Observation information
- date-obs: 2021-08-07
- time-obs: 18:28:10.923500000
- date-end: 2021-08-07
- time-end: 20:31:33.924200000
- obs_id: A10_103T09_9000004630
- exposure: 3871.89927955
- sourceid: NGC 6637
- observer: annapurni
- ra_pnt: 277.8463
- dec_pnt: -32.34808
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A10_103T09_9000004630_31686cztM0_level2.evt
| modeM0/AS1A10_103T09_9000004630_31686cztM0_level2_quad_clean.evt
|
| Size (bytes) | 572,817,600 | 93,695,040 |
| Size | 546.3 MB
| 89.4 MB
|
| Events in quadrant A | 3,162,789 | 632,475 |
| Events in quadrant B | 5,825,786 | 615,462 |
| Events in quadrant C | 4,288,768 | 583,524 |
| Events in quadrant D | 3,661,258 | 583,220 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13 | 0 |
| B | 0 | 13 | 0 |
| C | 0 | 13 | 0 |
| D | 0 | 13 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13110 | 1 |
| B | 0 | 21498 | 2 |
| C | 0 | 16654 | 1 |
| D | 0 | 15084 | 1 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 124 | 0 |
| B | 0 | 124 | 0 |
| C | 0 | 124 | 0 |
| D | 0 | 124 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6048 | 66 | 1.091270% |
| B | 6048 | 382 | 6.316138% |
| C | 6048 | 319 | 5.274471% |
| D | 6048 | 73 | 1.207011% |
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 | 7403 | 6049 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7403 | 6049 | 186 | 186 | 2.51% | 3.07% |  |
| C | 7403 | 6049 | 136 | 136 | 1.84% | 2.25% |  |
| D | 7403 | 6049 | 15 | 15 | 0.20% | 0.25% |  |
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 | 0 | 13 | 19171 | 113.72 | 813 | 800 | 161.5 |
| A | 13 | 254 | 12093 | 69.9 | 813 | 800 | 161.5 |
| A | 3 | 137 | 7684 | 42.61 | 813 | 800 | 161.5 |
| B | 6 | 159 | 1781939 | 11918.6 | 793 | 776 | 149.4 |
| B | 10 | 245 | 542519 | 3625.06 | 793 | 776 | 149.4 |
| B | 4 | 80 | 174479 | 1162.33 | 793 | 776 | 149.4 |
| C | 3 | 233 | 802074 | 4598.37 | 750 | 756 | 174.3 |
| C | 0 | 10 | 267783 | 1532.34 | 750 | 756 | 174.3 |
| C | 14 | 238 | 124659 | 711.02 | 750 | 756 | 174.3 |
| D | 8 | 195 | 589024 | 3262.72 | 769 | 754 | 180.3 |
| D | 13 | 249 | 94944 | 522.4 | 769 | 754 | 180.3 |
| D | 2 | 234 | 28367 | 153.15 | 769 | 754 | 180.3 |
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 |  |