Observation information
- date-obs: 2019-06-21
- time-obs: 09:09:49.727300000
- date-end: 2019-06-21
- time-end: 10:37:29.723800000
- obs_id: A05_180T01_9000002992
- exposure: 2524.24437204
- 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_20164cztM0_level2.evt
| modeM0/AS1A05_180T01_9000002992_20164cztM0_level2_quad_clean.evt
|
| Size (bytes) | 398,831,040 | 66,528,000 |
| Size | 380.4 MB
| 63.4 MB
|
| Events in quadrant A | 2,441,979 | 442,209 |
| Events in quadrant B | 2,466,265 | 439,455 |
| Events in quadrant C | 2,820,184 | 410,312 |
| Events in quadrant D | 4,036,696 | 398,293 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 6 | 0 |
| B | 0 | 7 | 0 |
| C | 0 | 7 | 0 |
| D | 0 | 7 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 9818 | 1 |
| B | 0 | 9885 | 1 |
| C | 0 | 11602 | 1 |
| D | 0 | 14907 | 1 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 92 | 0 |
| B | 0 | 92 | 0 |
| C | 0 | 92 | 0 |
| D | 0 | 92 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 4613 | 30 | 0.650336% |
| B | 4613 | 31 | 0.672014% |
| C | 4613 | 54 | 1.170605% |
| D | 4613 | 352 | 7.630609% |
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 | 4613 | 4613 | 0 | 0 | 0.00% | 0.00% |  |
| B | 4613 | 4613 | 0 | 0 | 0.00% | 0.00% |  |
| C | 4613 | 4613 | 0 | 0 | 0.00% | 0.00% |  |
| D | 4613 | 4613 | 335 | 335 | 7.26% | 7.26% |  |
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 | 226 | 5388 | 37.97 | 634 | 624 | 125.5 |
| A | 3 | 137 | 4574 | 31.48 | 634 | 624 | 125.5 |
| A | 12 | 194 | 4487 | 30.79 | 634 | 624 | 125.5 |
| B | 12 | 111 | 13077 | 106.56 | 623 | 611 | 117.0 |
| B | 0 | 198 | 12497 | 101.6 | 623 | 611 | 117.0 |
| B | 11 | 111 | 11471 | 92.83 | 623 | 611 | 117.0 |
| C | 3 | 233 | 406903 | 2936.17 | 593 | 600 | 138.4 |
| C | 14 | 238 | 95363 | 684.81 | 593 | 600 | 138.4 |
| C | 10 | 91 | 5612 | 36.22 | 593 | 600 | 138.4 |
| D | 1 | 52 | 1584750 | 10845.62 | 601 | 587 | 146.1 |
| D | 11 | 176 | 143734 | 980.02 | 601 | 587 | 146.1 |
| D | 7 | 238 | 19801 | 131.54 | 601 | 587 | 146.1 |
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 |  |