Observation information
- date-obs: 2024-01-15
- time-obs: 10:47:36.758000000
- date-end: 2024-01-15
- time-end: 13:02:06.755100000
- obs_id: A13_042T03_9000006030
- exposure: 6278.11133611
- sourceid: NGC4826
- observer: rosolowsky
- ra_pnt: 194.1818
- dec_pnt: 21.68297
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A13_042T03_9000006030_44877cztM0_level2.fits
| modeM0/AS1A13_042T03_9000006030_44877cztM0_level2_quad_clean.evt
|
| Size (bytes) | 528,641,280 | 113,463,360 |
| Size | 504.2 MB
| 108.2 MB
|
| Events in quadrant A | 5,550,266 | 764,786 |
| Events in quadrant B | 4,050,838 | 780,525 |
| Events in quadrant C | 3,258,396 | 761,073 |
| Events in quadrant D | 6,178,318 | 652,417 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 12 | 0 |
| B | 0 | 13 | 0 |
| C | 0 | 13 | 0 |
| D | 0 | 13 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 138 | 0 |
| B | 0 | 138 | 0 |
| C | 0 | 138 | 0 |
| D | 0 | 138 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 21823 | 2 |
| B | 0 | 16382 | 2 |
| C | 0 | 14369 | 2 |
| D | 0 | 22966 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6844 | 191 | 2.790766% |
| B | 6844 | 230 | 3.360608% |
| C | 6844 | 69 | 1.008182% |
| D | 6844 | 683 | 9.979544% |
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 | 7904 | 6845 | 14 | 14 | 0.18% | 0.20% |  |
| B | 7904 | 6845 | 99 | 99 | 1.25% | 1.45% |  |
| C | 7904 | 6845 | 11 | 11 | 0.14% | 0.16% |  |
| D | 7904 | 6845 | 520 | 520 | 6.58% | 7.60% |  |
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 | 10 | 83 | 2332842 | 13920.86 | 806 | 788 | 167.5 |
| A | 7 | 3 | 41419 | 242.54 | 806 | 788 | 167.5 |
| A | 13 | 248 | 39632 | 231.87 | 806 | 788 | 167.5 |
| B | 3 | 112 | 240263 | 1512.67 | 794 | 770 | 158.3 |
| B | 5 | 255 | 212150 | 1335.1 | 794 | 770 | 158.3 |
| B | 0 | 183 | 184785 | 1162.26 | 794 | 770 | 158.3 |
| C | 1 | 3 | 102037 | 548.29 | 792 | 798 | 184.6 |
| C | 11 | 16 | 29060 | 153.06 | 792 | 798 | 184.6 |
| C | 12 | 250 | 20752 | 108.07 | 792 | 798 | 184.6 |
| D | 1 | 52 | 1474315 | 7522.07 | 773 | 750 | 195.9 |
| D | 13 | 249 | 843006 | 4299.44 | 773 | 750 | 195.9 |
| D | 5 | 171 | 419763 | 2138.92 | 773 | 750 | 195.9 |
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 |  |