Observation information
- date-obs: 2022-05-03
- time-obs: 19:42:02.383100000
- date-end: 2022-05-03
- time-end: 21:57:36.376300000
- obs_id: A09_029T02_9000005106
- exposure: 2881.34721532
- sourceid: Vela -D IV
- observer: fsutaria
- ra_pnt: 135.0093
- dec_pnt: -45.23354
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A09_029T02_9000005106_35669cztM0_level2.evt
| modeM0/AS1A09_029T02_9000005106_35669cztM0_level2_quad_clean.evt
|
| Size (bytes) | 395,593,920 | 62,579,520 |
| Size | 377.3 MB
| 59.7 MB
|
| Events in quadrant A | 2,473,921 | 395,679 |
| Events in quadrant B | 2,887,116 | 401,079 |
| Events in quadrant C | 3,232,794 | 376,496 |
| Events in quadrant D | 3,047,332 | 371,534 |
Level1 data integrity
| 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 | 10553 | 3 |
| B | 0 | 11677 | 2 |
| C | 0 | 12710 | 2 |
| D | 0 | 12400 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 31 | 0 |
| B | 0 | 31 | 0 |
| C | 0 | 31 | 0 |
| D | 0 | 32 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 4987 | 9 | 0.180469% |
| B | 4987 | 118 | 2.366152% |
| C | 4987 | 266 | 5.333868% |
| D | 4987 | 153 | 3.067977% |
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 | 7079 | 4988 | 2 | 2 | 0.03% | 0.04% |  |
| B | 7079 | 4988 | 88 | 88 | 1.24% | 1.76% |  |
| C | 7079 | 4988 | 217 | 217 | 3.07% | 4.35% |  |
| D | 7079 | 4988 | 123 | 123 | 1.74% | 2.47% |  |
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 | 137208 | 1160.74 | 582 | 572 | 117.7 |
| A | 7 | 16 | 49795 | 418.16 | 582 | 572 | 117.7 |
| A | 15 | 169 | 20721 | 171.17 | 582 | 572 | 117.7 |
| B | 5 | 172 | 469263 | 4250.74 | 579 | 566 | 110.3 |
| B | 5 | 255 | 74592 | 671.36 | 579 | 566 | 110.3 |
| B | 5 | 200 | 29259 | 260.22 | 579 | 566 | 110.3 |
| C | 0 | 10 | 436616 | 3365.68 | 555 | 559 | 129.6 |
| C | 9 | 187 | 288191 | 2220.07 | 555 | 559 | 129.6 |
| C | 15 | 214 | 203881 | 1569.33 | 555 | 559 | 129.6 |
| D | 13 | 249 | 473506 | 3494.15 | 557 | 542 | 135.4 |
| D | 8 | 195 | 84733 | 621.98 | 557 | 542 | 135.4 |
| D | 2 | 249 | 83488 | 612.79 | 557 | 542 | 135.4 |
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 |  |