Observation information
- date-obs: 2025-10-04
- time-obs: 19:25:52.225400000
- date-end: 2025-10-04
- time-end: 21:45:31.206900000
- obs_id: C09_004T08_9000006514
- exposure: 7990.90130854
- sourceid: Blank Sky-8
- observer: tilak
- ra_pnt: 237.3919
- dec_pnt: 70.34809
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1C09_004T08_9000006514_54202cztM0_level2.fits
| modeM0/AS1C09_004T08_9000006514_54202cztM0_level2_quad_clean.evt
|
| Size (bytes) | 551,413,440 | 120,199,680 |
| Size | 525.9 MB
| 114.6 MB
|
| Events in quadrant A | 4,235,443 | 795,516 |
| Events in quadrant B | 5,203,551 | 842,184 |
| Events in quadrant C | 4,934,100 | 724,593 |
| Events in quadrant D | 5,387,723 | 694,747 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 18639 | 0 |
| B | 0 | 21285 | 0 |
| C | 0 | 20988 | 0 |
| D | 0 | 21913 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 168 | 0 |
| B | 0 | 168 | 0 |
| C | 0 | 168 | 0 |
| D | 0 | 168 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 8379 | 98 | 1.169591% |
| B | 8380 | 336 | 4.009547% |
| C | 8380 | 339 | 4.045346% |
| D | 8380 | 243 | 2.899761% |
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 | 8379 | 8379 | 84 | 84 | 1.00% | 1.00% |  |
| B | 8380 | 8380 | 184 | 184 | 2.20% | 2.20% |  |
| C | 8380 | 8380 | 267 | 267 | 3.19% | 3.19% |  |
| D | 8380 | 8380 | 257 | 257 | 3.07% | 3.07% |  |
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 | 15 | 174 | 238135 | 1071.76 | 894 | 871 | 221.4 |
| A | 3 | 130 | 145776 | 654.56 | 894 | 871 | 221.4 |
| A | 7 | 29 | 79397 | 354.71 | 894 | 871 | 221.4 |
| B | 4 | 171 | 935678 | 4976.49 | 881 | 849 | 187.8 |
| B | 15 | 20 | 186729 | 989.52 | 881 | 849 | 187.8 |
| B | 0 | 213 | 144608 | 765.29 | 881 | 849 | 187.8 |
| C | 12 | 252 | 498144 | 2090.95 | 864 | 853 | 237.8 |
| C | 15 | 215 | 322799 | 1353.68 | 864 | 853 | 237.8 |
| C | 12 | 2 | 262428 | 1099.84 | 864 | 853 | 237.8 |
| D | 2 | 207 | 585755 | 2392.07 | 867 | 830 | 244.5 |
| D | 3 | 12 | 406079 | 1657.28 | 867 | 830 | 244.5 |
| D | 2 | 172 | 226903 | 924.53 | 867 | 830 | 244.5 |
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 |  |