Observation information
- date-obs: 2019-08-14
- time-obs: 01:10:45.922800000
- date-end: 2019-08-14
- time-end: 04:24:46.880200000
- obs_id: T03_131T01_9000003090
- exposure: 4619.75883633
- sourceid: SAX J1808-3658
- observer: an.sanna
- ra_pnt: 272.1147
- dec_pnt: -36.97897
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1T03_131T01_9000003090_20959cztM0_level2.evt
| modeM0/AS1T03_131T01_9000003090_20959cztM0_level2_quad_clean.evt
|
| Size (bytes) | 710,997,120 | 113,650,560 |
| Size | 678.1 MB
| 108.4 MB
|
| Events in quadrant A | 4,767,565 | 713,599 |
| Events in quadrant B | 5,144,636 | 733,349 |
| Events in quadrant C | 4,774,826 | 706,395 |
| Events in quadrant D | 6,239,957 | 667,357 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 180 | 0 |
| B | 0 | 180 | 0 |
| C | 0 | 180 | 0 |
| D | 0 | 180 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 28 | 0 |
| B | 0 | 28 | 0 |
| C | 0 | 28 | 0 |
| D | 0 | 28 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 19276 | 1 |
| B | 0 | 20595 | 1 |
| C | 0 | 19137 | 1 |
| D | 0 | 24367 | 1 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 8962 | 74 | 0.825709% |
| B | 8961 | 113 | 1.261020% |
| C | 8961 | 121 | 1.350296% |
| D | 8961 | 294 | 3.280884% |
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 | 11642 | 8964 | 27 | 27 | 0.23% | 0.30% |  |
| B | 11641 | 8963 | 22 | 22 | 0.19% | 0.25% |  |
| C | 11641 | 8963 | 11 | 11 | 0.09% | 0.12% |  |
| D | 11641 | 8963 | 191 | 191 | 1.64% | 2.13% |  |
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 | 5 | 16 | 168539 | 701.54 | 1196 | 1172 | 238.6 |
| A | 0 | 226 | 10311 | 38.31 | 1196 | 1172 | 238.6 |
| A | 3 | 137 | 9162 | 33.49 | 1196 | 1172 | 238.6 |
| B | 7 | 220 | 302200 | 1355.54 | 1202 | 1178 | 222.1 |
| B | 4 | 216 | 68421 | 302.8 | 1202 | 1178 | 222.1 |
| B | 0 | 190 | 31539 | 136.72 | 1202 | 1178 | 222.1 |
| C | 14 | 238 | 184129 | 687.65 | 1157 | 1169 | 266.1 |
| C | 9 | 54 | 74036 | 273.87 | 1157 | 1169 | 266.1 |
| C | 7 | 247 | 9836 | 32.57 | 1157 | 1169 | 266.1 |
| D | 5 | 222 | 685579 | 2440.17 | 1155 | 1123 | 280.5 |
| D | 1 | 52 | 492979 | 1753.53 | 1155 | 1123 | 280.5 |
| D | 9 | 1 | 445966 | 1585.92 | 1155 | 1123 | 280.5 |
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 |  |