Observation information
- date-obs: 2018-07-16
- time-obs: 19:31:32.306300000
- date-end: 2018-07-16
- time-end: 21:41:07.305800000
- obs_id: A04_218T03_9000002232
- exposure: 4827.81621839
- sourceid: SWIFT J2254.1-1734
- observer: gulabd
- ra_pnt: 343.5246
- dec_pnt: -17.58197
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A04_218T03_9000002232_15138cztM0_level2.evt
| modeM0/AS1A04_218T03_9000002232_15138cztM0_level2_quad_clean.evt
|
| Size (bytes) | 438,082,560 | 105,690,240 |
| Size | 417.8 MB
| 100.8 MB
|
| Events in quadrant A | 3,231,722 | 689,287 |
| Events in quadrant B | 3,222,036 | 712,599 |
| Events in quadrant C | 3,199,661 | 700,603 |
| Events in quadrant D | 3,191,034 | 663,991 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13642 | 3 |
| B | 0 | 13575 | 2 |
| C | 0 | 13391 | 2 |
| D | 0 | 13608 | 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 | 15 | 0 |
| B | 0 | 15 | 0 |
| C | 0 | 15 | 0 |
| D | 0 | 16 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6226 | 29 | 0.465789% |
| B | 6226 | 38 | 0.610344% |
| C | 6226 | 18 | 0.289110% |
| D | 6226 | 48 | 0.770960% |
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 | 7497 | 6228 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7497 | 6228 | 2 | 2 | 0.03% | 0.03% |  |
| C | 7497 | 6228 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7497 | 6228 | 29 | 29 | 0.39% | 0.47% |  |
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 | 117616 | 724.86 | 797 | 782 | 161.2 |
| A | 1 | 162 | 26300 | 158.32 | 797 | 782 | 161.2 |
| A | 1 | 178 | 8230 | 46.21 | 797 | 782 | 161.2 |
| B | 12 | 111 | 17479 | 109.97 | 807 | 789 | 151.8 |
| B | 0 | 230 | 16273 | 102.03 | 807 | 789 | 151.8 |
| B | 3 | 64 | 14896 | 92.95 | 807 | 789 | 151.8 |
| C | 3 | 233 | 109767 | 595.18 | 793 | 799 | 183.1 |
| C | 13 | 61 | 5660 | 26.55 | 793 | 799 | 183.1 |
| C | 3 | 202 | 1790 | 5.41 | 793 | 799 | 183.1 |
| D | 0 | 11 | 86691 | 453.39 | 783 | 761 | 189.5 |
| D | 13 | 172 | 66721 | 348.03 | 783 | 761 | 189.5 |
| D | 2 | 16 | 27427 | 140.7 | 783 | 761 | 189.5 |
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 |  |