Observation information
- date-obs: 2023-10-24
- time-obs: 00:50:12.422700000
- date-end: 2023-10-24
- time-end: 06:29:59.018900000
- obs_id: A12_068T05_9000005894
- exposure: 11800.9245489
- sourceid: Mrk 171
- observer: amrutha
- ra_pnt: 172.1346
- dec_pnt: 58.56194
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A12_068T05_9000005894_43642cztM0_level2.fits
| modeM0/AS1A12_068T05_9000005894_43642cztM0_level2_quad_clean.evt
|
| Size (bytes) | 2,564,026,560 | 264,908,160 |
| Size | 2.4 GB
| 252.6 MB
|
| Events in quadrant A | 14,601,383 | 1,932,973 |
| Events in quadrant B | 11,558,058 | 2,019,753 |
| Events in quadrant C | 44,282,228 | 1,166,806 |
| Events in quadrant D | 23,028,414 | 1,599,757 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 384 | 0 |
| B | 0 | 384 | 0 |
| C | 0 | 384 | 0 |
| D | 0 | 384 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 15 | 0 |
| B | 0 | 15 | 0 |
| C | 0 | 15 | 0 |
| D | 0 | 15 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 56249 | 3 |
| B | 0 | 47424 | 3 |
| C | 0 | 144330 | 3 |
| D | 0 | 81355 | 3 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 18717 | 1328 | 7.095154% |
| B | 18718 | 720 | 3.846565% |
| C | 18718 | 15708 | 83.919222% |
| D | 18718 | 4284 | 22.887061% |
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 | 20386 | 18716 | 907 | 907 | 4.45% | 4.85% |  |
| B | 20388 | 18718 | 449 | 449 | 2.20% | 2.40% |  |
| C | 20387 | 18717 | 15459 | 15459 | 75.83% | 82.59% |  |
| D | 20388 | 18718 | 3462 | 3462 | 16.98% | 18.50% |  |
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 | 10 | 83 | 2200674 | 5327.49 | 2012 | 1972 | 412.7 |
| A | 15 | 223 | 2064628 | 4997.85 | 2012 | 1972 | 412.7 |
| A | 13 | 248 | 1600658 | 3873.64 | 2012 | 1972 | 412.7 |
| B | 5 | 235 | 1706003 | 4294.32 | 2041 | 1978 | 396.8 |
| B | 4 | 206 | 610982 | 1534.75 | 2041 | 1978 | 396.8 |
| B | 4 | 171 | 212497 | 530.53 | 2041 | 1978 | 396.8 |
| C | 15 | 142 | 30652919 | 104828.76 | 1253 | 1259 | 292.4 |
| C | 3 | 233 | 3141643 | 10740.12 | 1253 | 1259 | 292.4 |
| C | 15 | 158 | 1789506 | 6115.81 | 1253 | 1259 | 292.4 |
| D | 4 | 221 | 2018243 | 4163.44 | 1856 | 1800 | 484.3 |
| D | 12 | 233 | 1516977 | 3128.45 | 1856 | 1800 | 484.3 |
| D | 7 | 80 | 1268232 | 2614.86 | 1856 | 1800 | 484.3 |
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 |  |