Observation information
- date-obs: 2023-07-28
- time-obs: 14:46:48.806500000
- date-end: 2023-07-28
- time-end: 16:48:51.803700000
- obs_id: A12_102T01_9000005798
- exposure: 4667.76785421
- 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_9000005798_42345cztM0_level2.fits
| modeM0/AS1A12_102T01_9000005798_42345cztM0_level2_quad_clean.evt
|
| Size (bytes) | 310,605,120 | 88,539,840 |
| Size | 296.2 MB
| 84.4 MB
|
| Events in quadrant A | 2,747,615 | 605,987 |
| Events in quadrant B | 2,301,555 | 611,494 |
| Events in quadrant C | 2,373,091 | 591,184 |
| Events in quadrant D | 3,687,667 | 523,790 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 23 | 0 |
| B | 0 | 23 | 0 |
| C | 0 | 24 | 0 |
| D | 0 | 24 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 102 | 0 |
| B | 0 | 102 | 0 |
| C | 0 | 102 | 0 |
| D | 0 | 102 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 11305 | 3 |
| B | 0 | 10213 | 2 |
| C | 0 | 10061 | 2 |
| D | 0 | 14432 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 4971 | 15 | 0.301750% |
| B | 4971 | 15 | 0.301750% |
| C | 4971 | 3 | 0.060350% |
| D | 4971 | 324 | 6.517803% |
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 | 7095 | 4972 | 4 | 4 | 0.06% | 0.08% |  |
| B | 7095 | 4972 | 6 | 6 | 0.08% | 0.12% |  |
| C | 7095 | 4972 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7095 | 4972 | 281 | 281 | 3.96% | 5.65% |  |
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 | 559588 | 4929.65 | 557 | 547 | 113.4 |
| A | 13 | 248 | 15780 | 134.33 | 557 | 547 | 113.4 |
| A | 13 | 6 | 12662 | 106.83 | 557 | 547 | 113.4 |
| B | 0 | 230 | 34790 | 326.17 | 552 | 539 | 105.0 |
| B | 5 | 172 | 32011 | 299.7 | 552 | 539 | 105.0 |
| B | 15 | 85 | 21709 | 201.6 | 552 | 539 | 105.0 |
| C | 15 | 214 | 208528 | 1634.69 | 550 | 553 | 127.2 |
| C | 7 | 247 | 6467 | 46.48 | 550 | 553 | 127.2 |
| C | 15 | 111 | 4213 | 28.77 | 550 | 553 | 127.2 |
| D | 12 | 233 | 670328 | 5154.99 | 537 | 523 | 129.9 |
| D | 12 | 6 | 507114 | 3898.86 | 537 | 523 | 129.9 |
| D | 1 | 52 | 168136 | 1289.99 | 537 | 523 | 129.9 |
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 |  |