Observation information
- date-obs: 2023-07-29
- time-obs: 04:46:06.778800000
- date-end: 2023-07-29
- time-end: 06:47:58.773400000
- obs_id: A12_102T01_9000005798
- exposure: 5508.25788027
- 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_42353cztM0_level2.fits
| modeM0/AS1A12_102T01_9000005798_42353cztM0_level2_quad_clean.evt
|
| Size (bytes) | 337,055,040 | 92,191,680 |
| Size | 321.4 MB
| 87.9 MB
|
| Events in quadrant A | 3,037,183 | 610,500 |
| Events in quadrant B | 2,613,624 | 628,050 |
| Events in quadrant C | 2,616,939 | 606,018 |
| Events in quadrant D | 3,762,461 | 545,922 |
Level1 data integrity
| 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 SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 118 | 0 |
| B | 0 | 118 | 0 |
| C | 0 | 118 | 0 |
| D | 0 | 118 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 12348 | 2 |
| B | 0 | 11874 | 2 |
| C | 0 | 11501 | 2 |
| D | 0 | 15112 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 5730 | 10 | 0.174520% |
| B | 5731 | 23 | 0.401326% |
| C | 5731 | 3 | 0.052347% |
| D | 5731 | 213 | 3.716629% |
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 | 7312 | 5731 | 4 | 4 | 0.05% | 0.07% |  |
| B | 7313 | 5732 | 17 | 17 | 0.23% | 0.30% |  |
| C | 7313 | 5732 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7313 | 5732 | 201 | 201 | 2.75% | 3.51% |  |
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 | 574975 | 4465.78 | 622 | 609 | 128.6 |
| A | 13 | 248 | 41335 | 316.65 | 622 | 609 | 128.6 |
| A | 7 | 3 | 16648 | 124.71 | 622 | 609 | 128.6 |
| B | 5 | 172 | 88310 | 730.46 | 615 | 597 | 120.1 |
| B | 3 | 112 | 49314 | 405.71 | 615 | 597 | 120.1 |
| B | 12 | 111 | 15481 | 123.95 | 615 | 597 | 120.1 |
| C | 15 | 214 | 242267 | 1706.9 | 604 | 607 | 141.6 |
| C | 7 | 247 | 12220 | 82.03 | 604 | 607 | 141.6 |
| C | 15 | 111 | 4441 | 27.08 | 604 | 607 | 141.6 |
| D | 12 | 6 | 449175 | 3076.12 | 596 | 579 | 145.8 |
| D | 1 | 52 | 259411 | 1774.87 | 596 | 579 | 145.8 |
| D | 5 | 222 | 245360 | 1678.52 | 596 | 579 | 145.8 |
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 |  |