Observation information
- date-obs: 2026-03-05
- time-obs: 20:56:35.880900000
- date-end: 2026-03-05
- time-end: 23:01:40.851200000
- obs_id: A14_060T01_9000006556
- exposure: 4113.91688758
- sourceid: NGC1437A
- observer: Mpati
- ra_pnt: 55.79948
- dec_pnt: -36.29873
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A14_060T01_9000006556_56462cztM0_level2.fits
| modeM0/AS1A14_060T01_9000006556_56462cztM0_level2_quad_clean.evt
|
| Size (bytes) | 746,498,880 | 79,850,880 |
| Size | 711.9 MB
| 76.2 MB
|
| Events in quadrant A | 6,778,398 | 514,648 |
| Events in quadrant B | 8,690,885 | 448,604 |
| Events in quadrant C | 4,058,401 | 578,340 |
| Events in quadrant D | 7,613,240 | 433,463 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 24459 | 2 |
| B | 0 | 30076 | 2 |
| C | 0 | 16594 | 2 |
| D | 0 | 26923 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 12 | 0 |
| B | 0 | 12 | 0 |
| C | 0 | 12 | 0 |
| D | 0 | 12 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 128 | 0 |
| B | 0 | 128 | 0 |
| C | 0 | 128 | 0 |
| D | 0 | 128 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6345 | 1284 | 20.236407% |
| B | 6345 | 2312 | 36.438140% |
| C | 6346 | 325 | 5.121336% |
| D | 6346 | 1576 | 24.834541% |
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 | 7505 | 6346 | 1253 | 1253 | 16.70% | 19.74% |  |
| B | 7505 | 6346 | 2087 | 2087 | 27.81% | 32.89% |  |
| C | 7506 | 6347 | 229 | 229 | 3.05% | 3.61% |  |
| D | 7506 | 6347 | 1502 | 1502 | 20.01% | 23.66% |  |
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 | 12 | 3 | 2924908 | 18843.19 | 625 | 611 | 155.2 |
| A | 4 | 95 | 637438 | 4103.5 | 625 | 611 | 155.2 |
| A | 12 | 194 | 386976 | 2489.61 | 625 | 611 | 155.2 |
| B | 5 | 172 | 6213188 | 51958.91 | 558 | 538 | 119.6 |
| B | 0 | 63 | 55687 | 461.23 | 558 | 538 | 119.6 |
| B | 7 | 252 | 37569 | 309.71 | 558 | 538 | 119.6 |
| C | 12 | 254 | 1032798 | 5657.9 | 656 | 653 | 182.4 |
| C | 12 | 249 | 158997 | 867.99 | 656 | 653 | 182.4 |
| C | 13 | 3 | 121515 | 662.53 | 656 | 653 | 182.4 |
| D | 12 | 4 | 4668968 | 29177.37 | 561 | 535 | 160.0 |
| D | 2 | 249 | 170433 | 1061.85 | 561 | 535 | 160.0 |
| D | 9 | 49 | 142419 | 886.76 | 561 | 535 | 160.0 |
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 |  |