Observation information
- date-obs: 2024-05-24
- time-obs: 18:39:10.889200000
- date-end: 2024-05-24
- time-end: 20:56:54.875600000
- obs_id: A13_074T06_9000006270
- exposure: 5813.61902237
- sourceid: NGC2835
- observer: hhassani
- ra_pnt: 139.4705
- dec_pnt: -22.35467
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A13_074T06_9000006270_46810cztM0_level2.fits
| modeM0/AS1A13_074T06_9000006270_46810cztM0_level2_quad_clean.evt
|
| Size (bytes) | 450,123,840 | 102,706,560 |
| Size | 429.3 MB
| 97.9 MB
|
| Events in quadrant A | 6,159,102 | 680,880 |
| Events in quadrant B | 3,415,266 | 717,390 |
| Events in quadrant C | 2,995,326 | 674,207 |
| Events in quadrant D | 3,617,494 | 609,817 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 124 | 0 |
| B | 0 | 124 | 0 |
| C | 0 | 124 | 0 |
| D | 0 | 124 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 20 | 0 |
| B | 0 | 20 | 0 |
| C | 0 | 21 | 0 |
| D | 0 | 21 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 22226 | 2 |
| B | 0 | 14220 | 2 |
| C | 0 | 13303 | 2 |
| D | 0 | 15045 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6119 | 265 | 4.330773% |
| B | 6119 | 94 | 1.536199% |
| C | 6119 | 54 | 0.882497% |
| D | 6119 | 160 | 2.614806% |
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 | 7309 | 6120 | 97 | 97 | 1.33% | 1.58% |  |
| B | 7309 | 6120 | 37 | 37 | 0.51% | 0.60% |  |
| C | 7309 | 6120 | 35 | 35 | 0.48% | 0.57% |  |
| D | 7309 | 6120 | 81 | 81 | 1.11% | 1.32% |  |
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 | 3384858 | 23206.39 | 701 | 686 | 145.8 |
| A | 0 | 243 | 20250 | 134.16 | 701 | 686 | 145.8 |
| A | 13 | 6 | 16948 | 111.51 | 701 | 686 | 145.8 |
| B | 3 | 112 | 357085 | 2553.81 | 706 | 685 | 139.6 |
| B | 4 | 171 | 95625 | 680.3 | 706 | 685 | 139.6 |
| B | 15 | 36 | 66374 | 470.7 | 706 | 685 | 139.6 |
| C | 14 | 254 | 296112 | 1804.05 | 686 | 691 | 163.8 |
| C | 12 | 2 | 11479 | 65.88 | 686 | 691 | 163.8 |
| C | 3 | 233 | 10938 | 62.58 | 686 | 691 | 163.8 |
| D | 1 | 52 | 580965 | 3404.57 | 675 | 654 | 170.5 |
| D | 10 | 246 | 139316 | 813.5 | 675 | 654 | 170.5 |
| D | 13 | 249 | 112857 | 658.27 | 675 | 654 | 170.5 |
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 |  |