Observation information
- date-obs: 2019-06-17
- time-obs: 09:31:29.820800000
- date-end: 2019-06-17
- time-end: 11:43:12.818000000
- obs_id: A05_180T01_9000002992
- exposure: 2702.24210443
- sourceid: Cygnus X-1
- observer: santoshv
- ra_pnt: 299.5903
- dec_pnt: 35.20161
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A05_180T01_9000002992_20105cztM0_level2.evt
| modeM0/AS1A05_180T01_9000002992_20105cztM0_level2_quad_clean.evt
|
| Size (bytes) | 608,411,520 | 75,211,200 |
| Size | 580.2 MB
| 71.7 MB
|
| Events in quadrant A | 4,877,383 | 444,755 |
| Events in quadrant B | 5,724,407 | 463,535 |
| Events in quadrant C | 3,599,044 | 461,746 |
| Events in quadrant D | 3,788,192 | 457,482 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14 | 0 |
| B | 0 | 15 | 0 |
| C | 0 | 15 | 0 |
| D | 0 | 15 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 18510 | 2 |
| B | 0 | 21355 | 3 |
| C | 0 | 14354 | 2 |
| D | 0 | 15080 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 132 | 0 |
| B | 0 | 132 | 0 |
| C | 0 | 132 | 0 |
| D | 0 | 132 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6440 | 638 | 9.906832% |
| B | 6439 | 1027 | 15.949682% |
| C | 6439 | 134 | 2.081068% |
| D | 6439 | 135 | 2.096599% |
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 | 7775 | 6441 | 329 | 329 | 4.23% | 5.11% |  |
| B | 7774 | 6440 | 770 | 770 | 9.90% | 11.96% |  |
| C | 7774 | 6440 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7774 | 6440 | 38 | 38 | 0.49% | 0.59% |  |
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 | 238 | 1338657 | 7466.42 | 910 | 899 | 179.2 |
| A | 9 | 143 | 16417 | 86.61 | 910 | 899 | 179.2 |
| A | 0 | 226 | 7978 | 39.51 | 910 | 899 | 179.2 |
| B | 10 | 245 | 2195241 | 13347.94 | 885 | 868 | 164.4 |
| B | 4 | 80 | 33408 | 197.93 | 885 | 868 | 164.4 |
| B | 0 | 183 | 19813 | 115.24 | 885 | 868 | 164.4 |
| C | 14 | 238 | 142295 | 695.4 | 886 | 896 | 203.3 |
| C | 13 | 61 | 6236 | 26.26 | 886 | 896 | 203.3 |
| C | 3 | 233 | 2980 | 10.25 | 886 | 896 | 203.3 |
| D | 11 | 176 | 150802 | 692.66 | 910 | 888 | 216.4 |
| D | 7 | 238 | 68800 | 313.78 | 910 | 888 | 216.4 |
| D | 12 | 218 | 43229 | 195.63 | 910 | 888 | 216.4 |
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 |  |