Observation information
- date-obs: 2018-03-08
- time-obs: 16:38:25.653100000
- date-end: 2018-03-08
- time-end: 18:41:54.655700000
- obs_id: A04_216T01_9000001968
- exposure: 5161.47943882
- sourceid: Cen X-3
- observer: shivangi
- ra_pnt: 170.3158
- dec_pnt: -60.62297
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A04_216T01_9000001968_13212cztM0_level2.evt
| modeM0/AS1A04_216T01_9000001968_13212cztM0_level2_quad_clean.evt
|
| Size (bytes) | 450,276,480 | 102,594,240 |
| Size | 429.4 MB
| 97.8 MB
|
| Events in quadrant A | 2,957,866 | 688,464 |
| Events in quadrant B | 4,161,706 | 672,248 |
| Events in quadrant C | 2,796,981 | 678,512 |
| Events in quadrant D | 3,296,661 | 633,109 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 12991 | 2 |
| B | 0 | 16515 | 1 |
| C | 0 | 12679 | 1 |
| D | 0 | 14177 | 1 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 12 | 0 |
| B | 0 | 12 | 0 |
| C | 0 | 12 | 0 |
| D | 0 | 12 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 126 | 0 |
| B | 0 | 126 | 0 |
| C | 0 | 126 | 0 |
| D | 0 | 126 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6229 | 44 | 0.706373% |
| B | 6229 | 468 | 7.513245% |
| C | 6229 | 20 | 0.321079% |
| D | 6229 | 148 | 2.375983% |
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 | 7410 | 6231 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7410 | 6231 | 293 | 293 | 3.95% | 4.70% |  |
| C | 7410 | 6231 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7410 | 6231 | 107 | 107 | 1.44% | 1.72% |  |
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 | 8 | 15 | 44726 | 293.48 | 740 | 724 | 149.9 |
| A | 1 | 162 | 32747 | 213.59 | 740 | 724 | 149.9 |
| A | 4 | 2 | 10535 | 65.43 | 740 | 724 | 149.9 |
| B | 4 | 239 | 1202338 | 8831.3 | 724 | 707 | 136.1 |
| B | 3 | 209 | 60540 | 439.73 | 724 | 707 | 136.1 |
| B | 0 | 189 | 18917 | 133.83 | 724 | 707 | 136.1 |
| C | 15 | 208 | 19565 | 115.4 | 711 | 715 | 163.3 |
| C | 13 | 61 | 5361 | 28.44 | 711 | 715 | 163.3 |
| C | 8 | 222 | 3080 | 14.48 | 711 | 715 | 163.3 |
| D | 13 | 122 | 267077 | 1606.88 | 694 | 674 | 165.8 |
| D | 1 | 52 | 162472 | 975.93 | 694 | 674 | 165.8 |
| D | 9 | 85 | 84069 | 503.02 | 694 | 674 | 165.8 |
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 |  |