Observation information
- date-obs: 2017-02-14
- time-obs: 16:19:48.418200000
- date-end: 2017-02-14
- time-end: 18:50:58.416700000
- obs_id: A02_058T02_9000001030
- exposure: 4506.65698036
- sourceid: NGC 4262
- observer: omkar
- ra_pnt: 184.8774
- dec_pnt: 14.87772
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A02_058T02_9000001030_07484cztM0_level2.evt
| modeM0/AS1A02_058T02_9000001030_07484cztM0_level2_quad_clean.evt
|
| Size (bytes) | 474,742,080 | 91,368,000 |
| Size | 452.7 MB
| 87.1 MB
|
| Events in quadrant A | 3,351,268 | 575,955 |
| Events in quadrant B | 3,487,468 | 589,698 |
| Events in quadrant C | 3,278,642 | 586,069 |
| Events in quadrant D | 3,811,692 | 555,039 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 136 | 0 |
| B | 0 | 136 | 0 |
| C | 0 | 136 | 0 |
| D | 0 | 136 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14326 | 3 |
| B | 0 | 14754 | 2 |
| C | 0 | 14104 | 2 |
| D | 0 | 15818 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 25 | 0 |
| B | 0 | 25 | 0 |
| C | 0 | 25 | 0 |
| D | 0 | 25 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6600 | 159 | 2.409091% |
| B | 6600 | 196 | 2.969697% |
| C | 6600 | 124 | 1.878788% |
| D | 6600 | 229 | 3.469697% |
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 | 9070 | 6601 | 1 | 1 | 0.01% | 0.02% |  |
| B | 9070 | 6601 | 6 | 6 | 0.07% | 0.09% |  |
| C | 9070 | 6602 | 1 | 1 | 0.01% | 0.02% |  |
| D | 9070 | 6602 | 71 | 71 | 0.78% | 1.08% |  |
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 | 15 | 234 | 44089 | 249.04 | 847 | 831 | 173.7 |
| A | 15 | 239 | 23252 | 129.08 | 847 | 831 | 173.7 |
| A | 0 | 23 | 16903 | 92.53 | 847 | 831 | 173.7 |
| B | 0 | 214 | 75386 | 457.04 | 856 | 840 | 163.1 |
| B | 4 | 173 | 69684 | 422.08 | 856 | 840 | 163.1 |
| B | 4 | 81 | 17041 | 99.33 | 856 | 840 | 163.1 |
| C | 1 | 16 | 18448 | 90.4 | 835 | 840 | 194.8 |
| C | 13 | 61 | 6529 | 29.21 | 835 | 840 | 194.8 |
| C | 8 | 222 | 3305 | 12.66 | 835 | 840 | 194.8 |
| D | 2 | 152 | 167463 | 817.09 | 826 | 801 | 204.0 |
| D | 14 | 34 | 134265 | 654.33 | 826 | 801 | 204.0 |
| D | 12 | 233 | 117087 | 570.11 | 826 | 801 | 204.0 |
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 |  |