Observation information
- date-obs: 2025-10-04
- time-obs: 14:34:10.263700000
- date-end: 2025-10-04
- time-end: 16:34:50.248600000
- obs_id: C09_004T08_9000006514
- exposure: 5732.76009595
- 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_54199cztM0_level2.fits
| modeM0/AS1C09_004T08_9000006514_54199cztM0_level2_quad_clean.evt
|
| Size (bytes) | 530,824,320 | 81,699,840 |
| Size | 506.2 MB
| 77.9 MB
|
| Events in quadrant A | 4,574,437 | 525,804 |
| Events in quadrant B | 3,969,653 | 589,225 |
| Events in quadrant C | 4,789,128 | 472,137 |
| Events in quadrant D | 5,806,944 | 429,966 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 18083 | 6 |
| B | 0 | 16347 | 1 |
| C | 0 | 19073 | 1 |
| D | 0 | 21823 | 1 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 7 | 0 |
| B | 0 | 7 | 0 |
| C | 0 | 7 | 0 |
| D | 0 | 7 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 132 | 0 |
| B | 0 | 132 | 0 |
| C | 0 | 132 | 0 |
| D | 0 | 132 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6548 | 523 | 7.987172% |
| B | 6549 | 227 | 3.466178% |
| C | 6550 | 722 | 11.022901% |
| D | 6550 | 1111 | 16.961832% |
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 | 7514 | 6825 | 381 | 381 | 5.07% | 5.58% |  |
| B | 7514 | 6824 | 116 | 116 | 1.54% | 1.70% |  |
| C | 7515 | 6825 | 623 | 623 | 8.29% | 9.13% |  |
| D | 7514 | 6824 | 918 | 918 | 12.22% | 13.45% |  |
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 | 7 | 29 | 1016738 | 6079.34 | 670 | 653 | 167.1 |
| A | 15 | 174 | 348991 | 2084.14 | 670 | 653 | 167.1 |
| A | 12 | 115 | 244718 | 1460.27 | 670 | 653 | 167.1 |
| B | 5 | 236 | 290288 | 2011.62 | 679 | 656 | 144.0 |
| B | 4 | 171 | 243898 | 1689.42 | 679 | 656 | 144.0 |
| B | 15 | 20 | 179119 | 1239.5 | 679 | 656 | 144.0 |
| C | 15 | 215 | 1049261 | 5923.27 | 643 | 634 | 177.0 |
| C | 15 | 216 | 397477 | 2241.61 | 643 | 634 | 177.0 |
| C | 15 | 189 | 395381 | 2229.77 | 643 | 634 | 177.0 |
| D | 8 | 176 | 2646845 | 15548.43 | 601 | 574 | 170.2 |
| D | 3 | 12 | 251016 | 1471.5 | 601 | 574 | 170.2 |
| D | 4 | 7 | 172615 | 1010.84 | 601 | 574 | 170.2 |
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 |  |