Observation information
- date-obs: 2023-01-03
- time-obs: 00:21:55.712300000
- date-end: 2023-01-03
- time-end: 02:39:24.708900000
- obs_id: A12_025T12_9000005458
- exposure: 5150.06538934
- sourceid: NGC4459
- observer: rosolowsky
- ra_pnt: 187.25
- dec_pnt: 13.97837
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A12_025T12_9000005458_39285cztM0_level2.fits
| modeM0/AS1A12_025T12_9000005458_39285cztM0_level2_quad_clean.evt
|
| Size (bytes) | 370,031,040 | 97,159,680 |
| Size | 352.9 MB
| 92.7 MB
|
| Events in quadrant A | 3,129,962 | 664,652 |
| Events in quadrant B | 2,540,694 | 689,601 |
| Events in quadrant C | 2,729,292 | 646,245 |
| Events in quadrant D | 4,865,795 | 553,764 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 112 | 0 |
| B | 0 | 112 | 0 |
| C | 0 | 112 | 0 |
| D | 0 | 112 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 12621 | 3 |
| B | 0 | 11246 | 2 |
| C | 0 | 11441 | 2 |
| D | 0 | 18345 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 27 | 0 |
| B | 0 | 27 | 0 |
| C | 0 | 27 | 0 |
| D | 0 | 28 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 5545 | 22 | 0.396754% |
| B | 5545 | 13 | 0.234445% |
| C | 5545 | 5 | 0.090171% |
| D | 5545 | 443 | 7.989179% |
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 | 7398 | 5546 | 26 | 26 | 0.35% | 0.47% |  |
| B | 7398 | 5546 | 7 | 7 | 0.09% | 0.13% |  |
| C | 7398 | 5546 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7398 | 5546 | 371 | 371 | 5.01% | 6.69% |  |
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 | 431301 | 3360.71 | 633 | 622 | 128.2 |
| A | 15 | 222 | 227994 | 1774.25 | 633 | 622 | 128.2 |
| A | 3 | 1 | 15988 | 119.91 | 633 | 622 | 128.2 |
| B | 5 | 184 | 41048 | 334.5 | 633 | 617 | 120.9 |
| B | 12 | 111 | 15139 | 120.15 | 633 | 617 | 120.9 |
| B | 11 | 111 | 13887 | 109.79 | 633 | 617 | 120.9 |
| C | 15 | 214 | 237004 | 1640.71 | 619 | 624 | 144.1 |
| C | 9 | 187 | 69437 | 477.63 | 619 | 624 | 144.1 |
| C | 8 | 222 | 4300 | 25.52 | 619 | 624 | 144.1 |
| D | 12 | 235 | 2086073 | 14256.08 | 597 | 581 | 146.3 |
| D | 14 | 52 | 166308 | 1132.88 | 597 | 581 | 146.3 |
| D | 5 | 222 | 115089 | 782.76 | 597 | 581 | 146.3 |
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 |  |