Observation information
- date-obs: 2026-03-06
- time-obs: 01:44:48.836900000
- date-end: 2026-03-06
- time-end: 04:16:28.816200000
- obs_id: A14_060T01_9000006556
- exposure: 5260.65316069
- 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_56465cztM0_level2.fits
| modeM0/AS1A14_060T01_9000006556_56465cztM0_level2_quad_clean.evt
|
| Size (bytes) | 583,369,920 | 95,745,600 |
| Size | 556.3 MB
| 91.3 MB
|
| Events in quadrant A | 7,354,916 | 515,770 |
| Events in quadrant B | 3,456,515 | 721,387 |
| Events in quadrant C | 3,604,226 | 643,790 |
| Events in quadrant D | 6,637,291 | 532,457 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 26732 | 7 |
| B | 0 | 14981 | 2 |
| C | 0 | 15812 | 2 |
| D | 0 | 24449 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 21 | 0 |
| B | 0 | 21 | 0 |
| C | 0 | 21 | 0 |
| D | 0 | 21 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 144 | 0 |
| B | 0 | 144 | 0 |
| C | 0 | 144 | 0 |
| D | 0 | 144 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6970 | 1721 | 24.691535% |
| B | 6970 | 143 | 2.051650% |
| C | 6970 | 120 | 1.721664% |
| D | 6970 | 983 | 14.103300% |
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 | 9100 | 6972 | 1552 | 1552 | 17.05% | 22.26% |  |
| B | 9100 | 6972 | 6 | 6 | 0.07% | 0.09% |  |
| C | 9100 | 6972 | 46 | 46 | 0.51% | 0.66% |  |
| D | 9100 | 6972 | 834 | 834 | 9.16% | 11.96% |  |
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 | 4 | 95 | 3344266 | 19735.85 | 690 | 674 | 169.4 |
| A | 12 | 3 | 653664 | 3854.33 | 690 | 674 | 169.4 |
| A | 4 | 206 | 256743 | 1511.47 | 690 | 674 | 169.4 |
| B | 0 | 63 | 147153 | 894.24 | 773 | 745 | 163.7 |
| B | 5 | 172 | 80828 | 489.14 | 773 | 745 | 163.7 |
| B | 12 | 111 | 20288 | 119.36 | 773 | 745 | 163.7 |
| C | 15 | 230 | 212875 | 1014.17 | 766 | 761 | 209.2 |
| C | 13 | 3 | 195145 | 929.4 | 766 | 761 | 209.2 |
| C | 12 | 252 | 97954 | 464.7 | 766 | 761 | 209.2 |
| D | 12 | 4 | 2323368 | 11576.5 | 709 | 678 | 200.6 |
| D | 8 | 129 | 579687 | 2885.83 | 709 | 678 | 200.6 |
| D | 2 | 249 | 359795 | 1789.87 | 709 | 678 | 200.6 |
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 |  |