Observation information
- date-obs: 2015-11-27
- time-obs: 11-48-18.000009285
- date-end: 2015-11-27
- time-end: 13-43-33.000009202
- obs_id: P01_161T03_9000000178
- exposure: 3677.42390751
- sourceid: Cyg X-1
- observer: parag
- ra_pnt: 299.5903
- dec_pnt: 35.20161
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1P01_161T03_9000000178_00895cztM0_level2.evt
| modeM0/AS1P01_161T03_9000000178_00895cztM0_level2_quad_clean.evt
|
| Size (bytes) | 964,837,440 | 69,111,360 |
| Size | 920.1 MB
| 65.9 MB
|
| Events in quadrant A | 6,678,646 | 438,685 |
| Events in quadrant B | 8,133,433 | 428,859 |
| Events in quadrant C | 7,772,236 | 410,774 |
| Events in quadrant D | 6,256,374 | 414,004 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 12 | 0 |
| B | 0 | 12 | 0 |
| C | 0 | 12 | 0 |
| D | 0 | 12 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 116 | 0 |
| B | 0 | 116 | 0 |
| C | 0 | 116 | 0 |
| D | 0 | 116 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 23915 | 0 |
| B | 0 | 28247 | 0 |
| C | 0 | 27203 | 0 |
| D | 0 | 22680 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 5726 | 35 | 0.611247% |
| B | 5726 | 180 | 3.143556% |
| C | 5726 | 298 | 5.204331% |
| D | 5725 | 29 | 0.506550% |
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 | 6916 | 5727 | 152 | 152 | 2.20% | 2.65% |  |
| B | 6916 | 5727 | 659 | 659 | 9.53% | 11.51% |  |
| C | 6916 | 5727 | 488 | 488 | 7.06% | 8.52% |  |
| D | 6915 | 5726 | 104 | 104 | 1.50% | 1.82% |  |
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 | 233 | 29205 | 66.72 | 1731 | 1749 | 411.5 |
| A | 14 | 170 | 7907 | 14.96 | 1731 | 1749 | 411.5 |
| A | 11 | 79 | 7023 | 12.82 | 1731 | 1749 | 411.5 |
| B | 3 | 0 | 898820 | 2154.23 | 1792 | 1803 | 416.4 |
| B | 7 | 221 | 161003 | 382.33 | 1792 | 1803 | 416.4 |
| B | 8 | 38 | 83992 | 197.38 | 1792 | 1803 | 416.4 |
| C | 9 | 83 | 1274407 | 2828.5 | 1616 | 1673 | 450.0 |
| C | 9 | 52 | 125058 | 274.21 | 1616 | 1673 | 450.0 |
| C | 3 | 111 | 22474 | 46.23 | 1616 | 1673 | 450.0 |
| D | 1 | 4 | 134597 | 266.81 | 1613 | 1676 | 498.2 |
| D | 10 | 157 | 17322 | 31.41 | 1613 | 1676 | 498.2 |
| D | 13 | 13 | 14794 | 26.33 | 1613 | 1676 | 498.2 |
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 |  |