Observation information
- date-obs: 2021-02-19
- time-obs: 00:31:42.885500000
- date-end: 2021-02-19
- time-end: 02:50:23.883400000
- obs_id: A10_099T01_9000004184
- exposure: 5365.80922209
- 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_29173cztM0_level2.evt
| modeM0/AS1A10_099T01_9000004184_29173cztM0_level2_quad_clean.evt
|
| Size (bytes) | 556,948,800 | 108,881,280 |
| Size | 531.1 MB
| 103.8 MB
|
| Events in quadrant A | 3,764,410 | 699,402 |
| Events in quadrant B | 3,954,140 | 712,808 |
| Events in quadrant C | 3,870,689 | 681,851 |
| Events in quadrant D | 4,749,346 | 661,480 |
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 SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 162 | 0 |
| B | 0 | 162 | 0 |
| C | 0 | 162 | 0 |
| D | 0 | 162 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 16198 | 2 |
| B | 0 | 16680 | 2 |
| C | 0 | 16300 | 2 |
| D | 0 | 19537 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 7791 | 102 | 1.309203% |
| B | 7792 | 152 | 1.950719% |
| C | 7792 | 173 | 2.220226% |
| D | 7792 | 196 | 2.515400% |
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 | 8321 | 7795 | 0 | 0 | 0.00% | 0.00% |  |
| B | 8322 | 7796 | 1 | 1 | 0.01% | 0.01% |  |
| C | 8322 | 7796 | 0 | 0 | 0.00% | 0.00% |  |
| D | 8322 | 7796 | 92 | 92 | 1.11% | 1.18% |  |
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 | 13771 | 64.85 | 975 | 952 | 197.7 |
| A | 3 | 137 | 10232 | 46.95 | 975 | 952 | 197.7 |
| A | 0 | 226 | 8227 | 36.8 | 975 | 952 | 197.7 |
| B | 0 | 183 | 112755 | 587.06 | 969 | 941 | 190.5 |
| B | 12 | 111 | 24093 | 121.56 | 969 | 941 | 190.5 |
| B | 11 | 111 | 21747 | 109.24 | 969 | 941 | 190.5 |
| C | 14 | 238 | 149142 | 668.6 | 937 | 944 | 221.7 |
| C | 3 | 233 | 39348 | 173.26 | 937 | 944 | 221.7 |
| C | 2 | 114 | 18422 | 78.85 | 937 | 944 | 221.7 |
| D | 1 | 52 | 877091 | 3881.51 | 940 | 915 | 225.7 |
| D | 8 | 195 | 183759 | 810.01 | 940 | 915 | 225.7 |
| D | 13 | 153 | 46863 | 203.55 | 940 | 915 | 225.7 |
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 |  |