Observation information
- date-obs: 2017-10-02
- time-obs: 13:30:37.470300000
- date-end: 2017-10-02
- time-end: 15:33:50.473000000
- obs_id: A04_055T01_9000001574
- exposure: 4632.62587444
- sourceid: 4U 1636-536
- observer: sudip
- ra_pnt: 250.2312
- dec_pnt: -53.75139
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A04_055T01_9000001574_10886cztM0_level2.evt
| modeM0/AS1A04_055T01_9000001574_10886cztM0_level2_quad_clean.evt
|
| Size (bytes) | 576,371,520 | 92,615,040 |
| Size | 549.7 MB
| 88.3 MB
|
| Events in quadrant A | 4,601,200 | 590,457 |
| Events in quadrant B | 3,957,292 | 607,589 |
| Events in quadrant C | 2,830,715 | 611,539 |
| Events in quadrant D | 5,636,091 | 551,906 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 17954 | 2 |
| B | 0 | 15867 | 1 |
| C | 0 | 13077 | 1 |
| D | 0 | 21056 | 1 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 10 | 0 |
| B | 0 | 10 | 0 |
| C | 0 | 10 | 0 |
| D | 0 | 10 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 130 | 0 |
| B | 0 | 130 | 0 |
| C | 0 | 130 | 0 |
| D | 0 | 130 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6343 | 382 | 6.022387% |
| B | 6343 | 272 | 4.288192% |
| C | 6343 | 27 | 0.425666% |
| D | 6343 | 742 | 11.697935% |
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 | 7393 | 6344 | 206 | 206 | 2.79% | 3.25% |  |
| B | 7393 | 6344 | 151 | 151 | 2.04% | 2.38% |  |
| C | 7393 | 6344 | 4 | 4 | 0.05% | 0.06% |  |
| D | 7393 | 6344 | 547 | 547 | 7.40% | 8.62% |  |
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 | 8 | 5 | 1346665 | 8984.42 | 737 | 722 | 149.8 |
| A | 15 | 223 | 222467 | 1480.19 | 737 | 722 | 149.8 |
| A | 15 | 239 | 84216 | 557.34 | 737 | 722 | 149.8 |
| B | 4 | 239 | 886101 | 6247.12 | 743 | 727 | 141.7 |
| B | 0 | 219 | 81086 | 567.01 | 743 | 727 | 141.7 |
| B | 15 | 85 | 24142 | 165.21 | 743 | 727 | 141.7 |
| C | 0 | 207 | 30439 | 180.08 | 716 | 718 | 165.0 |
| C | 13 | 61 | 5386 | 28.28 | 716 | 718 | 165.0 |
| C | 8 | 222 | 3362 | 16.02 | 716 | 718 | 165.0 |
| D | 1 | 52 | 2280693 | 13624.17 | 683 | 660 | 167.4 |
| D | 8 | 195 | 290974 | 1734.75 | 683 | 660 | 167.4 |
| D | 13 | 104 | 141331 | 840.57 | 683 | 660 | 167.4 |
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 |  |