Observation information
- date-obs: 2018-02-23
- time-obs: 23:28:15.625700000
- date-end: 2018-02-24
- time-end: 01:52:40.624900000
- obs_id: A04_216T01_9000001916
- exposure: 3811.49688809
- sourceid: Cen X-3
- observer: shivangi
- ra_pnt: 170.3158
- dec_pnt: -60.62297
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A04_216T01_9000001916_13024cztM0_level2.evt
| modeM0/AS1A04_216T01_9000001916_13024cztM0_level2_quad_clean.evt
|
| Size (bytes) | 582,914,880 | 80,965,440 |
| Size | 555.9 MB
| 77.2 MB
|
| Events in quadrant A | 3,293,642 | 517,334 |
| Events in quadrant B | 3,988,597 | 508,546 |
| Events in quadrant C | 3,045,497 | 521,248 |
| Events in quadrant D | 6,879,444 | 444,889 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 21 | 0 |
| B | 0 | 21 | 0 |
| C | 0 | 21 | 0 |
| D | 0 | 21 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 134 | 0 |
| B | 0 | 134 | 0 |
| C | 0 | 134 | 0 |
| D | 0 | 134 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13993 | 3 |
| B | 0 | 16218 | 2 |
| C | 0 | 13402 | 2 |
| D | 0 | 25126 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6587 | 14 | 0.212540% |
| B | 6587 | 446 | 6.770912% |
| C | 6587 | 12 | 0.182177% |
| D | 6587 | 898 | 13.632913% |
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 | 7748 | 6589 | 1 | 1 | 0.01% | 0.02% |  |
| B | 7748 | 6589 | 218 | 218 | 2.81% | 3.31% |  |
| C | 7748 | 6589 | 1 | 1 | 0.01% | 0.02% |  |
| D | 7748 | 6589 | 757 | 757 | 9.77% | 11.49% |  |
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 | 12 | 189 | 178084 | 1127.15 | 781 | 766 | 157.3 |
| A | 1 | 162 | 25279 | 155.82 | 781 | 766 | 157.3 |
| A | 15 | 223 | 20962 | 128.38 | 781 | 766 | 157.3 |
| B | 4 | 239 | 873151 | 6174.11 | 756 | 736 | 141.3 |
| B | 3 | 64 | 61715 | 431.55 | 756 | 736 | 141.3 |
| B | 0 | 219 | 35562 | 246.46 | 756 | 736 | 141.3 |
| C | 14 | 234 | 6317 | 30.86 | 778 | 784 | 179.3 |
| C | 12 | 4 | 5958 | 28.86 | 778 | 784 | 179.3 |
| C | 13 | 61 | 5600 | 26.86 | 778 | 784 | 179.3 |
| D | 1 | 52 | 4090984 | 24215.85 | 712 | 693 | 168.9 |
| D | 8 | 195 | 88609 | 520.49 | 712 | 693 | 168.9 |
| D | 2 | 234 | 19042 | 108.63 | 712 | 693 | 168.9 |
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 |  |