Observation information
- date-obs: 2018-05-10
- time-obs: 14:23:14.649900000
- date-end: 2018-05-10
- time-end: 16:47:21.644500000
- obs_id: A04_218T04_9000002086
- exposure: 3939.95411593
- sourceid: SWIFT J1835.0+3240
- observer: gulabd
- ra_pnt: 278.7641
- dec_pnt: 32.69635
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A04_218T04_9000002086_14143cztM0_level2.evt
| modeM0/AS1A04_218T04_9000002086_14143cztM0_level2_quad_clean.evt
|
| Size (bytes) | 478,779,840 | 86,869,440 |
| Size | 456.6 MB
| 82.8 MB
|
| Events in quadrant A | 3,328,988 | 543,987 |
| Events in quadrant B | 3,437,117 | 542,209 |
| Events in quadrant C | 3,653,384 | 553,936 |
| Events in quadrant D | 3,640,578 | 538,427 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13822 | 3 |
| B | 0 | 14311 | 2 |
| C | 0 | 14634 | 2 |
| D | 0 | 14962 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 132 | 0 |
| B | 0 | 132 | 0 |
| C | 0 | 132 | 0 |
| D | 0 | 132 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 21 | 0 |
| B | 0 | 21 | 0 |
| C | 0 | 21 | 0 |
| D | 0 | 22 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6480 | 76 | 1.172840% |
| B | 6480 | 104 | 1.604938% |
| C | 6480 | 72 | 1.111111% |
| D | 6480 | 82 | 1.265432% |
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 | 7616 | 6482 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7616 | 6482 | 2 | 2 | 0.03% | 0.03% |  |
| C | 7616 | 6482 | 1 | 1 | 0.01% | 0.02% |  |
| D | 7616 | 6482 | 18 | 18 | 0.24% | 0.28% |  |
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 | 54958 | 319.83 | 843 | 827 | 169.2 |
| A | 9 | 143 | 22176 | 126.14 | 843 | 827 | 169.2 |
| A | 12 | 96 | 8727 | 46.68 | 843 | 827 | 169.2 |
| B | 0 | 189 | 94338 | 588.48 | 837 | 817 | 158.9 |
| B | 4 | 80 | 28313 | 173.02 | 837 | 817 | 158.9 |
| B | 0 | 214 | 20418 | 123.34 | 837 | 817 | 158.9 |
| C | 3 | 233 | 419031 | 2196.02 | 825 | 830 | 190.4 |
| C | 14 | 234 | 8462 | 40.08 | 825 | 830 | 190.4 |
| C | 10 | 22 | 8462 | 40.08 | 825 | 830 | 190.4 |
| D | 8 | 195 | 200740 | 1017.22 | 823 | 802 | 196.6 |
| D | 7 | 80 | 59153 | 296.87 | 823 | 802 | 196.6 |
| D | 1 | 52 | 57696 | 289.46 | 823 | 802 | 196.6 |
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 |  |