Observation information
- date-obs: 2019-10-13
- time-obs: 09:38:21.344000000
- date-end: 2019-10-13
- time-end: 11:46:33.341400000
- obs_id: A07_004T01_9000003230
- exposure: 5107.95790085
- sourceid: SAX J1808.4-3658
- observer: dleahy
- ra_pnt: 272.1147
- dec_pnt: -36.97897
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A07_004T01_9000003230_21851cztM0_level2.evt
| modeM0/AS1A07_004T01_9000003230_21851cztM0_level2_quad_clean.evt
|
| Size (bytes) | 492,062,400 | 102,510,720 |
| Size | 469.3 MB
| 97.8 MB
|
| Events in quadrant A | 3,271,147 | 669,227 |
| Events in quadrant B | 3,554,988 | 678,640 |
| Events in quadrant C | 3,234,623 | 654,328 |
| Events in quadrant D | 4,382,193 | 630,821 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 138 | 0 |
| B | 0 | 138 | 0 |
| C | 0 | 138 | 0 |
| D | 0 | 138 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14063 | 1 |
| B | 0 | 14711 | 1 |
| C | 0 | 14015 | 1 |
| D | 0 | 17940 | 1 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 9 | 0 |
| B | 0 | 9 | 0 |
| C | 0 | 9 | 0 |
| D | 0 | 9 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6763 | 47 | 0.694958% |
| B | 6762 | 61 | 0.902100% |
| C | 6762 | 63 | 0.931677% |
| D | 6762 | 141 | 2.085182% |
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 | 7693 | 6764 | 5 | 5 | 0.06% | 0.07% |  |
| B | 7692 | 6763 | 19 | 19 | 0.25% | 0.28% |  |
| C | 7692 | 6763 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7692 | 6763 | 70 | 70 | 0.91% | 1.04% |  |
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 | 4 | 2 | 40230 | 233.33 | 834 | 817 | 168.9 |
| A | 13 | 254 | 13344 | 74.16 | 834 | 817 | 168.9 |
| A | 10 | 17 | 8884 | 47.76 | 834 | 817 | 168.9 |
| B | 3 | 64 | 113862 | 703.82 | 828 | 806 | 160.6 |
| B | 0 | 190 | 53418 | 327.53 | 828 | 806 | 160.6 |
| B | 0 | 230 | 43563 | 266.18 | 828 | 806 | 160.6 |
| C | 14 | 238 | 121840 | 646.64 | 792 | 798 | 187.2 |
| C | 5 | 112 | 12504 | 62.54 | 792 | 798 | 187.2 |
| C | 4 | 175 | 10492 | 51.79 | 792 | 798 | 187.2 |
| D | 13 | 174 | 564301 | 2631.33 | 796 | 781 | 214.2 |
| D | 13 | 172 | 274338 | 1277.36 | 796 | 781 | 214.2 |
| D | 1 | 52 | 238791 | 1111.38 | 796 | 781 | 214.2 |
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 |  |