Observation information
- date-obs: 2015-12-01
- time-obs: 16-37-53.000006438
- date-end: 2015-12-01
- time-end: 18-44-35.000006429
- obs_id: P01_998T01_9000000188
- exposure: 6540.2119363
- sourceid: NGC188
- observer: annapurni
- ra_pnt: 12.08
- dec_pnt: 85.22392
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1P01_998T01_9000000188_00957cztM0_level2.evt
| modeM0/AS1P01_998T01_9000000188_00957cztM0_level2_quad_clean.evt
|
| Size (bytes) | 1,147,999,680 | 103,389,120 |
| Size | 1.1 GB
| 98.6 MB
|
| Events in quadrant A | 7,858,449 | 685,499 |
| Events in quadrant B | 8,517,746 | 679,550 |
| Events in quadrant C | 9,775,347 | 655,934 |
| Events in quadrant D | 8,180,133 | 650,554 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 28027 | 0 |
| B | 0 | 29987 | 0 |
| C | 0 | 33653 | 0 |
| D | 0 | 28990 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 10 | 0 |
| B | 0 | 10 | 0 |
| C | 0 | 10 | 0 |
| D | 0 | 10 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 134 | 0 |
| B | 0 | 134 | 0 |
| C | 0 | 134 | 0 |
| D | 0 | 134 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6591 | 20 | 0.303444% |
| B | 6592 | 39 | 0.591626% |
| C | 6592 | 84 | 1.274272% |
| D | 6592 | 113 | 1.714199% |
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 | 7601 | 6592 | 269 | 269 | 3.54% | 4.08% |  |
| B | 7602 | 6593 | 359 | 359 | 4.72% | 5.45% |  |
| C | 7602 | 6593 | 721 | 721 | 9.48% | 10.94% |  |
| D | 7602 | 6593 | 507 | 507 | 6.67% | 7.69% |  |
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 | 14 | 170 | 176630 | 362.01 | 2000 | 2011 | 482.4 |
| A | 11 | 79 | 7469 | 11.32 | 2000 | 2011 | 482.4 |
| A | 3 | 111 | 5979 | 8.23 | 2000 | 2011 | 482.4 |
| B | 0 | 220 | 193872 | 388.13 | 2104 | 2106 | 494.1 |
| B | 7 | 221 | 144189 | 287.57 | 2104 | 2106 | 494.1 |
| B | 4 | 232 | 42177 | 81.1 | 2104 | 2106 | 494.1 |
| C | 10 | 34 | 1456660 | 2695.54 | 1952 | 2026 | 539.6 |
| C | 15 | 241 | 312542 | 575.41 | 1952 | 2026 | 539.6 |
| C | 9 | 52 | 222754 | 409.02 | 1952 | 2026 | 539.6 |
| D | 1 | 4 | 589220 | 1095.22 | 1914 | 1953 | 536.2 |
| D | 7 | 222 | 137560 | 252.9 | 1914 | 1953 | 536.2 |
| D | 13 | 73 | 113049 | 207.19 | 1914 | 1953 | 536.2 |
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 |  |