Observation information
- date-obs: 2017-09-10
- time-obs: 23:58:14.885500000
- date-end: 2017-09-11
- time-end: 02:16:11.882800000
- obs_id: G07_004T01_9000001532
- exposure: 4488.86261558
- sourceid: NGC0891
- observer: jmurthy
- ra_pnt: 35.63922
- dec_pnt: 42.34915
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1G07_004T01_9000001532_10567cztM0_level2.evt
| modeM0/AS1G07_004T01_9000001532_10567cztM0_level2_quad_clean.evt
|
| Size (bytes) | 474,825,600 | 91,869,120 |
| Size | 452.8 MB
| 87.6 MB
|
| Events in quadrant A | 3,007,116 | 571,705 |
| Events in quadrant B | 3,757,081 | 592,136 |
| Events in quadrant C | 3,000,196 | 602,396 |
| Events in quadrant D | 4,169,834 | 558,052 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13497 | 15 |
| B | 0 | 15547 | 10 |
| C | 0 | 13556 | 4 |
| D | 0 | 16848 | 19 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 132 | 0 |
| B | 0 | 132 | 0 |
| C | 0 | 132 | 0 |
| D | 0 | 132 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 18 | 0 |
| B | 0 | 18 | 0 |
| C | 0 | 18 | 0 |
| D | 0 | 18 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6572 | 12 | 0.182593% |
| B | 6573 | 200 | 3.042751% |
| C | 6576 | 9 | 0.136861% |
| D | 6571 | 90 | 1.369655% |
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 | 7864 | 6579 | 1 | 1 | 0.01% | 0.02% |  |
| B | 7864 | 6579 | 95 | 95 | 1.21% | 1.44% |  |
| C | 7864 | 6579 | 3 | 3 | 0.04% | 0.05% |  |
| D | 7864 | 6579 | 81 | 81 | 1.03% | 1.23% |  |
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 | 26288 | 164.74 | 765 | 751 | 155.0 |
| A | 13 | 251 | 16671 | 102.7 | 765 | 751 | 155.0 |
| A | 1 | 161 | 7040 | 40.57 | 765 | 751 | 155.0 |
| B | 4 | 239 | 652610 | 4454.68 | 773 | 756 | 146.3 |
| B | 0 | 214 | 30489 | 203.19 | 773 | 756 | 146.3 |
| B | 0 | 219 | 30109 | 200.59 | 773 | 756 | 146.3 |
| C | 14 | 234 | 40737 | 229.53 | 758 | 764 | 174.1 |
| C | 13 | 61 | 5753 | 28.65 | 758 | 764 | 174.1 |
| C | 4 | 175 | 2592 | 10.5 | 758 | 764 | 174.1 |
| D | 2 | 16 | 613826 | 3479.94 | 738 | 717 | 176.2 |
| D | 12 | 233 | 565364 | 3204.87 | 738 | 717 | 176.2 |
| D | 8 | 195 | 121532 | 685.73 | 738 | 717 | 176.2 |
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 |  |