Observation information
- date-obs: 2021-02-17
- time-obs: 12:09:34.915100000
- date-end: 2021-02-17
- time-end: 14:25:22.912200000
- obs_id: A10_099T01_9000004184
- exposure: 2904.05783927
- sourceid: NGC 4748
- observer: mainpal
- ra_pnt: 193.0519
- dec_pnt: -13.41472
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A10_099T01_9000004184_29151cztM0_level2.evt
| modeM0/AS1A10_099T01_9000004184_29151cztM0_level2_quad_clean.evt
|
| Size (bytes) | 509,834,880 | 69,906,240 |
| Size | 486.2 MB
| 66.7 MB
|
| Events in quadrant A | 3,616,765 | 426,161 |
| Events in quadrant B | 3,732,105 | 428,718 |
| Events in quadrant C | 3,646,681 | 407,511 |
| Events in quadrant D | 4,005,882 | 402,570 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 16 | 0 |
| B | 0 | 17 | 0 |
| C | 0 | 17 | 0 |
| D | 0 | 17 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 132 | 0 |
| B | 0 | 132 | 0 |
| C | 0 | 132 | 0 |
| D | 0 | 132 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 15034 | 2 |
| B | 0 | 15350 | 2 |
| C | 0 | 15004 | 2 |
| D | 0 | 16406 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6472 | 93 | 1.436959% |
| B | 6472 | 111 | 1.715080% |
| C | 6472 | 148 | 2.286774% |
| D | 6472 | 115 | 1.776885% |
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 | 7757 | 6473 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7757 | 6473 | 5 | 5 | 0.06% | 0.08% |  |
| C | 7757 | 6473 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7757 | 6473 | 41 | 41 | 0.53% | 0.63% |  |
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 | 13 | 254 | 12608 | 63.35 | 936 | 920 | 184.5 |
| A | 3 | 137 | 8446 | 40.79 | 936 | 920 | 184.5 |
| A | 0 | 226 | 8234 | 39.64 | 936 | 920 | 184.5 |
| B | 0 | 189 | 35112 | 197.74 | 922 | 903 | 173.0 |
| B | 0 | 183 | 32362 | 181.84 | 922 | 903 | 173.0 |
| B | 12 | 111 | 20178 | 111.41 | 922 | 903 | 173.0 |
| C | 14 | 238 | 152344 | 738.33 | 886 | 896 | 205.1 |
| C | 3 | 233 | 17336 | 80.14 | 886 | 896 | 205.1 |
| C | 2 | 114 | 15584 | 71.6 | 886 | 896 | 205.1 |
| D | 1 | 52 | 301620 | 1440.43 | 896 | 877 | 208.8 |
| D | 8 | 195 | 239165 | 1141.3 | 896 | 877 | 208.8 |
| D | 2 | 234 | 27799 | 128.95 | 896 | 877 | 208.8 |
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 |  |