 |
| D | 10 | 70 | 293426 | 609.92 | 1969 | 1912 | 478.0 |
| D | 2 | 234 | 57974 | 117.3 | 1969 | 1912 | 478.0 |
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 |  |