Observation information
- date-obs: 2017-07-29
- time-obs: 16:15:16.202500000
- date-end: 2017-07-29
- time-end: 18:18:55.019900000
- obs_id: A02_029T01_9000001416
- exposure: 4167.68292805
- 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_9000001416_09926cztM0_level2.evt
| modeM0/AS1A02_029T01_9000001416_09926cztM0_level2_quad_clean.evt
|
| Size (bytes) | 527,817,600 | 85,913,280 |
| Size | 503.4 MB
| 81.9 MB
|
| Events in quadrant A | 3,461,551 | 563,805 |
| Events in quadrant B | 3,136,747 | 568,773 |
| Events in quadrant C | 2,839,658 | 556,961 |
| Events in quadrant D | 6,120,038 | 472,428 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 11 | 0 |
| B | 0 | 11 | 0 |
| C | 0 | 11 | 0 |
| D | 0 | 11 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 128 | 0 |
| B | 0 | 128 | 0 |
| C | 0 | 128 | 0 |
| D | 0 | 128 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14626 | 2 |
| B | 0 | 13570 | 1 |
| C | 0 | 12859 | 1 |
| D | 0 | 22652 | 1 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6294 | 95 | 1.509374% |
| B | 6294 | 53 | 0.842072% |
| C | 6294 | 18 | 0.285987% |
| D | 6294 | 846 | 13.441373% |
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 | 7419 | 6294 | 23 | 23 | 0.31% | 0.37% |  |
| B | 7419 | 6294 | 1 | 1 | 0.01% | 0.02% |  |
| C | 7419 | 6294 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7419 | 6294 | 860 | 860 | 11.59% | 13.66% |  |
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 | 506623 | 3264.01 | 759 | 745 | 155.0 |
| A | 14 | 111 | 16792 | 103.54 | 759 | 745 | 155.0 |
| A | 8 | 15 | 15545 | 95.49 | 759 | 745 | 155.0 |
| B | 4 | 81 | 51545 | 346.76 | 760 | 742 | 146.5 |
| B | 4 | 239 | 45377 | 304.66 | 760 | 742 | 146.5 |
| B | 0 | 219 | 20994 | 138.23 | 760 | 742 | 146.5 |
| C | 13 | 61 | 5618 | 28.76 | 726 | 730 | 170.0 |
| C | 14 | 67 | 4085 | 19.74 | 726 | 730 | 170.0 |
| C | 12 | 4 | 2670 | 11.41 | 726 | 730 | 170.0 |
| D | 2 | 16 | 922807 | 5285.72 | 675 | 659 | 174.5 |
| D | 12 | 233 | 904146 | 5178.75 | 675 | 659 | 174.5 |
| D | 8 | 195 | 645241 | 3694.72 | 675 | 659 | 174.5 |
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 |  |