Observation information
- date-obs: 2019-08-28
- time-obs: 19:44:47.420800000
- date-end: 2019-08-28
- time-end: 21:54:59.417200000
- obs_id: A05_062T01_9000003132
- exposure: 4115.29235217
- sourceid: 4U 1735-44
- observer: graman
- ra_pnt: 264.7429
- dec_pnt: -44.45
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A05_062T01_9000003132_21177cztM0_level2.evt
| modeM0/AS1A05_062T01_9000003132_21177cztM0_level2_quad_clean.evt
|
| Size (bytes) | 581,302,080 | 94,711,680 |
| Size | 554.4 MB
| 90.3 MB
|
| Events in quadrant A | 3,154,523 | 627,596 |
| Events in quadrant B | 3,404,811 | 643,804 |
| Events in quadrant C | 3,170,746 | 614,769 |
| Events in quadrant D | 7,454,945 | 548,740 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 126 | 0 |
| B | 0 | 126 | 0 |
| C | 0 | 126 | 0 |
| D | 0 | 126 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 16 | 0 |
| B | 0 | 17 | 0 |
| C | 0 | 17 | 0 |
| D | 0 | 17 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13295 | 3 |
| B | 0 | 14075 | 2 |
| C | 0 | 13243 | 2 |
| D | 0 | 26565 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6207 | 43 | 0.692766% |
| B | 6207 | 80 | 1.288867% |
| C | 6207 | 122 | 1.965523% |
| D | 6207 | 501 | 8.071532% |
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 | 7572 | 6208 | 4 | 4 | 0.05% | 0.06% |  |
| B | 7572 | 6208 | 11 | 11 | 0.15% | 0.18% |  |
| C | 7572 | 6208 | 13 | 13 | 0.17% | 0.21% |  |
| D | 7572 | 6208 | 429 | 429 | 5.67% | 6.91% |  |
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 | 5 | 16 | 60960 | 379.0 | 795 | 783 | 158.8 |
| A | 10 | 229 | 21403 | 129.87 | 795 | 783 | 158.8 |
| A | 13 | 254 | 8781 | 50.37 | 795 | 783 | 158.8 |
| B | 0 | 189 | 65432 | 432.69 | 802 | 784 | 149.4 |
| B | 0 | 182 | 46300 | 304.64 | 802 | 784 | 149.4 |
| B | 0 | 230 | 29483 | 192.08 | 802 | 784 | 149.4 |
| C | 14 | 238 | 121424 | 687.69 | 758 | 764 | 175.5 |
| C | 0 | 10 | 64266 | 361.92 | 758 | 764 | 175.5 |
| C | 3 | 233 | 30438 | 169.12 | 758 | 764 | 175.5 |
| D | 7 | 238 | 3157743 | 17542.21 | 738 | 718 | 180.0 |
| D | 1 | 52 | 1073746 | 5962.35 | 738 | 718 | 180.0 |
| D | 1 | 20 | 140502 | 776.72 | 738 | 718 | 180.0 |
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 |  |