Observation information
- date-obs: 2019-06-12
- time-obs: 08:35:53.907900000
- date-end: 2019-06-13
- time-end: 13:40:29.871800000
- obs_id: A05_180T01_9000002986
- exposure: 37914.0235746
- 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_9000002986cztM0_level2.fits
| modeM0/AS1A05_180T01_9000002986cztM0_level2_quad_clean.evt
|
| Size (bytes) | 927,374,400 | 818,737,920 |
| Size | 884.4 MB
| 780.8 MB
|
| Events in quadrant A | 5,831,098 | 4,975,620 |
| Events in quadrant B | 5,559,270 | 4,888,142 |
| Events in quadrant C | 5,654,664 | 4,664,475 |
| Events in quadrant D | 4,978,344 | 4,204,447 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 1806 | 0 |
| B | 0 | 1806 | 0 |
| C | 0 | 1806 | 0 |
| D | 0 | 1806 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 162 | 0 |
| B | 0 | 162 | 0 |
| C | 0 | 162 | 0 |
| D | 0 | 162 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 195531 | 0 |
| B | 0 | 193017 | 0 |
| C | 0 | 189333 | 0 |
| D | 0 | 221676 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 88427 | 1663 | 1.880647% |
| B | 88427 | 1476 | 1.669173% |
| C | 88427 | 1601 | 1.810533% |
| D | 88427 | 3358 | 3.797483% |
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 | 104676 | 88415 | 0 | 0 | 0.00% | 0.00% |  |
| B | 104677 | 88428 | 0 | 0 | 0.00% | 0.00% |  |
| C | 104677 | 88428 | 0 | 0 | 0.00% | 0.00% |  |
| D | 104677 | 88365 | 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 | 0 | 29 | 5618 | 11.35 | 1519 | 1435 | 368.7 |
| A | 7 | 110 | 4781 | 9.08 | 1519 | 1435 | 368.7 |
| A | 0 | 30 | 4376 | 7.98 | 1519 | 1435 | 368.7 |
| B | 2 | 9 | 4376 | 10.35 | 1468 | 1405 | 287.1 |
| B | 3 | 17 | 3647 | 7.81 | 1468 | 1405 | 287.1 |
| B | 5 | 128 | 3596 | 7.63 | 1468 | 1405 | 287.1 |
| C | 12 | 241 | 3822 | 6.33 | 1494 | 1403 | 381.8 |
| C | 3 | 126 | 3781 | 6.23 | 1494 | 1403 | 381.8 |
| C | 3 | 235 | 3777 | 6.22 | 1494 | 1403 | 381.8 |
| D | 4 | 246 | 3964 | 7.13 | 1420 | 1302 | 373.5 |
| D | 3 | 14 | 3556 | 6.03 | 1420 | 1302 | 373.5 |
| D | 15 | 46 | 3544 | 6.0 | 1420 | 1302 | 373.5 |
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 |  |