Observation information
- date-obs: 2017-07-16
- time-obs: 00:31:34.730900000
- date-end: 2017-07-16
- time-end: 02:47:20.732000000
- obs_id: A02_029T01_9000001386
- exposure: 3704.1573285
- sourceid: 4U 1724-30
- observer: sudip
- ra_pnt: 261.8885
- dec_pnt: -30.80206
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A02_029T01_9000001386_09724cztM0_level2.evt
| modeM0/AS1A02_029T01_9000001386_09724cztM0_level2_quad_clean.evt
|
| Size (bytes) | 466,830,720 | 81,800,640 |
| Size | 445.2 MB
| 78.0 MB
|
| Events in quadrant A | 3,240,234 | 513,989 |
| Events in quadrant B | 3,071,352 | 534,567 |
| Events in quadrant C | 2,893,296 | 519,301 |
| Events in quadrant D | 4,511,758 | 476,243 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13765 | 119 |
| B | 0 | 13210 | 95 |
| C | 0 | 12781 | 117 |
| D | 0 | 17828 | 328 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 19 | 0 |
| B | 0 | 19 | 0 |
| C | 0 | 19 | 1 |
| D | 0 | 20 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 126 | 2 |
| B | 0 | 126 | 0 |
| C | 0 | 126 | 0 |
| D | 0 | 126 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6207 | 59 | 0.950540% |
| B | 6218 | 28 | 0.450306% |
| C | 6206 | 14 | 0.225588% |
| D | 6184 | 458 | 7.406210% |
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 | 7441 | 6257 | 23 | 23 | 0.31% | 0.37% |  |
| B | 7441 | 6253 | 1 | 1 | 0.01% | 0.02% |  |
| C | 7441 | 6253 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7441 | 6248 | 479 | 479 | 6.44% | 7.67% |  |
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 | 1 | 162 | 118208 | 761.7 | 753 | 738 | 154.2 |
| A | 14 | 111 | 78279 | 502.8 | 753 | 738 | 154.2 |
| A | 1 | 178 | 51728 | 330.63 | 753 | 738 | 154.2 |
| B | 0 | 219 | 41106 | 277.35 | 767 | 750 | 145.5 |
| B | 0 | 214 | 24526 | 163.4 | 767 | 750 | 145.5 |
| B | 12 | 111 | 15642 | 102.35 | 767 | 750 | 145.5 |
| C | 14 | 234 | 17856 | 100.16 | 737 | 739 | 170.9 |
| C | 13 | 61 | 5422 | 27.4 | 737 | 739 | 170.9 |
| C | 3 | 202 | 1841 | 6.45 | 737 | 739 | 170.9 |
| D | 1 | 52 | 1590652 | 8968.77 | 706 | 690 | 177.3 |
| D | 10 | 199 | 123238 | 691.28 | 706 | 690 | 177.3 |
| D | 2 | 234 | 32716 | 180.65 | 706 | 690 | 177.3 |
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 |  |