Observation information
- date-obs: 2018-01-21
- time-obs: 21:16:36.394900000
- date-end: 2018-01-21
- time-end: 23:32:11.386200000
- obs_id: A04_230T01_9000001854
- exposure: 4207.06041077
- sourceid: Her X-1
- observer: sumanbala
- ra_pnt: 254.4575
- dec_pnt: 35.34233
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A04_230T01_9000001854_12534cztM0_level2.evt
| modeM0/AS1A04_230T01_9000001854_12534cztM0_level2_quad_clean.evt
|
| Size (bytes) | 467,202,240 | 91,964,160 |
| Size | 445.6 MB
| 87.7 MB
|
| Events in quadrant A | 3,526,635 | 590,632 |
| Events in quadrant B | 3,497,486 | 604,563 |
| Events in quadrant C | 3,121,443 | 600,106 |
| Events in quadrant D | 3,585,622 | 559,875 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 20 | 0 |
| B | 0 | 20 | 0 |
| C | 0 | 20 | 0 |
| D | 0 | 21 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 124 | 0 |
| B | 0 | 124 | 0 |
| C | 0 | 124 | 0 |
| D | 0 | 124 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14566 | 3 |
| B | 0 | 14283 | 2 |
| C | 0 | 13275 | 2 |
| D | 0 | 14809 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6161 | 79 | 1.282259% |
| B | 6161 | 132 | 2.142509% |
| C | 6161 | 56 | 0.908943% |
| D | 6161 | 132 | 2.142509% |
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 | 7522 | 6163 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7522 | 6163 | 24 | 24 | 0.32% | 0.39% |  |
| C | 7522 | 6163 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7522 | 6163 | 46 | 46 | 0.61% | 0.75% |  |
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 | 150325 | 909.77 | 811 | 796 | 164.4 |
| A | 1 | 178 | 89854 | 541.85 | 811 | 796 | 164.4 |
| A | 1 | 161 | 75527 | 454.68 | 811 | 796 | 164.4 |
| B | 4 | 239 | 144799 | 932.09 | 817 | 799 | 154.5 |
| B | 0 | 230 | 95043 | 610.03 | 817 | 799 | 154.5 |
| B | 0 | 190 | 25890 | 162.41 | 817 | 799 | 154.5 |
| C | 13 | 61 | 5916 | 27.69 | 800 | 806 | 184.5 |
| C | 9 | 221 | 3176 | 12.84 | 800 | 806 | 184.5 |
| C | 3 | 202 | 1979 | 6.36 | 800 | 806 | 184.5 |
| D | 1 | 52 | 239825 | 1279.62 | 783 | 763 | 186.8 |
| D | 13 | 249 | 183119 | 976.09 | 783 | 763 | 186.8 |
| D | 8 | 195 | 112547 | 598.34 | 783 | 763 | 186.8 |
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 |  |