Observation information
- date-obs: 2018-05-29
- time-obs: 23:44:54.109300000
- date-end: 2018-05-30
- time-end: 01:50:23.103200000
- obs_id: G08_025T01_9000002130
- exposure: 4668.27148923
- sourceid: Cyg X-2
- observer: sudip
- ra_pnt: 326.1714
- dec_pnt: 38.32142
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1G08_025T01_9000002130_14430cztM0_level2.evt
| modeM0/AS1G08_025T01_9000002130_14430cztM0_level2_quad_clean.evt
|
| Size (bytes) | 543,254,400 | 106,378,560 |
| Size | 518.1 MB
| 101.5 MB
|
| Events in quadrant A | 3,328,556 | 716,254 |
| Events in quadrant B | 4,014,810 | 715,682 |
| Events in quadrant C | 3,453,693 | 702,882 |
| Events in quadrant D | 5,238,393 | 657,224 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13967 | 3 |
| B | 0 | 16025 | 2 |
| C | 0 | 14074 | 2 |
| D | 0 | 19766 | 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 | 13 | 0 |
| B | 0 | 13 | 0 |
| C | 0 | 13 | 0 |
| D | 0 | 14 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6153 | 49 | 0.796359% |
| B | 6153 | 158 | 2.567853% |
| C | 6153 | 34 | 0.552576% |
| D | 6153 | 596 | 9.686332% |
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 | 7509 | 6154 | 17 | 17 | 0.23% | 0.28% |  |
| B | 7509 | 6154 | 72 | 72 | 0.96% | 1.17% |  |
| C | 7509 | 6154 | 2 | 2 | 0.03% | 0.03% |  |
| D | 7509 | 6154 | 436 | 436 | 5.81% | 7.08% |  |
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 | 15 | 268481 | 1670.11 | 792 | 777 | 160.3 |
| A | 12 | 189 | 9007 | 51.34 | 792 | 777 | 160.3 |
| A | 0 | 226 | 6993 | 38.78 | 792 | 777 | 160.3 |
| B | 0 | 85 | 317835 | 2176.87 | 792 | 776 | 145.6 |
| B | 15 | 222 | 269864 | 1847.51 | 792 | 776 | 145.6 |
| B | 10 | 245 | 70598 | 479.39 | 792 | 776 | 145.6 |
| C | 3 | 233 | 440698 | 2495.72 | 772 | 777 | 176.3 |
| C | 13 | 61 | 5638 | 27.58 | 772 | 777 | 176.3 |
| C | 14 | 234 | 3245 | 14.0 | 772 | 777 | 176.3 |
| D | 13 | 122 | 1171352 | 6171.07 | 730 | 713 | 189.7 |
| D | 2 | 120 | 608558 | 3204.28 | 730 | 713 | 189.7 |
| D | 10 | 199 | 289565 | 1522.7 | 730 | 713 | 189.7 |
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 |  |