Observation information
- date-obs: 2019-06-15
- time-obs: 12:03:09.864900000
- date-end: 2019-06-15
- time-end: 14:23:58.865400000
- obs_id: A05_180T01_9000002992
- exposure: 3177.66149181
- 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_20077cztM0_level2.evt
| modeM0/AS1A05_180T01_9000002992_20077cztM0_level2_quad_clean.evt
|
| Size (bytes) | 554,339,520 | 83,868,480 |
| Size | 528.7 MB
| 80.0 MB
|
| Events in quadrant A | 3,873,809 | 533,100 |
| Events in quadrant B | 3,859,750 | 535,603 |
| Events in quadrant C | 3,597,486 | 512,225 |
| Events in quadrant D | 5,021,905 | 510,231 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 20 | 0 |
| B | 0 | 21 | 0 |
| C | 0 | 21 | 0 |
| D | 0 | 21 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 15427 | 2 |
| B | 0 | 15480 | 2 |
| C | 0 | 14319 | 2 |
| D | 0 | 19360 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 130 | 0 |
| B | 0 | 130 | 0 |
| C | 0 | 130 | 0 |
| D | 0 | 130 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6428 | 241 | 3.749222% |
| B | 6428 | 255 | 3.967019% |
| C | 6428 | 194 | 3.018046% |
| D | 6428 | 257 | 3.998133% |
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 | 7703 | 6429 | 34 | 34 | 0.44% | 0.53% |  |
| B | 7703 | 6429 | 24 | 24 | 0.31% | 0.37% |  |
| C | 7703 | 6429 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7703 | 6429 | 60 | 60 | 0.78% | 0.93% |  |
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 | 194586 | 1056.73 | 930 | 916 | 183.3 |
| A | 4 | 2 | 68414 | 368.29 | 930 | 916 | 183.3 |
| A | 11 | 29 | 14533 | 74.3 | 930 | 916 | 183.3 |
| B | 4 | 80 | 74936 | 431.46 | 916 | 898 | 171.6 |
| B | 10 | 245 | 67424 | 387.68 | 916 | 898 | 171.6 |
| B | 0 | 189 | 32763 | 185.69 | 916 | 898 | 171.6 |
| C | 14 | 238 | 140589 | 686.9 | 885 | 894 | 203.4 |
| C | 13 | 61 | 6208 | 26.13 | 885 | 894 | 203.4 |
| C | 3 | 233 | 5198 | 21.16 | 885 | 894 | 203.4 |
| D | 1 | 52 | 1109124 | 5128.07 | 904 | 883 | 216.1 |
| D | 12 | 218 | 348775 | 1609.77 | 904 | 883 | 216.1 |
| D | 7 | 223 | 103115 | 473.05 | 904 | 883 | 216.1 |
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 |  |