Observation information
- date-obs: 2020-03-22
- time-obs: 01:34:43.221100000
- date-end: 2020-03-22
- time-end: 03:51:22.218900000
- obs_id: A07_118T01_9000003586
- exposure: 4640.13393426
- sourceid: NGC6822
- observer: dthilker
- ra_pnt: 296.2542
- dec_pnt: -14.81528
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A07_118T01_9000003586_24230cztM0_level2.evt
| modeM0/AS1A07_118T01_9000003586_24230cztM0_level2_quad_clean.evt
|
| Size (bytes) | 545,388,480 | 112,466,880 |
| Size | 520.1 MB
| 107.3 MB
|
| Events in quadrant A | 3,531,952 | 759,745 |
| Events in quadrant B | 3,506,818 | 794,927 |
| Events in quadrant C | 3,867,197 | 743,473 |
| Events in quadrant D | 5,194,436 | 678,635 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14305 | 2 |
| B | 0 | 14279 | 2 |
| C | 0 | 15318 | 2 |
| D | 0 | 19633 | 2 |
| 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 M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 20 | 0 |
| B | 0 | 21 | 0 |
| C | 0 | 21 | 0 |
| D | 0 | 21 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6153 | 115 | 1.869007% |
| B | 6153 | 55 | 0.893873% |
| C | 6152 | 245 | 3.982445% |
| D | 6152 | 671 | 10.907022% |
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 | 7513 | 6153 | 62 | 62 | 0.83% | 1.01% |  |
| B | 7513 | 6154 | 12 | 12 | 0.16% | 0.19% |  |
| C | 7512 | 6153 | 115 | 115 | 1.53% | 1.87% |  |
| D | 7512 | 6153 | 602 | 602 | 8.01% | 9.78% |  |
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 | 265783 | 1591.31 | 839 | 826 | 166.5 |
| A | 3 | 1 | 33454 | 195.96 | 839 | 826 | 166.5 |
| A | 13 | 254 | 10937 | 60.73 | 839 | 826 | 166.5 |
| B | 0 | 245 | 157652 | 989.56 | 851 | 831 | 158.5 |
| B | 12 | 111 | 18011 | 108.41 | 851 | 831 | 158.5 |
| B | 11 | 111 | 15699 | 93.82 | 851 | 831 | 158.5 |
| C | 2 | 16 | 516579 | 2709.06 | 818 | 827 | 190.4 |
| C | 14 | 238 | 130232 | 679.72 | 818 | 827 | 190.4 |
| C | 7 | 247 | 29887 | 152.64 | 818 | 827 | 190.4 |
| D | 1 | 52 | 1768489 | 9371.47 | 777 | 758 | 188.6 |
| D | 12 | 233 | 176632 | 932.38 | 777 | 758 | 188.6 |
| D | 8 | 195 | 167430 | 883.6 | 777 | 758 | 188.6 |
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 |  |