Observation information
- date-obs: 2021-08-29
- time-obs: 05:55:15.234000000
- date-end: 2021-08-29
- time-end: 08:01:53.023300000
- obs_id: C06_010T03_9000004676
- exposure: 6243.47195798
- 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_9000004676_32004cztM0_level2.evt
| modeM0/AS1C06_010T03_9000004676_32004cztM0_level2_quad_clean.evt
|
| Size (bytes) | 541,681,920 | 140,705,280 |
| Size | 516.6 MB
| 134.2 MB
|
| Events in quadrant A | 3,263,508 | 1,001,185 |
| Events in quadrant B | 5,084,118 | 987,559 |
| Events in quadrant C | 3,688,082 | 917,470 |
| Events in quadrant D | 3,942,122 | 915,693 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 128 | 0 |
| B | 0 | 128 | 0 |
| C | 0 | 128 | 0 |
| D | 0 | 128 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13390 | 2 |
| B | 0 | 19372 | 2 |
| C | 0 | 14780 | 2 |
| D | 0 | 15551 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13 | 0 |
| B | 0 | 13 | 0 |
| C | 0 | 13 | 0 |
| D | 0 | 13 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6303 | 59 | 0.936062% |
| B | 6303 | 126 | 1.999048% |
| C | 6304 | 142 | 2.252538% |
| D | 6304 | 172 | 2.728426% |
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 | 7598 | 6303 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7598 | 6303 | 16 | 16 | 0.21% | 0.25% |  |
| C | 7599 | 6304 | 27 | 27 | 0.36% | 0.43% |  |
| D | 7599 | 6304 | 129 | 129 | 1.70% | 2.05% |  |
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 | 11258 | 63.02 | 841 | 829 | 165.5 |
| A | 13 | 6 | 9151 | 50.29 | 841 | 829 | 165.5 |
| A | 3 | 137 | 7572 | 40.75 | 841 | 829 | 165.5 |
| B | 6 | 159 | 1696135 | 11322.11 | 817 | 801 | 149.7 |
| B | 0 | 190 | 90368 | 598.16 | 817 | 801 | 149.7 |
| B | 10 | 245 | 49871 | 327.71 | 817 | 801 | 149.7 |
| C | 0 | 10 | 269158 | 1526.89 | 771 | 776 | 175.8 |
| C | 14 | 238 | 132397 | 748.83 | 771 | 776 | 175.8 |
| C | 3 | 233 | 117146 | 662.06 | 771 | 776 | 175.8 |
| D | 8 | 195 | 410498 | 2238.05 | 791 | 771 | 183.1 |
| D | 13 | 249 | 163899 | 891.05 | 791 | 771 | 183.1 |
| D | 12 | 218 | 97087 | 526.11 | 791 | 771 | 183.1 |
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 |  |