Observation information
- date-obs: 2023-01-04
- time-obs: 12:37:58.682700000
- date-end: 2023-01-05
- time-end: 00:53:35.681700000
- obs_id: A12_102T01_9000005466
- exposure: 18702.0839904
- sourceid: 1ES 1927+654
- observer: savithri
- ra_pnt: 291.8314
- dec_pnt: 65.56506
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A12_102T01_9000005466cztM0_level2.fits
| modeM0/AS1A12_102T01_9000005466cztM0_level2_quad_clean.evt
|
| Size (bytes) | 272,940,480 | 313,908,480 |
| Size | 260.3 MB
| 299.4 MB
|
| Events in quadrant A | 1,766,674 | 2,232,385 |
| Events in quadrant B | 1,695,174 | 2,233,974 |
| Events in quadrant C | 1,732,650 | 2,150,608 |
| Events in quadrant D | 748,000 | 578,168 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 106 | 0 |
| B | 0 | 106 | 0 |
| C | 0 | 106 | 0 |
| D | 0 | 106 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 71721 | 0 |
| B | 0 | 70322 | 0 |
| C | 0 | 70038 | 0 |
| D | 0 | 248914 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 688 | 0 |
| B | 0 | 688 | 0 |
| C | 0 | 688 | 0 |
| D | 0 | 688 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 33638 | 133 | 0.395386% |
| B | 33638 | 232 | 0.689696% |
| C | 33638 | 76 | 0.225935% |
| D | 33638 | 26135 | 77.694869% |
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 | 43905 | 33637 | 0 | 0 | 0.00% | 0.00% |  |
| B | 43905 | 33637 | 0 | 0 | 0.00% | 0.00% |  |
| C | 43905 | 33638 | 0 | 0 | 0.00% | 0.00% |  |
| D | 43904 | 33023 | 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 | 1490 | 8.87 | 460 | 431 | 119.4 |
| A | 9 | 19 | 1469 | 8.69 | 460 | 431 | 119.4 |
| A | 7 | 110 | 1467 | 8.68 | 460 | 431 | 119.4 |
| B | 2 | 9 | 1516 | 12.18 | 447 | 426 | 89.5 |
| B | 3 | 80 | 1307 | 9.84 | 447 | 426 | 89.5 |
| B | 2 | 8 | 1222 | 8.89 | 447 | 426 | 89.5 |
| C | 1 | 81 | 1435 | 8.43 | 458 | 429 | 119.4 |
| C | 3 | 202 | 1383 | 7.99 | 458 | 429 | 119.4 |
| C | 3 | 203 | 1379 | 7.96 | 458 | 429 | 119.4 |
| D | 10 | 189 | 564 | 6.26 | 213 | 193 | 59.3 |
| D | 7 | 3 | 552 | 6.06 | 213 | 193 | 59.3 |
| D | 3 | 14 | 548 | 5.99 | 213 | 193 | 59.3 |
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 |  |