Observation information
- date-obs: 2019-10-11
- time-obs: 01:52:35.404200000
- date-end: 2019-10-11
- time-end: 04:00:43.401800000
- obs_id: A07_004T01_9000003230
- exposure: 3657.97461192
- 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_21817cztM0_level2.evt
| modeM0/AS1A07_004T01_9000003230_21817cztM0_level2_quad_clean.evt
|
| Size (bytes) | 498,913,920 | 78,750,720 |
| Size | 475.8 MB
| 75.1 MB
|
| Events in quadrant A | 3,560,647 | 469,301 |
| Events in quadrant B | 3,754,392 | 480,043 |
| Events in quadrant C | 3,562,936 | 466,566 |
| Events in quadrant D | 3,727,735 | 452,628 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 150 | 0 |
| B | 0 | 150 | 0 |
| C | 0 | 150 | 0 |
| D | 0 | 150 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 15365 | 1 |
| B | 0 | 15807 | 1 |
| C | 0 | 15357 | 1 |
| D | 0 | 16249 | 1 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 3 | 0 |
| B | 0 | 3 | 0 |
| C | 0 | 3 | 0 |
| D | 0 | 3 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 7414 | 167 | 2.252495% |
| B | 7414 | 194 | 2.616671% |
| C | 7414 | 189 | 2.549231% |
| D | 7414 | 160 | 2.158079% |
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 | 7689 | 7414 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7689 | 7414 | 2 | 2 | 0.03% | 0.03% |  |
| C | 7689 | 7414 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7689 | 7414 | 18 | 18 | 0.23% | 0.24% |  |
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 | 13 | 252 | 47179 | 251.1 | 909 | 888 | 184.4 |
| A | 13 | 254 | 14185 | 72.13 | 909 | 888 | 184.4 |
| A | 3 | 137 | 7818 | 37.59 | 909 | 888 | 184.4 |
| B | 0 | 190 | 76328 | 424.37 | 914 | 891 | 177.8 |
| B | 0 | 197 | 32201 | 176.14 | 914 | 891 | 177.8 |
| B | 0 | 230 | 23386 | 126.55 | 914 | 891 | 177.8 |
| C | 14 | 238 | 134022 | 642.18 | 877 | 880 | 207.3 |
| C | 13 | 61 | 6086 | 25.11 | 877 | 880 | 207.3 |
| C | 10 | 23 | 4989 | 19.82 | 877 | 880 | 207.3 |
| D | 1 | 52 | 200001 | 918.35 | 886 | 859 | 216.8 |
| D | 13 | 153 | 50849 | 230.53 | 886 | 859 | 216.8 |
| D | 13 | 172 | 49357 | 223.65 | 886 | 859 | 216.8 |
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 |  |