Observation information
- date-obs: 2017-08-25
- time-obs: 16:00:16.293400000
- date-end: 2017-08-25
- time-end: 18:17:45.295900000
- obs_id: A03_112T01_9000001488
- exposure: 4432.26433282
- sourceid: NGC 1261
- observer: pandey
- ra_pnt: 48.06754
- dec_pnt: -55.21622
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A03_112T01_9000001488_10325cztM0_level2.evt
| modeM0/AS1A03_112T01_9000001488_10325cztM0_level2_quad_clean.evt
|
| Size (bytes) | 555,071,040 | 86,520,960 |
| Size | 529.4 MB
| 82.5 MB
|
| Events in quadrant A | 4,073,239 | 521,715 |
| Events in quadrant B | 4,252,734 | 526,520 |
| Events in quadrant C | 3,552,183 | 524,767 |
| Events in quadrant D | 4,404,072 | 506,066 |
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 | 158 | 0 |
| B | 0 | 158 | 2 |
| C | 0 | 158 | 0 |
| D | 0 | 158 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 17175 | 22 |
| B | 0 | 17900 | 21 |
| C | 0 | 16195 | 14 |
| D | 0 | 18122 | 24 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 7787 | 244 | 3.133428% |
| B | 7787 | 332 | 4.263516% |
| C | 7789 | 87 | 1.116960% |
| D | 7784 | 178 | 2.286742% |
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 | 8249 | 7797 | 31 | 31 | 0.38% | 0.40% |  |
| B | 8249 | 7797 | 60 | 60 | 0.73% | 0.77% |  |
| C | 8249 | 7797 | 0 | 0 | 0.00% | 0.00% |  |
| D | 8249 | 7797 | 71 | 71 | 0.86% | 0.91% |  |
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 | 8 | 15 | 344738 | 1808.73 | 928 | 903 | 190.1 |
| A | 15 | 174 | 68436 | 355.25 | 928 | 903 | 190.1 |
| A | 8 | 5 | 42189 | 217.18 | 928 | 903 | 190.1 |
| B | 4 | 239 | 406345 | 2280.6 | 926 | 901 | 177.8 |
| B | 11 | 51 | 99697 | 555.72 | 926 | 901 | 177.8 |
| B | 0 | 214 | 82695 | 460.09 | 926 | 901 | 177.8 |
| C | 8 | 128 | 11062 | 48.42 | 903 | 905 | 209.7 |
| C | 14 | 234 | 8165 | 34.61 | 903 | 905 | 209.7 |
| C | 13 | 61 | 6803 | 28.12 | 903 | 905 | 209.7 |
| D | 8 | 195 | 379376 | 1754.78 | 899 | 873 | 215.7 |
| D | 5 | 222 | 134772 | 620.77 | 899 | 873 | 215.7 |
| D | 1 | 52 | 132851 | 611.86 | 899 | 873 | 215.7 |
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 |  |