Observation information
- date-obs: 2016-09-12
- time-obs: 09:47:21.514000000
- date-end: 2016-09-12
- time-end: 11:01:48.480800000
- obs_id: G05_243T01_9000000654
- exposure: 2191.99374688
- sourceid: GRS 1915+105
- observer: jsyadav
- ra_pnt: 288.7981
- dec_pnt: 10.94578
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1G05_243T01_9000000654_05185cztM0_level2.evt
| modeM0/AS1G05_243T01_9000000654_05185cztM0_level2_quad_clean.evt
|
| Size (bytes) | 287,930,880 | 39,844,800 |
| Size | 274.6 MB
| 38.0 MB
|
| Events in quadrant A | 1,987,532 | 230,141 |
| Events in quadrant B | 2,120,586 | 232,308 |
| Events in quadrant C | 1,938,588 | 234,239 |
| Events in quadrant D | 2,392,940 | 220,123 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 8672 | 2 |
| B | 0 | 8999 | 1 |
| C | 0 | 8546 | 1 |
| D | 0 | 9869 | 1 |
| 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 SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 86 | 0 |
| B | 0 | 86 | 0 |
| C | 0 | 86 | 0 |
| D | 0 | 86 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 4102 | 182 | 4.436860% |
| B | 4102 | 208 | 5.070697% |
| C | 4102 | 108 | 2.632862% |
| D | 4102 | 185 | 4.509995% |
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 | 4467 | 4104 | 1 | 1 | 0.02% | 0.02% |  |
| B | 4467 | 4104 | 17 | 17 | 0.38% | 0.41% |  |
| C | 4467 | 4104 | 0 | 0 | 0.00% | 0.00% |  |
| D | 4467 | 4103 | 56 | 56 | 1.25% | 1.36% |  |
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 | 247 | 44668 | 420.43 | 499 | 486 | 105.1 |
| A | 0 | 50 | 15547 | 143.32 | 499 | 486 | 105.1 |
| A | 0 | 226 | 8771 | 78.84 | 499 | 486 | 105.1 |
| B | 4 | 80 | 123935 | 1240.47 | 506 | 493 | 99.5 |
| B | 4 | 48 | 21434 | 210.44 | 506 | 493 | 99.5 |
| B | 15 | 204 | 13296 | 128.66 | 506 | 493 | 99.5 |
| C | 1 | 16 | 7624 | 61.22 | 492 | 495 | 116.4 |
| C | 8 | 128 | 7283 | 58.29 | 492 | 495 | 116.4 |
| C | 13 | 61 | 3913 | 29.35 | 492 | 495 | 116.4 |
| D | 2 | 136 | 242488 | 2007.93 | 486 | 470 | 120.5 |
| D | 14 | 34 | 177856 | 1471.7 | 486 | 470 | 120.5 |
| D | 7 | 237 | 49533 | 407.06 | 486 | 470 | 120.5 |
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 |  |