Observation information
- date-obs: 2019-06-28
- time-obs: 20:41:29.644000000
- date-end: 2019-06-28
- time-end: 22:51:52.641100000
- obs_id: A05_175T01_9000003004
- exposure: 4411.24378519
- sourceid: Mkn 478
- observer: samuzal_astrosat
- ra_pnt: 220.5308
- dec_pnt: 35.43972
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A05_175T01_9000003004_20274cztM0_level2.evt
| modeM0/AS1A05_175T01_9000003004_20274cztM0_level2_quad_clean.evt
|
| Size (bytes) | 486,731,520 | 93,404,160 |
| Size | 464.2 MB
| 89.1 MB
|
| Events in quadrant A | 3,105,876 | 607,262 |
| Events in quadrant B | 3,314,426 | 611,751 |
| Events in quadrant C | 3,110,329 | 589,877 |
| Events in quadrant D | 4,766,228 | 563,797 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13511 | 2 |
| B | 0 | 14141 | 2 |
| C | 0 | 13442 | 2 |
| D | 0 | 18601 | 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 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13 | 0 |
| B | 0 | 14 | 0 |
| C | 0 | 14 | 0 |
| D | 0 | 14 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6539 | 34 | 0.519957% |
| B | 6539 | 98 | 1.498700% |
| C | 6538 | 58 | 0.887121% |
| D | 6538 | 361 | 5.521566% |
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 | 7579 | 6540 | 3 | 3 | 0.04% | 0.05% |  |
| B | 7579 | 6540 | 22 | 22 | 0.29% | 0.34% |  |
| C | 7578 | 6539 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7578 | 6539 | 244 | 244 | 3.22% | 3.73% |  |
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 | 8 | 205 | 31239 | 192.58 | 784 | 768 | 158.2 |
| A | 4 | 2 | 29006 | 178.47 | 784 | 768 | 158.2 |
| A | 14 | 238 | 21538 | 131.27 | 784 | 768 | 158.2 |
| B | 7 | 220 | 104225 | 696.27 | 781 | 762 | 148.6 |
| B | 0 | 197 | 61173 | 406.54 | 781 | 762 | 148.6 |
| B | 4 | 142 | 43916 | 290.41 | 781 | 762 | 148.6 |
| C | 14 | 238 | 118738 | 665.14 | 759 | 765 | 177.4 |
| C | 9 | 221 | 16242 | 87.26 | 759 | 765 | 177.4 |
| C | 3 | 233 | 8068 | 41.17 | 759 | 765 | 177.4 |
| D | 1 | 52 | 1128271 | 6149.83 | 748 | 726 | 183.3 |
| D | 12 | 218 | 654720 | 3567.0 | 748 | 726 | 183.3 |
| D | 9 | 1 | 56183 | 302.47 | 748 | 726 | 183.3 |
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 |  |