Observation information
- date-obs: 2021-02-18
- time-obs: 02:16:58.906500000
- date-end: 2021-02-18
- time-end: 07:50:46.902100000
- obs_id: A10_099T01_9000004184
- exposure: 10742.5652194
- 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_29161cztM0_level2.evt
| modeM0/AS1A10_099T01_9000004184_29161cztM0_level2_quad_clean.evt
|
| Size (bytes) | 1,337,276,160 | 223,257,600 |
| Size | 1.2 GB
| 212.9 MB
|
| Events in quadrant A | 8,498,546 | 1,395,359 |
| Events in quadrant B | 8,933,137 | 1,425,772 |
| Events in quadrant C | 8,718,230 | 1,367,676 |
| Events in quadrant D | 13,123,066 | 1,321,334 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 18 | 0 |
| B | 0 | 18 | 0 |
| C | 0 | 18 | 0 |
| D | 0 | 18 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 370 | 0 |
| B | 0 | 370 | 0 |
| C | 0 | 370 | 0 |
| D | 0 | 370 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 36793 | 3 |
| B | 0 | 37738 | 3 |
| C | 0 | 36917 | 3 |
| D | 0 | 51145 | 3 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 18158 | 105 | 0.578258% |
| B | 18159 | 156 | 0.859078% |
| C | 18159 | 178 | 0.980230% |
| D | 18159 | 648 | 3.568478% |
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 | 20028 | 18161 | 0 | 0 | 0.00% | 0.00% |  |
| B | 20029 | 18162 | 5 | 5 | 0.02% | 0.03% |  |
| C | 20029 | 18162 | 0 | 0 | 0.00% | 0.00% |  |
| D | 20029 | 18162 | 454 | 454 | 2.27% | 2.50% |  |
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 | 31213 | 65.69 | 2201 | 2158 | 442.3 |
| A | 3 | 137 | 22207 | 45.33 | 2201 | 2158 | 442.3 |
| A | 0 | 226 | 18551 | 37.06 | 2201 | 2158 | 442.3 |
| B | 10 | 246 | 139712 | 328.07 | 2183 | 2124 | 419.4 |
| B | 0 | 183 | 107795 | 251.97 | 2183 | 2124 | 419.4 |
| B | 12 | 111 | 53317 | 122.07 | 2183 | 2124 | 419.4 |
| C | 14 | 238 | 339121 | 673.25 | 2123 | 2135 | 500.5 |
| C | 3 | 233 | 54067 | 103.75 | 2123 | 2135 | 500.5 |
| C | 2 | 114 | 42471 | 80.58 | 2123 | 2135 | 500.5 |
| D | 1 | 52 | 3045981 | 6057.08 | 2115 | 2059 | 502.5 |
| D | 8 | 195 | 1942748 | 3861.77 | 2115 | 2059 | 502.5 |
| D | 2 | 234 | 78931 | 152.97 | 2115 | 2059 | 502.5 |
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 |  |