Observation information
- date-obs: 2019-08-26
- time-obs: 03:02:00.496700000
- date-end: 2019-08-26
- time-end: 05:29:26.496200000
- obs_id: T03_136T01_9000003124
- exposure: 4213.42461243
- sourceid: SAX J1808.4-3658
- observer: navinsridhar
- ra_pnt: 272.1147
- dec_pnt: -36.97897
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1T03_136T01_9000003124_21137cztM0_level2.evt
| modeM0/AS1T03_136T01_9000003124_21137cztM0_level2_quad_clean.evt
|
| Size (bytes) | 678,867,840 | 89,288,640 |
| Size | 647.4 MB
| 85.2 MB
|
| Events in quadrant A | 3,916,313 | 550,257 |
| Events in quadrant B | 3,992,884 | 563,499 |
| Events in quadrant C | 3,813,653 | 545,261 |
| Events in quadrant D | 8,298,544 | 491,693 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 16863 | 2 |
| B | 0 | 16937 | 2 |
| C | 0 | 16536 | 2 |
| D | 0 | 30179 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 162 | 0 |
| B | 0 | 162 | 0 |
| C | 0 | 162 | 0 |
| D | 0 | 162 | 0 |
| 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 | 7956 | 93 | 1.168929% |
| B | 7957 | 142 | 1.784592% |
| C | 7957 | 165 | 2.073646% |
| D | 7957 | 753 | 9.463366% |
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 | 8846 | 7959 | 1 | 1 | 0.01% | 0.01% |  |
| B | 8847 | 7960 | 4 | 4 | 0.05% | 0.05% |  |
| C | 8847 | 7960 | 0 | 0 | 0.00% | 0.00% |  |
| D | 8847 | 7960 | 682 | 682 | 7.71% | 8.57% |  |
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 | 15 | 192 | 162422 | 816.44 | 971 | 950 | 197.8 |
| A | 13 | 254 | 10573 | 48.66 | 971 | 950 | 197.8 |
| A | 8 | 6 | 10043 | 45.98 | 971 | 950 | 197.8 |
| B | 0 | 230 | 60439 | 316.99 | 976 | 954 | 187.7 |
| B | 3 | 64 | 33236 | 172.03 | 976 | 954 | 187.7 |
| B | 12 | 111 | 23139 | 118.22 | 976 | 954 | 187.7 |
| C | 14 | 238 | 145110 | 655.54 | 936 | 941 | 219.9 |
| C | 4 | 223 | 19510 | 84.43 | 936 | 941 | 219.9 |
| C | 13 | 61 | 6538 | 25.45 | 936 | 941 | 219.9 |
| D | 1 | 52 | 3193364 | 14149.63 | 922 | 894 | 225.6 |
| D | 5 | 222 | 518717 | 2295.09 | 922 | 894 | 225.6 |
| D | 1 | 20 | 474687 | 2099.94 | 922 | 894 | 225.6 |
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 |  |