Observation information
- date-obs: 2018-07-17
- time-obs: 18:36:04.310400000
- date-end: 2018-07-19
- time-end: 01:45:47.383700000
- obs_id: A04_218T08_9000002236
- exposure: 49319.425384
- sourceid: SWIFT J1921.1-5842
- observer: gulabd
- ra_pnt: 290.3089
- dec_pnt: -58.67037
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A04_218T08_9000002236cztM0_level2.fits
| modeM0/AS1A04_218T08_9000002236cztM0_level2_quad_clean.evt
|
| Size (bytes) | 910,353,600 | 864,864,000 |
| Size | 868.2 MB
| 824.8 MB
|
| Events in quadrant A | 5,497,672 | 5,093,070 |
| Events in quadrant B | 5,358,348 | 5,106,550 |
| Events in quadrant C | 5,497,350 | 4,954,609 |
| Events in quadrant D | 4,746,524 | 4,567,510 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 1924 | 0 |
| B | 0 | 1924 | 0 |
| C | 0 | 1924 | 0 |
| D | 0 | 1924 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 178 | 0 |
| B | 0 | 178 | 0 |
| C | 0 | 178 | 0 |
| D | 0 | 178 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 216208 | 0 |
| B | 0 | 203091 | 0 |
| C | 0 | 210348 | 0 |
| D | 0 | 203765 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 94399 | 1126 | 1.192809% |
| B | 94399 | 1508 | 1.597475% |
| C | 94399 | 845 | 0.895137% |
| D | 94399 | 1107 | 1.172682% |
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 | 112184 | 94394 | 0 | 0 | 0.00% | 0.00% |  |
| B | 112184 | 94386 | 0 | 0 | 0.00% | 0.00% |  |
| C | 112184 | 94390 | 0 | 0 | 0.00% | 0.00% |  |
| D | 112184 | 94388 | 0 | 0 | 0.00% | 0.00% |  |
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 | 0 | 29 | 5308 | 11.22 | 1431 | 1345 | 353.3 |
| A | 7 | 110 | 4364 | 8.55 | 1431 | 1345 | 353.3 |
| A | 9 | 19 | 4107 | 7.82 | 1431 | 1345 | 353.3 |
| B | 2 | 9 | 4601 | 11.91 | 1416 | 1356 | 272.3 |
| B | 5 | 128 | 3521 | 7.95 | 1416 | 1356 | 272.3 |
| B | 2 | 8 | 3443 | 7.66 | 1416 | 1356 | 272.3 |
| C | 12 | 241 | 3874 | 6.72 | 1453 | 1359 | 374.5 |
| C | 3 | 126 | 3737 | 6.35 | 1453 | 1359 | 374.5 |
| C | 9 | 242 | 3682 | 6.2 | 1453 | 1359 | 374.5 |
| D | 6 | 231 | 3575 | 6.47 | 1354 | 1228 | 362.5 |
| D | 3 | 14 | 3511 | 6.3 | 1354 | 1228 | 362.5 |
| D | 6 | 67 | 3349 | 5.85 | 1354 | 1228 | 362.5 |
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 |  |