Observation information
- date-obs: 2018-04-27
- time-obs: 21:39:54.953800000
- date-end: 2018-04-27
- time-end: 23:55:33.951100000
- obs_id: A04_225T01_9000002062
- exposure: 4695.04996244
- sourceid: 4U 1702-429
- observer: navinsridhar
- ra_pnt: 256.5638
- dec_pnt: -43.03575
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A04_225T01_9000002062_13955cztM0_level2.evt
| modeM0/AS1A04_225T01_9000002062_13955cztM0_level2_quad_clean.evt
|
| Size (bytes) | 473,544,000 | 96,678,720 |
| Size | 451.6 MB
| 92.2 MB
|
| Events in quadrant A | 3,057,947 | 618,151 |
| Events in quadrant B | 3,302,999 | 648,466 |
| Events in quadrant C | 3,191,834 | 628,956 |
| Events in quadrant D | 4,350,464 | 582,264 |
Level1 data integrity
| 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 M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13345 | 3 |
| B | 0 | 14015 | 2 |
| C | 0 | 13421 | 2 |
| D | 0 | 17233 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 16 | 0 |
| B | 0 | 16 | 0 |
| C | 0 | 16 | 0 |
| D | 0 | 17 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6449 | 29 | 0.449682% |
| B | 6449 | 76 | 1.178477% |
| C | 6449 | 20 | 0.310126% |
| D | 6449 | 93 | 1.442084% |
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 | 7470 | 6451 | 5 | 5 | 0.07% | 0.08% |  |
| B | 7470 | 6451 | 37 | 37 | 0.50% | 0.57% |  |
| C | 7470 | 6451 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7470 | 6451 | 86 | 86 | 1.15% | 1.33% |  |
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 | 1 | 162 | 20076 | 122.94 | 770 | 754 | 157.2 |
| A | 12 | 189 | 17455 | 106.26 | 770 | 754 | 157.2 |
| A | 15 | 69 | 17312 | 105.35 | 770 | 754 | 157.2 |
| B | 0 | 229 | 102470 | 689.74 | 783 | 763 | 147.5 |
| B | 0 | 189 | 37907 | 251.9 | 783 | 763 | 147.5 |
| B | 3 | 209 | 37317 | 247.9 | 783 | 763 | 147.5 |
| C | 3 | 233 | 212248 | 1197.19 | 764 | 768 | 176.6 |
| C | 13 | 61 | 5472 | 26.63 | 764 | 768 | 176.6 |
| C | 3 | 202 | 1793 | 5.8 | 764 | 768 | 176.6 |
| D | 13 | 122 | 817549 | 4165.54 | 741 | 726 | 196.1 |
| D | 1 | 52 | 227997 | 1159.01 | 741 | 726 | 196.1 |
| D | 8 | 195 | 173297 | 880.06 | 741 | 726 | 196.1 |
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 |  |