Observation information
- date-obs: 2018-07-17
- time-obs: 09:23:29.304400000
- date-end: 2018-07-17
- time-end: 11:40:32.304800000
- obs_id: A04_218T03_9000002232
- exposure: 4013.51577905
- 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_15146cztM0_level2.evt
| modeM0/AS1A04_218T03_9000002232_15146cztM0_level2_quad_clean.evt
|
| Size (bytes) | 553,043,520 | 85,063,680 |
| Size | 527.4 MB
| 81.1 MB
|
| Events in quadrant A | 4,441,893 | 508,057 |
| Events in quadrant B | 4,095,739 | 518,334 |
| Events in quadrant C | 3,883,615 | 514,026 |
| Events in quadrant D | 3,801,448 | 495,897 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 18126 | 3 |
| B | 0 | 17084 | 2 |
| C | 0 | 16413 | 2 |
| D | 0 | 16563 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 158 | 0 |
| B | 0 | 158 | 0 |
| C | 0 | 158 | 0 |
| D | 0 | 158 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 5 | 0 |
| B | 0 | 5 | 0 |
| C | 0 | 5 | 0 |
| D | 0 | 5 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 7753 | 336 | 4.333806% |
| B | 7753 | 392 | 5.056107% |
| C | 7753 | 232 | 2.992390% |
| D | 7753 | 248 | 3.198762% |
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 | 8224 | 7754 | 0 | 0 | 0.00% | 0.00% |  |
| B | 8224 | 7755 | 59 | 59 | 0.72% | 0.76% |  |
| C | 8224 | 7755 | 0 | 0 | 0.00% | 0.00% |  |
| D | 8224 | 7755 | 11 | 11 | 0.13% | 0.14% |  |
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 | 700286 | 3508.69 | 965 | 942 | 199.3 |
| A | 12 | 189 | 30731 | 149.45 | 965 | 942 | 199.3 |
| A | 0 | 226 | 8606 | 38.45 | 965 | 942 | 199.3 |
| B | 3 | 64 | 248826 | 1324.27 | 958 | 932 | 187.2 |
| B | 4 | 48 | 38895 | 202.8 | 958 | 932 | 187.2 |
| B | 12 | 111 | 22188 | 113.55 | 958 | 932 | 187.2 |
| C | 3 | 233 | 187486 | 842.46 | 943 | 948 | 221.4 |
| C | 8 | 128 | 11470 | 47.52 | 943 | 948 | 221.4 |
| C | 13 | 61 | 6855 | 26.68 | 943 | 948 | 221.4 |
| D | 2 | 16 | 83493 | 350.97 | 952 | 923 | 235.3 |
| D | 10 | 70 | 60628 | 253.78 | 952 | 923 | 235.3 |
| D | 2 | 234 | 31902 | 131.68 | 952 | 923 | 235.3 |
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 |  |