Observation information
- date-obs: 2019-06-15
- time-obs: 08:43:09.859000000
- date-end: 2019-06-21
- time-end: 15:46:02.713400000
- obs_id: A05_180T01_9000002992
- exposure: 206659.455363
- 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_9000002992cztM0_level2.fits
| modeM0/AS1A05_180T01_9000002992cztM0_level2_quad_clean.evt
|
| Size (bytes) | 4,613,221,440 | 4,261,118,400 |
| Size | 4.3 GB
| 4.0 GB
|
| Events in quadrant A | 28,249,302 | 24,760,901 |
| Events in quadrant B | 27,595,352 | 25,707,660 |
| Events in quadrant C | 28,172,880 | 24,833,973 |
| Events in quadrant D | 24,255,358 | 22,336,882 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 760 | 0 |
| B | 0 | 760 | 0 |
| C | 0 | 760 | 0 |
| D | 0 | 762 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 1190662 | 0 |
| B | 0 | 1108341 | 0 |
| C | 0 | 1007411 | 0 |
| D | 0 | 1244086 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 9366 | 0 |
| B | 0 | 9359 | 0 |
| C | 0 | 9352 | 0 |
| D | 0 | 9356 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 458645 | 35001 | 7.631392% |
| B | 458676 | 18664 | 4.069103% |
| C | 458692 | 10026 | 2.185780% |
| D | 458396 | 28279 | 6.169120% |
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 | 543476 | 459696 | 0 | 0 | 0.00% | 0.00% |  |
| B | 543476 | 460823 | 0 | 0 | 0.00% | 0.00% |  |
| C | 543476 | 461447 | 0 | 0 | 0.00% | 0.00% |  |
| D | 543476 | 460576 | 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 | 29566 | 12.86 | 7349 | 6936 | 1759.1 |
| A | 0 | 29 | 27658 | 11.78 | 7349 | 6936 | 1759.1 |
| A | 14 | 204 | 24925 | 10.23 | 7349 | 6936 | 1759.1 |
| B | 2 | 9 | 21729 | 10.54 | 7277 | 6964 | 1401.4 |
| B | 5 | 128 | 17957 | 7.84 | 7277 | 6964 | 1401.4 |
| B | 2 | 8 | 17889 | 7.8 | 7277 | 6964 | 1401.4 |
| C | 12 | 241 | 19334 | 6.51 | 7444 | 6984 | 1896.3 |
| C | 3 | 126 | 19241 | 6.46 | 7444 | 6984 | 1896.3 |
| C | 12 | 250 | 19044 | 6.36 | 7444 | 6984 | 1896.3 |
| D | 3 | 14 | 17342 | 6.03 | 6942 | 6342 | 1823.0 |
| D | 15 | 46 | 17089 | 5.9 | 6942 | 6342 | 1823.0 |
| D | 6 | 67 | 17046 | 5.87 | 6942 | 6342 | 1823.0 |
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 |  |