Observation information
- date-obs: 2021-08-24
- time-obs: 16:25:56.057200000
- date-end: 2021-08-24
- time-end: 18:37:04.010300000
- obs_id: C06_010T03_9000004658
- exposure: 7184.18316378
- sourceid: NGC 188
- observer: annapurni
- ra_pnt: 12.08
- dec_pnt: 85.15722
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1C06_010T03_9000004658_31937cztM0_level2.evt
| modeM0/AS1C06_010T03_9000004658_31937cztM0_level2_quad_clean.evt
|
| Size (bytes) | 957,516,480 | 137,730,240 |
| Size | 913.2 MB
| 131.3 MB
|
| Events in quadrant A | 4,272,244 | 982,033 |
| Events in quadrant B | 7,908,899 | 933,963 |
| Events in quadrant C | 6,734,668 | 906,793 |
| Events in quadrant D | 9,580,798 | 827,799 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 150 | 0 |
| B | 0 | 150 | 0 |
| C | 0 | 150 | 0 |
| D | 0 | 150 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 4 | 0 |
| B | 0 | 4 | 0 |
| C | 0 | 4 | 0 |
| D | 0 | 4 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 17562 | 1 |
| B | 0 | 28718 | 3 |
| C | 0 | 25330 | 1 |
| D | 0 | 33551 | 1 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 7469 | 76 | 1.017539% |
| B | 7467 | 902 | 12.079818% |
| C | 7469 | 794 | 10.630607% |
| D | 7469 | 2013 | 26.951399% |
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 | 7868 | 7469 | 35 | 35 | 0.44% | 0.47% |  |
| B | 7869 | 7469 | 574 | 574 | 7.29% | 7.69% |  |
| C | 7869 | 7469 | 169 | 169 | 2.15% | 2.26% |  |
| D | 7869 | 7469 | 1829 | 1829 | 23.24% | 24.49% |  |
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 | 12 | 96 | 862550 | 4944.39 | 878 | 862 | 174.3 |
| A | 13 | 254 | 14184 | 76.44 | 878 | 862 | 174.3 |
| A | 13 | 6 | 12335 | 65.83 | 878 | 862 | 174.3 |
| B | 6 | 159 | 2129303 | 13638.95 | 841 | 821 | 156.1 |
| B | 5 | 255 | 2120831 | 13584.66 | 841 | 821 | 156.1 |
| B | 5 | 172 | 168987 | 1077.58 | 841 | 821 | 156.1 |
| C | 3 | 233 | 3157956 | 16548.63 | 825 | 828 | 190.8 |
| C | 0 | 10 | 162053 | 845.09 | 825 | 828 | 190.8 |
| C | 14 | 238 | 139719 | 728.02 | 825 | 828 | 190.8 |
| D | 12 | 33 | 3879598 | 21024.0 | 778 | 754 | 184.5 |
| D | 8 | 195 | 1382074 | 7486.99 | 778 | 754 | 184.5 |
| D | 13 | 249 | 833130 | 4511.62 | 778 | 754 | 184.5 |
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 |  |