Observation information
- date-obs: 2016-08-26
- time-obs: 19:36:39.126800000
- date-end: 2016-08-26
- time-end: 21:49:05.124800000
- obs_id: G05_021T01_9000000624
- exposure: 7314.30667908
- sourceid: 4U 1626-67
- observer: parag
- ra_pnt: 248.07
- dec_pnt: -67.46194
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1G05_021T01_9000000624_04940cztM0_level2.evt
| modeM0/AS1G05_021T01_9000000624_04940cztM0_level2_quad_clean.evt
|
| Size (bytes) | 641,640,960 | 114,638,400 |
| Size | 611.9 MB
| 109.3 MB
|
| Events in quadrant A | 6,958,281 | 673,153 |
| Events in quadrant B | 3,817,807 | 766,148 |
| Events in quadrant C | 3,342,733 | 774,899 |
| Events in quadrant D | 4,799,673 | 729,898 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 4 | 0 |
| B | 0 | 4 | 0 |
| C | 0 | 4 | 0 |
| D | 0 | 4 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 25964 | 3 |
| B | 0 | 16623 | 2 |
| C | 0 | 15573 | 2 |
| D | 0 | 19853 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 154 | 0 |
| B | 0 | 154 | 0 |
| C | 0 | 154 | 0 |
| D | 0 | 154 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 7572 | 1434 | 18.938193% |
| B | 7572 | 111 | 1.465927% |
| C | 7572 | 23 | 0.303751% |
| D | 7572 | 316 | 4.173270% |
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 | 7747 | 7572 | 1331 | 1331 | 17.18% | 17.58% |  |
| B | 7747 | 7572 | 13 | 13 | 0.17% | 0.17% |  |
| C | 7747 | 7573 | 1 | 1 | 0.01% | 0.01% |  |
| D | 7747 | 7573 | 246 | 246 | 3.18% | 3.25% |  |
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 | 0 | 31 | 3834651 | 24425.2 | 762 | 744 | 157.0 |
| A | 0 | 50 | 157724 | 1000.09 | 762 | 744 | 157.0 |
| A | 15 | 31 | 20109 | 123.37 | 762 | 744 | 157.0 |
| B | 15 | 204 | 205732 | 1226.8 | 860 | 838 | 167.0 |
| B | 0 | 219 | 104986 | 623.59 | 860 | 838 | 167.0 |
| B | 15 | 54 | 51374 | 302.58 | 860 | 838 | 167.0 |
| C | 1 | 16 | 37036 | 189.03 | 826 | 829 | 191.5 |
| C | 9 | 247 | 36800 | 187.8 | 826 | 829 | 191.5 |
| C | 8 | 128 | 15786 | 78.09 | 826 | 829 | 191.5 |
| D | 2 | 33 | 451552 | 2253.5 | 813 | 785 | 200.0 |
| D | 1 | 7 | 345621 | 1723.93 | 813 | 785 | 200.0 |
| D | 13 | 235 | 266317 | 1327.46 | 813 | 785 | 200.0 |
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 |  |