Observation information
- date-obs: 2016-07-24
- time-obs: 00:00:01.796400000
- date-end: 2016-07-24
- time-end: 05:09:48.795500000
- obs_id: G05_245T01_9000000554
- exposure: 4725.7494731
- sourceid: Cygnus X-1
- observer: anuj
- ra_pnt: 299.5903
- dec_pnt: 35.20161
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1G05_245T01_9000000554cztM0_level2.fits
| modeM0/AS1G05_245T01_9000000554cztM0_level2_quad_clean.evt
|
| Size (bytes) | 141,963,840 | 107,544,960 |
| Size | 135.4 MB
| 102.6 MB
|
| Events in quadrant A | 856,412 | 579,690 |
| Events in quadrant B | 835,414 | 583,763 |
| Events in quadrant C | 837,284 | 547,555 |
| Events in quadrant D | 724,300 | 498,676 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 308 | 0 |
| B | 0 | 308 | 0 |
| C | 0 | 308 | 0 |
| D | 0 | 308 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 31299 | 0 |
| B | 0 | 31245 | 0 |
| C | 0 | 30996 | 0 |
| D | 0 | 32620 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 34 | 0 |
| B | 0 | 34 | 0 |
| C | 0 | 34 | 0 |
| D | 0 | 34 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 15166 | 86 | 0.567058% |
| B | 15166 | 93 | 0.613214% |
| C | 15166 | 45 | 0.296716% |
| D | 15166 | 152 | 1.002242% |
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 | 18588 | 15167 | 0 | 0 | 0.00% | 0.00% |  |
| B | 18588 | 15167 | 0 | 0 | 0.00% | 0.00% |  |
| C | 18588 | 15167 | 0 | 0 | 0.00% | 0.00% |  |
| D | 18588 | 15166 | 0 | 0 | 0.00% | 0.00% |  |
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 | 14 | 188 | 822 | 10.27 | 222 | 208 | 59.8 |
| A | 7 | 110 | 764 | 9.3 | 222 | 208 | 59.8 |
| A | 0 | 29 | 750 | 9.07 | 222 | 208 | 59.8 |
| B | 2 | 9 | 782 | 12.1 | 219 | 209 | 47.4 |
| B | 12 | 226 | 637 | 9.03 | 219 | 209 | 47.4 |
| B | 5 | 128 | 592 | 8.08 | 219 | 209 | 47.4 |
| C | 1 | 81 | 644 | 7.24 | 220 | 205 | 60.7 |
| C | 1 | 80 | 639 | 7.15 | 220 | 205 | 60.7 |
| C | 9 | 188 | 573 | 6.07 | 220 | 205 | 60.7 |
| D | 11 | 82 | 577 | 6.82 | 205 | 187 | 57.2 |
| D | 3 | 14 | 545 | 6.26 | 205 | 187 | 57.2 |
| D | 10 | 113 | 531 | 6.01 | 205 | 187 | 57.2 |
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 |  |