Observation information
- date-obs: 2020-04-22
- time-obs: 04:53:02.182700000
- date-end: 2020-04-22
- time-end: 07:04:08.175300000
- obs_id: T03_191T01_9000003618
- exposure: 6452.2028933
- sourceid: LMC X-2
- observer: ramadevi
- ra_pnt: 80.11684
- dec_pnt: -71.96481
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1T03_191T01_9000003618_24691cztM0_level2.evt
| modeM0/AS1T03_191T01_9000003618_24691cztM0_level2_quad_clean.evt
|
| Size (bytes) | 547,107,840 | 136,805,760 |
| Size | 521.8 MB
| 130.5 MB
|
| Events in quadrant A | 3,264,660 | 946,706 |
| Events in quadrant B | 3,295,404 | 962,315 |
| Events in quadrant C | 3,396,727 | 915,885 |
| Events in quadrant D | 6,169,813 | 863,198 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13 | 0 |
| B | 0 | 14 | 0 |
| C | 0 | 14 | 0 |
| D | 0 | 14 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13843 | 2 |
| B | 0 | 13994 | 2 |
| C | 0 | 14415 | 2 |
| D | 0 | 22657 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 132 | 0 |
| B | 0 | 132 | 0 |
| C | 0 | 132 | 0 |
| D | 0 | 132 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6533 | 59 | 0.903107% |
| B | 6533 | 66 | 1.010256% |
| C | 6533 | 114 | 1.744987% |
| D | 6533 | 684 | 10.469922% |
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 | 7633 | 6533 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7633 | 6533 | 2 | 2 | 0.03% | 0.03% |  |
| C | 7633 | 6533 | 4 | 4 | 0.05% | 0.06% |  |
| D | 7633 | 6533 | 595 | 595 | 7.80% | 9.11% |  |
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 | 11330 | 62.81 | 844 | 829 | 167.2 |
| A | 0 | 226 | 7338 | 38.93 | 844 | 829 | 167.2 |
| A | 3 | 137 | 7255 | 38.44 | 844 | 829 | 167.2 |
| B | 12 | 111 | 18761 | 114.81 | 836 | 817 | 156.3 |
| B | 11 | 111 | 16667 | 101.41 | 836 | 817 | 156.3 |
| B | 14 | 111 | 15475 | 93.79 | 836 | 817 | 156.3 |
| C | 14 | 238 | 131549 | 698.91 | 814 | 820 | 187.0 |
| C | 7 | 247 | 33634 | 175.43 | 814 | 820 | 187.0 |
| C | 2 | 16 | 25782 | 133.45 | 814 | 820 | 187.0 |
| D | 1 | 52 | 3006350 | 15512.18 | 805 | 782 | 193.8 |
| D | 8 | 195 | 61796 | 314.9 | 805 | 782 | 193.8 |
| D | 10 | 199 | 31794 | 160.06 | 805 | 782 | 193.8 |
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 |  |