Observation information
- date-obs: 2017-03-14
- time-obs: 23:53:15.639300000
- date-end: 2017-03-15
- time-end: 02:13:26.633200000
- obs_id: A02_029T01_9000001082
- exposure: 4771.64472312
- 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_9000001082_07903cztM0_level2.evt
| modeM0/AS1A02_029T01_9000001082_07903cztM0_level2_quad_clean.evt
|
| Size (bytes) | 438,298,560 | 99,354,240 |
| Size | 418.0 MB
| 94.8 MB
|
| Events in quadrant A | 2,957,538 | 643,116 |
| Events in quadrant B | 3,078,441 | 669,604 |
| Events in quadrant C | 3,843,885 | 646,728 |
| Events in quadrant D | 2,973,748 | 617,833 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 12817 | 3 |
| B | 0 | 13153 | 2 |
| C | 0 | 15358 | 2 |
| D | 0 | 13054 | 2 |
| 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 | 22 | 0 |
| B | 0 | 22 | 0 |
| C | 0 | 22 | 0 |
| D | 0 | 23 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6183 | 16 | 0.258774% |
| B | 6183 | 41 | 0.663109% |
| C | 6183 | 125 | 2.021672% |
| D | 6183 | 16 | 0.258774% |
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 | 7503 | 6184 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7503 | 6184 | 1 | 1 | 0.01% | 0.02% |  |
| C | 7503 | 6184 | 64 | 64 | 0.85% | 1.03% |  |
| D | 7503 | 6184 | 8 | 8 | 0.11% | 0.13% |  |
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 | 15129 | 94.3 | 754 | 739 | 152.6 |
| A | 0 | 128 | 14363 | 89.28 | 754 | 739 | 152.6 |
| A | 8 | 15 | 9694 | 58.68 | 754 | 739 | 152.6 |
| B | 4 | 239 | 24414 | 163.77 | 771 | 754 | 144.5 |
| B | 4 | 173 | 24194 | 162.25 | 771 | 754 | 144.5 |
| B | 12 | 111 | 14585 | 95.73 | 771 | 754 | 144.5 |
| C | 1 | 16 | 922939 | 5360.77 | 748 | 754 | 172.0 |
| C | 13 | 61 | 5711 | 28.82 | 748 | 754 | 172.0 |
| C | 12 | 4 | 3240 | 14.45 | 748 | 754 | 172.0 |
| D | 1 | 52 | 48769 | 266.13 | 740 | 719 | 180.6 |
| D | 4 | 95 | 30433 | 164.57 | 740 | 719 | 180.6 |
| D | 2 | 14 | 27206 | 146.7 | 740 | 719 | 180.6 |
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 |  |