Observation information
- date-obs: 2018-07-17
- time-obs: 02:48:06.303700000
- date-end: 2018-07-17
- time-end: 06:27:46.304000000
- obs_id: A04_218T03_9000002232
- exposure: 6896.94691481
- 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_15143cztM0_level2.evt
| modeM0/AS1A04_218T03_9000002232_15143cztM0_level2_quad_clean.evt
|
| Size (bytes) | 810,397,440 | 145,264,320 |
| Size | 772.9 MB
| 138.5 MB
|
| Events in quadrant A | 6,022,750 | 900,895 |
| Events in quadrant B | 6,029,564 | 922,239 |
| Events in quadrant C | 5,988,254 | 907,622 |
| Events in quadrant D | 5,714,753 | 863,860 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 25121 | 3 |
| B | 0 | 25308 | 2 |
| C | 0 | 24772 | 2 |
| D | 0 | 24936 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 238 | 0 |
| B | 0 | 238 | 0 |
| C | 0 | 238 | 0 |
| D | 0 | 238 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 15 | 0 |
| B | 0 | 15 | 0 |
| C | 0 | 15 | 0 |
| D | 0 | 15 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 11625 | 169 | 1.453763% |
| B | 11625 | 262 | 2.253763% |
| C | 11625 | 119 | 1.023656% |
| D | 11625 | 230 | 1.978495% |
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 | 13181 | 11627 | 1 | 1 | 0.01% | 0.01% |  |
| B | 13181 | 11628 | 61 | 61 | 0.46% | 0.52% |  |
| C | 13181 | 11628 | 0 | 0 | 0.00% | 0.00% |  |
| D | 13181 | 11628 | 85 | 85 | 0.64% | 0.73% |  |
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 | 239 | 242920 | 841.75 | 1424 | 1392 | 286.9 |
| A | 12 | 189 | 220987 | 765.31 | 1424 | 1392 | 286.9 |
| A | 1 | 162 | 38344 | 128.78 | 1424 | 1392 | 286.9 |
| B | 3 | 64 | 390967 | 1454.05 | 1415 | 1381 | 267.9 |
| B | 12 | 111 | 31969 | 114.16 | 1415 | 1381 | 267.9 |
| B | 11 | 111 | 27673 | 98.13 | 1415 | 1381 | 267.9 |
| C | 3 | 233 | 570436 | 1773.48 | 1387 | 1397 | 320.9 |
| C | 7 | 247 | 12691 | 35.2 | 1387 | 1397 | 320.9 |
| C | 13 | 61 | 9812 | 26.23 | 1387 | 1397 | 320.9 |
| D | 10 | 70 | 239207 | 687.87 | 1397 | 1354 | 345.8 |
| D | 5 | 222 | 51409 | 144.76 | 1397 | 1354 | 345.8 |
| D | 2 | 33 | 45030 | 126.31 | 1397 | 1354 | 345.8 |
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 |  |