Observation information
- date-obs: 2018-08-21
- time-obs: 09:03:05.981400000
- date-end: 2018-08-21
- time-end: 11:10:15.979100000
- obs_id: T02_084T01_9000002318
- exposure: 4812.32586558
- sourceid: 4U1630-472
- observer: ramadevi
- ra_pnt: 248.5067
- dec_pnt: -47.393
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1T02_084T01_9000002318_15664cztM0_level2.evt
| modeM0/AS1T02_084T01_9000002318_15664cztM0_level2_quad_clean.evt
|
| Size (bytes) | 495,092,160 | 97,585,920 |
| Size | 472.2 MB
| 93.1 MB
|
| Events in quadrant A | 3,603,303 | 621,851 |
| Events in quadrant B | 3,560,116 | 626,938 |
| Events in quadrant C | 3,514,822 | 615,322 |
| Events in quadrant D | 3,844,591 | 608,125 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14899 | 3 |
| B | 0 | 14831 | 2 |
| C | 0 | 14707 | 2 |
| D | 0 | 16043 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 7 | 0 |
| B | 0 | 7 | 0 |
| C | 0 | 7 | 0 |
| D | 0 | 7 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 142 | 0 |
| B | 0 | 142 | 0 |
| C | 0 | 142 | 0 |
| D | 0 | 142 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6930 | 135 | 1.948052% |
| B | 6930 | 181 | 2.611833% |
| C | 6930 | 189 | 2.727273% |
| D | 6930 | 185 | 2.669553% |
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 | 7631 | 6932 | 7 | 7 | 0.09% | 0.10% |  |
| B | 7631 | 6932 | 58 | 58 | 0.76% | 0.84% |  |
| C | 7631 | 6932 | 26 | 26 | 0.34% | 0.38% |  |
| D | 7631 | 6932 | 79 | 79 | 1.04% | 1.14% |  |
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 | 3 | 80 | 237222 | 1363.87 | 851 | 832 | 173.3 |
| A | 4 | 2 | 71229 | 406.16 | 851 | 832 | 173.3 |
| A | 15 | 157 | 18263 | 100.57 | 851 | 832 | 173.3 |
| B | 3 | 64 | 162069 | 1008.45 | 846 | 824 | 159.9 |
| B | 0 | 189 | 26704 | 161.86 | 846 | 824 | 159.9 |
| B | 0 | 214 | 25191 | 152.39 | 846 | 824 | 159.9 |
| C | 14 | 238 | 127548 | 666.8 | 817 | 822 | 190.1 |
| C | 3 | 233 | 111157 | 580.55 | 817 | 822 | 190.1 |
| C | 9 | 54 | 81256 | 423.22 | 817 | 822 | 190.1 |
| D | 1 | 52 | 538148 | 2479.91 | 826 | 804 | 216.7 |
| D | 10 | 70 | 53550 | 243.43 | 826 | 804 | 216.7 |
| D | 2 | 234 | 26693 | 119.48 | 826 | 804 | 216.7 |
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 |  |