Observation information
- date-obs: 2020-09-18
- time-obs: 15:01:40.299300000
- date-end: 2020-09-18
- time-end: 18:55:43.298600000
- obs_id: A09_044T01_9000003888
- exposure: 8118.47670855
- sourceid: 4U 1705-44
- observer: jitheshthejus
- ra_pnt: 257.227
- dec_pnt: -44.10204
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A09_044T01_9000003888_26903cztM0_level2.evt
| modeM0/AS1A09_044T01_9000003888_26903cztM0_level2_quad_clean.evt
|
| Size (bytes) | 1,141,853,760 | 166,610,880 |
| Size | 1.1 GB
| 158.9 MB
|
| Events in quadrant A | 6,228,737 | 1,078,874 |
| Events in quadrant B | 7,098,465 | 1,088,721 |
| Events in quadrant C | 5,870,114 | 1,065,460 |
| Events in quadrant D | 14,544,968 | 952,426 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 26318 | 0 |
| B | 0 | 29216 | 0 |
| C | 0 | 25534 | 0 |
| D | 0 | 51892 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 16 | 0 |
| B | 0 | 16 | 0 |
| C | 0 | 16 | 0 |
| D | 0 | 16 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 12444 | 77 | 0.618772% |
| B | 12444 | 233 | 1.872388% |
| C | 12444 | 135 | 1.084860% |
| D | 12444 | 1939 | 15.581806% |
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 | 14044 | 12446 | 2 | 2 | 0.01% | 0.02% |  |
| B | 14044 | 12445 | 97 | 97 | 0.69% | 0.78% |  |
| C | 14044 | 12446 | 2 | 2 | 0.01% | 0.02% |  |
| D | 14044 | 12446 | 1880 | 1880 | 13.39% | 15.11% |  |
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 | 13 | 300033 | 988.22 | 1505 | 1476 | 302.1 |
| A | 5 | 168 | 92509 | 301.32 | 1505 | 1476 | 302.1 |
| A | 12 | 189 | 22655 | 70.1 | 1505 | 1476 | 302.1 |
| B | 0 | 190 | 463603 | 1626.04 | 1495 | 1458 | 284.2 |
| B | 3 | 64 | 441411 | 1547.96 | 1495 | 1458 | 284.2 |
| B | 10 | 246 | 87578 | 303.01 | 1495 | 1458 | 284.2 |
| C | 14 | 238 | 231417 | 679.32 | 1439 | 1449 | 338.5 |
| C | 15 | 208 | 18163 | 49.37 | 1439 | 1449 | 338.5 |
| C | 13 | 61 | 10068 | 25.46 | 1439 | 1449 | 338.5 |
| D | 7 | 80 | 3755516 | 10764.34 | 1364 | 1331 | 348.8 |
| D | 1 | 52 | 3565518 | 10219.56 | 1364 | 1331 | 348.8 |
| D | 12 | 233 | 1333754 | 3820.44 | 1364 | 1331 | 348.8 |
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 |  |