Observation information
- date-obs: 2015-12-14
- time-obs: 16:25:58.376400000
- date-end: 2015-12-14
- time-end: 18:33:32.036300000
- obs_id: P01_997T03_9000000216
- exposure: 7295.69144942
- sourceid: 4U 1847+78
- observer: annapurni
- ra_pnt: 280.5374
- dec_pnt: 79.77142
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1P01_997T03_9000000216_01149cztM0_level2.evt
| modeM0/AS1P01_997T03_9000000216_01149cztM0_level2_quad_clean.evt
|
| Size (bytes) | 1,194,773,760 | 109,811,520 |
| Size | 1.1 GB
| 104.7 MB
|
| Events in quadrant A | 8,724,102 | 724,783 |
| Events in quadrant B | 9,156,870 | 716,397 |
| Events in quadrant C | 9,625,742 | 686,773 |
| Events in quadrant D | 8,191,343 | 687,138 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 31109 | 2 |
| B | 0 | 32404 | 1 |
| C | 0 | 33834 | 1 |
| D | 0 | 29551 | 1 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 148 | 0 |
| B | 0 | 148 | 0 |
| C | 0 | 148 | 0 |
| D | 0 | 148 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 3 | 0 |
| B | 0 | 3 | 0 |
| C | 0 | 3 | 0 |
| D | 0 | 3 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 7339 | 3 | 0.040878% |
| B | 7339 | 17 | 0.231639% |
| C | 7339 | 51 | 0.694918% |
| D | 7339 | 51 | 0.694918% |
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 | 7654 | 7340 | 203 | 203 | 2.65% | 2.77% |  |
| B | 7654 | 7340 | 244 | 244 | 3.19% | 3.32% |  |
| C | 7654 | 7340 | 591 | 591 | 7.72% | 8.05% |  |
| D | 7654 | 7340 | 234 | 234 | 3.06% | 3.19% |  |
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 | 11 | 79 | 9123 | 12.55 | 2272 | 2293 | 544.4 |
| A | 12 | 243 | 8592 | 11.57 | 2272 | 2293 | 544.4 |
| A | 3 | 111 | 7209 | 9.03 | 2272 | 2293 | 544.4 |
| B | 6 | 53 | 57388 | 98.34 | 2356 | 2363 | 559.5 |
| B | 15 | 22 | 46156 | 78.27 | 2356 | 2363 | 559.5 |
| B | 10 | 252 | 41386 | 69.74 | 2356 | 2363 | 559.5 |
| C | 12 | 206 | 443509 | 732.16 | 2166 | 2245 | 602.7 |
| C | 15 | 241 | 335677 | 553.24 | 2166 | 2245 | 602.7 |
| C | 9 | 52 | 292416 | 481.46 | 2166 | 2245 | 602.7 |
| D | 2 | 16 | 100563 | 150.87 | 2108 | 2180 | 652.1 |
| D | 13 | 252 | 84866 | 126.8 | 2108 | 2180 | 652.1 |
| D | 2 | 107 | 64321 | 95.29 | 2108 | 2180 | 652.1 |
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 |  |