Observation information
- date-obs: 2020-06-10
- time-obs: 13:22:38.839400000
- date-end: 2020-06-10
- time-end: 15:23:29.080500000
- obs_id: A09_047T01_9000003714
- exposure: 4585.87877712
- sourceid: NGC 2818
- observer: nkrao
- ra_pnt: 139.0062
- dec_pnt: -36.62706
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A09_047T01_9000003714_25421cztM0_level2.evt
| modeM0/AS1A09_047T01_9000003714_25421cztM0_level2_quad_clean.evt
|
| Size (bytes) | 585,192,960 | 95,901,120 |
| Size | 558.1 MB
| 91.5 MB
|
| Events in quadrant A | 4,090,445 | 627,635 |
| Events in quadrant B | 3,385,214 | 632,945 |
| Events in quadrant C | 3,260,096 | 607,817 |
| Events in quadrant D | 6,532,966 | 568,189 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 5 | 0 |
| B | 0 | 5 | 0 |
| C | 0 | 5 | 0 |
| D | 0 | 5 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 16491 | 0 |
| B | 0 | 14087 | 0 |
| C | 0 | 13966 | 0 |
| D | 0 | 24212 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6701 | 133 | 1.984778% |
| B | 6702 | 85 | 1.268278% |
| C | 6702 | 93 | 1.387645% |
| D | 6701 | 473 | 7.058648% |
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 | 7251 | 6701 | 95 | 95 | 1.31% | 1.42% |  |
| B | 7252 | 6702 | 0 | 0 | 0.00% | 0.00% |  |
| C | 7252 | 6702 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7251 | 6701 | 326 | 326 | 4.50% | 4.86% |  |
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 | 6 | 16 | 838940 | 4978.18 | 841 | 823 | 168.4 |
| A | 13 | 254 | 10474 | 57.32 | 841 | 823 | 168.4 |
| A | 3 | 137 | 7782 | 41.33 | 841 | 823 | 168.4 |
| B | 3 | 112 | 69920 | 435.22 | 827 | 806 | 158.8 |
| B | 0 | 229 | 54784 | 339.9 | 827 | 806 | 158.8 |
| B | 12 | 111 | 19436 | 117.31 | 827 | 806 | 158.8 |
| C | 14 | 238 | 128873 | 688.4 | 794 | 798 | 186.0 |
| C | 7 | 247 | 31753 | 166.38 | 794 | 798 | 186.0 |
| C | 2 | 16 | 5555 | 25.57 | 794 | 798 | 186.0 |
| D | 1 | 52 | 2266202 | 11988.09 | 788 | 767 | 189.0 |
| D | 7 | 238 | 648523 | 3427.75 | 788 | 767 | 189.0 |
| D | 8 | 195 | 571819 | 3021.86 | 788 | 767 | 189.0 |
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 |  |